Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT Ref: 02-901-188098-12141-Revision 2 Page E.1 of E.425 CONSEQUENCE CALCULATIONS B.01a - GAS TANKER (RELEASE ON WATER) RELEASE Case description: B01a_TANK_G1_RELEASE Model: Liquefied Gas Bottom Discharge (TPDIS model) version: 5.06 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 2 and Modelling source terms for the atmospheric dispersion of hazardous substances, Jaakko Kukkonen Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR) Use which representative step First 20% average (flammable) Type of release Release through hole in vessel Pipeline length (m) Pipeline diameter (mm) Pipeline roughness (mm) Hole diameter (m) 53 Hole rounding Rounded edges Discharge coefficient (-) 1 Height difference between pipe entrance and exit (m) Height leak above tank bottom (m) 0 Initial temperature in vessel (°C) -161 Vessel volume (m3) 90000 Vessel type Vertical cylinder Height cylinder (m) 40 Filling degree (%) 90 Expansion type Adiabatic n value Pressure inside vessel determination Use actual pressure Initial (absolute) pressure in vessel (bar) 1,0543 Type of calculation Calculate until device is empty Time t after start release (s) Results Initial mass in vessel (kg) 3,4181E07 Initial (vapour) pressure in vessel (bar) 1,0543 Time needed to empty vessel (s) 2,3858 Massflowrate at end outflow (kg/s) 0 Total mass released (kg) 3,0878E07 Pressure in vessel at end outflow (bar) 1,0151 Temperature in vessel at end outflow (°C) -163,2 VapourMass fraction at end outflow (%) 100 Liquid mass in vessel at end outflow (kg) 3,1716E06 Vapour mass in vessel at end outflow (kg) 1,3126E05 Height of liquid at end outflow (m) 3,3164 Fillingdegree at end outflow (%) 8,2911 Exit pressure at end outflow (bar) 1,0151 Exit temperature at end outflow (°C) -163,2 Maximum mass flow rate (kg/s) 2,5049E07 Representative release rate (kg/s) 2,2856E07 Representative outflow duration (s) 1 Representative temperature (°C) -161,13 Representative pressure at exit (bar) 2,3393 Representative vapour mass fraction (%) 0 Other information Main program Effects 8.1.8.6673
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Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.1 of E.425
CONSEQUENCE CALCULATIONS B.01a - GAS TANKER (RELEASE ON WATER) RELEASE Case description: B01a_TANK_G1_RELEASE Model: Liquefied Gas Bottom Discharge (TPDIS model) version: 5.06 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 2 and Modelling source terms for the atmospheric dispersion of hazardous substances, Jaakko Kukkonen Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Use which representative step First 20% average (flammable)Type of release Release through hole in vesselPipeline length (m) Pipeline diameter (mm) Pipeline roughness (mm) Hole diameter (m) 53Hole rounding Rounded edgesDischarge coefficient (-) 1Height difference between pipe entrance and exit (m) Height leak above tank bottom (m) 0Initial temperature in vessel (°C) -161Vessel volume (m3) 90000Vessel type Vertical cylinderHeight cylinder (m) 40Filling degree (%) 90Expansion type Adiabaticn value Pressure inside vessel determination Use actual pressureInitial (absolute) pressure in vessel (bar) 1,0543Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 3,4181E07Initial (vapour) pressure in vessel (bar) 1,0543Time needed to empty vessel (s) 2,3858Massflowrate at end outflow (kg/s) 0Total mass released (kg) 3,0878E07Pressure in vessel at end outflow (bar) 1,0151Temperature in vessel at end outflow (°C) -163,2VapourMass fraction at end outflow (%) 100Liquid mass in vessel at end outflow (kg) 3,1716E06Vapour mass in vessel at end outflow (kg) 1,3126E05Height of liquid at end outflow (m) 3,3164Fillingdegree at end outflow (%) 8,2911Exit pressure at end outflow (bar) 1,0151Exit temperature at end outflow (°C) -163,2Maximum mass flow rate (kg/s) 2,5049E07Representative release rate (kg/s) 2,2856E07Representative outflow duration (s) 1Representative temperature (°C) -161,13Representative pressure at exit (bar) 2,3393Representative vapour mass fraction (%) 0 Other information Main program Effects 8.1.8.6673
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.2 of E.425
Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:20:35
VAPORISATION Case description: B01a_TANK_G1_FLASH (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE) Model: Liquefied Gas Spray Release version: 5.05 (25/07/2013) Reference: Yellow Book CPR14E, Page: 2.105 / 2.112, Section: 2.5.3.7 [Finite duration spray releases] / 2.5.3.8 [Instantaneous release of pressurised liquefied vapours] Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Mass flow rate of the source (kg/s) 2,2856E07Exit temperature (°C) -161,13Exit pressure (bar) 2,3393Exit vapour mass fraction (%) 0Hole diameter (mm) 53000Height leak above ground level (m) 1Ambient temperature (°C) 19Ambient relative humidity (%) 75
Results AFTER FLASHING AND RAINOUT: liquid mass fraction (%) 99,798Nett mass flow to air (jet) (kg/s) 2,2856E07Temperature jet/cloud (°C) -161,49Diameter jet/cloud (m) 52,017Nett mass flow rained out (kg/s) 0Temperature of the pool (°C) -161,49Density of the airborn mass (kg/m3) 284,73 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:21:18
POOL EVAPORATION Case description: B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE) Model: Pool evaporation version: 5.16 (25/06/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE) compared to: B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE) compared to: B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE) Parameters
Inputs B01a_TANK_G1_EVAP_D3 (linked to Liquefied
B01a_TANK_G1_EVAP_D9 (linked to Liquefied
B01a_TANK_G1_EVAP_E5 (linked to Liquefied
B01a_TANK_G1_EVAP_F2 (linked to Liquefied
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.3 of E.425
Spreading in bunds Spreading in bunds Spreading in bunds Spreading in bunds
Type of pool growth on Water
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
2206 2206 2206 2206
Temperature of the subsoil (°C)
19 19 19 19
Temperature of the water (°C)
Max temperature difference between pool and water (K)
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C)
19 19 19 19
Ambient relative humidity (%)
75 75 75 75
Solar User defined User defined User defined User defined
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.4 of E.425
radiation flux Solar heat radiation flux (W/m2)
100 100 100 100
Cloud cover (%)
Date: day number
Date: month number
Date: year number
Latitude of the location (deg)
Type of subsoil
Heavy concrete Heavy concrete Heavy concrete Heavy concrete
Subsoil roughness description
flat sandy soil, concrete, tiles, plant-yard
flat sandy soil, concrete, tiles, plant-yard
flat sandy soil, concrete, tiles, plant-yard
flat sandy soil, concrete, tiles, plant-yard
Maximum evaluation time for evaporation (s)
1800 1800 1800 1800
Results
B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)
B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)
B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)
B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s)
Time until pool has totally evaporated (s)
Purple book representative evaporation rate (kg/s)
118,62 116,07 99,648 133,75
Purple book representative evaporation duration (s)
757,41 1565,7 1219,4 561,47
Representative temperature (°C)
-161,49 -161,49 -161,49 -161,49
Representative pool diameter (m)
52,998 52,998 52,998 52,998
Density after mixing with
1,5452 1,3829 1,4419 1,6208
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.5 of E.425
air (kg/m3) Total evaporated mass (kg)
89846 1,8173E05 1,2151E05 75096
... duration evaporation time (s)
1799,5 1799,5 1799,5 1799,5
Corresponding representative pool surface area (m2)
2206 2206 2206 2206
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:24:09
ATMOSPHERIC DISPERSION Case description: B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE)) compared to: B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE)) compared to: B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE)) Parameters
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
3,0878E07 3,0878E07 3,0878E07 3,0878E07
Mass flow rate of the source (kg/s)
118,62 116,07 99,648 133,75
Duration of the release (s)
757,41 1565,7 1219,4 561,47
Initial liquid mass
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.6 of E.425
fraction (%) Fixed pool surface (m2)
2206 2206 2206 2206
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
High crops; scattered large objects, 15 < x/h <
20.
High crops; scattered large objects, 15 < x/h <
20.
High crops; scattered large objects, 15 < x/h <
20.
High crops; scattered large objects, 15 < x/h <
20.Time t after start release (s)
1800 1800 1800 1800
Concentration averaging
20 20 20 20
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.7 of E.425
time (s) Resolution of the time consuming graphs
Low Low Low Low
Results
B01a_TANK_G1_DISPERSION D3 (linked to
Pool evaporation -TANK_G1_EVAP_D3
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION D9 (linked to
Pool evaporation -TANK_G1_EVAP_D9
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION E5 (linked to Pool
evaporation -TANK_G1_EVAP_E5
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION F2 (linked to Pool
evaporation -TANK_G1_EVAP_F2
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G1_RELEASE))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
5155 0 2985,6 3,2752E05
...at time tmem (s)
100 2000 1200 700
Start time where 95% of maximum of explosive mass is reached (s)
90,355 0 95 693,35
Time where explosive mass starts decreasing below 95% of max (s)
757,41 2000 1219,4 731,73
Length of cloud (between LEL) at time tmem (m)
275,68 0 269,9 1841
Width of 73,367 0 71,114 1974,9
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.8 of E.425
cloud (between LEL) at time tmem (m) Offset between release location and LEL at time tmem (m)
-30,456 0 -29,729 71,699
Maximum area of explosive cloud (m2)
15595 0 14130 6,7748E05
...at time tmac (s)
757,41 1565,7 1219,4 700
Explosive mass at time tmac (kg)
5155 0 2985,6 3,2752E05
Length of cloud (between LEL) at time tmac (m)
275,9 0 269,9 1841
Width of cloud (between LEL) at time tmac (m)
73,352 0 71,114 1974,9
Offset between release location and LEL at time tmac (m)
-30,456 0 -29,729 71,699
Offset between release centre and cloud centre at time tmac (m)
107,49 0 105,22 992,22
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,012352 0,048833
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:15:29
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.9 of E.425
EXPLOSION Case description: B01a_TANK_G1_D3_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (25/07/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01a_TANK_G1_D9_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: TANK_G1_E5_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE))) compared to: TANK_G1_F2_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G1_RELEASE))) Parameters
Inputs
TANK_G1_D3_UVCE (linked to Dense Gas Dispersion: Explosive
mass -B01a_TANK_G1_DISPE
RSION D3 (linked to Pool evaporation -
TANK_G1_EVAP_D3 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
TANK_G1_RELEASE)))
TANK_G1_D9_UVCE (linked to Dense Gas Dispersion: Explosive
mass - B01a_TANK_G1_DISPE
RSION D9 (linked to Pool evaporation -
TANK_G1_EVAP_D9 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
TANK_G1_RELEASE)))
TANK_G1_E5_UVCE (linked to Dense Gas Dispersion: Explosive
mass -B01a_TANK_G1_DISPERSION E5 (linked to Pool
evaporation -TANK_G1_EVAP_E5
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G1_RELEASE)))
TANK_G1_F2_UVCE (linked to Dense Gas Dispersion: Explosive
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
No damage or very minor damage
Not habitable without major repair works.
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Not habitable without major repair works.
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
Minor damage. Comparable to a damage
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed
walls and doors; failure of joints. Doors and
window frames have failed. Wall covering has fallen down (15
kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
No damage or very minor damage
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Collapse of steel frames and
displacement of foundation (20 kPa). Industrial steel self-
framing structure collapsed (20-30 kPa). Cracking in empty oil-
storage tanks (20-30 kPa). Slight
deformation of a pipe-bridge (20-30 kPa).
Large trees have fallen down (20-40 kPa). Walls
made of concrete blocks have collapsed (15-20). Minor damage
to steel frames (8-10 kPa). Connections
between steel or aluminium ondulated
plates have failed 7-14 kPa). The roof of a
storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:19:15
POOL FIRE Case description: B01a_TANK_G1_PFIRE D3 Model: Pool fire version: 5.11 (25/07/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.12 of E.425
compared to: B01a_TANK_G1_PFIRE D9 compared to: B01a_TANK_G1_PFIRE E5 compared to: B01a_TANK_G1_PFIRE F2 Parameters
Heat radiation level (lowest) for first contour plot (kW/m2)
6,8 6,8 6,8 6,8
Heat radiation level for second contour plot (kW/m2)
9,23 9,23 9,23 9,23
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results B01a_TANK_G1_PFIRE
D3B01a_TANK_G1_PFIRE
D9 B01a_TANK_G1_PFIRE
E5B01a_TANK_G1_PFIRE
F2Max Diameter of the Pool Fire (m)
52,998 52,998 52,998 52,998
Heat radiation at X (kW/m2)
0,024267 0,016833 0,020802 0,026237
Heat radiation first contour at (m)
102,57 99,201 102,58 99,747
Heat radiation 91,122 90,931 92,641 87,758
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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second contour at (m) Heat radiation third contour at (m)
77,746 81,665 81,169 73,724
Combustion rate (kg/s)
172,07 172,07 172,07 172,07
Duration of the pool fire (s)
1,7945E05 1,7945E05 1,7945E05 1,7945E05
Heat emission from fire surface (kW/m2)
67,437 77,051 71,399 67,437
Flame tilt (deg)
40,884 56,324 48,526 34,492
View factor (%)
0,078803 0,046687 0,063139 0,085203
Atmospheric transmissivity (%)
45,663 46,794 46,143 45,663
Flame temperature (°C)
772,73 807,96 787,68 772,73
Height of the Flame (m)
57,115 46,034 52,082 57,115
Calculated pool surface area (m2)
2206 2206 2206 2206
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:28:47
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.15 of E.425
B.01b - GAS TANKER (RELEASE ON WATER) RELEASE Case description: TANK_G2_RELEASE Model: Liquefied Gas Bottom Discharge (TPDIS model) version: 5.06 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 2 and Modelling source terms for the atmospheric dispersion of hazardous substances, Jaakko Kukkonen Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Use which representative step First 20% average (flammable)Type of release Release through hole in vesselPipeline length (m) Pipeline diameter (mm) Pipeline roughness (mm) Hole diameter (mm) 1000Hole rounding Rounded edgesDischarge coefficient (-) 1Height difference between pipe entrance and exit (m) Height leak above tank bottom (m) 0Initial temperature in vessel (°C) -161Vessel volume (m3) 90000Vessel type Vertical cylinderHeight cylinder (m) 40Filling degree (%) 90Expansion type Adiabaticn value Pressure inside vessel determination Use vapour pressureInitial (absolute) pressure in vessel (bar) 1,0543Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 3,4181E07Initial (vapour) pressure in vessel (bar) 1,0543Time needed to empty vessel (s) 6661,7Massflowrate at end outflow (kg/s) 0Total mass released (kg) 3,0818E07Pressure in vessel at end outflow (bar) 1,0151Temperature in vessel at end outflow (°C) -163,24VapourMass fraction at end outflow (%) 100Liquid mass in vessel at end outflow (kg) 3,2321E06Vapour mass in vessel at end outflow (kg) 1,3066E05Height of liquid at end outflow (m) 3,3792Fillingdegree at end outflow (%) 8,4481Exit pressure at end outflow (bar) 1,0151Exit temperature at end outflow (°C) -163,24Maximum mass flow rate (kg/s) 8917,5Representative release rate (kg/s) 8363,6Representative outflow duration (s) 1800Representative temperature (°C) -161,06Representative pressure at exit (bar) 2,4169Representative vapour mass fraction (%) 0 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:20:55
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.16 of E.425
VAPORISATION Case description: B01b_TANK_G2_FLASH (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE) Model: Liquefied Gas Spray Release version: 5.05 (25/07/2013) Reference: Yellow Book CPR14E, Page: 2.105 / 2.112, Section: 2.5.3.7 [Finite duration spray releases] / 2.5.3.8 [Instantaneous release of pressurised liquefied vapours] Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Mass flow rate of the source (kg/s) 8363,6Exit temperature (°C) -161,06Exit pressure (bar) 2,4169Exit vapour mass fraction (%) 0Hole diameter (mm) 1000Height leak above ground level (m) 1Ambient temperature (°C) 19Ambient relative humidity (%) 75
Results AFTER FLASHING AND RAINOUT: liquid mass fraction (%) 99,75Nett mass flow to air (jet) (kg/s) 8363,6Temperature jet/cloud (°C) -161,49Diameter jet/cloud (m) 1,0178Nett mass flow rained out (kg/s) 0Temperature of the pool (°C) -161,49Density of the airborn mass (kg/m3) 264,08 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:21:36
POOL EVAPORATION Case description: B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) Model: Pool evaporation version: 5.16 (25/07/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) compared to: B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) compared to: B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) Parameters
Inputs
B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) - B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.17 of E.425
Use which representative step
First 20% average (flammable)
First 20% average (flammable)
First 20% average (flammable)
First 20% average (flammable)
Evaporation from land or water
Land Land Land Land
Type of release
Continuous Continuous Continuous Continuous
Mass flow rate of the source (kg/s)
8363,6 8363,6 8363,6 8363,6
Duration of the release (s)
1800 1800 1800 1800
Total mass released (kg)
3,0818E07 3,0818E07 3,0818E07 3,0818E07
Height pool at t=0
Value pool height at t=0 (m)
Type of pool growth on Land
Spreading in bunds Spreading in bunds Spreading in bunds Spreading in bunds
Type of pool growth on Water
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
2206 2206 2206 2206
Temperature of the subsoil (°C)
19 19 19 19
Temperature of the water (°C)
Max temperature difference between pool and water (K)
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C)
19 19 19 19
Ambient relative humidity (%)
75 75 75 75
Solar radiation flux
User defined User defined User defined User defined
Solar heat radiation flux (W/m2)
100 100 100 100
Cloud cover
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.18 of E.425
(%) Date: day number
Date: month number
Date: year number
Latitude of the location (deg)
Type of subsoil
Heavy concrete Heavy concrete Heavy concrete Heavy concrete
Subsoil roughness description
flat sandy soil, concrete, tiles, plant-yard
flat sandy soil, concrete, tiles, plant-yard
flat sandy soil, concrete, tiles, plant-yard
flat sandy soil, concrete, tiles, plant-yard
Maximum evaluation time for evaporation (s)
1800 1800 1800 1800
Results
B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) - B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s)
18 18 18 18
Time until pool has totally evaporated (s)
Purple book representative evaporation rate (kg/s)
88,095 103,06 81,915 94,007
Purple book representative evaporation duration (s)
977,36 1674,9 1424,1 761,46
Representative temperature (°C)
-161,49 -161,49 -161,49 -161,49
Representative pool diameter (m)
30,775 33,756 28,917 32,451
Density after mixing with air (kg/m3)
1,5817 1,4272 1,5033 1,6388
Total evaporated
86100 1,7262E05 1,1666E05 71583
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.19 of E.425
mass (kg) ... duration evaporation time (s)
1799,5 1799,5 1799,5 1799,5
Corresponding representative pool surface area (m2)
743,84 894,91 656,72 827,07
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:25:27
ATMOSPHERIC DISPERSION Case description: B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/07/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE)) compared to: B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE)) compared to: B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE)) Parameters
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
3,0818E07 3,0818E07 3,0818E07 3,0818E07
Mass flow rate of the source (kg/s)
88,095 103,06 81,915 94,007
Duration of the release (s)
977,36 1674,9 1424,1 761,46
Initial liquid mass fraction (%)
Fixed pool surface
743,84 894,91 656,72 827,07
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.20 of E.425
(m2) Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
High crops; scattered large objects, 15 < x/h <
20.
High crops; scattered large objects, 15 < x/h <
20.
High crops; scattered large objects, 15 < x/h <
20.
High crops; scattered large objects, 15 < x/h <
20.Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time
Low Low Low Low
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.21 of E.425
consuming graphs
Results
B01b_TANK_G2_DISPERSION D3 (linked to
Pool evaporation -TANK_G2_EVAP_D3
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION D9 (linked to
Pool evaporation -TANK_G2_EVAP_D9
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION E5 (linked to Pool
evaporation -TANK_G2_EVAP_E5
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION F2 (linked to Pool
evaporation -TANK_G2_EVAP_F2
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G2_RELEASE))
Explosive mass at time t (kg)
0 72,098 0 0
Height to LEL at time t (m)
0 4 0 0
Length of cloud (between LEL) at time t (m)
0 18,719 0 0
Width of cloud (between LEL) at time t (m)
0 40,156 0 0
Offset between release location and LEL at time t (m)
0 -18,587 0 0
Maximum explosive mass (kg)
5250,3 698,1 2295,8 8,3549E05
...at time tmem (s)
800 500 1400 800
Start time where 95% of maximum of explosive mass is reached (s)
97,97 95 95 794,96
Time where explosive mass starts decreasing below 95% of max (s)
977,36 1674,9 1424,1 805
Length of cloud (between LEL) at time tmem (m)
322,09 122,76 113,38 2306,5
Width of cloud (between LEL) at
49,314 42,957 46,598 1582,6
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.22 of E.425
time tmem (m) Offset between release location and LEL at time tmem (m)
-18,379 -18,587 -17,229 -23,107
Maximum area of explosive cloud (m2)
11264 3958,2 4759,4 1,3723E06
...at time tmac (s)
977,36 1674,9 1424,1 800
Explosive mass at time tmac (kg)
5250,3 698,1 2295,8 8,3549E05
Length of cloud (between LEL) at time tmac (m)
322,09 18,719 113,38 2306,5
Width of cloud (between LEL) at time tmac (m)
49,314 40,156 46,598 1582,6
Offset between release location and LEL at time tmac (m)
-18,379 -18,587 -17,229 -23,107
Offset between release centre and cloud centre at time tmac (m)
142,67 -9,2275 39,459 1130,1
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,012352 0,048833
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:17:17
EXPLOSION
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.23 of E.425
Case description: TANK_G2_D3_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (25/07/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: TANK_G2_D9_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE))) compared to: TANK_G2_E5_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE))) compared to: TANK_G2_F2_UVCE (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - TANK_G2_RELEASE))) Parameters
Inputs
TANK_G2_D3_UVCE (linked to Dense Gas Dispersion: Explosive
mass -B01b_TANK_G2_DISPE
RSION D3 (linked to Pool evaporation -
TANK_G2_EVAP_D3 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
TANK_G2_RELEASE)))
TANK_G2_D9_UVCE (linked to Dense Gas Dispersion: Explosive
mass - B01b_TANK_G2_DISPE
RSION D9 (linked to Pool evaporation -
TANK_G2_EVAP_D9 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
TANK_G2_RELEASE)))
TANK_G2_E5_UVCE (linked to Dense Gas Dispersion: Explosive
mass -B01b_TANK_G2_DISPERSION E5 (linked to Pool
evaporation -TANK_G2_EVAP_E5
(linked to Liquefied Gas Bottom Discharge
(TPDIS model) -TANK_G2_RELEASE)))
TANK_G2_F2_UVCE (linked to Dense Gas Dispersion: Explosive
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.25 of E.425
description) at Xd
Damage to brick houses at Xd
Not habitable without major repair works.
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Not habitable without major repair works.
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed
walls and doors; failure of joints. Doors and
window frames have failed. Wall covering has fallen down (15
kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Collapse of steel frames and
displacement of foundation (20 kPa). Industrial steel self-
framing structure collapsed (20-30 kPa). Cracking in empty oil-
storage tanks (20-30 kPa). Slight
deformation of a pipe-bridge (20-30 kPa).
Large trees have fallen down (20-40 kPa). Walls
made of concrete blocks have collapsed (15-20). Minor damage
to steel frames (8-10 kPa). Connections
between steel or aluminium ondulated
plates have failed 7-14 kPa). The roof of a
storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:20:03
POOL FIRE Case description: B01b_TANK_G2_PFIRE D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) Model: Pool fire version: 5.11 (25/07/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B01b_TANK_G2_PFIRE D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.26 of E.425
compared to: B01b_TANK_G2_PFIRE E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) compared to: B01b_TANK_G2_PFIRE F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) Parameters
Inputs
B01b_TANK_G2_PFIRE D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_PFIRE D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) - B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_PFIRE E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_PFIRE F2 (linked to Liquefied Gas Bottom Discharge
Heat radiation level (lowest) for first contour plot (kW/m2)
6,8 6,8 6,8 6,8
Heat radiation level for second contour plot (kW/m2)
9,23 9,23 9,23 9,23
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results
B01b_TANK_G2_PFIRE D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_PFIRE D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) - B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_PFIRE E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)
B01b_TANK_G2_PFIRE F2 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_RELE
ASE)Max Diameter of the Pool Fire (m)
112,84 112,84 112,84 112,84
Heat radiation at X (kW/m2)
0,11465 0,083056 0,10169 0,12194
Heat radiation first contourat (m)
198,96 193,87 200,39 195,03
Heat radiation second contour at (m)
177,63 177,35 181,02 172,64
Heat radiation third contour at (m)
153,44 159,19 159,19 147,33
Combustion rate
780 780 780 780
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.29 of E.425
(kg/s) Duration of the pool fire (s)
39511 39511 39511 39511
Heat emission from fire surface (kW/m2)
78,846 87,066 80,77 78,846
Flame tilt (deg)
37,614 53,697 45,489 31,201
View factor (%)
0,30773 0,19824 0,26527 0,32729
Atmospheric transmissivity (%)
47,253 48,121 47,462 47,253
Flame temperature (°C)
814,17 841,32 820,71 814,17
Height of the Flame (m)
94,407 80,225 90,764 94,407
Calculated pool surface area (m2)
10000 10000 10000 10000
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:28:01
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.30 of E.425
B.02a – GAS TANKER TO FSU UNLOADING ARM - LNG (RELEASE ON WATER) POOL EVAPORATION Case description: B02A_HARDARM_L1_L_EVAPORATION D3 Model: Pool evaporation version: 5.16 (25/06/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B02A_HARDARM_L1_L_EVAPORATION D9 compared to: B02A_HARDARM_L1_L_EVAPORATION E5 compared to: HB02A_ARDARM_L1_L_EVAPORATION F2 Parameters
Confined water surface Confined water surface Confined water surface Confined water surface
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
10000 10000 10000 10000
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.31 of E.425
Temperature of the subsoil (°C)
Temperature of the water (°C)
19 19 19 19
Max temperature difference between pool and water (K)
500 500 500 500
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C)
19 19 19 19
Ambient relative humidity (%)
75 75 75 75
Solar radiation flux
User defined User defined User defined User defined
Solar heat radiation flux (W/m2)
100 100 100 100
Cloud cover (%)
Date: day number
Date: month number
Date: year number
Latitude of the location (deg)
Type of subsoil
Subsoil roughness description
Maximum evaluatio
1800 1800 1800 1800
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.32 of E.425
n time for evaporation (s)
Results
B02A_HARDARM_L1_L_EVAPORATION D3
B02A_HARDARM_L1_L_EVAPORATION D9
B02A_HARDARM_L1_L_EVAPORATION E5
HB02A_ARDARM_L1_L_EVAPORATION F2
Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s)
54,5 54,5 54,5 54,5
Time until pool has totally evaporated (s)
250,5 250,5 250,5 250,5
Purple book representative evaporation rate (kg/s)
1022,1 1022,1 1022,1 1022,1
Purple book representative evaporation duration (s)
165,32 165,32 165,32 165,32
Representative temperature (°C)
-161,49 -161,49 -161,49 -161,49
Representative pool diameter (m)
112,84 112,84 112,84 112,84
Density after mixing with air (kg/m3)
1,7168 1,5894 1,6659 1,7468
Total evaporated mass (kg)
1,6897E05 1,6897E05 1,6897E05 1,6897E05
... duration evaporation time (s)
250,5 250,5 250,5 250,5
Corresponding represen
10000 10000 10000 10000
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.33 of E.425
tative pool surface area (m2) Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:32:26
ATMOSPHERIC DISPERSION Case description: B02A_HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - B02A_HARDARM_L1_L_EVAPORATION D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B02A_HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - B02A_HARDARM_L1_L_EVAPORATION D9) compared to: B02A_HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - B02A_HARDARM_L1_L_EVAPORATION E5) compared to: B02A_HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HB02A_ARDARM_L1_L_EVAPORATION F2) Parameters
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
Mass flow rate of the source (kg/s)
1022,1 1022,1 1022,1 1022,1
Duration of the release (s)
165,32 165,32 165,32 165,32
Initial liquid mass fraction (%)
Fixed pool surface (m2)
10000 10000 10000 10000
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.34 of E.425
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length descripti
Cultivated land Cultivated land Cultivated land Cultivated land
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.35 of E.425
on Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B02A_HARDARM_L1_L_DISPERSION D3 (linked
to Pool evaporation -B02A_HARDARM_L1_L_
EVAPORATION D3)
B02A_HARDARM_L1_L_DISPERSION D9 (linked
to Pool evaporation -B02A_HARDARM_L1_L_
EVAPORATION D9)
B02A_HARDARM_L1_L_DISPERSION E5 (linked
to Pool evaporation -B02A_HARDARM_L1_L_
EVAPORATION E5)
B02A_HARDARM_L1_L_DISPERSION F2 (linked
to Pool evaporation -HB02A_ARDARM_L1_L_
EVAPORATION F2)Explosive mass at time t (kg)
89932 20467 54341 94021
Height to LEL at time t (m)
41,2 14,8 46,9 10,5
Length of cloud (between LEL) at time t (m)
332 451,86 262,22 427,26
Width of cloud (between LEL) at time t (m)
178,32 146,06 181,66 292,22
Offset between release location and LEL at time t (m)
-67,623 -63,147 -67,576 -127,38
Maximum explosive mass (kg)
1,1043E05 20467 94059 1,3065E05
...at time tmem (s)
175 150 175 175
Start time where 95% of maximum of
143,95 44,841 172,04 -1E100
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.36 of E.425
explosive mass is reached (s) Time where explosive mass starts decreasing below 95% of max (s)
180,54 165,32 179,2 165,32
Length of cloud (between LEL) at time tmem (m)
522,64 451,86 958,87 526,18
Width of cloud (between LEL) at time tmem (m)
160,43 146,06 320,41 339,57
Offset between release location and LEL at time tmem (m)
1,121 -63,147 -40,879 -119,73
Maximum area of explosive cloud (m2)
56523 49218 1,0773E05 1,4939E05
...at time tmac (s)
175 165,32 225 175
Explosive mass at time tmac (kg)
1,1043E05 20467 27525 1,3065E05
Length of cloud (between LEL) at time tmac (m)
522,64 451,86 383,05 526,18
Width of cloud (between LEL) at time tmac (m)
160,43 146,06 373,76 339,57
Offset between
1,121 -63,147 758,01 -119,73
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.37 of E.425
release location and LEL at time tmac (m) Offset between release centre and cloud centre at time tmac (m)
262,44 162,78 949,54 143,36
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:31:32
EXPLOSION Case description: B02A_HARDARM_L1_L_UVCE D3 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02A_HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - B02A_HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (25/07/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B02A_HARDARM_L1_L_UVCE D9 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02A_HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - B02A_HARDARM_L1_L_EVAPORATION D9)) compared to: B02A_HARDARM_L1_L_UVCE E5 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02A_HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - B02A_HARDARM_L1_L_EVAPORATION E5)) compared to: B02A_HARDARM_L1_L_UVCE F2 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02A_HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HB02A_ARDARM_L1_L_EVAPORATION F2)) Parameters
Inputs
B02A_HARDARM_L1_L_UVCE D3 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02A_HARDARM_L1_L_DISPERSION D3 (linked
to Pool evaporation -B02A_HARDARM_L1_L_
EVAPORATION D3))
B02A_HARDARM_L1_L_UVCE D9 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02A_HARDARM_L1_L_DISPERSION D9 (linked
to Pool evaporation -B02A_HARDARM_L1_L_
EVAPORATION D9))
B02A_HARDARM_L1_L_UVCE E5 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02A_HARDARM_L1_L_DISPERSION E5 (linked
to Pool evaporation -B02A_HARDARM_L1_L_
EVAPORATION E5))
B02A_HARDARM_L1_L_UVCE F2 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02A_HARDARM_L1_L_DISPERSION F2 (linked
roof failures, 25% of all brick walls have failed, serious damage to the
Not habitable without major repair works. Partial
roof failures, 25% of all brick walls have failed, serious damage to the
Not habitable without major repair works. Partial
roof failures, 25% of all brick walls have failed, serious damage to the
Not habitable without major repair works. Partial
roof failures, 25% of all brick walls have failed, serious damage to the
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.40 of E.425
remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls
and doors; failure of joints. Doors and window frames have failed. Wall
covering has fallen down (15 kPa).
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls
and doors; failure ofjoints. Doors and window frames have failed. Wall
covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed
(15-20). Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed
(15-20). Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:32:03
POOL FIRE Case description: B02A_HARDARM_L1_L_PFIRE D3 Model: Pool fire version: 5.11 (27/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B02A_HARDARM_L1_L_PFIRE D9 compared to: B02A_HARDARM_L1_L_PFIRE E5 compared to: B02A_HARDARM_L1_L_PFIRE F2 Parameters
Heat radiation level (lowest) for first contour plot (kW/m2)
6,8 6,8 6,8 6,8
Heat radiation level for second contour plot (kW/m2)
9,23 9,23 9,23 9,23
Heat radiation level (highest)
13,4 13,4 13,4 13,4
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.43 of E.425
for third contour plot (kW/m2) Percentage of mortality for contour calculations (%)
Results B02A_HARDARM_L1_L
_PFIRE D3B02A_HARDARM_L1_L
_PFIRE D9B02A_HARDARM_L1_L
_PFIRE E5B02A_HARDARM_L1_L
_PFIRE F2Max Diameter of the Pool Fire (m)
115,17 115,17 115,17 115,17
Heat radiation at X (kW/m2)
0,11963 0,086781 0,10622 0,12717
Heat radiation first contour at (m)
202,57 197,46 204,02 198,57
Heat radiation second contour at (m)
180,87 180,56 184,31 175,8
Heat radiation third contour at (m)
156,24 162,09 162,11 150,11
Combustion rate (kg/s)
812,54 812,54 812,54 812,54
Duration of the pool fire (s)
207,79 207,79 207,79 207,79
Heat emission from fire surface (kW/m2)
79,178 87,351 81,038 79,178
Flame tilt (deg)
37,525 53,623 45,405 31,113
View factor (%)
0,31943 0,20629 0,27595 0,33956
Atmospheric transmissivity (%)
47,299 48,16 47,501 47,299
Flame temperature (°C)
815,31 842,23 821,61 815,31
Height of the Flame (m)
95,698 81,439 92,138 95,698
Calculated pool surface
10417 10417 10417 10417
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.44 of E.425
area (m2) Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:33:08
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.45 of E.425
B.02b– GAS TANKER TO FSU UNLOADING ARM - LNG (RELEASE ON WATER) POOL EVAPORATION Case description: B02B_HARDARM_L2_L_EVAPORATION D3 Model: Pool evaporation version: 5.16 (25/06/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B02B_HARDARM_L2_L_EVAPORATION D9 compared to: B02B_HARDARM_L2_L_EVAPORATION E5 compared to: B02B_HARDARM_L2_L_EVAPORATION F2 Parameters
Confined water surface Confined water surface Confined water surface Confined water surface
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
1364 1364 1364 1364
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.46 of E.425
Temperature of the subsoil (°C)
Temperature of the water (°C)
19 19 19 19
Max temperature difference between pool and water (K)
500 500 500 500
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C)
19 19 19 19
Ambient relative humidity (%)
75 75 75 75
Solar radiation flux
User defined User defined User defined User defined
Solar heat radiation flux (W/m2)
100 100 100 100
Cloud cover (%)
Date: day number
Date: month number
Date: year number
Latitude of the location (deg)
Type of subsoil
Subsoil roughness description
Maximum evaluatio
1800 1800 1800 1800
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.47 of E.425
n time for evaporation (s)
Results
B02B_HARDARM_L2_L_EVAPORATION D3
B02B_HARDARM_L2_L_EVAPORATION D9
B02B_HARDARM_L2_L_EVAPORATION E5
B02B_HARDARM_L2_L_EVAPORATION F2
Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s)
35,5 35,5 35,5 35,5
Time until pool has totally evaporated (s)
65,5 65,5 65,5 65,5
Purple book representative evaporation rate (kg/s)
276,1 276,1 276,1 276,1
Purple book representative evaporation duration (s)
41,024 41,024 41,024 41,024
Representative temperature (°C)
-161,49 -161,49 -161,49 -161,49
Representative pool diameter (m)
30,215 30,215 30,215 30,215
Density after mixing with air (kg/m3)
1,7175 1,5907 1,6669 1,7473
Total evaporated mass (kg)
11327 11327 11327 11327
... duration evaporation time (s)
65,5 65,5 65,5 65,5
Corresponding represen
717,01 717,01 717,01 717,01
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.48 of E.425
tative pool surface area (m2) Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:37:28
ATMOSPHERIC DISPERSION Case description: B02B_HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/07/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B02B_HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION D9) compared to: B02B_HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION E5) compared to: B02B_HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION F2) Parameters
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
Mass flow rate of the source (kg/s)
276,1 276,1 276,1 276,1
Duration of the release (s)
41,024 41,024 41,024 41,024
Initial liquid mass fraction (%)
Fixed pool surface (m2)
717,01 717,01 717,01 717,01
Diamete
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.49 of E.425
r of expanded jet (m) Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.50 of E.425
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B02B_HARDARM_L2_L_DISPERSION D3 (linked
to Pool evaporation -B02B_HARDARM_L2_L_
EVAPORATION D3)
B02B_HARDARM_L2_L_DISPERSION D9 (linked
to Pool evaporation -B02B_HARDARM_L2_L_
EVAPORATION D9)
B02B_HARDARM_L2_L_DISPERSION E5 (linked
to Pool evaporation -B02B_HARDARM_L2_L_
EVAPORATION E5)
B02B_HARDARM_L2_L_DISPERSION F2 (linked
to Pool evaporation -B02B_HARDARM_L2_L_
EVAPORATION F2)Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
9394,5 6486,1 8413,1 8961,6
...at time tmem (s)
45 45 40 60
Start time where 95% of maximum of explosiv
42,158 43,098 36,939 -1E100
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.51 of E.425
e mass is reached (s) Time where explosive mass starts decreasing below 95% of max (s)
48,219 45,364 45,219 41,024
Length of cloud (between LEL) at time tmem (m)
88,49 323,78 114,97 171,61
Width of cloud (between LEL) at time tmem (m)
109,21 46,432 81,54 126,01
Offset between release location and LEL at time tmem (m)
-10,125 -12,639 -18,568 -57,713
Maximum area of explosive cloud (m2)
7485,8 12769 7738,4 18153
...at time tmac (s)
45 45 41,024 60
Explosive mass at time tmac (kg)
9394,5 6486,1 8413,1 8961,6
Length of cloud (between LEL) at time tmac (m)
88,49 323,78 114,97 171,61
Width of cloud (between LEL) at time tmac (m)
109,21 46,432 81,54 126,01
Offset between release
-10,125 -12,639 -18,568 -57,713
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.52 of E.425
location and LEL at time tmac (m) Offset between release centre and cloud centre at time tmac (m)
34,12 149,25 38,915 28,09
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:36:29
EXPLOSION Case description: B02B_HARDARM_L2_L_UVCE D3 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02B_HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (25/07/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B02B_HARDARM_L2_L_UVCE D9 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02B_HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION D9)) compared to: B02B_HARDARM_L2_L_UVCE E5 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02B_HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION E5)) compared to: B02B_HARDARM_L2_L_UVCE F2 LC1 (linked to Dense Gas Dispersion: Explosive mass - B02B_HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - B02B_HARDARM_L2_L_EVAPORATION F2)) Parameters
Inputs
B02B_HARDARM_L2_L_UVCE D3 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02B_HARDARM_L2_L_DISPERSION D3 (linked
to Pool evaporation -B02B_HARDARM_L2_L_
EVAPORATION D3))
B02B_HARDARM_L2_L_UVCE D9 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02B_HARDARM_L2_L_DISPERSION D9 (linked
to Pool evaporation -B02B_HARDARM_L2_L_
EVAPORATION D9))
B02B_HARDARM_L2_L_UVCE E5 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02B_HARDARM_L2_L_DISPERSION E5 (linked
to Pool evaporation -B02B_HARDARM_L2_L_
EVAPORATION E5))
B02B_HARDARM_L2_L_UVCE F2 LC1 (linked to Dense Gas Dispersion:
Explosive mass -B02B_HARDARM_L2_L_DISPERSION F2 (linked
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.55 of E.425
typical American-style houses at Xd
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:37:08
POOL FIRE Case description: B02B_HARDARM_L2_L_PFIRE D3 Model: Pool fire version: 5.11 (27/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B02B_HARDARM_L2_L_PFIRE D9 compared to: B02B_HARDARM_L2_L_PFIRE E5 compared to: B02B_HARDARM_L2_L_PFIRE F2 Parameters
Heat radiation level (lowest) for first contour plot (kW/m2)
6,8 6,8 6,8 6,8
Heat radiation level for second contour plot (kW/m2)
9,23 9,23 9,23 9,23
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculation
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.58 of E.425
s (%)
Results
B02B_HARDARM_L2_L_PFIRE D3
B02B_HARDARM_L2_L_PFIRE D9
B02B_HARDARM_L2_L_PFIRE E5
B02B_HARDARM_L2_L_PFIRE F2
Max Diameter of the Pool Fire (m)
36,073 36,073 36,073 36,073
Heat radiation at X (kW/m2)
0,0075699 0,0075699 0,0093922 0,012103
Heat radiation first contour at (m)
70,774 70,774 73,027 71,004
Heat radiation second contour at (m)
64,958 64,958 65,985 62,112
Heat radiation third contour at (m)
58,268 58,268 57,668 51,717
Combustion rate (kg/s)
79,715 79,715 79,715 79,715
Duration of the pool fire (s)
141,5 141,5 141,5 141,5
Heat emission from fire surface (kW/m2)
72,354 72,354 67,033 62,271
Flame tilt (deg)
57,602 57,602 50,022 36,175
View factor (%)
0,022654 0,022654 0,030767 0,043259
Atmospheric transmissivity (%)
46,183 46,183 45,54 44,931
Flame temperature (°C)
791,19 791,19 771,17 752,23
Height of the Flame (m)
34,696 34,696 39,254 44,222
Calculated pool surface area (m2)
1022 1022 1022 1022
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.59 of E.425
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:35:47
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.60 of E.425
B.03a– FSU UNLOADING ARM - LNG (RELEASE ON WATER) POOL EVAPORATION Case description: B03a EVAP D3 Model: Pool evaporation version: 5.16 (25/07/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B03a EVAP D9 compared to: B03a EVAP E5 compared to: B03a EVAP F2 Parameters Inputs B03a EVAP D3 B03a EVAP D9 B03a EVAP E5 B03a EVAP F2Chemical name (DIPPR) METHANE (DIPPR)METHANE (DIPPR)METHANE (DIPPR)METHANE (DIPPR)
Use which representative step First 20% average
(flammable)First 20% average
(flammable)First 20% average
(flammable)First 20% average
(flammable)Evaporation from land or water Water Water Water WaterType of release Continuous Continuous Continuous ContinuousMass flow rate of the source (kg/s)
353 353 353 353
Duration of the release (s) 120 120 120 120Total mass released (kg) Height pool at t=0 Value pool height at t=0 (m) Type of pool growth on Land
Type of pool growth on Water Confined water
surfaceConfined water
surfaceConfined water
surfaceConfined water
surfaceTemperature of the pool (°C) -161,15 -161,15 -161,15 -161,15Maximum pool surface area (m2)
10000 10000 10000 10000
Temperature of the subsoil (°C) Temperature of the water (°C) 14,4 14,4 14,4 14,4Max temperature difference between pool and water (K)
500 500 500 500
Wind speed at 10 m height (m/s) 3 9 5 2Ambient temperature (°C) 14,4 14,4 14,4 14,4Ambient relative humidity (%) 77 77 77 77Solar radiation flux User defined User defined User defined User definedSolar heat radiation flux (W/m2) 100 100 100 100Cloud cover (%) Date: day number Date: month number Date: year number Latitude of the location (deg) Type of subsoil Subsoil roughness description Maximum evaluation time for evaporation (s)
1800 1800 1800 1800
Results B03a EVAP D3 B03a EVAP D9 B03a EVAP E5 B03a EVAP F2Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s) 84 84 84 84Time until pool has totally evaporated (s)
84 84 84 84
Purple book representative evaporation rate (kg/s)
774,5 774,5 774,5 774,5
Purple book representative evaporation duration (s)
54,938 54,938 54,938 54,938
Representative temperature (°C) -161,49 -161,49 -161,49 -161,49Representative pool diameter (m)
105,61 105,61 105,61 105,61
Density after mixing with air (kg/m3)
1,7001 1,5649 1,6444 1,734
Total evaporated mass (kg) 42550 42550 42550 42550
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.61 of E.425
... duration evaporation time (s) 84 84 84 84Corresponding representative pool surface area (m2)
8759,1 8759,1 8759,1 8759,1
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:43:34
ATMOSPHERIC DISPERSION Case description: HARDARM_L1_L_DISPERSION D3 REV (linked to Pool evaporation - Case description: B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/07/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9) compared to: B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5) compared to: B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2) Parameters
releaseTotal mass released (kg) Mass flow rate of the source (kg/s)
774,5 774,5 774,5 774,5
Duration of the release (s)
54,938 54,938 54,938 54,938
Initial liquid mass fraction (%)
Fixed pool surface (m2) 8759,1 8759,1 8759,1 8759,1Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data Pasquill Pasquill Pasquill PasquillPasquill stability class D (Neutral) D (Neutral) E (Stable) F (Very Stable)Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction User defined User defined User defined User definedWind comes from (North = 0 degrees) (deg)
270 270 270 270
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Regular large obstacle coverage
Regular large obstacle coverage
Regular large obstacle coverage
Regular large obstacle coverage
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.62 of E.425
(suburb or forest). (suburb or forest). (suburb or forest). (suburb or forest).Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results B03a DISP D3 (linked to Pool evaporation -
B03a EVAP D3)
B03a DISP D9 (linked to Pool evaporation -
B03a EVAP D9)
B03a DISP E5 (linked to Pool evaporation -
B03a EVAP E5)
B03a DISP F2 (linked to Pool evaporation -
B03a EVAP F2)Explosive mass at time t (kg)
7228,8 0 0 28734
Height to LEL at time t (m)
21,7 0 0 27
Length of cloud (between LEL) at time t (m)
208,55 0 0 302,55
Width of cloud (between LEL) at time t (m)
85,284 0 0 91,93
Offset between release location and LEL at time t (m)
234,22 0 0 13,807
Maximum explosive mass (kg)
24411 8987,6 29489 32372
...at time tmem (s) 50 30 60 75Start time where 95% of maximum of explosive mass is reached (s)
-1E100 24,509 50,255 -1E100
Time where explosive mass starts decreasing below 95% of max (s)
54,938 54,938 61,44 54,938
Length of cloud (between LEL) at time tmem (m)
235,09 293,33 183,64 242,62
Width of cloud (between LEL) at time tmem (m)
150,49 121,52 162,02 108,9
Offset between release location and LEL at time tmem (m)
-17,351 -55,127 -11,818 -40,724
Maximum area of explosive cloud (m2)
29801 28143 31642 52817
...at time tmac (s) 50 54,938 54,938 300Explosive mass at time tmac (kg)
24411 8985,2 27975 8896,7
Length of cloud (between LEL) at time tmac (m)
235,09 296,96 218,62 392,69
Width of cloud (between LEL) at time tmac (m)
150,49 121,03 160,9 169,42
Offset between release location and LEL at time tmac (m)
-17,351 -55,127 -61,747 318,66
Offset between release centre and cloud centre at time tmac (m)
100,19 93,352 47,564 515,01
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,0081 0,0385
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:40:22
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.63 of E.425
EXPLOSION Case description: B03a UVCE D3 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3)) Model: Explosion (Multi Energy model) version: 5.03 (25/07/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B03a UVCE D9 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9)) compared to: B03a UVCE E5 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)) compared to: B03a UVCE F2 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2)) Parameters
Inputs
B03a UVCE D3 (linked to Dense Gas Dispersion: Explosive mass - B03a
DISP D3 (linked to Pool evaporation - B03a EVAP
D3))
B03a UVCE D9 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9
(linked to Pool evaporation - B03a
EVAP D9))
B03a UVCE E5 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool
evaporation - B03a EVAP E5))
B03a UVCE F2 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2
kPa). Slight deformation of a pipe-bridge (20-30 kPa).
Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel
Walls made of concrete blocks
have collapsed (15-20). Minor damage
to steel frames (8-10 kPa). Connections
between steel or aluminium
ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.65 of E.425
frames (8-10 kPa). Connections between steel
or aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has collapsed (7 kPa).
frames (8-10 kPa). Connections between steel
or aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:42:11
POOL FIRE Case description: B03a PFIRE D3 Model: Pool fire version: 5.11 (25/07/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B03a PFIRE D9 compared to: B03a PFIRE E5 compared to: B03a PFIRE F2 Parameters Inputs B03a PFIRE D3 B03a PFIRE D9 B03a PFIRE E5 B03a PFIRE F2
Chemical name (DIPPR) METHANE
(DIPPR)METHANE
(DIPPR)METHANE
(DIPPR)METHANE
(DIPPR)Pool size determination Confined Confined Confined ConfinedTotal mass released (kg) 42630 42630 42630 42630Mass flow rate of the source (kg/s) Duration of the release (s) Pool surface poolfire (m2) 10000 10000 10000 10000Height of the observer position above ground level (m)
0 0 0 0
Height of the confined pool above ground level (m)
0 0 0 0
Hole diameter (mm) Discharge coefficient (-) Initial height of the liquid above release point (m)
Cross-sectional area of the tank (m2) Pool thickness (mm) Temperature of the pool (°C) -161,15 -161,15 -161,15 -161,15Pool burning rate Calculate/Default Calculate/Default Calculate/Default Calculate/DefaultValue of pool burning rate (kg/m2*s) Fraction combustion heat radiated (%) 35 35 35 35Soot Fraction Calculate/Default Calculate/Default Calculate/Default Calculate/DefaultValue of soot fraction (-) Wind speed at 10 m height (m/s) 3 9 5 2Ambient temperature (°C) 19 19 19 19Ambient relative humidity (%) 75 75 75 75Amount of CO2 in atmosphere (%) 0,03 0,03 0,03 0,03Distance from the centre of the pool (m)
1000 1000 1000 1000
Exposure duration to heat radiation (s) 20 20 20 20Take protective effects of clothing into account
No No No No
X-coordinate of release (m) 0 0 0 0Y-coordinate of release (m) 0 0 0 0Predefined wind direction User defined User defined User defined User definedWind comes from (North = 0 degrees) 270 270 270 270
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.66 of E.425
(deg) Calculate all contours for Physical effects Physical effects Physical effects Physical effectsHeat radiation level (lowest) for first contour plot (kW/m2)
6,8 6,8 6,8 6,8
Heat radiation level for second contour plot (kW/m2)
9,23 9,23 9,23 9,23
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results B03a PFIRE D3 B03a PFIRE D9 B03a PFIRE E5 B03a PFIRE F2Max Diameter of the Pool Fire (m) 112,84 112,84 112,84 112,84Heat radiation at X (kW/m2) 0,11465 0,083056 0,10169 0,12194Heat radiation first contour at (m) 198,96 193,87 200,39 195,03Heat radiation second contour at (m) 177,63 177,35 181,02 172,64Heat radiation third contour at (m) 153,44 159,19 159,19 147,33Combustion rate (kg/s) 780 780 780 780Duration of the pool fire (s) 54,654 54,654 54,654 54,654Heat emission from fire surface (kW/m2)
78,846 87,066 80,77 78,846
Flame tilt (deg) 37,614 53,697 45,489 31,201View factor (%) 0,30773 0,19824 0,26527 0,32729Atmospheric transmissivity (%) 47,253 48,121 47,462 47,253Flame temperature (°C) 814,17 841,32 820,71 814,17Height of the Flame (m) 94,407 80,225 90,764 94,407Calculated pool surface area (m2) 10000 10000 10000 10000Weight ratio of HCL/chemical (%) 0 0 0 0Weight ratio of NO2/chemical (%) 0 0 0 0Weight ratio of SO2/chemical (%) 0 0 0 0Weight ratio of CO2/chemical (%) 274,4 274,4 274,4 274,4Weight ratio of H2O/chemical (%) 224,69 224,69 224,69 224,69 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:46:09
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.67 of E.425
B.03b– FSU UNLOADING AR, - LNG (RELEASE ON WATER) POOL EVAPORATION Case description: B03b EVAP D3 Model: Pool evaporation version: 5.16 (25/07/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B03b EVAP D9 compared to: B03b EVAP E5 compared to: B03b EVAP F2 Parameters Inputs B03b EVAP D3 B03b EVAP D9 B03b EVAP E5 B03b EVAP F2Chemical name (DIPPR) METHANE (DIPPR)METHANE (DIPPR)METHANE (DIPPR)METHANE (DIPPR)
Use which representative step First 20% average
(flammable)First 20% average
(flammable)First 20% average
(flammable)First 20% average
(flammable)Evaporation from land or water Water Water Water WaterType of release Continuous Continuous Continuous ContinuousMass flow rate of the source (kg/s)
2,18 2,18 2,18 2,18
Duration of the release (s) 120 120 120 120Total mass released (kg) Height pool at t=0 Value pool height at t=0 (m) Type of pool growth on Land
Type of pool growth on Water Confined water
surfaceConfined water
surfaceConfined water
surfaceConfined water
surfaceTemperature of the pool (°C) -161,15 -161,15 -161,15 -161,15Maximum pool surface area (m2)
62 62 62 62
Temperature of the subsoil (°C) Temperature of the water (°C) 14,4 14,4 14,4 14,4Max temperature difference between pool and water (K)
500 500 500 500
Wind speed at 10 m height (m/s) 3 9 5 2Ambient temperature (°C) 14,4 14,4 14,4 14,4Ambient relative humidity (%) 77 77 77 77Solar radiation flux User defined User defined User defined User definedSolar heat radiation flux (W/m2) 100 100 100 100Cloud cover (%) Date: day number Date: month number Date: year number Latitude of the location (deg) Type of subsoil Subsoil roughness description Maximum evaluation time for evaporation (s)
1800 1800 1800 1800
Results B03b EVAP D3 B03b EVAP D9 B03b EVAP E5 B03b EVAP F2Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s) 16 16 16 16Time until pool has totally evaporated (s)
19 19 19 19
Purple book representative evaporation rate (kg/s)
36,671 36,671 36,671 36,671
Purple book representative evaporation duration (s)
7,2048 7,2048 7,2048 7,2048
Representative temperature (°C) -161,49 -161,49 -161,49 -161,49Representative pool diameter (m)
8,8849 8,8849 8,8849 8,8849
Density after mixing with air (kg/m3)
1,6365 1,4807 1,5668 1,6833
Total evaporated mass (kg) 264,2 264,2 264,2 264,2
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.68 of E.425
... duration evaporation time (s) 19 19 19 19Corresponding representative pool surface area (m2)
62 62 62 62
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
DISPERSION Case description: B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/07/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9) compared to: B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5) compared to: B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2) Parameters
releaseTotal mass released (kg) Mass flow rate of the source (kg/s)
36,671 36,671 36,671 36,671
Duration of the release (s)
7,2048 7,2048 7,2048 7,2048
Initial liquid mass fraction (%)
Fixed pool surface (m2) 62 62 62 62Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
14,4 14,4 14,4 14,4
Meteorological data Pasquill Pasquill Pasquill PasquillPasquill stability class D (Neutral) D (Neutral) E (Stable) F (Very Stable)Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction User defined User defined User defined User definedWind comes from (North = 0 degrees) (deg)
270 270 270 270
Ambient relative humidity (%)
77 77 77 77
Roughness length description
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.69 of E.425
Resolution of the time consuming graphs
Low Low Low Low
Results B03b DISP D3 (linked to Pool evaporation -
B03b EVAP D3)
B03b DISP D9 (linked to Pool evaporation -
B03b EVAP D9)
B03b DISP E5 (linked to Pool evaporation -
B03b EVAP E5)
B03b DISP F2 (linked to Pool evaporation -
B03b EVAP F2)Explosive mass at time t (kg)
0 0 0 -1E100
Height to LEL at time t (m)
0 0 0 -1E100
Length of cloud (between LEL) at time t (m)
0 0 0 -1E100
Width of cloud (between LEL) at time t (m)
0 0 0 -1E100
Offset between release location and LEL at time t (m)
0 0 0 -1E100
Maximum explosive mass (kg)
196,31 180,62 194,24 -1E100
...at time tmem (s) 7,5 7 7,5 -1E100Start time where 95% of maximum of explosive mass is reached (s)
-1E100 6,4346 -1E100 -1E100
Time where explosive mass starts decreasing below 95% of max (s)
7,2048 8,2784 7,2048 -1E100
Length of cloud (between LEL) at time tmem (m)
27,474 34,656 33,691 -1E100
Width of cloud (between LEL) at time tmem (m)
14,767 14,82 14,773 -1E100
Offset between release location and LEL at time tmem (m)
-6,6877 -5,2709 -5,6714 -1E100
Maximum area of explosive cloud (m2)
401,46 495,91 478,28 -1E100
...at time tmac (s) 15 8 12,5 -1E100Explosive mass at time tmac (kg)
152,77 179,75 151,83 0
Length of cloud (between LEL) at time tmac (m)
36,114 38,845 43,125 -1E100
Width of cloud (between LEL) at time tmac (m)
13,786 15,198 13,769 -1E100
Offset between release location and LEL at time tmac (m)
1,9316 -1,695 2,7495 -1E100
Offset between release centre and cloud centre at time tmac (m)
19,989 17,728 24,312 -1,5E100
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,0081 0
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:41:22
EXPLOSION Case description: B03b UVCE D3 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.70 of E.425
Model: Explosion (Multi Energy model) version: 5.03 (25/07/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B03b UVCE D9 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9)) compared to: B03b UVCE E5 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5)) compared to: B03b UVCE F2 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2)) Parameters
Curve number 5 (Medium deflagration)5 (Medium deflagration)5 (Medium deflagration) 5 (Medium deflagration)Distance from release (Xd) (m)
50 50 50 50
Offset between release point and cloud centre (m)
19,989 17,728 24,312 -1,5E100
Threshold overpressure (mbar)
100 100 100 100
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
User defined User defined User defined User defined
Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Results
B03b UVCE D3 (linked to Dense Gas
Dispersion: Explosive mass - B03b DISP D3
(linked to Pool evaporation - B03b
EVAP D3))
B03b UVCE D9 (linked to Dense Gas
Dispersion: Explosive mass - B03b DISP D9
(linked to Pool evaporation - B03b
EVAP D9))
B03b UVCE E5 (linked to Dense Gas
Dispersion: Explosive mass - B03b DISP E5
(linked to Pool evaporation - B03b
EVAP E5))
B03b UVCE F2 (linked to Dense Gas
Dispersion: Explosive mass - B03b DISP F2
(linked to Pool evaporation - B03b
EVAP F2))Confined mass in explosive range (kg)
12,222 14,38 12,147 0
Total combustion energy (MJ)
611,48 719,46 607,7 -1E94
Peak overpressure at Xd (mbar)
44,536 47,613 44,432 -1E98
Peak dynamic pressure at Xd
1,2367 1,4296 1,2296 -1E98
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.71 of E.425
(mbar) Pressure impulse at Xd (Pa*s)
85,25 96,169 84,877 -1E100
Positive phase duration at Xd (ms)
38,284 40,396 38,206 -1E103
Dist. from center mass of cloud at threshold overpressure (m)
22,202 23,439 22,156 -1E100
Blast-wave shape at Xd
Pressure wave Pressure wave Pressure wave *** NOT INITIALIZED
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
Damage to brick houses at Xd
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Habitable afterrelatively easy repairs.
Minor structural damage (3 kPa).
No damage or very minor damage
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:42:53
POOL FIRE Case description: B03b PFIRE D3 Model: Pool fire version: 5.11 (25/07/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B03b PFIRE D9 compared to: B03b PFIRE E5 compared to: B03b PFIRE F2 Parameters Inputs B03b PFIRE D3 B03b PFIRE D9 B03b PFIRE E5 B03b PFIRE F2
Chemical name (DIPPR) METHANE
(DIPPR)METHANE
(DIPPR)METHANE
(DIPPR)METHANE
(DIPPR)Pool size determination Confined Confined Confined ConfinedTotal mass released (kg) 261,6 261,6 261,6 261,6Mass flow rate of the source (kg/s) Duration of the release (s) Pool surface poolfire (m2) 62 62 62 62Height of the observer position above ground level (m)
0 0 0 0
Height of the confined pool above ground level (m)
0 0 0 0
Hole diameter (mm) Discharge coefficient (-) Initial height of the liquid above release point (m)
Cross-sectional area of the tank (m2) Pool thickness (mm)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.72 of E.425
Temperature of the pool (°C) -161,15 -161,15 -161,15 -161,15Pool burning rate Calculate/Default Calculate/Default Calculate/Default Calculate/DefaultValue of pool burning rate (kg/m2*s) Fraction combustion heat radiated (%) 35 35 35 35Soot Fraction Calculate/Default Calculate/Default Calculate/Default Calculate/DefaultValue of soot fraction (-) Wind speed at 10 m height (m/s) 3 9 5 2Ambient temperature (°C) 19 19 19 19Ambient relative humidity (%) 75 75 75 75Amount of CO2 in atmosphere (%) 0,03 0,03 0,03 0,03Distance from the centre of the pool (m)
1000 1000 1000 1000
Exposure duration to heat radiation (s) 20 20 20 20Take protective effects of clothing into account
No No No No
X-coordinate of release (m) 0 0 0 0Y-coordinate of release (m) 0 0 0 0Predefined wind direction User defined User defined User defined User definedWind comes from (North = 0 degrees) (deg)
270 270 270 270
Calculate all contours for Physical effects Physical effects Physical effects Physical effectsHeat radiation level (lowest) for first contour plot (kW/m2)
6,8 6,8 6,8 6,8
Heat radiation level for second contour plot (kW/m2)
9,23 9,23 9,23 9,23
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results B03b PFIRE D3 B03b PFIRE D9 B03b PFIRE E5 B03b PFIRE F2Max Diameter of the Pool Fire (m) 8,8849 8,8849 8,8849 8,8849Heat radiation at X (kW/m2) 0,0006517 0,00042763 0,00053985 0,00074604Heat radiation first contour at (m) 21,649 21,422 21,932 20,839Heat radiation second contour at (m) 18,814 19,233 19,345 17,859Heat radiation third contour at (m) 15,53 17,552 16,941 13,998Combustion rate (kg/s) 4,836 4,836 4,836 4,836Duration of the pool fire (s) 54,094 54,094 54,094 54,094Heat emission from fire surface (kW/m2)
50,042 57,532 53,369 47,584
Flame tilt (deg) 48,267 61,915 55,145 42,233View factor (%) 0,003 0,0016828 0,0023132 0,0036322Atmospheric transmissivity (%) 43,41 44,17 43,728 43,165Flame temperature (°C) 698,08 732,27 713,71 686,03Height of the Flame (m) 15,603 12,388 14,016 16,99Calculated pool surface area (m2) 62 62 62 62Weight ratio of HCL/chemical (%) 0 0 0 0Weight ratio of NO2/chemical (%) 0 0 0 0Weight ratio of SO2/chemical (%) 0 0 0 0Weight ratio of CO2/chemical (%) 274,4 274,4 274,4 274,4Weight ratio of H2O/chemical (%) 224,69 224,69 224,69 224,69 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:47:00
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.73 of E.425
B.04a GAS TANKER UNLOADING ARM - GAS RETURN TO GAS TANKER JET FIRE Case description: B04a_D3 Model: Gas Jet Fire (Chamberlain model) version: 5.12 (25/07/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B04a_D9 compared to: B04a_E5 compared to: B04a_F2 Parameters Inputs B04a_D3 B04a_D9 B04a_E5 B04a_F2Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Outflow angle in XZ plane (0°=horizontal; 90°=vertical) (deg)
45 45 45 45
Release height (Stack height) (m)
1 1 1 1
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C) 19 19 19 19Ambient relative humidity (%)
75 75 75 75
Flame temperature (°C) 926,85 926,85 926,85 926,85Amount of CO2 in atmosphere (%)
0,03 0,03 0,03 0,03
Percentage of the flame covered by soot (%)
0 0 0 0
Distance from release (Xd) (m)
100 100 100 100
X-coordinate of release (m) 0 0 0 0Y-coordinate of release (m) 0 0 0 0Predefined wind direction User defined User defined User defined User definedWind comes from (North = 0 degrees) (deg)
270 270 270 270
Results B04a_D3 B04a_D9 B04a_E5 B04a_F2Initial source strength (kg/s) 3,3751 3,3751 3,3751 3,3751Type of flow of the jet Unchoked flow Unchoked flow Unchoked flow Unchoked flowExit velocity of expanding jet (m/s)
28,824 28,824 28,824 28,824
Angle between hole and flame axis (alpha) (deg)
0 16,056 1,5266 0
Frustum lift off height (b) (m) 6,21 0,37833 0,55996 6,939Width of frustum base (W1) (m)
3,0683 1,256 2,203 3,6564
Width of frustum tip (W2) (m)
13,905 10,274 12,028 15,024
Length of frustum (flame) (Rl) (m)
24,84 23,948 26,409 27,756
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.74 of E.425
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:11:10
DISPERSION Case description: B04a_DISP D3 (linked to Gas Jet Fire (Chamberlain model) - B04a_D3) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (25/07/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B04a_DISP D9 (linked to Gas Jet Fire (Chamberlain model) - B04a_D9) compared to: B04a_DISP E5 (linked to Gas Jet Fire (Chamberlain model) - B04a_E5) compared to: B04a_DISP F2 (linked to Gas Jet Fire (Chamberlain model) - B04a_F2) Parameters
Type of release Continuous Continuous Continuous ContinuousTotal mass released (kg)
Mass flow rate of the source (kg/s)
3,3751 3,3751 3,3751 3,3751
Duration of the release (s)
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
0 0 0 0
Length source in wind (x) direction (m)
0 0 0 0
Length source in crosswind (y) direction (m)
0 0 0 0
Length source in vertical (z) direction (m)
0 0 0 0
Ambient temperature 19 19 19 19
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.75 of E.425
(°C) Meteorological data Pasquill Pasquill Pasquill PasquillPasquill stability class D (Neutral) D (Neutral) E (Stable) F (Very Stable)Wind speed at 10 m height (m/s)
3 9 5 2
Latitude of the location (deg)
51 51 51 51
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m) Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
Regular large obstacle coverage (suburb or
forest).
Regular large obstacle coverage (suburb or
forest).
Regular large obstacle coverage (suburb or
forest).
Regular large obstacle coverage (suburb or
forest).Predefined wind direction
User defined User defined User defined User defined
Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Time t after start release (s)
Concentration averaging time (s)
20 20 20 20
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Results
B04a_DISP D3 (linked to Gas Jet Fire
(Chamberlain model) -B04a_D3)
B04a_DISP D9 (linked to Gas Jet Fire
(Chamberlain model) - B04a_D9)
B04a_DISP E5 (linked to Gas Jet Fire
(Chamberlain model) -B04a_E5)
B04a_DISP F2 (linked to Gas Jet Fire
(Chamberlain model) -B04a_F2)
Total explosive mass (kg)
28,278 4,6123 18,915 156,73
Height to LEL (m) 5,6 3,6 4,1 5,3Length of cloud (between LEL) (m)
43,9 21,44 49,14 165,58
Width of cloud (between LEL) (m)
3,2411 1,6943 2,6787 5,202
Offset between release location and LEL (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
114,16 29,442 105,01 675,41
Explosive mass at time tmac (kg)
28,278 4,6123 18,915 156,73
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,0083197 0,050692
Mixing height used (m)
500 500 361,02 70,689
Stand. dev. of turbulent velocity in vert. direction used (m/s)
1,0135 3,0406 1,455 0,3399
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.76 of E.425
Stand. dev. of turbulent velocity in horiz. direction used (m/s)
0,69649 2,0895 0,99553 0,23256
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:12:53
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.77 of E.425
B.04b– GAS TANKER UNLOADING ARM - GAS RETURN TO GAS TANKER JET FIRE Case description: B04b_D3 Model: Gas Jet Fire (Chamberlain model) version: 5.12 (25/07/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B04b_D9 compared to: B04b_E5 compared to: B04b_F2 Parameters Inputs B04b_D3 B04b_D9 B04b_E5 B04b_F2Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Outflow angle in XZ plane (0°=horizontal; 90°=vertical) (deg)
45 45 45 45
Release height (Stack height) (m)
1 1 1 1
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C) 19 19 19 19Ambient relative humidity (%)
75 75 75 75
Flame temperature (°C) 926,85 926,85 926,85 926,85Amount of CO2 in atmosphere (%)
0,03 0,03 0,03 0,03
Percentage of the flame covered by soot (%)
0 0 0 0
Distance from release (Xd) (m)
100 100 100 100
X-coordinate of release (m) 0 0 0 0Y-coordinate of release (m) 0 0 0 0Predefined wind direction User defined User defined User defined User definedWind comes from (North = 0 degrees) (deg)
270 270 270 270
Results B04b_D3 B04b_D9 B04b_E5 B04b_F2Initial source strength (kg/s) 0,031678 0,031678 0,031678 0,031678Type of flow of the jet Unchoked flow Unchoked flow Unchoked flow Unchoked flowExit velocity of expanding jet (m/s)
43,589 43,589 43,589 43,589
Angle between hole and flame axis (alpha) (deg)
13,762 45,337 24,724 7,0413
Frustum lift off height (b) (m) 0,26012 0,06538 0,12592 0,41578Width of frustum base (W1) (m)
0,28874 0,14976 0,22924 0,32522
Width of frustum tip (W2) (m)
1,8063 1,4413 1,6291 1,8973
Length of frustum (flame) (Rl) (m)
3,9221 3,2229 3,5117 4,2524
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.78 of E.425
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:11:40
DISPERSION Case description: B04b_DISP D3 (linked to Gas Jet Fire (Chamberlain model) - B04b_D3) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (25/07/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B04b_DISP D9 (linked to Gas Jet Fire (Chamberlain model) - B04b_D9) compared to: B04b_DISP E5 (linked to Gas Jet Fire (Chamberlain model) - B04b_E5) compared to: B04b_DISP F2 (linked to Gas Jet Fire (Chamberlain model) - B04b_F2) Parameters
Type of release Continuous Continuous Continuous ContinuousTotal mass released (kg)
Mass flow rate of the source (kg/s)
0,031678 0,031678 0,031678 0,031678
Duration of the release (s)
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
0 0 0 0
Length source in wind (x) direction (m)
0 0 0 0
Length source in crosswind (y) direction (m)
0 0 0 0
Length source in vertical (z) direction (m)
0 0 0 0
Ambient temperature (°C)
19 19 19 19
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.79 of E.425
Meteorological data Pasquill Pasquill Pasquill PasquillPasquill stability class D (Neutral) D (Neutral) E (Stable) F (Very Stable)Wind speed at 10 m height (m/s)
3 9 5 2
Latitude of the location (deg)
51 51 51 51
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m) Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
Regular large obstacle coverage (suburb or
forest).
Regular large obstacle coverage (suburb or
forest).
Regular large obstacle coverage (suburb or
forest).
Regular large obstacle coverage (suburb or
forest).Predefined wind direction
User defined User defined User defined User defined
Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Time t after start release (s)
Concentration averaging time (s)
20 20 20 20
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Results
B04b_DISP D3 (linked to Gas Jet Fire
(Chamberlain model) -B04b_D3)
B04b_DISP D9 (linked to Gas Jet Fire
(Chamberlain model) - B04b_D9)
B04b_DISP E5 (linked to Gas Jet Fire
(Chamberlain model) -B04b_E5)
B04b_DISP F2 (linked to Gas Jet Fire
(Chamberlain model) -B04b_F2)
Total explosive mass (kg)
0,010994 0,0015793 0,0068689 0,056588
Height to LEL (m) 0,9 0,6 0,7 1Length of cloud (between LEL) (m)
1,8925 0,85125 1,9875 6,44
Width of cloud (between LEL) (m)
0,1924 0,09623 0,15108 0,28035
Offset between release location and LEL (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
0,30859 0,070441 0,254 1,4962
Explosive mass at time tmac (kg)
0,010994 0,0015793 0,0068689 0,056588
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,0083197 0,050692
Mixing height used (m)
500 500 361,02 70,689
Stand. dev. of turbulent velocity in vert. direction used (m/s)
1,0135 3,0406 1,455 0,3399
Stand. dev. of 0,69649 2,0895 0,99553 0,23256
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.80 of E.425
turbulent velocity in horiz. direction used (m/s) Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:13:25
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.81 of E.425
B.05 PIPELINE FROM FSU TANK TO SECONDARY PUMP - SUCTION (RELEASE ON WATER) RELEASE Case description: A07_B05_C04_tank to compressor DISCHARGE - release Model: Liquefied Gas Bottom Discharge (TPDIS model) version: 5.06 (27/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 2 and Modelling source terms for the atmospheric dispersion of hazardous substances, Jaakko Kukkonen Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Type of release Release from vessel through (a hole in) pipePipeline length (m) 26,5Pipeline diameter (m) 0,1016Hole diameter (inch) 4Height difference between pipe entrance and exit (m) 0Height leak above tank bottom (m) 0Initial temperature in vessel (°C) -161Vessel volume (m3) 90000Vessel type Horizontal cylinderLength cylinder (m) 26,5Filling degree (%) 99Pressure inside vessel determination Use actual pressureInitial (absolute) pressure in vessel (bar) 28Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 3,8014E07Initial (vapour) pressure in vessel (bar) 28Time needed to empty vessel (s) 1,2263E06Massflowrate at end outflow (kg/s) 0Total mass released (kg) 3,6365E07Pressure in vessel at end outflow (bar) 1,0151Temperature in vessel at end outflow (°C) -164,44VapourMass fraction at end outflow (%) 100Liquid mass in vessel at end outflow (kg) 1,5248E06Vapour mass in vessel at end outflow (kg) 1,2446E05Height of liquid at end outflow (m) 5,4694Fillingdegree at end outflow (%) 3,969Exit pressure at end outflow (bar) 1,0151Exit temperature at end outflow (°C) -164,44Maximum mass flow rate (kg/s) 228,97Representative release rate (kg/s) 217,35Representative outflow duration (s) 1800Representative temperature (°C) -161Representative pressure at exit (bar) 1,0565Representative vapour mass fraction (%) 0 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 18:18:22
POOL EVAPORATION Case description: tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.82 of E.425
Model: Pool evaporation version: 5.16 (27/06/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release) compared to: tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release) compared to: tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release) Parameters
Type of release Continuous Continuous Continuous ContinuousMass flow rate of the source (kg/s)
217,35 217,35 217,35 217,35
Duration of the release (s)
1800 1800 1800 1800
Total mass released (kg)
3,6365E07 3,6365E07 3,6365E07 3,6365E07
Type of pool growth on Land
Spreading in bunds Spreading in bunds Spreading in bunds Spreading in bunds
Type of pool growth on Water
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
1500 1500 1500 1500
Wind speed at 10 m height (m/s)
3 9 5 2
Solar heat radiation flux (W/m2)
100 100 100 100
Results
tank (secondary pump) to compressor -
evaporation D3 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release)
tank (secondary pump) to compressor -
evaporation D9 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release)
tank (secondary pump) to compressor -
evaporation E5 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release)
tank (secondary pump) to compressor -
evaporation F2 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release)Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends
46,5 46,5 46,5 46,5
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.83 of E.425
(s) Time until pool has totally evaporated (s)
Purple book representative evaporation rate (kg/s)
48,642 56,312 49,419 49,044
Purple book representative evaporation duration (s)
1079,8 1325,6 1252,7 943,29
Representative temperature (°C)
-161,49 -161,49 -161,49 -161,49
Representative pool diameter (m)
30,649 32,739 30,55 31,095
Density after mixing with air (kg/m3)
1,4928 1,3542 1,4206 1,5536
Total evaporated mass (kg)
52524 74650 61910 46263
... duration evaporation time (s)
1799,5 1799,5 1799,5 1799,5
Corresponding representative pool surface area (m2)
737,76 841,82 733,02 759,4
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 18:14:46
ATMOSPHERIC DISPERSION Case description: tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (27/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release)) compared to: tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release)) compared to: tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release)) Parameters
Inputs
tank (secondary pump) to compressor -
dispersion D3 (linked to Pool evaporation - tank
tank (secondary pump) to compressor -
dispersion D9 (linked to Pool evaporation - tank
tank (secondary pump) to compressor -
dispersion E5 (linked to Pool evaporation - tank
tank (secondary pump) to compressor -
dispersion F2 (linked to Pool evaporation - tank
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.84 of E.425
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Results
tank (secondary pump) to compressor -
dispersion D3 (linked to Pool evaporation - tank
(secondary pump) to compressor -
evaporation D3 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release))
tank (secondary pump) to compressor -
dispersion D9 (linked to Pool evaporation - tank
(secondary pump) to compressor -
evaporation D9 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release))
tank (secondary pump) to compressor -
dispersion E5 (linked to Pool evaporation - tank
(secondary pump) to compressor -
evaporation E5 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release))
tank (secondary pump) to compressor -
dispersion F2 (linked to Pool evaporation - tank
(secondary pump) to compressor -
evaporation F2 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) -
A07_B05_C04_tank to compressor
DISCHARGE - release))Explosive mass at time
0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.85 of E.425
t (kg) Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
1469,2 117,21 1312,5 3293,4
...at time tmem (s)
1000 500 400 400
Start time where 95% of maximum of explosive mass is reached (s)
95 95 95 97,293
Time where explosive mass starts decreasing below 95% of max (s)
1079,8 1325,6 1252,7 943,29
Length of cloud (between LEL) at time tmem (m)
169,19 59,746 209,2 79,629
Width of cloud (between LEL) at time tmem (m)
43,221 30,528 43,519 81,06
Offset between release location and LEL at time tmem (m)
-17,651 -14,292 -17,462 -18,722
Maximum area of explosive cloud (m2)
5508,9 1456,5 6168,3 5171,1
...at time tmac (s)
1079,8 1325,6 1252,7 943,29
Explosive mass at time tmac (kg)
1469,2 117,21 1312,5 3215,8
Length of cloud
169,19 14,284 209,2 79,629
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.86 of E.425
(between LEL) at time tmac (m) Width of cloud (between LEL) at time tmac (m)
43,221 27,344 43,519 81,06
Offset between release location and LEL at time tmac (m)
-17,651 -14,292 -17,462 -18,722
Offset between release centre and cloud centre at time tmac (m)
66,941 -7,1494 87,137 21,092
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 18:15:51
EXPLOSION Case description: tank (secondary pump) to compressor - uvce D3 LC1 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) Model: Explosion (Multi Energy model) version: 5.03 (27/06/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: tank (secondary pump) to compressor - uvce D9 LC1 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce E5 LC1 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce F2 LC1 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce D3 LC10 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce D3 LC50 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.87 of E.425
to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce D9 LC10 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce D9 LC50 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce E5 LC10 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce E5 LC50 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce F2 LC10 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) compared to: tank (secondary pump) to compressor - uvce F2 LC50 (linked to Dense Gas Dispersion: Explosive mass - tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release))) Parameters
Inputs
tank (second
ary pump) to compres
sor -uvce D3
LC1 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on D3 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion D3 (linked
tank (second
ary pump) to compres
sor -uvce D9
LC1 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on D9 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion D9 (linked
tank (second
ary pump) to compres
sor - uvce E5
LC1 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor - dispersi
on E5 (linked to Pool
evaporation - tank
(secondary
pump) to compres
sor - evaporat
ion E5 (linked
tank (second
ary pump) to compres
sor -uvce F2
LC1 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on F2 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion F2 (linked
tank (second
ary pump) to compres
sor - uvce D3
LC10 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor - dispersi
on D3 (linked to Pool
evaporation - tank
(secondary
pump) to compres
sor - evaporat
ion D3 (linked
tank (second
ary pump) to compres
sor -uvce D3
LC50 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on D3 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion D3 (linked
tank (second
ary pump) to compres
sor -uvce D9
LC10 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on D9 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion D9 (linked
tank (second
ary pump) to compres
sor - uvce D9
LC50 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor - dispersi
on D9 (linked to Pool
evaporation - tank
(secondary
pump) to compres
sor - evaporat
ion D9 (linked
tank (second
ary pump) to compres
sor -uvce E5
LC10 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on E5 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion E5 (linked
tank (second
ary pump) to compres
sor -uvce E5
LC50 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on E5 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion E5 (linked
tank (second
ary pump) to compres
sor - uvce F2
LC10 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor - dispersi
on F2 (linked to Pool
evaporation - tank
(secondary
pump) to compres
sor - evaporat
ion F2 (linked
tank (second
ary pump) to compres
sor -uvce F2
LC50 (linked
to Dense
Gas Dispersi
on: Explosive mass -
tank (second
ary pump) to compres
sor -dispersi
on F2 (linked to Pool
evaporation -tank
(secondary
pump) to compres
sor -evaporat
ion F2 (linked
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.88 of E.425
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.91 of E.425
e at Xd Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D:3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Minor damage (Zone D: 3.5 - 17
kPa).
Damage to brick houses at Xd
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Not habitabl
e without
major repair
works. Partial
roof failures,
25% of all brick
walls have
failed, serious damage
to the remaini
ng carrying element
s. Damage
to windowframes
and doors (7-15 kPa).
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Habitable after
relatively easy
repairs.Minor
structural
damage (3 kPa).
Habitable after
relatively easy
repairs. Minor
structural
damage (3 kPa).
Not habitabl
e without
major repair
works. Partial
roof failures,
25% of all brick
walls have
failed, serious damage
to the remaini
ng carrying element
s. Damage
to windowframes
and doors (7-15 kPa).
Not habitabl
e without
major repair
works. Partial
roof failures,
25% of all brick
walls have
failed, serious damage
to the remaini
ng carrying element
s. Damage
to windowframes
and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
No damage or very minor
damage
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
No damage or very minor
damage
No damage or very minor
damage
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
Minor damage. Compar
able to a damage due to a
storm; wooden
walls fail,
breakage of
windows (7-10 kPa).
Damage to structures (empirical)
Minor damage to steel frames
(8-10 kPa).
Connecti
No damage or very minor
damage
Minor damage to steel frames
(8-10 kPa).
Connecti
Minor damage to steel frames
(8-10 kPa).
Connecti
Minor damage to steel frames
(8-10 kPa).
Connecti
Minor damage to steel frames
(8-10 kPa).
Connecti
No damage or very minor
damage
No damage or very minor
damage
Minor damage to steel frames
(8-10 kPa).
Connecti
Minor damage to steel frames
(8-10 kPa).
Connecti
Minor damage to steel frames
(8-10 kPa).
Connecti
Minor damage to steel frames
(8-10 kPa).
Connecti
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.92 of E.425
at Xd ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
ons between steel or
aluminium
ondulated plates
have failed 7-14 kPa). The roof
of a storage
tank has collapse
d (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 18:17:12
POOL FIRE Case description: tank (secondary pump) to compressor - PFIRE D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release) Model: Pool fire version: 5.11 (27/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: tank (secondary pump) to compressor - PFIRE D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release) compared to: tank (secondary pump) to compressor - PFIRE E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release) compared to: tank (secondary pump) to compressor - PFIRE F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - A07_B05_C04_tank to compressor DISCHARGE - release) Parameters
Inputs
tank (secondary pump) to compressor - PFIRE D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) - A07_B05_C04_tank to
compressor DISCHARGE - release)
tank (secondary pump) to compressor - PFIRE D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -A07_B05_C04_tank to
compressor DISCHARGE - release)
tank (secondary pump) to compressor - PFIRE E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -A07_B05_C04_tank to
compressor DISCHARGE - release)
tank (secondary pump) to compressor - PFIRE F2 (linked to Liquefied Gas Bottom Discharge
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 18:11:04
-
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.95 of E.425
B.06 – ONBOARD TANK TO COMPRESSOR SECONDARY PUMP RELEASE Case description: onboard tank to compressor - release Model: Liquefied Gas Bottom Discharge (TPDIS model) version: 5.06 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 2 and Modelling source terms for the atmospheric dispersion of hazardous substances, Jaakko Kukkonen Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Use which representative step First 20% average (flammable)Type of release Release from vessel through (a hole in) pipePipeline length (m) 26,5Pipeline diameter (inch) 4Pipeline roughness (mm) 0,045Hole diameter (mm) 101,6Hole rounding Rounded edgesDischarge coefficient (-) 1Height difference between pipe entrance and exit (m) 0Height leak above tank bottom (m) 0Initial temperature in vessel (°C) -161Vessel volume (m3) 35000Vessel type Vertical cylinderHeight cylinder (m) 26,5Filling degree (%) 99Expansion type Adiabaticn value Pressure inside vessel determination Use actual pressureInitial (absolute) pressure in vessel (bar) 28Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 1,4783E07Initial (vapour) pressure in vessel (bar) 28Time needed to empty vessel (s) 6,5782E05Massflowrate at end outflow (kg/s) 0Total mass released (kg) 1,321E07Pressure in vessel at end outflow (bar) 1,0151Temperature in vessel at end outflow (°C) -162,87VapourMass fraction at end outflow (%) 100Liquid mass in vessel at end outflow (kg) 1,5218E06Vapour mass in vessel at end outflow (kg) 51270Height of liquid at end outflow (m) 2,7139Fillingdegree at end outflow (%) 10,241Exit pressure at end outflow (bar) 1,0151Exit temperature at end outflow (°C) -162,87Maximum mass flow rate (kg/s) 222,93Representative release rate (kg/s) 199,99Representative outflow duration (s) 1800Representative temperature (°C) -161Representative pressure at exit (bar) 1,0612Representative vapour mass fraction (%) 0 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.96 of E.425
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:56:27
EVAPORATION Case description: onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release) Model: Pool evaporation version: 5.16 (25/06/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release) compared to: onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release) compared to: onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release) Parameters
Type of release Continuous Continuous Continuous ContinuousMass flow rate of the source (kg/s)
199,99 199,99 199,99 199,99
Duration of the release (s)
1800 1800 1800 1800
Total mass released (kg)
1,321E07 1,321E07 1,321E07 1,321E07
Height pool at t=0 Value pool height at t=0 (m)
Type of pool growth on Land
Type of pool growth on Water
Confined water surface Confined water surface Confined water surface Confined water surface
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
10000 10000 10000 10000
Temperature of the subsoil (°C)
Temperature of the water (°C)
19 19 19 19
Max temperature difference between pool and water (K)
500 500 500 500
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C)
19 19 19 19
Ambient relative 75 75 75 75
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.97 of E.425
humidity (%) Solar radiation flux
User defined User defined User defined User defined
Solar heat radiation flux (W/m2)
100 100 100 100
Cloud cover (%) Date: day number Date: month number
Date: year number
Latitude of the location (deg)
Type of subsoil Subsoil roughness description
Maximum evaluation time for evaporation (s)
1800 1800 1800 1800
Results
onboard tank (secondary pump) to
compressor -evaporation D3 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release)
onboard tank (secondary pump) to
compressor -evaporation D9 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release)
onboard tank (secondary pump) to
compressor -evaporation E5 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release)
onboard tank (secondary pump) to
compressor -evaporation F2 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release)Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s)
104 104 104 104
Time until pool has totally evaporated (s)
1074 1074 1074 1074
Purple book representative evaporation rate (kg/s)
499,51 499,51 499,51 499,51
Purple book representative evaporation duration (s)
720,67 720,67 720,67 720,67
Representative temperature (°C)
-161,49 -161,49 -161,49 -161,49
Representative pool diameter (m)
31,969 31,969 31,969 31,969
Density after mixing with air (kg/m3)
1,7552 1,6609 1,7197 1,7748
Total evaporated mass (kg)
3,5998E05 3,5998E05 3,5998E05 3,5998E05
... duration evaporation time (s)
1074 1074 1074 1074
Corresponding representative pool surface area
802,67 802,67 802,67 802,67
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.98 of E.425
(m2) Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:56:59
DISPERSION Case description: onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) compared to: onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) compared to: onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) Parameters
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.99 of E.425
release (m) Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
onboard tank (secondary pump) to
compressor - dispersion D3 (linked to Pool
evaporation - onboard tank (secondary pump)
to compressor -evaporation D3 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release))
onboard tank (secondary pump) to
compressor - dispersion D9 (linked to Pool
evaporation - onboard tank (secondary pump)
to compressor -evaporation D9 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release))
onboard tank (secondary pump) to
compressor - dispersion E5 (linked to Pool
evaporation - onboard tank (secondary pump)
to compressor -evaporation E5 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release))
onboard tank (secondary pump) to
compressor - dispersion F2 (linked to Pool
evaporation - onboard tank (secondary pump)
to compressor -evaporation F2 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -onboard tank to
compressor - release))Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum 25044 16037 16827 57626
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.100 of E.425
explosive mass (kg) ...at time tmem (s)
110 450 650 300
Start time where 95% of maximum of explosive mass is reached (s)
96,482 48,742 63,409 182,26
Time where explosive mass starts decreasing below 95% of max (s)
720,67 720,67 720,67 720,67
Length of cloud (between LEL) at time tmem (m)
110,61 479,58 107,15 175
Width of cloud (between LEL) at time tmem (m)
149,43 59,66 132,57 359,58
Offset between release location and LEL at time tmem (m)
-26,218 -19,503 -21,197 -55,415
Maximum area of explosive cloud (m2)
12920 20723 11134 43905
...at time tmac (s)
720,67 720,67 720,67 720,67
Explosive mass at time tmac (kg)
20365 16037 15678 57626
Length of cloud (between LEL) at time tmac (m)
110,61 479,58 107,15 175
Width of cloud (between LEL) at time tmac (m)
149,43 59,66 132,57 359,58
Offset between release location and LEL at time tmac (m)
-26,218 -19,503 -21,197 -55,415
Offset between release centre and cloud centre at time tmac (m)
29,088 220,29 32,378 32,088
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:57:26
EXPLOSION Case description: tank (secondary pump) to compressor - uvce D3 LC1 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.101 of E.425
Model: Explosion (Multi Energy model) version: 5.03 (25/07/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: tank (secondary pump) to compressor - uvce D9 LC1 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC1 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC1 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce D3 LC10 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce D3 LC50 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce D9 LC10 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)) compared to: tank (secondary pump) to compressor - uvce D9 LC50 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC10 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC50 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC10 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC50 PNEW (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) Parameters
Inputs
tank (second
ary pump)
to compres
sor -uvce D3
LC1 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce D9
LC1 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce E5
LC1 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce F2
LC1 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce D3
LC10 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce D3
LC50 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce D9
LC10 PNEW (linked to Pool
evaporation -
onboard tank
tank (second
ary pump)
to compres
sor -uvce D9
LC50 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce E5
LC10 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce E5
LC50 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce F2
LC10 PNEW (linked
to Dense
Gas Dispersi
on:
tank (second
ary pump)
to compres
sor -uvce F2
LC50 PNEW (linked
to Dense
Gas Dispersi
on:
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.102 of E.425
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 12:03:40
POOL FIRE Case description: onboard tank (secondary pump) to compressor - PFIRE D3 (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) Model: Pool fire version: 5.11 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: onboard tank (secondary pump) to compressor - PFIRE D9 (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) compared to: onboard tank (secondary pump) to compressor - PFIRE E5 (linked to Pool evaporation - onboard
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.106 of E.425
tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) compared to: onboard tank (secondary pump) to compressor - PFIRE F2 (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release)) Parameters
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.109 of E.425
Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:59:31
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.110 of E.425
B.07– PIPELINE FROM SECONDARY PUMP TO RU RELEASE Case description: B07_pump to ru - release Model: Liquefied Gas Bottom Discharge (TPDIS model) version: 5.06 (07/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 2 and Modelling source terms for the atmospheric dispersion of hazardous substances, Jaakko Kukkonen Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Use which representative step First 20% average (flammable)Type of release Release from vessel through (a hole in) pipePipeline length (m) 26,5Pipeline diameter (inch) 6Pipeline roughness (mm) 0,045Hole diameter (m) 0,1524Hole rounding Rounded edgesDischarge coefficient (-) 1Height difference between pipe entrance and exit (m) 0Height leak above tank bottom (m) 0Initial temperature in vessel (°C) -161Vessel volume (m3) 90000Vessel type Horizontal cylinderLength cylinder (m) 26,5Filling degree (%) 99Expansion type Adiabaticn value Pressure inside vessel determination Use actual pressureInitial (absolute) pressure in vessel (bar) 28Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 3,8014E07Initial (vapour) pressure in vessel (bar) 28Time needed to empty vessel (s) 4,2649E05Massflowrate at end outflow (kg/s) 0Total mass released (kg) 3,6387E07Pressure in vessel at end outflow (bar) 1,0151Temperature in vessel at end outflow (°C) -164,42VapourMass fraction at end outflow (%) 100Liquid mass in vessel at end outflow (kg) 1,503E06Vapour mass in vessel at end outflow (kg) 1,2479E05Height of liquid at end outflow (m) 5,4165Fillingdegree at end outflow (%) 3,9125Exit pressure at end outflow (bar) 1,0151Exit temperature at end outflow (°C) -164,42Maximum mass flow rate (kg/s) 600,89Representative release rate (kg/s) 539,25Representative outflow duration (s) 1800Representative temperature (°C) -161Representative pressure at exit (bar) 1,0643Representative vapour mass fraction (%) 0 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:23:00
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.111 of E.425
EVAPORATION Case description: B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) Model: Pool evaporation version: 5.16 (20/06/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) compared to: B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) compared to: B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) Parameters
Type of release Continuous Continuous Continuous ContinuousMass flow rate of the source (kg/s)
539,25 539,25 539,25 539,25
Duration of the release (s)
1800 1800 1800 1800
Total mass released (kg)
3,6387E07 3,6387E07 3,6387E07 3,6387E07
Height pool at t=0 Value pool height at t=0 (m)
Type of pool growth on Land
Spreading in bunds Spreading in bunds Spreading in bunds Spreading in bunds
Type of pool growth on Water
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
1500 1500 1500 1500
Temperature of the subsoil (°C)
19 19 19 19
Temperature of the water (°C)
Max temperature difference between pool and water (K)
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C)
19 19 19 19
Ambient relative humidity (%)
75 75 75 75
Solar radiation flux User defined User defined User defined User definedSolar heat radiation flux (W/m2)
100 100 100 100
Cloud cover (%)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.112 of E.425
Date: day number Date: month number
Date: year number Latitude of the location (deg)
Type of subsoil Heavy concrete Heavy concrete Heavy concrete Heavy concrete
Subsoil roughness description
flat sandy soil, concrete, tiles, plant-
yard
flat sandy soil, concrete, tiles, plant-
yard
flat sandy soil, concrete, tiles, plant-
yard
flat sandy soil, concrete, tiles, plant-
yardMaximum evaluation time for evaporation (s)
1800 1800 1800 1800
Results
B07_pump to RU -evaporation D3 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B07_pump to ru -
release)
B07_pump to RU -evaporation D9 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B07_pump to ru -
release)
B07_pump to RU -evaporation E5 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B07_pump to ru -
release)
B07_pump to RU -evaporation F2 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B07_pump to ru -
release)Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s)
34,5 34,5 34,5 34,5
Time until pool has totally evaporated (s)
Purple book representative evaporation rate (kg/s)
52,281 62,311 51,892 53,861
Purple book representative evaporation duration (s)
1068,6 1449,8 1350,9 882,95
Representative temperature (°C)
-161,49 -161,49 -161,49 -161,49
Representative pool diameter (m)
29,033 31,883 28,512 29,892
Density after mixing with air (kg/m3)
1,5121 1,369 1,4372 1,5733
Total evaporated mass (kg)
55867 90337 70102 47556
... duration evaporation time (s)
1799,5 1799,5 1799,5 1799,5
Corresponding representative pool surface area (m2)
662,01 798,37 638,49 701,78
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:23:27
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.113 of E.425
ATMOSPHERIC DISPERSION Case description: B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (20/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) compared to: B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) compared to: B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) Parameters
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.114 of E.425
(North = 0 degrees) (deg) Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B07_pump to ru - dispersion D3 (linked to
Pool evaporation - B07_pump to RU -
evaporation D3 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B07_pump to ru - release))
B07_pump to ru -dispersion D9 (linked to
Pool evaporation -B07_pump to RU -
evaporation D9 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B07_pump to ru -release))
B07_pump to ru -dispersion E5 (linked to
Pool evaporation -B07_pump to RU -
evaporation E5 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B07_pump to ru -release))
B07_pump to ru -dispersion F2 (linked to
Pool evaporation -B07_pump to RU -
evaporation F2 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B07_pump to ru -release))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
1834,7 190,3 669,32 4050,5
...at time tmem (s) 200 600 1200 800Start time where 95% of maximum of explosive mass is reached (s)
95 95 95 165,8
Time where explosive mass starts decreasing below 95% of max (s)
1068,6 1449,8 1350,9 882,95
Length of cloud (between LEL) at time tmem (m)
191,4 72,008 120,8 261,48
Width of cloud (between LEL) at time tmem (m)
42,652 33,238 37,665 46,537
Offset between release location and LEL at time tmem (m)
-16,92 -16,21 -15,976 -17,729
Maximum area of explosive cloud
5968,9 1885,1 3410,2 9829,6
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.115 of E.425
(m2) ...at time tmac (s) 1068,6 1449,8 1350,9 882,95Explosive mass at time tmac (kg)
1834,7 190,3 669,32 4050,5
Length of cloud (between LEL) at time tmac (m)
191,4 16,206 120,8 261,48
Width of cloud (between LEL) at time tmac (m)
42,652 30,5 37,665 46,537
Offset between release location and LEL at time tmac (m)
-16,92 -16,21 -15,976 -17,729
Offset between release centre and cloud centre at time tmac (m)
78,783 -8,1074 44,423 113,01
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0 0
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:23:48
EXPLOSION Case description: B07_pump to ru - uvce D3 LC1 copy (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Model: Explosion (Multi Energy model) version: 5.03 (07/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B07_pump to ru - uvce D9 LC1 copy (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce E5 LC1 copy (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce F2 LC1 copy (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Parameters
Inputs
B07_pump to ru - uvce D3 LC1 copy (linked to Dense Gas Dispersion:
Explosive mass - B07_pump to ru -
dispersion D3 (linked to Pool evaporation - B07_pump to RU -
evaporation D3 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B07_pump to ru - release)))
B07_pump to ru - uvce D9 LC1 copy (linked to Dense Gas Dispersion:
Explosive mass -B07_pump to ru -
dispersion D9 (linked to Pool evaporation -B07_pump to RU -
evaporation D9 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B07_pump to ru -release)))
B07_pump to ru - uvce E5 LC1 copy (linked to Dense Gas Dispersion:
Explosive mass -B07_pump to ru -
dispersion E5 (linked to Pool evaporation -B07_pump to RU -
evaporation E5 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) - B07_pump to
ru - release)))
B07_pump to ru - uvce F2 LC1 copy (linked to Dense Gas Dispersion: Explosive
mass - B07_pump to ru -dispersion F2 (linked to
Pool evaporation -B07_pump to RU -
evaporation F2 (linked to Liquefied Gas Bottom
Discharge (TPDIS model) - B07_pump to ru -
release)))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.116 of E.425
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining
carrying elements. Damage to
windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
No damage or very minor damage
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage
due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa).
No damage or very minor damage
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof
of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:25:03
POOL FIRE Case description: B07_pump to RU - PFIRE D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) Model: Pool fire version: 5.11 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B07_pump to RU - PFIRE D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) compared to: B07_pump to RU - PFIRE E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) compared to: B07_pump to RU - PFIRE F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) Parameters Inputs B07_pump to RU - B07_pump to RU - B07_pump to RU - B07_pump to RU -
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.118 of E.425
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.120 of E.425
transmissivity (%) Flame temperature (°C)
762,39 799,53 779,37 762,39
Height of the Flame (m)
50,24 39,95 45,199 50,24
Calculated pool surface area (m2)
1500 1500 1500 1500
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:25:34
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.121 of E.425
B.08 – REGASIFICATION UNIT JET FIRE Case description: B08_vaporizer - JFIRE D3 Model: Gas Jet Fire (Chamberlain model) version: 5.12 (07/11/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B08_vaporizer - JFIRE D9 compared to: B08_vaporizer - JFIRE E5 compared to: B08_vaporizer - JFIRE F2 Parameters
Outflow angle in XZ plane (0°=horizontal; 90°=vertical) (deg)
0 0 0 0
Release height (Stack height) (m)
1 1 1 1
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C) 19 19 19 19Ambient relative humidity (%) 75 75 75 75Flame temperature (K) 1500 1500 1500 1500Amount of CO2 in atmosphere (%)
0,03 0,03 0,03 0,03
Percentage of the flame covered by soot (%)
0 0 0 0
Distance from release (Xd) (m) 100 100 100 100X-coordinate of release (m) 0 0 0 0Y-coordinate of release (m) 0 0 0 0Predefined wind direction N N N NWind comes from (North = 0 degrees) (deg)
0 0 0 0
Results B08_vaporizer -
JFIRE D3B08_vaporizer -
JFIRE D9B08_vaporizer -
JFIRE E5B08_vaporizer -
JFIRE F2Initial source strength (kg/s) 12,828 12,828 12,828 12,828Type of flow of the jet Choked flow Choked flow Choked flow Choked flowExit velocity of expanding jet (m/s)
530,59 530,59 530,59 530,59
Angle between hole and flame axis (alpha) (deg)
0 0 0 0
Frustum lift off height (b) (m) 9,0724 7,1035 7,88 10,137Width of frustum base (W1) (m)
0,090821 0,085632 0,0887 0,095981
Width of frustum tip (W2) (m) 13,117 11,94 12,074 14,184Length of frustum (flame) (Rl) (m)
36,289 28,414 31,52 40,549
Tilt angle central axis flare 0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.122 of E.425
(alpha_b) (deg) Surface area of frustum (m2) 900,04 660,25 727,49 1081,2Surface area of a cylinder (m2) 821,38 593,51 660,3 989,61Surface emissive power (max) (kW/m2)
115,52 159,87 143,7 95,88
Surface emissive power (actual) (kW/m2)
115,52 159,87 143,7 95,88
Atmospheric transmissivity (%) 74,567 74,433 74,48 74,656View factor (%) 0,36387 0,21689 0,25114 0,52133Heat radiation at Xd (kW/m2) 0,32463 0,26465 0,27672 0,38865 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:03:53
ATMOSPHERIC DISPERSION Case description: B08_vaporizer - dispersion D3 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (07/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B08_vaporizer - dispersion D9 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3) compared to: B08_vaporizer - dispersion E5 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3) compared to: B08_vaporizer - dispersion F2 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3) Parameters
Inputs
B08_vaporizer -dispersion D3 (linked
to Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
D3)
B08_vaporizer -dispersion D9 (linked
to Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
D3)
B08_vaporizer -dispersion E5 (linked
to Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
D3)
B08_vaporizer -dispersion F2 (linked to
Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
Type of release Semi-continuous Semi-continuous Semi-continuous Semi-continuousTotal mass released (kg)
Mass flow rate of the source (kg/s)
1848 1848 1848 1848
Duration of the release (s)
120 120 120 120
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
0 0 0 0
Length source in wind (x) direction (m)
0 0 0 0
Length source in crosswind (y) direction (m)
0 0 0 0
Length source in vertical (z) direction
0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.123 of E.425
(m) Ambient temperature (°C)
19 19 19 19
Meteorological data Pasquill Pasquill Pasquill PasquillPasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Latitude of the location (deg)
35 35 35 35
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m) Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Low Low Low Low
Results
B08_vaporizer -dispersion D3 (linked
to Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
D3)
B08_vaporizer -dispersion D9 (linked
to Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
D3)
B08_vaporizer -dispersion E5 (linked
to Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
D3)
B08_vaporizer -dispersion F2 (linked to
Gas Jet Fire (Chamberlain model) -B08_vaporizer - JFIRE
D3)Total explosive mass at time t (kg)
1,2366E05 1,331E05 1,4426E05 39379
Height to LEL at time t (m)
48,6 46,8 39,6 28,3
Length of cloud (between LEL) at time t (m)
430,29 1018,1 698,5 302,86
Width of cloud (between LEL) at time t (m)
70,686 70,246 69,776 53,239
Offset between release location and LEL at time t (m)
0,01 0,01 0,01 0,01
Maximum explosive mass (kg)
1,9709E05 1,3462E05 1,8376E05 2,0106E05
...at time tmem (s) 200 125 200 500
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.124 of E.425
Start time where 95% of maximum of explosive mass is reached (s)
184,31 113,2 144,42 472,29
Time where explosive mass starts decreasing below 95% of max (s)
233,44 130,67 220,57 604,67
Length of cloud (between LEL) at end of release (m)
430,29 1018,1 698,5 302,86
Width of cloud (between LEL) at end of release (m)
70,686 70,246 69,776 53,239
Offset between release location and LEL at end of release (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
48651 56924 66800 83225
...at time tmac (s) 350 125 300 1250Explosive mass at time tmac (kg)
1,4349E05 1,3462E05 1,3483E05 1,0407E05
Length of cloud (between LEL) at time tmac (m)
557,96 1014 814,8 941,29
Width of cloud (between LEL) at time tmac (m)
110,2 70,337 102,2 114,06
Offset between release location and LEL at time tmac (m)
574,35 33,235 760,48 1891
Offset between release centre and cloud centre at time tmac (m)
853,33 540,24 1167,9 2361,6
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,014548 0,060302
Mixing height used (m)
500 500 247,92 62,735
Stand. dev. of turbulent velocity in vert. direction used (m/s)
0,63265 1,8979 0,88561 0,23504
Stand. dev. of turbulent velocity in horiz. direction used (m/s)
0,43475 1,3042 0,60594 0,16082
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:11:22
EXPLOSION
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.125 of E.425
Case description: B08_vaporizer - uvce D3 LC1 (linked to Neutral Gas Dispersion: Explosive mass - B08_vaporizer - dispersion D3 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3)) Model: Explosion (Multi Energy model) version: 5.03 (07/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B08_vaporizer - uvce D9 LC1 (linked to Neutral Gas Dispersion: Explosive mass - B08_vaporizer - dispersion D9 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3)) compared to: B08_vaporizer - uvce E5 LC1 (linked to Neutral Gas Dispersion: Explosive mass - B08_vaporizer - dispersion E5 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3)) compared to: B08_vaporizer - uvce F2 LC1 (linked to Neutral Gas Dispersion: Explosive mass - B08_vaporizer - dispersion F2 (linked to Gas Jet Fire (Chamberlain model) - B08_vaporizer - JFIRE D3)) Parameters
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Not habitable without major repair works.
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Not habitable without major repair works.
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying elements. Damage to
windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying elements. Damage
to windowframes and doors (7-15
kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls
and doors; failure of joints. Doors and window frames have failed. Wall
covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls
and doors; failure of joints. Doors and window frames have failed. Wall
covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls
and doors; failure of joints. Doors and window frames have failed. Wall
covering has fallen down (15 kPa).
Moderate to minor damage. Deformed
walls and doors; failure of joints.
Doors and window frames have failed. Wall covering has
fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
framing structure
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
framing structure
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
framing structure
Walls made of concrete blocks
have collapsed (15-20). Minor damage to steel frames (8-
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.127 of E.425
collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30
kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have
fallen down (20-40 kPa). Walls made of concrete
blocks have collapsed (15-20). Minor damage to
steel frames (8-10 kPa). Connections between
steel or aluminium ondulated plates have
failed 7-14 kPa). The roof of a storage tank has
collapsed (7 kPa).
collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30
kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have
fallen down (20-40 kPa). Walls made of concrete
blocks have collapsed (15-20). Minor damage to
steel frames (8-10 kPa). Connections between
steel or aluminium ondulated plates have
failed 7-14 kPa). The roof of a storage tank has
collapsed (7 kPa).
collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30
kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have
fallen down (20-40 kPa). Walls made of concrete
blocks have collapsed (15-20). Minor damage to
steel frames (8-10 kPa). Connections between
steel or aluminium ondulated plates have
failed 7-14 kPa). The roof of a storage tank has
collapsed (7 kPa).
10 kPa). Connections
between steel or aluminium
ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 10:14:38
DISPERSION Case description: B09_RU to ME - dispersion D3 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (21/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B09_RU to ME - dispersion D9 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3) compared to: B09_RU to ME - dispersion E5 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3) compared to: B09_RU to ME - dispersion F2 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3) Parameters
Type of release Semi-continuous Semi-continuous Semi-continuous Semi-continuousTotal mass released (kg)
Mass flow rate of the source (kg/s)
188,45 188,45 188,45 188,45
Duration of the release (s)
120 120 120 120
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
0 0 0 0
Length source in 0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.128 of E.425
wind (x) direction (m) Length source in crosswind (y) direction (m)
0 0 0 0
Length source in vertical (z) direction (m)
0 0 0 0
Ambient temperature (°C)
19 19 19 19
Meteorological data Pasquill Pasquill Pasquill PasquillPasquill stability class
D (Neutral) D (Neutral) E (Stable) D (Neutral)
Wind speed at 10 m height (m/s)
3 9 5 3
Latitude of the location (deg)
51 51 51 51
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m) Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Low Low Low Low
Results
B09_RU to ME -dispersion D3 (linked
to Gas Jet Fire (Chamberlain model) -
B09_RU to ME - JFIRE D3)
B09_RU to ME -dispersion D9 (linked
to Gas Jet Fire (Chamberlain model) -
B09_RU to ME - JFIRE D3)
B09_RU to ME -dispersion E5 (linked
to Gas Jet Fire (Chamberlain model) -
B09_RU to ME - JFIRE D3)
B09_RU to ME -dispersion F2 (linked
to Gas Jet Fire (Chamberlain model) -
B09_RU to ME -JFIRE D3)
Explosive mass at time t (kg)
15626 3783,7 13761 15626
Height to LEL at time t (m)
26,9 16,8 19,3 26,9
Length of cloud (between LEL) at time t (m)
369,24 323,28 568,8 369,24
Width of cloud (between LEL) at time t (m)
34,845 19,997 31,318 34,845
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.129 of E.425
Offset between release location and LEL at time t (m)
0,01 0,01 0,01 0,01
Maximum explosive mass (kg)
16063 3783,7 13873 16063
...at time tmem (s) 125 120 125 125Start time where 95% of maximum of explosive mass is reached (s)
117,17 36,262 113,26 117,17
Time where explosive mass starts decreasing below 95% of max (s)
141,58 121,29 130,83 141,58
Length of cloud (between LEL) at time tmem (m)
369,24 323,28 568,8 369,24
Width of cloud (between LEL) at time tmem (m)
34,845 19,997 31,318 34,845
Offset between release location and LEL at time tmem (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
11104 5050,6 14244 11104
...at time tmac (s) 175 120 150 175Explosive mass at time tmac (kg)
11938 3783,7 10900 11938
Length of cloud (between LEL) at time tmac (m)
357,77 323,28 537,6 357,77
Width of cloud (between LEL) at time tmac (m)
36,574 19,997 31,456 36,574
Offset between release location and LEL at time tmac (m)
136,86 0,01 120,83 136,86
Offset between release centre and cloud centre at time tmac (m)
315,75 161,65 389,63 315,75
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,014548 0
Mixing height used (m)
500 500 212,99 500
Stand. dev. of turbulent velocity in vert. direction used (m/s)
0,63265 1,8979 0,88561 0,63265
Stand. dev. of turbulent velocity in horiz. direction used (m/s)
0,43475 1,3042 0,60594 0,43475
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.130 of E.425
Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:53:09
EXPLOSION Case description: B09_RU to ME - UVCE D3 LC1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3)) Model: Explosion (Multi Energy model) version: 5.03 (25/06/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B09_RU to ME - UVCE D9 LC1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D9 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3)) compared to: B09_RU to ME - UVCE E5 LC1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3)) compared to: B09_RU to ME - UVCE F2 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3)) Parameters
Inputs
B09_RU to ME - UVCE D3 LC1 (linked to
Neutral Gas Dispersion: Explosive mass -B09_RU to ME -
dispersion D3 (linked to Gas Jet Fire
(Chamberlain model) -B09_RU to ME - JFIRE
D3))
B09_RU to ME - UVCE D9 LC1 (linked to
Neutral Gas Dispersion: Explosive mass -B09_RU to ME -
dispersion D9 (linked to Gas Jet Fire
(Chamberlain model) -B09_RU to ME - JFIRE
D3))
B09_RU to ME - UVCE E5 LC1 (linked to
Neutral Gas Dispersion: Explosive mass -B09_RU to ME -
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:54:48
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.132 of E.425
B.10 - PIPELINE FROM FSU TANK TO COMPRESSOR RELEASE Case description: B10_tank to BOC - release Model: Gas Release From Vessel version: 5.09 (20/06/2013) Reference: Yellow Book, CPR-14E, 3rd edition 1997, Paragraph 2.5.2.3 and Yellow Book, CPR-14E, 3rd edition 1997, Paragraph 2.5.2.3 Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Use which representative step First 20% average (flammable)Expansion type Adiabaticn value Type of release Release from vessel through (a hole in) pipePipeline length (m) 53Pipeline diameter (inch) 6Pipeline roughness (mm) 0,045Hole diameter (inch) 6Hole rounding Sharp edgesDischarge coefficient (-) 0,62Initial temperature in equipment (°C) -150Initial (absolute) pressure in vessel (bar) 1,1Vessel volume (m3) 20Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 35,483Mass flow rate at time t (kg/s) Time needed to empty vessel (s) 3,8144Total mass released (kg) 2,0656Pressure in vessel at time t (bar) Pressure at pipe exit at time t (bar) Temperature at pipe exit at time t (°C) Density gas at pipe exit at time t (kg/m3) Maximum mass flow rate (kg/s) 1,1052Representative release rate (kg/s) 1,0448Representative outflow duration (s) 1,977Representative temperature (°C) -150,25Representative pressure (bar) 1,0409Representative density (kg/m3) 1,6798 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:46:05
JET FIRE Case description: B10_tank to BOC - JFIRE D3 not realistic copy Model: Gas Jet Fire (Chamberlain model) version: 5.12 (17/10/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.133 of E.425
Type of release Release from vessel through (a hole in) pipePipeline length (m) 25000Pipeline diameter (inch) 6Pipeline roughness (mm) 0,045Hole diameter (inch) 6Hole rounding Rounded edgesDischarge coefficient (-) 1Initial temperature in vessel (°C) 19Initial (absolute) pressure in vessel (bar) 38Outflow angle in XZ plane (0°=horizontal; 90°=vertical) (deg) 0Release height (Stack height) (m) 40Wind speed at 10 m height (m/s) 3Ambient temperature (°C) 19Ambient relative humidity (%) 75Flame temperature (°C) 1500Amount of CO2 in atmosphere (%) 0,03Percentage of the flame covered by soot (%) 0Distance from release (Xd) (m) 100X-coordinate of release (m) 0Y-coordinate of release (m) 0Predefined wind direction NWind comes from (North = 0 degrees) (deg) 0
Results Initial source strength (kg/s) 3,9424Type of flow of the jet Choked flowExit velocity of expanding jet (m/s) 859,76Angle between hole and flame axis (alpha) (deg) 0,53242Frustum lift off height (b) (m) 4,5221Width of frustum base (W1) (m) 0,060633Width of frustum tip (W2) (m) 6,7133Length of frustum (flame) (Rl) (m) 19,592Tilt angle central axis flare (alpha_b) (deg) 0,43257Surface area of frustum (m2) 246,85Surface area of a cylinder (m2) 226,48Surface emissive power (max) (kW/m2) 107,18Surface emissive power (actual) (kW/m2) 107,18Atmospheric transmissivity (%) 78,312View factor (%) 0,13592Heat radiation at Xd (kW/m2) 0,11437 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:45:24
B.11 – COMPRESSOR RELEASE Case description: B11_tank to BOC - release Model: Gas Release From Vessel version: 5.09 (20/06/2013) Reference: Yellow Book, CPR-14E, 3rd edition 1997, Paragraph 2.5.2.3 and Yellow Book, CPR-14E, 3rd edition 1997, Paragraph 2.5.2.3 Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Use which representative step First 20% average (flammable)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.134 of E.425
Expansion type Adiabaticn value Type of release Release from vessel through (a hole in) pipePipeline length (m) 53Pipeline diameter (inch) 6Pipeline roughness (mm) 0,045Hole diameter (inch) 6Hole rounding Sharp edgesDischarge coefficient (-) 0,62Initial temperature in equipment (°C) -150Initial (absolute) pressure in vessel (bar) 1,1Vessel volume (m3) 20Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 35,483Mass flow rate at time t (kg/s) Time needed to empty vessel (s) 3,8144Total mass released (kg) 2,0656Pressure in vessel at time t (bar) Pressure at pipe exit at time t (bar) Temperature at pipe exit at time t (°C) Density gas at pipe exit at time t (kg/m3) Maximum mass flow rate (kg/s) 1,1052Representative release rate (kg/s) 1,0448Representative outflow duration (s) 1,977Representative temperature (°C) -150,25Representative pressure (bar) 1,0409Representative density (kg/m3) 1,6798 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:39:51
JET FIRE Case description: B11_tank to BOC - JFIRE D3 not realistic Model: Gas Jet Fire (Chamberlain model) version: 5.12 (25/06/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B11_tank to BOC - JFIRE D9 not realistic compared to: B11_tank to BOC - JFIRE E5 not realistic compared to: B11_tank to BOC - JFIRE F2 not realistic Parameters
Other information Main program Effects 8.1.8.6673Chemical database DIPPR database
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.136 of E.425
Chemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:39:06
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.137 of E.425
B.12 - PIPELINE FROM FSU BOC TO FSU LIQUIFIER – DISCHARGE JET FIRE Case description: B12_BOC to Liquifier -not realistic Model: Gas Jet Fire (Chamberlain model) version: 5.12 (25/06/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B12_BOC to Liquifier - modified not realistic D3 compared to: B12_BOC to Liquifier - modified not realistic D9 compared to: B12_BOC to Liquifier - modified not realistic E5 compared to: B12_BOC to Liquifier - modified not realistic F2 Parameters
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:31:22
DISPERSION Case description: B12_BOC to Liquifier - modified not realistic DISPERSION D3 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B12_BOC to Liquifier - modified not realistic DISPERSION D9 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) compared to: B12_BOC to Liquifier - modified not realistic DISPERSION E5 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) compared to: B12_BOC to Liquifier - modified not realistic DISPERSION F2 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) Parameters
Inputs
B12_BOC to Liquifier -modified not realistic
DISPERSION D3 (linked to Gas Jet Fire
B12_BOC to Liquifier -modified not realistic
DISPERSION D9 (linked to Gas Jet Fire
B12_BOC to Liquifier -modified not realistic
DISPERSION E5 (linked to Gas Jet Fire
B12_BOC to Liquifier -modified not realistic
DISPERSION F2 (linked to Gas Jet Fire
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.139 of E.425
Type of release Continuous Continuous Continuous ContinuousTotal mass released (kg)
Mass flow rate of the source (kg/s)
1,4993 1,4993 1,4993 1,4993
Duration of the release (s)
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
0 0 0 0
Length source in wind (x) direction (m)
0 0 0 0
Length source in crosswind (y) direction (m)
0 0 0 0
Length source in vertical (z) direction (m)
0 0 0 0
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Latitude of the location (deg)
51 51 51 51
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m) Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.
High crops; scattered large objects, 15 < x/h
< 20.Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Time t after start release (s)
Concentration averaging time (s)
20 20 20 20
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.140 of E.425
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Results
B12_BOC to Liquifier -modified not realistic
DISPERSION D3 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -
modified not realistic D3)
B12_BOC to Liquifier -modified not realistic
DISPERSION D9 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -
modified not realistic D3)
B12_BOC to Liquifier -modified not realistic
DISPERSION E5 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -
modified not realistic D3)
B12_BOC to Liquifier -modified not realistic
DISPERSION F2 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -
modified not realistic D3)
Explosive mass at time t (kg)
9,1894 1,555 6,0631 47,811
Height to LEL at time t (m)
3,2 2 2,4 3,3
Length of cloud (between LEL) at time t (m)
32,44 16,38 35,9 114,1
Width of cloud (between LEL) at time t (m)
2,5029 1,351 2,0542 3,7754
Offset between release location and LEL at time t (m)
0,01 0,01 0,01 0,01
Maximum explosive mass (kg)
9,1894 1,555 6,0631 47,811
...at time tmem (s) 0 0 0 0Start time where 95% of maximum of explosive mass is reached (s)
0 0 0 0
Time where explosive mass starts decreasing below 95% of max (s)
0 0 0 0
Length of cloud (between LEL) at time tmem (m)
32,44 16,38 35,9 114,1
Width of cloud (between LEL) at time tmem (m)
2,5029 1,351 2,0542 3,7754
Offset between release location and LEL at time tmem (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
64,445 17,673 58,213 336,1
...at time tmac (s) 0 0 0 0Explosive mass at time tmac (kg)
9,1894 1,555 6,0631 47,811
Length of cloud (between LEL) at time tmac (m)
32,44 16,38 35,9 114,1
Width of cloud (between LEL) at time tmac (m)
2,5029 1,351 2,0542 3,7754
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.141 of E.425
Offset between release location and LEL at time tmac (m)
0,01 0,01 0,01 0,01
Offset between release centre and cloud centre at time tmac (m)
16,23 8,2 17,96 57,06
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,014548 0,060302
Mixing height used (m)
500 500 212,99 53,896
Stand. dev. of turbulent velocity in vert. direction used (m/s)
0,63265 1,8979 0,88561 0,23504
Stand. dev. of turbulent velocity in horiz. direction used (m/s)
0,43475 1,3042 0,60594 0,16082
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:32:34
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.142 of E.425
B.13 - PIPELINE FROM FSU LIQUIFIER TO FSU TANK RELEASE Case description:B13_liquifier to tank - release Model: Liquefied Gas Bottom Discharge (TPDIS model) version: 5.06 (25/07/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 2 and Modelling source terms for the atmospheric dispersion of hazardous substances, Jaakko Kukkonen Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Type of release Release from vessel through (a hole in) pipePipeline length (m) 53Pipeline diameter (inch) 4Hole diameter (m) 0,1016Height difference between pipe entrance and exit (m) 0Height leak above tank bottom (m) 0Initial temperature in vessel (°C) -161Vessel volume (m3) 50Vessel type Horizontal cylinderLength cylinder (m) 53Filling degree (%) 99Pressure inside vessel determination Use actual pressureInitial (absolute) pressure in vessel (bar) 6Type of calculation Calculate until device is emptyTime t after start release (s)
Results Initial mass in vessel (kg) 20885Initial (vapour) pressure in vessel (bar) 6Time needed to empty vessel (s) 3471Massflowrate at end outflow (kg/s) 0Total mass released (kg) 13479Pressure in vessel at end outflow (bar) 1,0151Temperature in vessel at end outflow (°C) -161,67VapourMass fraction at end outflow (%) 100Liquid mass in vessel at end outflow (kg) 7347,3Vapour mass in vessel at end outflow (kg) 58,389Height of liquid at end outflow (m) 0,41548Fillingdegree at end outflow (%) 34,757Exit pressure at end outflow (bar) 1,0151Exit temperature at end outflow (°C) -161,67Maximum mass flow rate (kg/s) 72,37Representative release rate (kg/s) 9,1505Representative outflow duration (s) 1473Representative temperature (°C) -161,32Representative pressure at exit (bar) 1,0268Representative vapour mass fraction (%) 0,096589 Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 25/07/2013 16:39:11
POOL EVAPORATION Case description: B13_liquifier to tank - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.143 of E.425
Model: Pool evaporation version: 5.16 (07/11/2013) Reference: Yellow Book CPR14E 2rd Edition - Chapter 5: Evaporation compared to: B13_liquifier to tank - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) compared to: B13_liquifier to tank - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) compared to: B13_liquifier to tank - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) Parameters
Type of release Continuous Continuous Continuous ContinuousMass flow rate of the source (kg/s)
9,1505 9,1505 9,1505 9,1505
Duration of the release (s)
1473 1473 1473 1473
Total mass released (kg)
13479 13479 13479 13479
Height pool at t=0 Value pool height at t=0 (m)
Type of pool growth on Land
Spreading in bunds Spreading in bunds Spreading in bunds Spreading in bunds
Type of pool growth on Water
Temperature of the pool (°C)
19 19 19 19
Maximum pool surface area (m2)
2206 2206 2206 2206
Temperature of the subsoil (°C)
19 19 19 19
Temperature of the water (°C)
Max temperature difference between pool and water (K)
Wind speed at 10 m height (m/s)
3 9 5 2
Ambient temperature (°C)
19 19 19 19
Ambient relative humidity (%)
75 75 75 75
Solar radiation flux User defined User defined User defined User definedSolar heat radiation flux (W/m2)
100 100 100 100
Cloud cover (%) Date: day number Date: month number
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.144 of E.425
Date: year number Latitude of the location (deg)
Type of subsoil Heavy concrete Heavy concrete Heavy concrete Heavy concrete
Subsoil roughness description
flat sandy soil, concrete, tiles, plant-
yard
flat sandy soil, concrete, tiles, plant-
yard
flat sandy soil, concrete, tiles, plant-
yard
flat sandy soil, concrete, tiles, plant-
yardMaximum evaluation time for evaporation (s)
1800 1800 1800 1800
Results
B13_liquifier to tank -evaporation D3 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B13_liquifier to tank -
release)
B13_liquifier to tank - evaporation D9 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) - B13_liquifier to tank -
release)
B13_liquifier to tank -evaporation E5 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B13_liquifier to tank -
release)
B13_liquifier to tank -evaporation F2 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B13_liquifier to tank -
release)Heat flux from solar radiation (kW/m2)
0,1 0,1 0,1 0,1
Time pool spreading ends (s)
Time until pool has totally evaporated (s)
Purple book representative evaporation rate (kg/s)
8,6222 8,8372 8,7172 8,561
Purple book representative evaporation duration (s)
1530,9 1512,8 1523,1 1536
Representative temperature (°C)
-167,08 -173,37 -170,35 -164,05
Representative pool diameter (m)
28,781 24,871 27,18 29,822
Density after mixing with air (kg/m3)
1,3078 1,2581 1,2811 1,3332
Total evaporated mass (kg)
13200 13369 13277 13150
... duration evaporation time (s)
1799,5 1799,5 1799,5 1799,5
Corresponding representative pool surface area (m2)
650,59 485,83 580,21 698,49
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:20:02
ATMOSPHERIC DISPERSION Case description: B13_liquifier to tank - dispersion D3 (linked to Pool evaporation - B13_liquifier to tank - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.145 of E.425
Model: Dense Gas Dispersion: Explosive mass version: 5.13 (07/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B13_liquifier to tank - dispersion D9 (linked to Pool evaporation - B13_liquifier to tank - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)) compared to: B13_liquifier to tank - dispersion E5 (linked to Pool evaporation - B13_liquifier to tank - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)) compared to: B13_liquifier to tank - dispersion F2 (linked to Pool evaporation - B13_liquifier to tank - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)) Parameters
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative 75 75 75 75
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.146 of E.425
humidity (%) Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B13_liquifier to tank -dispersion D3 (linked to
Pool evaporation -B13_liquifier to tank -
evaporation D3 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B13_liquifier to tank -release))
B13_liquifier to tank -dispersion D9 (linked to
Pool evaporation -B13_liquifier to tank -
evaporation D9 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B13_liquifier to tank -release))
B13_liquifier to tank -dispersion E5 (linked to
Pool evaporation -B13_liquifier to tank -
evaporation E5 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B13_liquifier to tank -release))
B13_liquifier to tank -dispersion F2 (linked to
Pool evaporation -B13_liquifier to tank -
evaporation F2 (linked to Liquefied Gas
Bottom Discharge (TPDIS model) -
B13_liquifier to tank -release))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
0 0 0 460,15
...at time tmem (s)
0 0 0 1500
Start time where 95% of maximum of explosive mass is reached (s)
0 0 0 105,22
Time where explosive mass starts decreasing below 95% of max (s)
0 0 0 1536
Length of cloud (between LEL) at time tmem (m)
0 0 0 127,82
Width of cloud (between LEL) at time tmem (m)
0 0 0 42,894
Offset between release location and LEL at time tmem (m)
0 0 0 -15,957
Maximum area of explosive cloud (m2)
0 0 0 4607
...at time tmac (s) 0 0 0 1536
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.147 of E.425
Explosive mass at time tmac (kg)
0 0 0 460,15
Length of cloud (between LEL) at time tmac (m)
0 0 0 127,82
Width of cloud (between LEL) at time tmac (m)
0 0 0 42,894
Offset between release location and LEL at time tmac (m)
0 0 0 -15,957
Offset between release centre and cloud centre at time tmac (m)
0 0 0 47,953
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:20:54
16:42:11
EXPLOSION Case description: B13_liquifier to tank - uvce F2 LC1 (linked to Dense Gas Dispersion: Explosive mass - B13_liquifier to tank - dispersion F2 (linked to Pool evaporation - B13_liquifier to tank - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release))) Model: Explosion (Multi Energy model) version: 5.03 (25/06/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions Parameters Inputs Chemical name (DIPPR) METHANE (DIPPR)Ambient pressure (bar) 1,0151Total mass in explosive range (kg) 460,15Fraction of flammable cloud confined (%) 8Curve number 3 (Weak deflagration)Distance from release (Xd) (m) 50Offset between release point and cloud centre (m)
47,953
Threshold overpressure (mbar) 168X-coordinate of release (m) 0Y-coordinate of release (m) 0Predefined wind direction NWind comes from (North = 0 degrees) (deg)
0
Results Confined mass in explosive range (kg) 36,812Total combustion energy (MJ) 1841,7Peak overpressure at Xd (mbar) 17,35Peak dynamic pressure at Xd (mbar) 1,0151Pressure impulse at Xd (Pa*s) 135,96Positive phase duration at Xd (ms) 156,73
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.148 of E.425
Dist. from center mass of cloud at threshold overpressure (m)
-1E100
Blast-wave shape at Xd Pressure waveDamage (general description) at Xd No damage or very minor damage
Damage to brick houses at Xd Damage to roofs, ceilings, minor crack formation in plastering, more
than 1% damage to glass panels (1 - 1.5 kPa)Damage to typical American-style houses at Xd
No damage or very minor damage
Damage to structures (empirical) at Xd No damage or very minor damage Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:23:11
POOL FIRE Case description: B13_liquifier to tank - PFIRE D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) Model: Pool fire version: 5.11 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B13_liquifier to tank - PFIRE D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) compared to: B13_liquifier to tank - PFIRE E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) compared to: B13_liquifier to tank - PFIRE F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) Parameters
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.151 of E.425
Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 07/11/2013 9:24:32
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.152 of E.425
RISK ZONES CALCULATIONS B.01A FLASHF Case description: B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)) compared to: B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)) compared to: B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)) Parameters
Inputs
B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge(TPDIS model) -B01a_TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE))
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
3,0878E07 3,0878E07 3,0878E07 3,0878E07
Mass flow rate of the source (kg/s)
118,62 116,07 99,648 133,75
Duration of the release (s)
757,41 1565,7 1219,4 561,47
Initial liquid mass fraction (%)
Fixed pool surface (m2)
2206 2206 2206 2206
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.153 of E.425
coordinate (height) of release (m) Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE))
B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time
0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.154 of E.425
t (m) Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
5155 0 2985,6 3,2752E05
...at time tmem (s)
100 2000 1200 700
Start time where 95% of maximum of explosive mass is reached (s)
90,355 0 95 693,35
Time where explosive mass starts decreasing below 95% of max (s)
757,41 2000 1219,4 731,73
Length of cloud (between LEL) at time tmem (m)
275,68 0 269,9 1841
Width of cloud (between LEL) at time tmem (m)
73,367 0 71,114 1974,9
Offset between release location and LEL at time tmem (m)
-30,456 0 -29,729 71,699
Maximum area of explosive cloud (m2)
15595 0 14130 6,7748E05
...at time tmac (s)
757,41 1565,7 1219,4 700
Explosive 5155 0 2985,6 3,2752E05
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.155 of E.425
mass at time tmac (kg) Length of cloud (between LEL) at time tmac (m)
275,9 0 269,9 1841
Width of cloud (between LEL) at time tmac (m)
73,352 0 71,114 1974,9
Offset between release location and LEL at time tmac (m)
-30,456 0 -29,729 71,699
Offset between release centre and cloud centre at time tmac (m)
107,49 0 105,22 992,22
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,012352 0,048833
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:01:22 UVCE Case description: B01a_TANK_G1_D3_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01a_TANK_G1_D3_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_D3_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_D9_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_D9_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_D9_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.156 of E.425
B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_E5_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_E5_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_E5_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_F2_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_F2_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_F2_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Parameters
Inputs
B01a_TANK_G1_D3_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D3_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D3_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D9_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D9_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D9_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_E5_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_E5_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_E5_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_F2_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_F2_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_F2_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
Chemical name (DI
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.157 of E.425
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.158 of E.425
d cloud centre (m) Threshold overpressure (mbar)
170 360 900 170 360 900 170 360 900 160 360 900
X-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Y-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Predefined wind direction
N N N N N N N N N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0 0 0 0 0 0 0 0 0
Result
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
B01a_TANK_G1
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.159 of E.425
s _D3_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_D3_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_D3_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
_D9_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_D9_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_D9_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_E5_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
_E5_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_E5_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_F2_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
_F2_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
_F2_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.161 of E.425
wave shape at Xd
ZED ZED ZED
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed.
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed.
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed.
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.162 of E.425
Wall covering has fallen down (15 kPa).
Wall covering has fallen down (15 kPa).
Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connect
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connect
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connect
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.163 of E.425
ions between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ions between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ions between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 9:49:39 UVCE ED Case description: B01a_TANK_G1_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01a_TANK_G1_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01b_TANK_G1_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Parameters
Inputs
B01a_TANK_G1_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01b_TANK_G1_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
B01a_TANK_G1_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
B01b_TANK_G1_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01a_TANK_G1_RELEASE)))
Confined mass in explosive range (kg)
412,4 0 238,85 26201
Total combustion energy (MJ)
20633 -1E94 11950 1,3109E06
Peak 143,9 -1E98 119,14 206,07
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.165 of E.425
overpressure at Xd (mbar) Peak dynamic pressure at Xd (mbar)
20,924 -1E98 13,575 68,044
Pressure impulse at Xd (Pa*s)
843,2 -1E100 587,9 5106,8
Positive phase duration at Xd (ms)
117,2 -1E103 98,69 495,65
Dist. from center mass of cloud at threshold overpressure (m)
44,805 -1E100 37,347 178,78
Blast-wave shape at Xd
Pressure wave *** NOT INITIALIZED Pressure wave Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
Minor damage (Zone D:3.5 - 17 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
No damage or very minor damage
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.166 of E.425
(15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:13:23 PFIRE Case description: B01a_TANK_G1_PFIRE D3 RZ Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B01a_TANK_G1_PFIRE D9 RZ compared to: B01a_TANK_G1_PFIRE E5 RZ compared to: B01a_TANK_G1_PFIRE F2 RZ Parameters
Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
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Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results B01a_TANK_G1_PFIRE D3 RZ
B01a_TANK_G1_PFIRE D9 RZ
B01a_TANK_G1_PFIRE E5 RZ
B01a_TANK_G1_PFIRE F2 RZ
Max Diameter of the Pool Fire (m)
52,998 52,998 52,998 52,998
Heat radiation at X (kW/m2)
0,024267 0,016833 0,020802 0,026237
Heat radiation first contour at (m)
99,788 97,293 100,15 96,947
Heat radiation second contour at (m)
90,835 90,721 92,406 87,471
Heat radiation third contour at (m)
77,746 81,665 81,169 73,724
Combustion rate (kg/s)
172,07 172,07 172,07 172,07
Duration of the pool fire (s)
1,7945E05 1,7945E05 1,7945E05 1,7945E05
Heat emission from fire surface (kW/m2)
67,437 77,051 71,399 67,437
Flame tilt (deg)
40,884 56,324 48,526 34,492
View factor (%)
0,078803 0,046687 0,063139 0,085203
Atmospheric transmissivity (%)
45,663 46,794 46,143 45,663
Flame temperature (°C)
772,73 807,96 787,68 772,73
Height of the Flame (m)
57,115 46,034 52,082 57,115
Calculated pool surface area (m2)
2206 2206 2206 2206
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.169 of E.425
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:30:59
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.170 of E.425
B.01b FLASHF Case description: B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (06/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)) compared to: B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)) compared to: B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)) Parameters
Inputs
B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation -B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation -B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
3,0818E07 3,0818E07 3,0818E07 3,0818E07
Mass flow rate of the source (kg/s)
88,095 103,06 81,915 94,007
Duration of the release (s)
977,36 1674,9 1424,1 761,46
Initial liquid mass fraction (%)
Fixed pool surface (m2)
743,84 894,91 656,72 827,07
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of
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release (m) Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation -B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation -B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE))
Explosive mass at time t (kg)
0 72,098 0 0
Height to LEL at time t (m)
0 4 0 0
Length of 0 18,719 0 0
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cloud (between LEL) at time t (m) Width of cloud (between LEL) at time t (m)
0 40,156 0 0
Offset between release location and LEL at time t (m)
0 -18,587 0 0
Maximum explosive mass (kg)
5250,3 698,1 2295,8 8,3549E05
...at time tmem (s)
800 500 1400 800
Start time where 95% of maximum of explosive mass is reached (s)
97,97 95 95 794,96
Time where explosive mass starts decreasing below 95% of max (s)
977,36 1674,9 1424,1 805
Length of cloud (between LEL) at time tmem (m)
322,09 122,76 113,38 2306,5
Width of cloud (between LEL) at time tmem (m)
49,314 42,957 46,598 1582,6
Offset between release location and LEL at time tmem (m)
-18,379 -18,587 -17,229 -23,107
Maximum area of explosive cloud (m2)
11264 3958,2 4759,4 1,3723E06
...at time tmac (s)
977,36 1674,9 1424,1 800
Explosive mass at time tmac
5250,3 698,1 2295,8 8,3549E05
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.173 of E.425
(kg) Length of cloud (between LEL) at time tmac (m)
322,09 18,719 113,38 2306,5
Width of cloud (between LEL) at time tmac (m)
49,314 40,156 46,598 1582,6
Offset between release location and LEL at time tmac (m)
-18,379 -18,587 -17,229 -23,107
Offset between release centre and cloud centre at time tmac (m)
142,67 -9,2275 39,459 1130,1
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,012352 0,048833
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:14:37 UVCE Case description: B01b_TANK_G2_D3_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01b_TANK_G2_D3_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_D3_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_D9_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_D9_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_D9_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)))
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compared to: B01b_TANK_G2_E5_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_E5_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_E5_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_F2_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_F2_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_F2_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) Parameters
Inputs
B01b_TANK_G2_D3_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_D3_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_D3_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_D9_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_D9_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_D9_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_E5_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_E5_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation -B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_E5_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation -B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_F2_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_F2_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation -B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_F2_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation -B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
Chemical name (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.175 of E.425
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.176 of E.425
ud centre (m) Threshold overpressure (mbar)
170 360 900 170 360 900 170 360 900 170 360 900
X-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Y-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Predefined wind direction
N N N N N N N N N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0 0 0 0 0 0 0 0 0
Results
B01b_TANK_G2_D3_UVCE Z1
B01b_TANK_G2_D3_UVCE Z2
B01b_TANK_G2_D3_UVCE Z3
B01b_TANK_G2_D9_UVCE Z1
B01b_TANK_G2_D9_UVCE Z2
B01b_TANK_G2_D9_UVCE Z3
B01b_TANK_G2_E5_UVCE Z1
B01b_TANK_G2_E5_UVCE Z2
B01b_TANK_G2_E5_UVCE Z3
B01b_TANK_G2_F2_UVCE Z1
B01b_TANK_G2_F2_UVCE Z2
B01b_TANK_G2_F2_UVCE Z3
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.177 of E.425
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation -B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation -B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation -B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
(linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation -B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.179 of E.425
shape at Xd Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall coverin
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall coverin
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall coverin
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.180 of E.425
g has fallen down (15 kPa).
g has fallen down (15 kPa).
g has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.181 of E.425
steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 9:54:44 UVCE ED Case description: B01b_TANK_G1_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01b_TANK_G2_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) Parameters
Inputs
B01b_TANK_G1_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE)))
B01b_TANK_G2_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation -B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation -B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
B01b_TANK_G2_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation -B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)))
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.184 of E.425
damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakageof windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:13:57 PFIRE Case description: B01b_TANK_G2_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B01b_TANK_G2_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) compared to: B01b_TANK_G2_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) compared to: B01b_TANK_G2_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE) Parameters
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.185 of E.425
Inputs
B01b_TANK_G2_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)
B01b_TANK_G2_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)
B01b_TANK_G2_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)
B01b_TANK_G2_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)
Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results
B01b_TANK_G2_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)
B01b_TANK_G2_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE)
B01b_TANK_G2_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)
B01b_TANK_G2_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01_b_TANK_G2_RELEASE)
Max Diameter of the Pool Fire (m)
112,84 112,84 112,84 112,84
Heat radiation at X (kW/m2)
0,11465 0,083056 0,10169 0,12194
Heat radiation first contour at (m)
193,84 189,89 195,74 189,66
Heat radiation second contour at (m)
177,13 176,96 180,56 172,11
Heat radiation third contour at (m)
153,44 159,19 159,19 147,33
Combustion rate (kg/s)
780 780 780 780
Duration of the pool fire
39511 39511 39511 39511
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.188 of E.425
(s) Heat emission from fire surface (kW/m2)
78,846 87,066 80,77 78,846
Flame tilt (deg)
37,614 53,697 45,489 31,201
View factor (%)
0,30773 0,19824 0,26527 0,32729
Atmospheric transmissivity (%)
47,253 48,121 47,462 47,253
Flame temperature (°C)
814,17 841,32 820,71 814,17
Height of the Flame (m)
94,407 80,225 90,764 94,407
Calculated pool surface area (m2)
10000 10000 10000 10000
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:33:54
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.189 of E.425
B.01c FLASHF Case description: B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (21/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)) compared to: B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)) compared to: B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)) Parameters
Inputs
B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
3,078E07 3,078E07 3,078E07 3,078E07
Mass flow rate of the source (kg/s)
74,107 74,107 74,107 74,107
Duration of the release (s)
1086,9 1086,9 1086,9 1086,9
Initial liquid mass fraction (%)
Fixed pool surface (m2)
1020,4 1020,4 1020,4 1020,4
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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release (m) Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of 0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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cloud (between LEL) at time t (m) Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
3034,8 241,91 2737 9598,2
...at time tmem (s)
1000 500 800 900
Start timewhere 95% of maximum of explosive mass is reached (s)
95 95 95 497,41
Time where explosive mass starts decreasing below 95% of max (s)
1086,9 1086,9 1086,9 1086,9
Length of cloud (between LEL) at time tmem (m)
234,05 79,974 305,88 1089,3
Width of cloud (between LEL) at time tmem (m)
52,418 37,178 52,774 139,78
Offset between release location and LEL at time tmem (m)
-21,027 -18,377 -20,89 -21,886
Maximum area of explosive cloud (m2)
9142,9 2360,6 10202 18873
...at time tmac (s)
1086,9 1086,9 1086,9 1086,9
Explosive mass at time tmac
3034,8 241,91 2737 9598,2
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.192 of E.425
(kg) Length of cloud (between LEL) at time tmac (m)
234,05 18,372 305,88 1089,3
Width of cloud (between LEL) at time tmac (m)
52,418 34,313 52,774 139,78
Offset between release location and LEL at time tmac (m)
-21,027 -18,377 -20,89 -21,886
Offset between release centre and cloud centre at time tmac (m)
95,996 -9,1906 132,05 522,75
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,012352 0,048833
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:16:20 UVCE Case description: B01c_TANK_G3_D3_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01c_TANK_G3_D3_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_D3_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_D9_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_D9_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_D9_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_E5_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_E5_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_E5_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_F2_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_F2_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_F2_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) Parameters
Inputs
B01c_TANK_G3_D3_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_D3_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_D3_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_D9_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_D9_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_D9_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_E5_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_E5_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_E5_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_F2_UVCE Z1 (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_F2_UVCE Z2 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
B01c_TANK_G3_F2_UVCE Z3 (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)))
Chemical name (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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cription) at Xd
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structur
Minor damage to steel frames (8-10 kPa).
Minor damage to steel frames (8-10 kPa).
Minor damage to steel frames (8-10 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage to steel frames (8-10 kPa).
Minor damage to steel frames (8-10 kPa).
Minor damage to steel frames (8-10 kPa).
Walls made of concrete blocks have collapse
Walls made of concrete blocks have collapse
Walls made of concrete blocks have collapse
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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es (empirical) at Xd
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
d (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
d (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
d (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 10:44:13 UVCE ED Case description: B01c_TANK_G3_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01c_TANK_G3_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) Parameters
Inputs
B01c_TANK_G3_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -
B01c_TANK_G3_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -
B01c_TANK_G3_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -
B01c_TANK_G3_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -
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B01c_TANK_G3_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEA
B01c_TANK_G3_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEA
B01c_TANK_G3_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEA
B01c_TANK_G3_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass -B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEA
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SE))) SE))) SE))) SE))) Confined mass in explosive range (kg)
213,58 15,042 191,15 409,06
Total combustion energy (MJ)
10686 752,59 9563,4 20466
Peak overpressure at Xd (mbar)
114,71 48,506 110,69 143,49
Peak dynamic pressure at Xd (mbar)
12,474 1,4844 11,416 20,814
Pressure impulse at Xd (Pa*s)
546,5 99,315 508,89 838,58
Positive phase duration at Xd (ms)
95,281 40,949 91,948 116,89
Dist. from center mass of cloud at threshold overpressure (m)
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.202 of E.425
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:14:31 PFIRE Case description: B01b_TANK_G3_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE) Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B01b_TANK_G3_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE) compared to: B01b_TANK_G3_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE) compared to: B01b_TANK_G3_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE) Parameters
Inputs
B01b_TANK_G3_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)
B01b_TANK_G3_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)
B01b_TANK_G3_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)
B01b_TANK_G3_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)
Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results
B01b_TANK_G3_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)
B01b_TANK_G3_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE)
B01b_TANK_G3_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)
B01b_TANK_G3_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B01c_TANK_G3_RELEASE)
Max Diameter of the Pool Fire (m)
112,84 112,84 112,84 112,84
Heat radiation at X (kW/m2)
0,11465 0,083056 0,10169 0,12194
Heat radiation first contour at (m)
193,84 189,89 195,74 189,66
Heat radiation second contour at
177,13 176,96 180,56 172,11
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.205 of E.425
(m) Heat radiation third contour at (m)
153,44 159,19 159,19 147,33
Combustion rate (kg/s)
780 780 780 780
Duration of the pool fire (s)
39462 39462 39462 39462
Heat emission from fire surface (kW/m2)
78,846 87,066 80,77 78,846
Flame tilt (deg)
37,614 53,697 45,489 31,201
View factor (%)
0,30773 0,19824 0,26527 0,32729
Atmospheric transmissivity (%)
47,253 48,121 47,462 47,253
Flame temperature (°C)
814,17 841,32 820,71 814,17
Height of the Flame (m)
94,407 80,225 90,764 94,407
Calculated pool surface area (m2)
10000 10000 10000 10000
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:36:13
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.206 of E.425
B.02A FLASHF Case description: HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (21/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9) compared to: HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5) compared to: HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2) Parameters
Inputs
HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3)
HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9)
HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5)
HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2)
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
Mass flow rate of the source (kg/s)
1897,4 1897,4 1897,4 1897,4
Duration of the release (s)
88,987 88,987 88,987 88,987
Initial liquid mass fraction (%)
Fixed pool surface (m2)
29050 29050 29050 29050
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.207 of E.425
release (m) Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3)
HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9)
HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5)
HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2)
Explosive mass at time t (kg)
83051 0 1,0599E05 1,295E05
Height to LEL at time t (m)
30,9 0 48,9 14,2
Length of cloud (between
375,91 0 463,58 477,85
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.208 of E.425
LEL) at time t (m) Width of cloud (between LEL) at time t (m)
258,06 0 268,83 329,6
Offset between release location and LEL at time t (m)
114,38 0 82,945 -128,47
Maximum explosive mass (kg)
95753 35000 1,2303E05 1,303E05
...at time tmem (s)
100 80 100 100
Length of cloud (between LEL) at time tmem (m)
377,45 530,53 445,59 453,6
Width of cloud (between LEL) at time tmem (m)
267,16 218,5 288,05 324,59
Offset between release location and LEL at time tmem (m)
51,042 -102,87 -3,7793 -140,57
Maximum area of explosive cloud (m2)
84330 91561 1,126E05 2,7644E05
...at time tmac (s)
100 88,987 88,987 350
Explosive mass at time tmac (kg)
95753 35000 1,0534E05 53731
Length of cloud (between LEL) at time tmac (m)
377,45 530,53 487,5 611,5
Width of cloud (between LEL) at time tmac (m)
267,16 218,5 287,39 545,94
Offset between release
51,042 -102,87 -113,52 229,83
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.209 of E.425
location and LEL at time tmac (m) Offset between release centre and cloud centre at time tmac (m)
239,77 162,39 130,23 535,58
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:26:22 UVCE Case description: HARDARM_L1_L_UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L1_L_UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) compared to: HARDARM_L1_L_UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) compared to: HARDARM_L1_L_UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: HARDARM_L1_L_UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: HARDARM_L1_L_UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: HARDARM_L1_L_UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: HARDARM_L1_L_UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: HARDARM_L1_L_UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: HARDARM_L1_L_UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) compared to: HARDARM_L1_L_UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) compared to: HARDARM_L1_L_UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) Parameters
Inputs
HARDARM_L1_L_UVCE D3 Z1 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE D3 Z2 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE D3 Z3 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE D9 Z1 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE D9 Z2 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE D9 Z3 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE E5 Z1 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE E5 Z2 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE E5 Z3 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE F2 Z1 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE F2 Z2 (linked to Dense Gas Dispersi
HARDARM_L1_L_UVCE F2 Z3 (linked to Dense Gas Dispersi
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.210 of E.425
on: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
on: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
on: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
on: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
on: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
on: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
on: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
on: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
on: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
on: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
on: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
on: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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se (m) Predefined wind direction
N N N N N N N N N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0 0 0 0 0 0 0 0 0
Results
HARDARM_L1_L_UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
HARDARM_L1_L_UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
HARDARM_L1_L_UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
HARDARM_L1_L_UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
HARDARM_L1_L_UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
HARDARM_L1_L_UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
HARDARM_L1_L_UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
HARDARM_L1_L_UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
HARDARM_L1_L_UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
HARDARM_L1_L_UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
HARDARM_L1_L_UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
HARDARM_L1_L_UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed,
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.215 of E.425
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate tominor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.216 of E.425
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 9:21:45 UVCE ED Case description: HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: HARDARM_L1_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) Parameters
Inputs
HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
HARDARM_L1_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.217 of E.425
centre (m) Threshold overpressure (mbar)
160 160 160 160
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
HARDARM_L1_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
Confined mass in explosive range (kg)
7660 2800 8427,4 4298,5
Total combustion energy (MJ)
3,8324E05 1,4009E05 4,2163E05 2,1506E05
Peak overpressure at Xd (mbar)
186,89 135,85 191,52 156,71
Peak dynamic pressure at Xd (mbar)
39,917 18,348 42,915 25,521
Pressure impulse at Xd (Pa*s)
2885,9 1511,4 3052,3 2001,1
Positive phase
308,84 222,52 318,75 255,38
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.218 of E.425
duration at Xd (ms) Dist. from center mass of cloud at threshold overpressure (m)
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 12:06:29 PFIRE Case description: HARDARM_L1_L_PFIRE D3 RZ Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: HARDARM_L1_L_PFIRE D9 RZ compared to: HARDARM_L1_L_PFIRE E5 RZ compared to: HARDARM_L1_L_PFIRE F2 RZ Parameters
Inputs HARDARM_L1_L_PFIRE D3 RZ
HARDARM_L1_L_PFIRE D9 RZ
HARDARM_L1_L_PFIRE E5 RZ
HARDARM_L1_L_PFIRE F2 RZ
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.219 of E.425
Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results HARDARM_L1_L_PFIRE D3 RZ
HARDARM_L1_L_PFIRE D9 RZ
HARDARM_L1_L_PFIRE E5 RZ
HARDARM_L1_L_PFIRE F2 RZ
Max Diameter of the Pool Fire (m)
112,84 112,84 112,84 112,84
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.221 of E.425
Heat radiation at X (kW/m2)
0,11465 0,083056 0,10169 0,12194
Heat radiation first contour at (m)
193,84 189,89 195,74 189,66
Heat radiation second contour at (m)
177,13 176,96 180,56 172,11
Heat radiation third contour at (m)
153,44 159,19 159,19 147,33
Combustion rate (kg/s)
780 780 780 780
Duration of the pool fire (s)
24,741 24,741 24,741 24,741
Heat emission from fire surface (kW/m2)
78,846 87,066 80,77 78,846
Flame tilt (deg)
37,614 53,697 45,489 31,201
View factor (%)
0,30773 0,19824 0,26527 0,32729
Atmospheric transmissivity (%)
47,253 48,121 47,462 47,253
Flame temperature (°C)
814,17 841,32 820,71 814,17
Height of the Flame (m)
94,407 80,225 90,764 94,407
Calculated pool surface area (m2)
10000 10000 10000 10000
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.222 of E.425
Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:47:38
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.223 of E.425
B.02B FLASHF Case description: HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (19/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9) compared to: HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5) compared to: HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2) Parameters
Inputs
HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3)
HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9)
HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5)
HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2)
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
Mass flow rate of the source (kg/s)
89,069 89,069 89,069 89,069
Duration of the release (s)
126,64 126,64 126,64 126,64
Initial liquid mass fraction (%)
Fixed pool surface (m2)
1363,7 1363,7 1363,7 1363,7
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.224 of E.425
release (m) Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3)
HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9)
HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5)
HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2)
Explosive mass at time t (kg)
3548,4 242,34 3208 7152
Height to LEL at time t (m)
11,2 4,8 8,6 22,8
Length of cloud (between
227,39 79,558 300,58 99,999
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.225 of E.425
LEL) at time t (m) Width of cloud (between LEL) at time t (m)
59,721 39,748 59,49 131,1
Offset between release location and LEL at time t (m)
-24,116 -19,405 -23,94 -25,165
Maximum explosive mass (kg)
3548,9 242,37 3208 7311,5
...at time tmem (s)
80 10 120 125
Start time where 95% of maximum of explosive mass is reached (s)
68,149 9,5 61,777 104,53
Time where explosive mass starts decreasing below 95% of max (s)
126,64 126,64 126,64 127,82
Length of cloud (between LEL) at time tmem (m)
215,92 79,552 300,58 99,999
Width of cloud (between LEL) at time tmem (m)
59,276 39,748 59,49 131,1
Offset between release location and LEL at time tmem (m)
-24,116 -19,405 -23,94 -25,165
Maximum area of explosive cloud (m2)
13636 2524,4 12857 28278
...at time tmac (s)
130 126,64 130 250
Explosive 3067,5 242,34 1814,7 2837,5
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.226 of E.425
mass at time tmac (kg) Length of cloud (between LEL) at time tmac (m)
320,02 79,558 502,13 123,92
Width of cloud (between LEL) at time tmac (m)
63,344 39,748 36,488 300,84
Offset between release location and LEL at time tmac (m)
-8,0251 -19,405 -11,317 229,56
Offset between release centre and cloud centre at time tmac (m)
151,98 20,374 239,75 291,52
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:27:18 UVCE Case description: HARDARM_L2_L_UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L2_L_UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3)) compared to: HARDARM_L2_L_UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3)) compared to: HARDARM_L2_L_UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9)) compared to: HARDARM_L2_L_UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9)) compared to: HARDARM_L2_L_UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9)) compared to: HARDARM_L2_L_UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.227 of E.425
HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) compared to: HARDARM_L2_L_UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) compared to: HARDARM_L2_L_UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) Parameters
Inputs
HARDARM_L2_L_UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3))
HARDARM_L2_L_UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3))
HARDARM_L2_L_UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3))
HARDARM_L2_L_UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9))
HARDARM_L2_L_UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9))
HARDARM_L2_L_UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9))
HARDARM_L2_L_UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
HARDARM_L2_L_UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
HARDARM_L2_L_UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
HARDARM_L2_L_UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
HARDARM_L2_L_UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
HARDARM_L2_L_UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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iption) at Xd
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or veryminor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 9:26:44 UVCE ED Case description: HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.233 of E.425
Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9)) compared to: HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) Parameters
Inputs
HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3))
HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9))
HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.234 of E.425
(m) Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3))
HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9))
HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Confined mass in explosive range (kg)
245,4 19,387 145,18 227
Total combustion energy (MJ)
12278 969,98 7263,4 11357
Peak overpressure at Xd (mbar)
60,772 25,904 51,851 59,221
Peak dynamic pressure at Xd (mbar)
2,631 1,0151 1,7118 2,4677
Pressure impulse at Xd (Pa*s)
310,81 58,124 224,51 295,27
Positive phase duration at Xd (ms)
102,29 44,876 86,599 99,718
Dist. from center mass of cloud at threshold overpressure (m)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.235 of E.425
description) at Xd
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 12:09:37 PFIRE Case description: HARDARM_L2_L_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy) Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: HARDARM_L2_L_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy) compared to: HARDARM_L2_L_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy) compared to: HARDARM_L2_L_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy) Parameters
Inputs
HARDARM_L2_L_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
HARDARM_L2_L_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
HARDARM_L2_L_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
HARDARM_L2_L_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results
HARDARM_L2_L_PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
HARDARM_L2_L_PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
HARDARM_L2_L_PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
HARDARM_L2_L_PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - ship-shore b rev release copy)
Max Diameter of the Pool Fire (m)
112,84 112,84 112,84 112,84
Heat radiation at X (kW/m2)
0,11465 0,083056 0,10169 0,12194
Heat radiation first contour at (m)
193,84 189,89 195,74 189,66
Heat radiation second contour at (m)
177,13 176,96 180,56 172,11
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.238 of E.425
Heat radiation third contour at (m)
153,44 159,19 159,19 147,33
Combustion rate (kg/s)
780 780 780 780
Duration of the pool fire (s)
5,1167E-06 5,1167E-06 5,1167E-06 5,1167E-06
Heat emission from fire surface (kW/m2)
78,846 87,066 80,77 78,846
Flame tilt (deg)
37,614 53,697 45,489 31,201
View factor (%)
0,30773 0,19824 0,26527 0,32729
Atmospheric transmissivity (%)
47,253 48,121 47,462 47,253
Flame temperature (°C)
814,17 841,32 820,71 814,17
Height of the Flame (m)
94,407 80,225 90,764 94,407
Calculated pool surface area (m2)
10000 10000 10000 10000
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:48:02
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.239 of E.425
B.03A FLASHF Case description: B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (06/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9) compared to: B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5) compared to: B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2) Parameters
Inputs B03a DISP D3 (linked to Pool evaporation -B03a EVAP D3)
B03a DISP D9 (linked to Pool evaporation -B03a EVAP D9)
B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)
B03a DISP F2 (linked to Pool evaporation -B03a EVAP F2)
Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Type of release Evaporating pool release
Evaporating pool release
Evaporating pool release
Evaporating pool release
Total mass released (kg) Mass flow rate of the source (kg/s)
774,5 774,5 774,5 774,5
Duration of the release (s)
54,938 54,938 54,938 54,938
Initial liquid mass fraction (%)
Fixed pool surface (m2) 8759,1 8759,1 8759,1 8759,1 Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data Pasquill Pasquill Pasquill Pasquill Pasquill stability class D (Neutral) D (Neutral) E (Stable) F (Very Stable) Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction User defined User defined User defined User defined Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results B03a DISP D3 (linked to Pool evaporation -B03a EVAP D3)
B03a DISP D9 (linked to Pool evaporation -B03a EVAP D9)
B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)
B03a DISP F2 (linked to Pool evaporation -B03a EVAP F2)
Explosive mass at time t (kg)
7228,8 0 0 28734
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.240 of E.425
Height to LEL at time t (m)
21,7 0 0 27
Length of cloud (between LEL) at time t (m)
208,55 0 0 302,55
Width of cloud (between LEL) at time t (m)
85,284 0 0 91,93
Offset between release location and LEL at time t (m)
234,22 0 0 13,807
Maximum explosive mass (kg)
24411 8987,6 29489 32372
...at time tmem (s) 50 30 60 75 Start time where 95% of maximum of explosive mass is reached (s)
-1E100 24,509 50,255 -1E100
Time where explosive mass starts decreasing below 95% of max (s)
54,938 54,938 61,44 54,938
Length of cloud (between LEL) at time tmem (m)
235,09 293,33 183,64 242,62
Width of cloud (between LEL) at time tmem (m)
150,49 121,52 162,02 108,9
Offset between release location and LEL at time tmem (m)
-17,351 -55,127 -11,818 -40,724
Maximum area of explosive cloud (m2)
29801 28143 31642 52817
...at time tmac (s) 50 54,938 54,938 300 Explosive mass at time tmac (kg)
24411 8985,2 27975 8896,7
Length of cloud (between LEL) at time tmac (m)
235,09 296,96 218,62 392,69
Width of cloud (between LEL) at time tmac (m)
150,49 121,03 160,9 169,42
Offset between release location and LEL at time tmac (m)
-17,351 -55,127 -61,747 318,66
Offset between release centre and cloud centre at time tmac (m)
100,19 93,352 47,564 515,01
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,0081 0,0385
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10: UVCE Case description: B03a UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B03a UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3)) compared to: B03a UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3)) compared to: B03a UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9)) compared to: B03a UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.241 of E.425
compared to: B03a UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9)) compared to: B03a UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)) compared to: B03a UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)) compared to: B03a UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)) compared to: B03a UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2)) compared to: B03a UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2)) compared to: B03a UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2)) Parameters
Inputs
B03a UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP D3 (linked to Pool evaporation -B03a EVAP D3))
B03a UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP D3 (linked to Pool evaporation -B03a EVAP D3))
B03a UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3))
B03a UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP D9 (linked to Pool evaporation -B03a EVAP D9))
B03a UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP D9 (linked to Pool evaporation -B03a EVAP D9))
B03a UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP D9 (linked to Pool evaporation -B03a EVAP D9))
B03a UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5))
B03a UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP E5 (linked to Pool evaporation -B03a EVAP E5))
B03a UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5))
B03a UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP F2 (linked to Pool evaporation -B03a EVAP F2))
B03a UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2))
B03a UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -B03a DISP F2 (linked to Pool evaporation -B03a EVAP F2))
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Not habitable without major repair works. Partial roof failures, 25% of all brick walls
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.244 of E.425
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.245 of E.425
tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 11:44:16 UVCE ED Case description: B03a UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.246 of E.425
compared to: B03a UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9)) compared to: B03a UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)) compared to: B03a UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2)) Parameters
Inputs
B03a UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3))
B03a UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9))
B03a UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5))
B03a UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2))
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.248 of E.425
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:43:01 PFIRE Case description: B03a PFIRE D3 RZ Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B03a PFIRE D9 RZ compared to: B03a PFIRE E5 RZ compared to: B03b PFIRE F2 RZ Parameters
Inputs B03a PFIRE D3 RZ
B03a PFIRE D9 RZ
B03a PFIRE E5 RZ
B03b PFIRE F2 RZ
Chemical name (DIPPR) METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Pool size determination Confined Confined Confined Confined Total mass released (kg) 42630 42630 42630 261,6 Mass flow rate of the source (kg/s) Duration of the release (s) Pool surface poolfire (m2) 10000 10000 10000 62 Height of the observer position above ground level (m)
0 0 0 0
Height of the confined pool above ground level (m)
0 0 0 0
Hole diameter (mm) Discharge coefficient (-) Initial height of the liquid above release point (m)
Cross-sectional area of the tank (m2) Pool thickness (mm) Temperature of the pool (°C) -161,15 -161,15 -161,15 -161,15 Pool burning rate Calculate/Default Calculate/Default Calculate/Default Calculate/Default Value of pool burning rate (kg/m2*s) Fraction combustion heat radiated (%) 35 35 35 35 Soot Fraction Calculate/Default Calculate/Default Calculate/Default Calculate/Default Value of soot fraction (-) Wind speed at 10 m height (m/s) 3 9 5 2 Ambient temperature (°C) 19 19 19 19 Ambient relative humidity (%) 75 75 75 75 Amount of CO2 in atmosphere (%) 0,03 0,03 0,03 0,03 Distance from the centre of the pool (m)
1000 1000 1000 1000
Exposure duration to heat radiation (s) 20 20 20 20 Take protective effects of clothing into account
No No No No
X-coordinate of release (m) 0 0 0 0 Y-coordinate of release (m) 0 0 0 0 Predefined wind direction User defined User defined User defined User defined Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Calculate all contours for Physical effects Physical effects Physical effects Physical effects Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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calculations (%)
Results
B03a PFIRE D3 RZ
B03a PFIRE D9 RZ
B03a PFIRE E5 RZ
B03b PFIRE F2 RZ
Max Diameter of the Pool Fire (m) 112,84 112,84 112,84 8,8849 Heat radiation at X (kW/m2) 0,11465 0,083056 0,10169 0,00074604 Heat radiation first contour at (m) 193,84 189,89 195,74 20,027 Heat radiation second contour at (m) 177,13 176,96 180,56 17,79 Heat radiation third contour at (m) 153,44 159,19 159,19 13,998 Combustion rate (kg/s) 780 780 780 4,836 Duration of the pool fire (s) 54,654 54,654 54,654 54,094 Heat emission from fire surface (kW/m2)
78,846 87,066 80,77 47,584
Flame tilt (deg) 37,614 53,697 45,489 42,233 View factor (%) 0,30773 0,19824 0,26527 0,0036322 Atmospheric transmissivity (%) 47,253 48,121 47,462 43,165 Flame temperature (°C) 814,17 841,32 820,71 686,03 Height of the Flame (m) 94,407 80,225 90,764 16,99 Calculated pool surface area (m2) 10000 10000 10000 62 Weight ratio of HCL/chemical (%) 0 0 0 0 Weight ratio of NO2/chemical (%) 0 0 0 0 Weight ratio of SO2/chemical (%) 0 0 0 0 Weight ratio of CO2/chemical (%) 274,4 274,4 274,4 274,4 Weight ratio of H2O/chemical (%) 224,69 224,69 224,69 224,69 Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:52:37
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.250 of E.425
B.03B FLASHF Case description: B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (06/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9) compared to: B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5) compared to: B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2) Parameters
Inputs B03b DISP D3 (linked to Pool evaporation -B03b EVAP D3)
B03b DISP D9 (linked to Pool evaporation -B03b EVAP D9)
B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5)
B03b DISP F2 (linked to Pool evaporation -B03b EVAP F2)
Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Type of release Evaporating pool release
Evaporating poolrelease
Evaporating pool release
Evaporating pool release
Total mass released (kg) Mass flow rate of the source (kg/s)
36,671 36,671 36,671 36,671
Duration of the release (s)
7,2048 7,2048 7,2048 7,2048
Initial liquid mass fraction (%)
Fixed pool surface (m2) 62 62 62 62 Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
14,4 14,4 14,4 14,4
Meteorological data Pasquill Pasquill Pasquill Pasquill Pasquill stability class D (Neutral) D (Neutral) E (Stable) F (Very Stable) Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction User defined User defined User defined User defined Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Ambient relative humidity (%)
77 77 77 77
Roughness length description
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Regular large obstacle coverage (suburb or forest).
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results B03b DISP D3 (linked to Pool evaporation -B03b EVAP D3)
B03b DISP D9 (linked to Pool evaporation -B03b EVAP D9)
B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5)
B03b DISP F2 (linked to Pool evaporation -B03b EVAP F2)
Explosive mass at time t (kg)
0 0 0 -1E100
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Height to LEL at time t (m)
0 0 0 -1E100
Length of cloud (between LEL) at time t (m)
0 0 0 -1E100
Width of cloud (between LEL) at time t (m)
0 0 0 -1E100
Offset between release location and LEL at time t (m)
0 0 0 -1E100
Maximum explosive mass (kg)
196,31 180,62 194,24 -1E100
...at time tmem (s) 7,5 7 7,5 -1E100 Start time where 95% of maximum of explosive mass is reached (s)
-1E100 6,4346 -1E100 -1E100
Time where explosive mass starts decreasing below 95% of max (s)
7,2048 8,2784 7,2048 -1E100
Length of cloud (between LEL) at time tmem (m)
27,474 34,656 33,691 -1E100
Width of cloud (between LEL) at time tmem (m)
14,767 14,82 14,773 -1E100
Offset between release location and LEL at time tmem (m)
-6,6877 -5,2709 -5,6714 -1E100
Maximum area of explosive cloud (m2)
401,46 495,91 478,28 -1E100
...at time tmac (s) 15 8 12,5 -1E100 Explosive mass at time tmac (kg)
152,77 179,75 151,83 0
Length of cloud (between LEL) at time tmac (m)
36,114 38,845 43,125 -1E100
Width of cloud (between LEL) at time tmac (m)
13,786 15,198 13,769 -1E100
Offset between release location and LEL at time tmac (m)
1,9316 -1,695 2,7495 -1E100
Offset between release centre and cloud centre at time tmac (m)
19,989 17,728 24,312 -1,5E100
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,0081 0
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:29:17 UVCE Case description: B03b UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B03b UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3)) compared to: B03b UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3)) compared to: B03b UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9)) compared to: B03b UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.252 of E.425
Pool evaporation - B03b EVAP D9)) compared to: B03b UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9)) compared to: B03b UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2)) compared to: B03b UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2)) compared to: B03b UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2)) Parameters
Inputs
B03b UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3))
B03b UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3))
B03b UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3))
B03b UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP D9 (linked to Pool evaporation - B03bEVAP D9))
B03b UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9))
B03b UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9))
B03b UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2))
B03b UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2))
B03b UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2))
Damage to Habitable Habitable Habitable Habitable Habitable Habitable No No No
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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brick houses at Xd
after relatively easy repairs. Minor structural damage (3 kPa).
after relatively easy repairs. Minor structural damage (3 kPa).
after relatively easy repairs. Minor structural damage (3 kPa).
after relatively easy repairs. Minor structural damage (3 kPa).
after relatively easy repairs. Minor structural damage (3 kPa).
after relatively easy repairs. Minor structural damage (3 kPa).
damage or very minor damage
damage or very minor damage
damage or very minor damage
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 11:45:56 UVCE ED Case description: B03b UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B03b UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9)) compared to: B03b UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5)) compared to: B03b UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2)) Parameters
Inputs
B03b UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3))
B03b UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9))
B03b UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5))
B03b UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2))
Curve number 5 (Medium deflagration) 5 (Medium deflagration) 5 (Medium deflagration) 5 (Medium deflagration) Distance from release (Xd) (m)
50 50 50 50
Offset between release point and cloud centre (m)
19,989 17,728 24,312 -1,5E100
Threshold 160 160 160 160
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overpressure (mbar) X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
User defined User defined User defined User defined
Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Results
B03b UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3))
B03b UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9))
B03b UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5))
B03b UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2))
Confined mass in explosive range (kg)
12,222 14,38 12,147 0
Total combustion energy (MJ)
611,48 719,46 607,7 -1E94
Peak overpressure at Xd (mbar)
44,536 47,613 44,432 -1E98
Peak dynamic pressure at Xd (mbar)
1,2367 1,4296 1,2296 -1E98
Pressure impulse at Xd (Pa*s)
85,25 96,169 84,877 -1E100
Positive phase duration at Xd (ms)
38,284 40,396 38,206 -1E103
Dist. from center mass of cloud at threshold overpressure (m)
13,865 14,638 13,837 -1E100
Blast-wave shape at Xd
Pressure wave Pressure wave Pressure wave *** NOT INITIALIZED
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
No damage or very minor damage
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:43:37 PFIRE
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.256 of E.425
Case description: B03b PFIRE D3 RZ Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B03b PFIRE D9 RZ compared to: B03b PFIRE E5 RZ compared to: B03b PFIRE F2 RZ Parameters
Inputs B03b PFIRE D3 RZ
B03b PFIRE D9 RZ
B03b PFIRE E5RZ
B03b PFIRE F2 RZ
Chemical name (DIPPR) METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Pool size determination Confined Confined Confined Confined Total mass released (kg) 261,6 261,6 261,6 261,6 Mass flow rate of the source (kg/s) Duration of the release (s) Pool surface poolfire (m2) 62 62 62 62 Height of the observer position above ground level (m)
0 0 0 0
Height of the confined pool above ground level (m)
0 0 0 0
Hole diameter (mm) Discharge coefficient (-) Initial height of the liquid above release point (m)
Cross-sectional area of the tank (m2) Pool thickness (mm) Temperature of the pool (°C) -161,15 -161,15 -161,15 -161,15 Pool burning rate Calculate/Default Calculate/Default Calculate/Default Calculate/Default Value of pool burning rate (kg/m2*s) Fraction combustion heat radiated (%) 35 35 35 35 Soot Fraction Calculate/Default Calculate/Default Calculate/Default Calculate/Default Value of soot fraction (-) Wind speed at 10 m height (m/s) 3 9 5 2 Ambient temperature (°C) 19 19 19 19 Ambient relative humidity (%) 75 75 75 75 Amount of CO2 in atmosphere (%) 0,03 0,03 0,03 0,03 Distance from the centre of the pool (m)
1000 1000 1000 1000
Exposure duration to heat radiation (s) 20 20 20 20 Take protective effects of clothing into account
No No No No
X-coordinate of release (m) 0 0 0 0 Y-coordinate of release (m) 0 0 0 0 Predefined wind direction User defined User defined User defined User defined Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Calculate all contours for Physical effects Physical effects Physical effects Physical effects Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results B03b PFIRE D3 RZ
B03b PFIRE D9 RZ
B03b PFIRE E5 RZ
B03b PFIRE F2 RZ
Max Diameter of the Pool Fire (m) 8,8849 8,8849 8,8849 8,8849 Heat radiation at X (kW/m2) 0,0006517 0,00042763 0,00053985 0,00074604 Heat radiation first contour at (m) 20,987 20,929 21,394 20,027 Heat radiation second contour at (m) 18,759 19,205 19,304 17,79
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Heat radiation third contour at (m) 15,53 17,552 16,941 13,998 Combustion rate (kg/s) 4,836 4,836 4,836 4,836 Duration of the pool fire (s) 54,094 54,094 54,094 54,094 Heat emission from fire surface (kW/m2)
50,042 57,532 53,369 47,584
Flame tilt (deg) 48,267 61,915 55,145 42,233 View factor (%) 0,003 0,0016828 0,0023132 0,0036322 Atmospheric transmissivity (%) 43,41 44,17 43,728 43,165 Flame temperature (°C) 698,08 732,27 713,71 686,03 Height of the Flame (m) 15,603 12,388 14,016 16,99 Calculated pool surface area (m2) 62 62 62 62 Weight ratio of HCL/chemical (%) 0 0 0 0 Weight ratio of NO2/chemical (%) 0 0 0 0 Weight ratio of SO2/chemical (%) 0 0 0 0 Weight ratio of CO2/chemical (%) 274,4 274,4 274,4 274,4 Weight ratio of H2O/chemical (%) 224,69 224,69 224,69 224,69 Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:53:15
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B04A JFIRE Case description: B04a_D3 Model: Gas Jet Fire (Chamberlain model) version: 5.12 (06/11/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B04a_D9 compared to: B04a_E5 compared to: B04a_F2 Parameters Inputs B04a_D3 B04a_D9 B04a_E5 B04a_F2 Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Type of release Release from vessel through (a hole in) pipe
Flame temperature (°C) 926,85 926,85 926,85 926,85 Amount of CO2 in atmosphere (%)
0,03 0,03 0,03 0,03
Percentage of the flame covered by soot (%)
0 0 0 0
Distance from release (Xd) (m)
100 100 100 100
X-coordinate of release (m) 0 0 0 0 Y-coordinate of release (m) 0 0 0 0 Predefined wind direction User defined User defined User defined User defined Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Results B04a_D3 B04a_D9 B04a_E5 B04a_F2 Initial source strength (kg/s) 3,3751 3,3751 3,3751 3,3751 Type of flow of the jet Unchoked flow Unchoked flow Unchoked flow Unchoked flow Exit velocity of expanding jet (m/s)
28,824 28,824 28,824 28,824
Angle between hole and flame axis (alpha) (deg)
0 16,056 1,5266 0
Frustum lift off height (b) (m) 6,21 0,37833 0,55996 6,939 Width of frustum base (W1) (m)
3,0683 1,256 2,203 3,6564
Width of frustum tip (W2) (m)
13,905 10,274 12,028 15,024
Length of frustum (flame) (Rl) (m)
24,84 23,948 26,409 27,756
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.259 of E.425
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:32:17 FLASHF Case description: HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (25/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9) compared to: HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5) compared to: HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2) Parameters
Inputs
HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3)
HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9)
HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5)
HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2)
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
Mass flow rate of the source (kg/s)
1022,1 1022,1 1022,1 1022,1
Duration of the release (s)
165,32 165,32 165,32 165,32
Initial liquid mass fraction
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.260 of E.425
(%) Fixed pool surface (m2)
10000 10000 10000 10000
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
120 120 120 120
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.261 of E.425
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3)
HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9)
HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5)
HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2)
Explosive mass at time t (kg)
89932 20467 54341 94021
Height to LEL at time t (m)
41,2 14,8 46,9 10,5
Length of cloud (between LEL) at time t (m)
332 451,86 262,22 427,26
Width of cloud (between LEL) at time t (m)
178,32 146,06 181,66 292,22
Offset between release location and LEL at time t (m)
-67,623 -63,147 -67,576 -127,38
Maximum explosive mass (kg)
1,1043E05 20467 94059 1,3065E05
...at time tmem (s)
175 150 175 175
Start time where 95% of maximum of explosive mass is reached (s)
143,95 44,841 172,04 -1E100
Time where explosive mass starts decreasing below 95% of max (s)
180,54 165,32 179,2 165,32
Length of cloud (between
522,64 451,86 958,87 526,18
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.262 of E.425
LEL) at time tmem (m) Width of cloud (between LEL) at time tmem (m)
160,43 146,06 320,41 339,57
Offset between release location and LEL at time tmem (m)
1,121 -63,147 -40,879 -119,73
Maximum area of explosive cloud (m2)
56523 49218 1,0773E05 1,4939E05
...at time tmac (s)
175 165,32 225 175
Explosive mass at time tmac (kg)
1,1043E05 20467 27525 1,3065E05
Length of cloud (between LEL) at time tmac (m)
522,64 451,86 383,05 526,18
Width of cloud (between LEL) at time tmac (m)
160,43 146,06 373,76 339,57
Offset between release location and LEL at time tmac (m)
1,121 -63,147 758,01 -119,73
Offset between release centre and cloud centre at time tmac (m)
262,44 162,78 949,54 143,36
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.263 of E.425
Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:30:04 UVCE Case description: B04A - UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B04A - UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) compared to: B04A - UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) compared to: B04A - UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: B04A - UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: B04A - UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: B04A - UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: B04A - UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: B04A - UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: B04A - UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) compared to: B04A - UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) compared to: B04A - UVCEF2 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) Parameters
Inputs
B04A -UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04A -UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04A -UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04A -UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04A -UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04A -UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04A -UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
B04A -UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
B04A -UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
B04A -UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
B04A -UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
B04A -UVCEF2 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
Chemical name (DI
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.264 of E.425
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.265 of E.425
point and cloud centre (m) Threshold overpressure (mbar)
170 360 900 170 360 900 170 360 900 170 360 900
X-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Y-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Predefined wind direction
N N N N N N N N N N N N
Wind comes from (North = 0
0 0 0 0 0 0 0 0 0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.266 of E.425
degrees) (deg)
Results
B04A -UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04A -UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04A -UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04A -UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04A -UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04A -UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04A -UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
B04A -UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
B04A -UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked toPool evaporation -HARDARM_L1_L_EVAPORATION E5))
B04A -UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
B04A -UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
B04A -UVCEF2 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.268 of E.425
ressure (m) Blast-wave shape at Xd
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Damage (general description) at Xd
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C:17 - 35 kPa).
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical America
Moderate to minor damage. Deformed walls and doors; failure of
Moderate to minor damage. Deformed walls and doors; failure of
Moderate to minor damage. Deformed walls and doors; failure of
Minor damage. Comparable to a damage due to a storm; wooden walls
Minor damage. Comparable to a damage due to a storm; wooden walls
Minor damage. Comparable to a damage due to a storm; wooden walls
Minor damage. Comparable to a damage due to a storm; wooden walls
Minor damage. Comparable to a damage due to a storm; wooden walls
Minor damage. Comparable to a damage due to a storm; wooden walls
Moderate to minor damage. Deformed walls and doors; failure of
Moderate to minor damage. Deformed walls and doors; failure of
Moderate to minor damage. Deformed walls and doors; failure of
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.269 of E.425
n-style houses at Xd
joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
fail, breakage of windows (7-10 kPa).
fail, breakage of windows (7-10 kPa).
fail, breakage of windows (7-10 kPa).
fail, breakage of windows (7-10 kPa).
fail, breakage of windows (7-10 kPa).
fail, breakage of windows (7-10 kPa).
joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 10:59:54 UVCE ED Case description: HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.270 of E.425
compared to: HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) Parameters
Inputs
HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.271 of E.425
(North = 0 degrees) (deg)
Results
HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION E5))
HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Confined mass in explosive range (kg)
8834,6 1637,3 2202 227
Total combustion energy (MJ)
4,4201E05 81918 1,1017E05 11357
Peak overpressure at Xd (mbar)
193,85 113,15 125 59,221
Peak dynamic pressure at Xd (mbar)
44,49 12,063 15,101 2,4677
Pressure impulse at Xd (Pa*s)
3138,1 1063,5 1289,8 295,27
Positive phase duration at Xd (ms)
323,77 187,97 206,36 99,718
Dist. from center mass of cloud at threshold overpressure (m)
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.272 of E.425
the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:47:54 PFIRE Case description: HARDARM_L1_L_PFIRE D3 RZ Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: HARDARM_L1_L_PFIRE D9 RZ compared to: HARDARM_L1_L_PFIRE E5 RZ compared to: HARDARM_L1_L_PFIRE F2 RZ Parameters
Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results HARDARM_L1_L_PFIRE D3 RZ
HARDARM_L1_L_PFIRE D9 RZ
HARDARM_L1_L_PFIRE E5 RZ
HARDARM_L1_L_PFIRE F2 RZ
Max Diameter of the Pool Fire (m)
115,17 115,17 115,17 115,17
Heat radiation at X (kW/m2)
0,11963 0,086781 0,10622 0,12717
Heat radiation first contour at (m)
197,38 193,36 199,28 193,14
Heat radiation second contour at (m)
180,33 180,15 183,86 175,24
Heat radiation third contour at (m)
156,24 162,09 162,11 150,11
Combustion rate (kg/s)
812,54 812,54 812,54 812,54
Duration of the pool fire (s)
207,79 207,79 207,79 207,79
Heat emission
79,178 87,351 81,038 79,178
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from fire surface (kW/m2) Flame tilt (deg)
37,525 53,623 45,405 31,113
View factor (%)
0,31943 0,20629 0,27595 0,33956
Atmospheric transmissivity (%)
47,299 48,16 47,501 47,299
Flame temperature (°C)
815,31 842,23 821,61 815,31
Height of the Flame (m)
95,698 81,439 92,138 95,698
Calculated pool surface area (m2)
10417 10417 10417 10417
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:57:55
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.276 of E.425
B04B JFIRE Case description: B04b_D3 Model: Gas Jet Fire (Chamberlain model) version: 5.12 (06/11/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B04b_D9 compared to: B04b_E5 compared to: B04b_F2 Parameters Inputs B04b_D3 B04b_D9 B04b_E5 B04b_F2 Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Type of release Release from vessel through (a hole in) pipe
Flame temperature (°C) 926,85 926,85 926,85 926,85 Amount of CO2 in atmosphere (%)
0,03 0,03 0,03 0,03
Percentage of the flame covered by soot (%)
0 0 0 0
Distance from release (Xd) (m)
100 100 100 100
X-coordinate of release (m) 0 0 0 0 Y-coordinate of release (m) 0 0 0 0 Predefined wind direction User defined User defined User defined User defined Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Results B04b_D3 B04b_D9 B04b_E5 B04b_F2 Initial source strength (kg/s) 0,031678 0,031678 0,031678 0,031678 Type of flow of the jet Unchoked flow Unchoked flow Unchoked flow Unchoked flow Exit velocity of expanding jet (m/s)
43,589 43,589 43,589 43,589
Angle between hole and flame axis (alpha) (deg)
13,762 45,337 24,724 7,0413
Frustum lift off height (b) (m) 0,26012 0,06538 0,12592 0,41578 Width of frustum base (W1) (m)
0,28874 0,14976 0,22924 0,32522
Width of frustum tip (W2) (m)
1,8063 1,4413 1,6291 1,8973
Length of frustum (flame) (Rl) (m)
3,9221 3,2229 3,5117 4,2524
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:32:44 FLASHF Case description: HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (21/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9) compared to: HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5) compared to: HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2) Parameters
Inputs
HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3)
HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9)
HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5)
HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2)
Evaporating pool release Evaporating pool release Evaporating pool release Evaporating pool release
Total mass released (kg)
Mass flow rate of the source (kg/s)
276,1 276,1 276,1 276,1
Duration of the release (s)
41,024 41,024 41,024 41,024
Initial liquid mass fraction (%)
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Fixed pool surface (m2)
717,01 717,01 717,01 717,01
Diameter of expanded jet (m)
Temperature after release (°C)
-161,49 -161,49 -161,49 -161,49
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
120 120 120 120
Concentra20 20 20 20
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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tion averaging time (s) Resolution of the time consuming graphs
Low Low Low Low
Results
HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3)
HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9)
HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5)
HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2)
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
9394,5 6486,1 8413,1 8961,6
...at time tmem (s)
45 45 40 60
Start time where 95% of maximum of explosive mass is reached (s)
42,158 43,098 36,939 -1E100
Time where explosive mass starts decreasing below 95% of max (s)
48,219 45,364 45,219 41,024
Length of cloud (between LEL) at
88,49 323,78 114,97 171,61
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time tmem (m) Width of cloud (between LEL) at time tmem (m)
109,21 46,432 81,54 126,01
Offset between release location and LEL at time tmem (m)
-10,125 -12,639 -18,568 -57,713
Maximum area of explosive cloud (m2)
7485,8 12769 7738,4 18153
...at time tmac (s)
45 45 41,024 60
Explosive mass at time tmac (kg)
9394,5 6486,1 8413,1 8961,6
Length of cloud (between LEL) at time tmac (m)
88,49 323,78 114,97 171,61
Width of cloud (between LEL) at time tmac (m)
109,21 46,432 81,54 126,01
Offset between release location and LEL at time tmac (m)
-10,125 -12,639 -18,568 -57,713
Offset between release centre and cloud centre at time tmac (m)
34,12 149,25 38,915 28,09
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.281 of E.425
Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:30:54 UVCE Case description: B04B - UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B04B - UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) compared to: B04B - UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) compared to: B04B - UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: B04B - UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: B04B - UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: B04B - UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: B04B - UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: B04B - UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: B04B - UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) compared to: B04B - UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) compared to: B04B - UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) Parameters
Inputs
B04B -UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04B -UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04B -UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04B -UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04B -UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04B -UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04B -UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
B04B -UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
B04B -UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
B04B -UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
B04B -UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
B04B -UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Chemical name (DIPP
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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nt and cloud centre (m) Threshold overpressure (mbar)
170 360 900 170 360 900 170 360 900 170 360 900
X-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Y-coordinate of release (m)
0 0 0 0 0 0 0 0 0 0 0 0
Predefined wind direction
N N N N N N N N N N N N
Wind comes from (North = 0 de
0 0 0 0 0 0 0 0 0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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grees) (deg)
Results
B04B -UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04B -UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04B -UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D3))
B04B -UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04B -UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04B -UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L1_L_EVAPORATION D9))
B04B -UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
B04B -UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
B04B -UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
B04B -UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
B04B -UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
B04B -UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
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sure (m) Blast-wave shape at Xd
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Damage (general description) at Xd
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to typical American-
Moderate to minor damage. Deformed walls and doors; failure of joints.
Moderate to minor damage. Deformed walls and doors; failure of joints.
Moderate to minor damage. Deformed walls and doors; failure of joints.
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Minor damage. Comparable to a damage due to a storm; wooden walls fail,
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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style houses at Xd
Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Doors and window frames have failed. Wall covering has fallen down (15 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 11:07:02 UVCE ED Case description: HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9)) compared to: HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Parameters
Inputs
HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3))
HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9))
HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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degrees) (deg)
Results
HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D3))
HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION D9))
HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION E5))
HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass -HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation -HARDARM_L2_L_EVAPORATION F2))
Confined mass in explosive range (kg)
245,4 19,387 145,18 227
Total combustion energy (MJ)
12278 969,98 7263,4 11357
Peak overpressure at Xd (mbar)
60,772 25,904 51,851 59,221
Peak dynamic pressure at Xd (mbar)
2,631 1,0151 1,7118 2,4677
Pressure impulse at Xd (Pa*s)
310,81 58,124 224,51 295,27
Positive phase duration at Xd (ms)
102,29 44,876 86,599 99,718
Dist. from center mass of cloud at threshold overpressure (m)
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage No damage or very minor No damage or very minor No damage or very minor No damage or very minor
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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to typical American-style houses at Xd
damage damage damage damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:48:24 PFIRE Case description: HARDARM_L2_L_PFIRE D3 RZ Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: HARDARM_L2_L_PFIRE D9 RZ compared to: HARDARM_L2_L_PFIRE E5 RZ compared to: HARDARM_L2_L_PFIRE F2 RZ Parameters
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results HARDARM_L2_L_PFIRE D3 RZ
HARDARM_L2_L_PFIRE D9 RZ
HARDARM_L2_L_PFIRE E5 RZ
HARDARM_L2_L_PFIRE F2 RZ
Max Diameter of the Pool Fire (m)
36,073 36,073 36,073 36,073
Heat radiation at X (kW/m2)
0,0075699 0,0075699 0,0093922 0,012103
Heat radiation first contour at (m)
69,401 69,401 71,332 68,946
Heat radiation second contour at (m)
64,82 64,82 65,825 61,917
Heat radiation third contour at (m)
58,268 58,268 57,668 51,717
Combustion rate (kg/s)
79,715 79,715 79,715 79,715
Duration of the pool fire (s)
141,5 141,5 141,5 141,5
Heat emission from fire surface (kW/m2)
72,354 72,354 67,033 62,271
Flame tilt (deg)
57,602 57,602 50,022 36,175
View factor (%)
0,022654 0,022654 0,030767 0,043259
Atmospheric transmissivity (%)
46,183 46,183 45,54 44,931
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Flame temperature (°C)
791,19 791,19 771,17 752,23
Height of the Flame (m)
34,696 34,696 39,254 44,222
Calculated pool surface area (m2)
1022 1022 1022 1022
Weight ratio of HCL/chemical (%)
0 0 0 0
Weight ratio of NO2/chemical (%)
0 0 0 0
Weight ratio of SO2/chemical (%)
0 0 0 0
Weight ratio of CO2/chemical (%)
274,4 274,4 274,4 274,4
Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 8:58:23
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.294 of E.425
B.05.REV FLASHF Case description: onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (08/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)) compared to: onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)) compared to: onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)) Parameters
Inputs
onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW))
onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))
onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW))
onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW))
onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))
onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW))
onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
27268 17878 18047 66077
...at time tmem (s)
100 600 700 800
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Start time where 95% of maximum of explosive mass is reached (s)
71,494 95 95 186,5
Time where explosive mass starts decreasing below 95% of max (s)
844,73 844,73 844,73 844,73
Length of cloud (between LEL) at time tmem (m)
113,78 494,44 110,81 183,6
Width of cloud (between LEL) at time tmem (m)
155,58 62,589 141,08 381,78
Offset between release location and LEL at time tmem (m)
-27,383 -20,493 -22,19 -58,252
Maximum area of explosive cloud (m2)
13947 22313 12096 48402
...at time tmac (s)
844,73 844,73 844,73 844,73
Explosive mass at time tmac (kg)
22341 17878 18047 66077
Length of cloud (between LEL) at time tmac (m)
914,59 21,329 110,81 183,6
Width of cloud (between LEL) at time tmac (m)
155,58 55,219 141,08 381,78
Offset between release location and LEL at time tmac (m)
-27,383 -20,493 -22,19 -58,252
Offset between release centre and cloud centre at time tmac (m)
429,91 -9,8282 33,214 33,547
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:37:17 UVCE Case description: tank (secondary pump) to compressor - uvce D3 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: tank (secondary pump) to compressor - uvce D3 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.297 of E.425
evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce D3 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce D9 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce D9 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce D9 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) Parameters
Inputs
tank (secondary pump) to compressor -uvce D3 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass -onboard
tank (secondary pump) to compressor -uvce D3 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass -onboard
tank (secondary pump) to compressor - uvce D3 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass - onboard
tank (secondary pump) to compressor -uvce D9 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass -onboard
tank (secondary pump) to compressor -uvce D9 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass -onboard
tank (secondary pump) to compressor -uvce D9 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass -onboard
tank (secondary pump) to compressor - uvce E5 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass - onboard
tank (secondary pump) to compressor -uvce E5 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass -onboard
tank (secondary pump) to compressor - uvce E5 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass - onboard
tank (secondary pump) to compressor -uvce F2 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosive mass -onboard
tank (secondary pump) to compressor - uvce F2 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosive mass - onboard
tank (secondary pump) to compressor -uvce F2 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosive mass -onboard
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.298 of E.425
tank (secondary pump) to compressor -dispersion D3 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor -dispersion D3 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
tank (secondary pump) to compressor -dispersion D9 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor -dispersion D9 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor -dispersion D9 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
tank (secondary pump) to compressor -dispersion E5 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
tank (secondary pump) to compressor -dispersion F2 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
tank (secondary pump) to compressor -dispersion F2 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
tank (secondary pump) to compressor -uvce D3 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor -uvce D3 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor - uvce D3 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor -uvce D9 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor -uvce D9 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor -uvce D9 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor - uvce E5 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor -uvce E5 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor - uvce E5 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor -uvce F2 LC1 PNEW Z1 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor - uvce F2 LC1 PNEW Z2 (linked to Dense Gas Dispersion: Explosiv
tank (secondary pump) to compressor -uvce F2 LC1 PNEW Z3 (linked to Dense Gas Dispersion: Explosiv
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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e mass -onboard tank (secondary pump) to compressor -dispersion D3 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
e mass -onboard tank (secondary pump) to compressor -dispersion D3 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
e mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
e mass -onboard tank (secondary pump) to compressor -dispersion D9 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
e mass -onboard tank (secondary pump) to compressor -dispersion D9 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
e mass -onboard tank (secondary pump) to compressor -dispersion D9 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
e mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
e mass -onboard tank (secondary pump) to compressor -dispersion E5 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
e mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
e mass -onboard tank (secondary pump) to compressor -dispersion F2 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
e mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
e mass -onboard tank (secondary pump) to compressor -dispersion F2 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor -release PNEW)))
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.302 of E.425
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
(7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.303 of E.425
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 11:36:26 UVCE ED Case description: tank (secondary pump) to compressor - uvce D3 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: tank (secondary pump) to compressor - uvce D9 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) Parameters
Inputs tank (secondary pump) to compressor - uvce D3
tank (secondary pump) to compressor - uvce D9
tank (secondary pump) to compressor - uvce E5
tank (secondary pump) to compressor - uvce F2
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.304 of E.425
LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)))
LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)))
LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation -onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)))
Curve number 5 (Medium deflagration) 5 (Medium deflagration) 5 (Medium deflagration) 5 (Medium deflagration) Distance from release (Xd) (m)
50 50 50 50
Offset between release point and cloud centre (m)
429,91 -9,8282 33,214 33,547
Threshold overpressure (mbar)
160 160 160 160
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
tank (secondary pump) to compressor - uvce D3 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation -
tank (secondary pump) to compressor - uvce D9 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation -
tank (secondary pump) to compressor - uvce E5 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation -
tank (secondary pump) to compressor - uvce F2 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersionF2 PNEW (linked to Pool evaporation -
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.305 of E.425
onboard tank (secondary pump) to compressor -evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)))
onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)))
onboard tank (secondary pump) to compressor -evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)))
onboard tank (secondary pump) to compressor -evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)))
Confined mass in explosive range (kg)
1787,3 1430,2 1443,8 5286,1
Total combustion energy (MJ)
89419 71556 72233 2,6447E05
Peak overpressure at Xd (mbar)
206,07 201,73 201,99 206,07
Peak dynamic pressure at Xd (mbar)
62,038 53,59 53,914 92,932
Pressure impulse at Xd (Pa*s)
2052,5 1812,2 1822,4 3385,4
Positive phase duration at Xd (ms)
199,21 179,67 180,45 328,57
Dist. from center mass of cloud at threshold overpressure (m)
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.306 of E.425
framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:50:02 PFIRE Case description: B.05 rev D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW) Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B.05 rev D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW) compared to: B.05 rev E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW) compared to: B.05 rev F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW) Parameters
Inputs
B.05 rev D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)
B.05 rev D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW)
B.05 rev E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)
B.05 rev F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) -onboard tank to compressor - release PNEW)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.309 of E.425
CO2/chemical (%) Weight ratio of H2O/chemical (%)
224,69 224,69 224,69 224,69
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 9:01:45
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.310 of E.425
B.06.REV FLASHF Case description: B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (21/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) compared to: B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) compared to: B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) Parameters
Inputs
B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))
B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.311 of E.425
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Open water, at least 5 km
Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))
B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Maximum explosive mass (kg)
1275,3 0 397,55 3675,8
...at time tmem (s)
1100 0 900 1200
Start time where 95% of maximum of explosive mass is reached (s)
95,313 0 95 267,68
Time where explosive mass starts decreasing below 95% of max (s)
1478,9 0 1506,6 1398,3
Length of cloud (between LEL) at time tmem (m)
276,48 0 0 357,21
Width of cloud (between LEL) at time tmem (m)
49,775 0 0 68,893
Offset between release location and LEL at time tmem (m)
-19,305 0 0 -17,529
Maximum area of explosive cloud (m2)
10725 0 3607,8 15984
...at time tmac (s)
1478,9 0 1506,6 1398,3
Explosive mass at time tmac (kg)
1275,3 0 397,55 3675,8
Length of cloud (between LEL) at time tmac (m)
276,48 0 0 357,21
Width of cloud (between LEL) at time tmac (m)
49,775 0 0 68,893
Offset between release location and LEL at time tmac (m)
-19,305 0 0 -17,529
Offset between release centre and cloud centre at time tmac (m)
118,94 0 0 161,08
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:38:50
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.313 of E.425
UVCE Case description: B06 - UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) Model: Explosion (Multi Energy model) version: 5.03 (21/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B06 - UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06- UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06 - UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) Parameters
Inputs
B06 -UVCE D3 Z1 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE D3 Z2 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE D3 Z3 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE D9 Z1 (linked to Dense Gas Dispersion: Explosiv
B06- UVCE D9 Z2 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE D9 Z3 (linked to Dense Gas Dispersion: Explosiv
B06 - UVCE E5 Z1 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE E5 Z2 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE E5 Z3 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE F2 Z1 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE F2 Z2 (linked to Dense Gas Dispersion: Explosiv
B06 -UVCE F2 Z3 (linked to Dense Gas Dispersion: Explosiv
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.314 of E.425
e mass -B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass - B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
e mass -B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.316 of E.425
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Explosive mass -B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release)))
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying element
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying element
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying element
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.318 of E.425
s. Damage to windowframes and doors (7-15 kPa).
s. Damage to windowframes and doors (7-15 kPa).
s. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 14:57:55 UVCE ED Case description: B06_onboard tank (secondary pump) to compressor - UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.319 of E.425
compared to: B06_onboard tank (secondary pump) to compressor - UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06_onboard tank (secondary pump) to compressor - UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06_onboard tank (secondary pump) to compressor - UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) Parameters
Inputs
B06_onboard tank (secondary pump) to compressor - UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
B06_onboard tank (secondary pump) to compressor - UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
B06_onboard tank (secondary pump) to compressor - UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
B06_onboard tank (secondary pump) to compressor - UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.320 of E.425
wind direction Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
B06_onboard tank (secondary pump) to compressor - UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion D3 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
B06_onboard tank (secondary pump) to compressor - UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion D9 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
B06_onboard tank (secondary pump) to compressor - UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion E5 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
B06_onboard tank (secondary pump) to compressor - UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor -dispersion F2 (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor - release)))
Confined mass in explosive range (kg)
102,03 0 31,804 294,07
Total combustion energy (MJ)
5104,4 -1E94 1591,2 14713
Peak overpressure at Xd (mbar)
90,116 -1E98 61,505 127,83
Peak dynamic pressure at Xd (mbar)
6,9186 -1E98 2,714 15,857
Pressure impulse at Xd (Pa*s)
338,56 -1E100 159,14 673,34
Positive phase duration at Xd (ms)
75,139 -1E103 51,75 105,34
Dist. from center mass of cloud atthreshold overpressure (m)
28,127 -1E100 19,071 40,028
Blast-wave shape at Xd
Pressure wave *** NOT INITIALIZED Pressure wave Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
No damage or very minor damage
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.321 of E.425
damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
No damage or very minor damage
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:52:57 PFIRE Case description: B06.REV PFIRE D3 RZ (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B06.REV PFIRE D9 RZ (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) compared to: B06.REV PFIRE E5 RZ (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) compared to: B06.REV PFIRE F2 RZ (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release)) Parameters
Inputs
B06.REV PFIRE D3 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06.REV PFIRE D9 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06.REV PFIRE E5 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06.REV PFIRE F2 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
Heat radiation level (lowest) for first contour plot (kW/m2)
7,3 7,3 7,3 7,3
Heat radiation level for second contour plot (kW/m2)
9,3 9,3 9,3 9,3
Heat radiation level (highest) for third contour plot (kW/m2)
13,4 13,4 13,4 13,4
Percentage of mortality for contour calculations (%)
Results
B06.REV PFIRE D3 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06.REV PFIRE D9 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06.REV PFIRE E5 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
B06.REV PFIRE F2 RZ (linked to Pool evaporation -B06_onboard tank (secondary pump) to compressor -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B06.rev_onboard tank to compressor -release))
Max Diameter of the Pool Fire (m)
43,702 43,702 43,702 43,702
Heat radiation at X (kW/m2)
0,016398 0,011267 0,013952 0,017793
Heat radiation first contour at (m)
84,309 82,074 84,474 81,666
Heat radiation second contour at (m)
76,635 76,577 77,95 73,607
Heat radiation third contour at (m)
65,297 68,964 68,43 61,726
Combustion rate (kg/s)
117 117 117 117
Duration of the 1,144E05 1,144E05 1,144E05 1,144E05
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.324 of E.425
pool fire (s) Heat emission from fire surface (kW/m2)
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 9:04:29
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.325 of E.425
B.07 FLASHF Case description: B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (20/06/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) compared to: B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) compared to: B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)) Parameters
Inputs
B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))
B07_pump to ru -dispersion D9 (linked to Pool evaporation -B07_pump to RU -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release))
B07_pump to ru -dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release))
B07_pump to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.326 of E.425
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))
B07_pump to ru -dispersion D9 (linked to Pool evaporation -B07_pump to RU -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release))
B07_pump to ru -dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release))
B07_pump to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
1834,7 190,3 669,32 4050,5
...at time tmem (s) 200 600 1200 800 Start time where 95% of maximum of explosive mass is reached (s)
95 95 95 165,8
Time where explosive mass starts decreasing below 95% of max (s)
1068,6 1449,8 1350,9 882,95
Length of cloud (between LEL) at time tmem (m)
191,4 72,008 120,8 261,48
Width of cloud (between LEL) at time tmem (m)
42,652 33,238 37,665 46,537
Offset between release location and LEL at time tmem (m)
-16,92 -16,21 -15,976 -17,729
Maximum area of 5968,9 1885,1 3410,2 9829,6
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.327 of E.425
explosive cloud (m2) ...at time tmac (s) 1068,6 1449,8 1350,9 882,95 Explosive mass at time tmac (kg)
1834,7 190,3 669,32 4050,5
Length of cloud (between LEL) at time tmac (m)
191,4 16,206 120,8 261,48
Width of cloud (between LEL) at time tmac (m)
42,652 30,5 37,665 46,537
Offset between release location and LEL at time tmac (m)
-16,92 -16,21 -15,976 -17,729
Offset between release centre and cloud centre at time tmac (m)
78,783 -8,1074 44,423 113,01
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0 0
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:39:36 UVCE Case description: B07_pump to ru - uvce D3 Z1 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B07_pump to ru - uvce D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce D3 Z3 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce D9 Z1 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce D9 Z3 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce E5 Z2 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce E5 Z3 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.328 of E.425
compared to: B07_pump to ru - uvce F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Parameters
Inputs
B07_pump to ru -uvce D3 Z1 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion D3 (linked to Pool evaporation -B07_pump to RU -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
B07_pump to ru - uvce D3 Z2 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
B07_pump to ru -uvce D3 Z3 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion D3 (linked to Pool evaporation -B07_pump to RU -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
B07_pump to ru -uvce D9 Z1 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion D9 (linked to Poolevaporation -B07_pump to RU -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
B07_pump to ru - uvce D9 Z2 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
B07_pump to ru -uvce D9 Z3 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion D9 (linked to Pool evaporation -B07_pump to RU -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
B07_pump to ru - uvce E5 Z1 (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
B07_pump to ru - uvce E5 Z2 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru - dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru - release)))
B07_pump to ru - uvce E5 Z3 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru - dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru - release)))
B07_pump to ru -uvce F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
B07_pump to ru -uvce F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
B07_pump to ru -uvce F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
B07_pump to ru -uvce D3 Z1 (linked to Dense Gas Dispersion:
B07_pump to ru - uvce D3 Z2 (linked to Dense Gas Dispersion:
B07_pump to ru -uvce D3 Z3 (linked to Dense Gas Dispersion:
B07_pump to ru -uvce D9 Z1 (linked to Dense Gas Dispersion:
B07_pump to ru - uvce D9 Z2 (linked to Dense Gas Dispersion:
B07_pump to ru -uvce D9 Z3 (linked to Dense Gas Dispersion:
B07_pump to ru - uvce E5 Z1 (linked to Dense Gas Dispersion: Explosiv
B07_pump to ru - uvce E5 Z2 (linked to Dense Gas Dispersion: Explosiv
B07_pump to ru - uvce E5 Z3 (linked to Dense Gas Dispersion: Explosiv
B07_pump to ru -uvce F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -B07_pum
B07_pump to ru -uvce F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -B07_pum
B07_pump to ru -uvce F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -B07_pum
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.330 of E.425
Explosive mass -B07_pump to ru -dispersion D3 (linked to Pool evaporation -B07_pump to RU -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
Explosive mass -B07_pump to ru -dispersion D3 (linked to Pool evaporation -B07_pump to RU -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
Explosive mass -B07_pump to ru -dispersion D9 (linked to Pool evaporation -B07_pump to RU -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
Explosive mass -B07_pump to ru -dispersion D9 (linked to Pool evaporation -B07_pump to RU -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
e mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
e mass -B07_pump to ru - dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru- release)))
e mass -B07_pump to ru - dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru - release)))
p to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
p to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
p to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breaka
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breaka
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breaka
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.332 of E.425
ge of windows (7-10 kPa).
ge of windows (7-10 kPa).
ge of windows (7-10 kPa).
kPa). kPa). kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 11:30:38 UVCE ED Case description: B07_pump to ru - uvce D3 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B07_pump to ru - uvce D9 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce E5 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce F2 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Parameters
Inputs
B07_pump to ru - uvce D3 ED (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -
B07_pump to ru - uvce D9 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru -
B07_pump to ru - uvce E5 ED (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -
B07_pump to ru - uvce F2 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru -dispersion F2 (linked to
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.333 of E.425
dispersion D3 (linked to Pool evaporation -B07_pump to RU -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
B07_pump to ru - uvce D3 ED (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion D3 (linked to Pool evaporation -B07_pump to RU -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B07_pump to ru -release)))
B07_pump to ru - uvce D9 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
B07_pump to ru - uvce E5 ED (linked to Dense Gas Dispersion: Explosive mass -B07_pump to ru -dispersion E5 (linked to Pool evaporation -B07_pump to RU -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)))
B07_pump to ru - uvce F2 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru -dispersion F2 (linked to Pool evaporation -B07_pump to RU -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru -release)))
Confined mass in explosive range (kg)
146,77 15,224 53,546 324,04
Total combustion energy (MJ)
7343,2 761,68 2679 16212
Peak 101,67 48,747 73,026 132,22
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.334 of E.425
overpressure at Xd (mbar) Peak dynamic pressure at Xd (mbar)
9,2877 1,4994 4,1851 17,037
Pressure impulse at Xd (Pa*s)
429,45 100,16 223,17 717,99
Positive phase duration at Xd (ms)
84,475 41,096 61,121 108,6
Dist. from center mass of cloud at threshold overpressure (m)
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
No damage or very minor damage
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:55:57 PFIRE Case description: B07_pump to RU - PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B07_pump to RU - PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.335 of E.425
compared to: B07_pump to RU - PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) compared to: B07_pump to RU - PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release) Parameters
Inputs
B07_pump to RU -PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)
B07_pump to RU -PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)
B07_pump to RU -PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)
B07_pump to RU -PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release)
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 9:06:59
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.338 of E.425
B.08.REV JFIRE Case description: B08_rev_vaporizer - JFIRE D3 pnew Model: Gas Jet Fire (Chamberlain model) version: 5.12 (04/11/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B08_rev_vaporizer - JFIRE D9 pnew compared to: B08_rev_vaporizer - JFIRE E5 pnew compared to: B08_rev_vaporizer - JFIRE F2 pnew Parameters
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:40:29 FLASHF Case description: B08_rev_vaporizer - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D3 pnew) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (04/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B08_rev_vaporizer - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D9 pnew) compared to: B08_rev_vaporizer - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE E5 pnew) compared to: B08_rev_vaporizer - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE F2 pnew) Parameters
Inputs
B08_rev_vaporizer -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D3 pnew)
B08_rev_vaporizer -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D9 pnew)
B08_rev_vaporizer -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE E5 pnew)
B08_rev_vaporizer -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE F2 pnew)
Type of release Semi-continuous Semi-continuous Semi-continuous Semi-continuous Total mass released (kg)
Mass flow rate of the source (kg/s)
12,828 12,828 12,828 12,828
Duration of the release (s)
120 120 120 120
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.340 of E.425
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
0 0 0 0
Length source in wind (x) direction (m)
0 0 0 0
Length source in crosswind (y) direction (m)
0 0 0 0
Length source in vertical (z) direction (m)
0 0 0 0
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Latitude of the location (deg)
35 35 35 35
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m)
Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Low Low Low Low
Results
B08_rev_vaporizer -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -
B08_rev_vaporizer -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -
B08_rev_vaporizer -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -
B08_rev_vaporizer -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.341 of E.425
B08_rev_vaporizer -JFIRE D3 pnew)
B08_rev_vaporizer -JFIRE D9 pnew)
B08_rev_vaporizer -JFIRE E5 pnew)
B08_rev_vaporizer -JFIRE F2 pnew)
Explosive mass at time t (kg)
293,84 49,962 199,79 1090,1
Height to LEL at time t (m)
8,3 5,1 6 7,8
Length of cloud (between LEL) at time t (m)
122,04 62,01 138,6 248,4
Width of cloud (between LEL) at time t (m)
8,2879 4,4968 6,9321 12,274
Offset between release location and LEL at time t (m)
0,01 0,01 0,01 0,01
Maximum explosive mass (kg)
294,14 49,962 199,8 1119,6
...at time tmem (s)
120 120 120 125
Start time where 95% of maximum of explosive mass is reached (s)
39,738 9,517 28,237 117,54
Time where explosive mass starts decreasing below 95% of max (s)
121,44 120,5 120,95 141,82
Length of cloud (between LEL) at time tmem (m)
122,04 62,01 138,6 248,4
Width of cloud (between LEL) at time tmem (m)
8,2879 4,4968 6,9321 12,274
Offset between release location and LEL at time tmem (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
795,2 220,25 751,72 2712
...at time tmac (s)
120 120 120 175
Explosive mass at time tmac (kg)
294,14 49,962 199,8 853,01
Length of cloud (between LEL) at time tmac (m)
122,04 62,01 138,6 244,8
Width of cloud (between LEL) at time tmac (m)
8,2879 4,4968 6,9321 13,152
Offset between release location and LEL at time tmac (m)
0,01 0,01 0,01 91,261
Offset between release centre and cloud centre at time tmac (m)
61,03 31,015 69,31 213,66
Inverse Monin-0 0 0,014548 0,060302
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.342 of E.425
Obukhov length (1/L) used (1/m) Mixing height used (m)
500 500 247,92 62,735
Stand. dev. of turbulent velocity in vert. direction used (m/s)
0,63265 1,8979 0,88561 0,23504
Stand. dev. of turbulent velocity in horiz. direction used (m/s)
0,43475 1,3042 0,60594 0,16082
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:40:55 UVCE Case description: B08_rev_vaporizer - uvce D3 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D3 pnew)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B08_rev_vaporizer - uvce D3 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D3 pnew)) compared to: B08_rev_vaporizer - uvce D3 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D3 pnew)) compared to: B08_rev_vaporizer - uvce D9 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D9 pnew)) compared to: B08_rev_vaporizer - uvce D9 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D9 pnew)) compared to: B08_rev_vaporizer - uvce D9 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D9 pnew)) compared to: B08_rev_vaporizer - uvce E5 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE E5 pnew)) compared to: B08_rev_vaporizer - uvce E5 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE E5 pnew)) compared to: B08_rev_vaporizer - uvce E5 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE E5 pnew)) compared to: B08_rev_vaporizer - uvce F2 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE F2 pnew)) compared to: B08_rev_vaporizer - uvce F2 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE F2 pnew)) compared to: B08_rev_vaporizer - uvce F2 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE F2 pnew)) Parameters
Inputs B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
B08_rev_vaporizer - uvce
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.343 of E.425
D3 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D3 pnew))
D3 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D3 pnew))
D3 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D3 pnew))
D9 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D9 pnew))
D9 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D9 pnew))
D9 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D9 pnew))
E5 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE E5 pnew))
E5 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE E5 pnew))
E5 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE E5 pnew))
F2 pNew Z1 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE F2 pnew))
F2 pNew Z2 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE F2 pnew))
F2 pNew Z3 (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE F2 pnew))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.346 of E.425
cloud at threshold overpressure (m) Blast-wave shape at Xd
Pressure wave
Pressure wave
Pressure wave
Shock Wave
Shock Wave
Shock Wave
Shock Wave
Shock Wave
Shock Wave
Pressure wave
Pressure wave
Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or veryminor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 11:21:43 UVCE ED Case description: B08_rev_vaporizer - uvce D3 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D3 pnew))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.347 of E.425
Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B08_rev_vaporizer - uvce D9 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D9 pnew)) compared to: B08_rev_vaporizer - uvce E5 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE E5 pnew)) compared to: B08_rev_vaporizer - uvce F2 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE F2 pnew)) Parameters
Inputs
B08_rev_vaporizer -uvce D3 pNew ED (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D3 pnew))
B08_rev_vaporizer -uvce D9 pNew ED (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D9 pnew))
B08_rev_vaporizer -uvce E5 pNew ED (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE E5 pnew))
B08_rev_vaporizer -uvce F2 pNew ED (linked to Neutral Gas Dispersion: Explosive mass -B08_rev_vaporizer -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE F2 pnew))
Curve number 5 (Medium deflagration) 5 (Medium deflagration) 5 (Medium deflagration) 5 (Medium deflagration) Distance from release (Xd) (m)
50 50 100 100
Offset between release point and cloud centre (m)
61,03 31,015 69,31 213,66
Threshold overpressure (mbar)
160 160 160 160
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
B08_rev_vaporizer -uvce D3 pNew ED (linked to Neutral Gas Dispersion: Explosive
B08_rev_vaporizer -uvce D9 pNew ED (linked to Neutral Gas Dispersion: Explosive
B08_rev_vaporizer -uvce E5 pNew ED (linked to Neutral Gas Dispersion: Explosive
B08_rev_vaporizer -uvce F2 pNew ED (linked to Neutral Gas Dispersion: Explosive
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.348 of E.425
mass -B08_rev_vaporizer -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D3 pnew))
mass -B08_rev_vaporizer -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE D9 pnew))
mass -B08_rev_vaporizer -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE E5 pnew))
mass -B08_rev_vaporizer -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B08_rev_vaporizer -JFIRE F2 pnew))
Confined mass in explosive range (kg)
23,531 3,997 15,984 68,241
Total combustion energy (MJ)
1177,3 199,97 799,7 3414,1
Peak overpressure at Xd (mbar)
55,687 30,152 24,38 38,871
Peak dynamic pressure at Xd (mbar)
2,1376 1,0151 1,0151 1,0151
Pressure impulse at Xd (Pa*s)
130,6 39,904 51,326 132,15
Positive phase duration at Xd (ms)
46,905 26,469 42,105 67,994
Dist. from center mass of cloud at threshold overpressure (m)
17,249 9,5527 15,163 24,598
Blast-wave shape at Xd
Pressure wave Shock Wave Shock Wave Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
No damage or very minor damage
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to roofs, ceilings, minor crack formation in plastering, more than 1% damage to glass panels (1 - 1.5 kPa)
Habitable after relatively easy repairs. Minor structural damage (3 kPa).
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 10:00:13 PFIRE
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.349 of E.425
NO THERMAL RADIATION EFFECTS
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.350 of E.425
B.09.REV JFIRE Case description: B09_RU to ME - JFIRE D3 pNew Model: Gas Jet Fire (Chamberlain model) version: 5.12 (11/11/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B09_RU to ME - JFIRE D9 pNew compared to: B09_RU to ME - JFIRE E5 pNew compared to: B09_RU to ME - JFIRE F2 pNew Parameters
Inputs B09_RU to ME -JFIRE D3 pNew
B09_RU to ME - JFIRE D9 pNew
B09_RU to ME -JFIRE E5 pNew
B09_RU to ME -JFIRE F2 pNew
Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Type of release Release from vessel through (a hole in) pipe
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:41:40 FLASHF Case description: B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (11/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B09_RU to ME - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D9 pNew) compared to: B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew) compared to: B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew) Parameters
Inputs
B09_RU to ME -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D3 pNew)
B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D9 pNew)
B09_RU to ME -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE E5 pNew)
B09_RU to ME -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE F2 pNew)
Type of release Semi-continuous Semi-continuous Semi-continuous Semi-continuous Total mass released (kg)
Mass flow rate of the source (kg/s)
348,37 348,37 348,37 348,37
Duration of the release (s)
120 120 120 120
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release (m)
0 0 0 0
Length source in wind (x) direction (m)
0 0 0 0
Length source in 0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.352 of E.425
crosswind (y) direction (m) Length source in vertical (z) direction (m)
0 0 0 0
Ambient temperature (°C)
19 19 19 19
Meteorological data Pasquill Pasquill Pasquill Pasquill Pasquill stability class
D (Neutral) D (Neutral) E (Stable) D (Neutral)
Wind speed at 10 m height (m/s)
3 9 5 2
Latitude of the location (deg)
51 51 51 51
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m) Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Time t after start release (s)
120 120 120 120
Concentration averaging time (s)
20 20 20 20
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Low Low Low Low
Results
B09_RU to ME -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D3 pNew)
B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D9 pNew)
B09_RU to ME -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE E5 pNew)
B09_RU to ME -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE F2 pNew)
Explosive mass at time t (kg)
30561 10175 28928 27676
Height to LEL at time t (m)
32,8 22,1 24,8 31,7
Length of cloud (between LEL) at time t (m)
390,78 470,88 617,8 278,88
Width of cloud (between LEL) at time t (m)
43,62 28,07 41,718 41,753
Offset between release location and LEL at time t
0,01 0,01 0,01 0,01
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.353 of E.425
(m) Maximum explosive mass (kg)
32805 10173 29915 34754
...at time tmem (s) 150 120 125 150 Start time where 95% of maximum of explosive mass is reached (s)
123,58 52,018 117,6 143,32
Time where explosive mass starts decreasing below 95% of max (s)
161,56 120 142,56 216,47
Length of cloud (between LEL) at time tmem (m)
390,78 470,88 617,8 278,88
Width of cloud (between LEL) at time tmem (m)
43,62 28,07 41,718 41,753
Offset between release location and LEL at time tmem (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
16799 10305 22514 15319
...at time tmac (s) 200 120 175 300 Explosive mass at time tmac (kg)
25245 10173 22558 24903
Length of cloud (between LEL) at time tmac (m)
400,82 470,88 602,98 322,08
Width of cloud (between LEL) at time tmac (m)
50,144 28,07 44,174 59,21
Offset between release location and LEL at time tmac (m)
198,91 0,01 227,69 305,26
Offset between release centre and cloud centre at time tmac (m)
399,32 235,45 529,18 466,3
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,014548 0
Mixing height used (m)
500 500 212,99 393,44
Stand. dev. of turbulent velocity invert. direction used (m/s)
0,63265 1,8979 0,88561 0,42177
Stand. dev. of turbulent velocity in horiz. direction used (m/s)
0,43475 1,3042 0,60594 0,28983
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.354 of E.425
Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:42:05 UVCE Case description: B09_RU to ME - UVCE D3 Z1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew)) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B09_RU to ME - UVCE D3 Z2 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew)) compared to: B09_RU to ME - UVCE D3 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew)) compared to: B09_RU to ME - UVCE D9 Z1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D9 pNew)) compared to: B09_RU to ME - UVCE D9 Z2 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D9 pNew)) compared to: B09_RU to ME - UVCE D9 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D9 pNew)) compared to: B09_RU to ME - UVCE E5 Z1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew)) compared to: B09_RU to ME - UVCE E5 Z2 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew)) compared to: B09_RU to ME - UVCE E5 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew)) compared to: B09_RU to ME - UVCE F2 Z1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew)) compared to: B09_RU to ME - UVCE F2 Z2 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew)) compared to: B09_RU to ME - UVCE F2 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew)) Parameters
Inputs
B09_RU to ME -UVCE D3 Z1 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D3 pNew))
B09_RU to ME -UVCE D3 Z2 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D3 pNew))
B09_RU to ME - UVCE D3 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew))
B09_RU to ME -UVCE D9 Z1 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D9 pNew))
B09_RU to ME -UVCE D9 Z2 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D9 pNew))
B09_RU to ME -UVCE D9 Z3 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D9 pNew))
B09_RU to ME - UVCE E5 Z1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew))
B09_RU to ME -UVCE E5 Z2 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE E5 pNew))
B09_RU to ME - UVCE E5 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew))
B09_RU to ME -UVCE F2 Z1 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE F2 pNew))
B09_RU to ME - UVCE F2 Z2 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew))
B09_RU to ME -UVCE F2 Z3 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE F2 pNew))
Chemical name (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.355 of E.425
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.356 of E.425
Results
B09_RU to ME -UVCE D3 Z1 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D3 pNew))
B09_RU to ME -UVCE D3 Z2 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D3 pNew))
B09_RU to ME - UVCE D3 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew))
B09_RU to ME -UVCE D9 Z1 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D9 pNew))
B09_RU to ME -UVCE D9 Z2 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D9 pNew))
B09_RU to ME -UVCE D9 Z3 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE D9 pNew))
B09_RU to ME - UVCE E5 Z1 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew))
B09_RU to ME -UVCE E5 Z2 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE E5 pNew))
B09_RU to ME - UVCE E5 Z3 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew))
B09_RU to ME -UVCE F2 Z1 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE F2 pNew))
B09_RU to ME - UVCE F2 Z2 (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew))
B09_RU to ME -UVCE F2 Z3 (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME -dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME -JFIRE F2 pNew))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.357 of E.425
center mass of cloud at threshold overpressure (m) Blast-wave shape at Xd
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Pressure wave
Damage (general description) at Xd
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brickwalls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.358 of E.425
frames have failed. Wall covering has fallen down (15 kPa).
frames have failed. Wall covering has fallen down (15 kPa).
frames have failed. Wall covering has fallen down (15 kPa).
frames have failed. Wall covering has fallen down (15 kPa).
frames have failed. Wall covering has fallen down (15 kPa).
frames have failed. Wall covering has fallen down (15 kPa).
(7-10 kPa).
(7-10 kPa).
(7-10 kPa).
(7-10 kPa).
(7-10 kPa).
(7-10 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.359 of E.425
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 11:13:33 UVCE ED Case description: B09_RU to ME - UVCE D3 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B09_RU to ME - UVCE D9 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D9 pNew)) compared to: B09_RU to ME - UVCE E5 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew)) compared to: B09_RU to ME - UVCE F2 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew)) Parameters
Inputs
B09_RU to ME - UVCE D3 ED (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D3 pNew))
B09_RU to ME - UVCE D9 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D9 pNew))
B09_RU to ME -UVCE E5 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew))
B09_RU to ME -UVCE F2 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew))
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.360 of E.425
Distance from release (Xd) (m)
50 50 100 100
Offset between release point and cloud centre (m)
399,32 235,45 529,18 466,3
Threshold overpressure (mbar)
160 160 160 160
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
B09_RU to ME - UVCE D3 ED (linked to Neutral Gas Dispersion: Explosive mass -B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D3 pNew))
B09_RU to ME - UVCE D9 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME -dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) -B09_RU to ME - JFIRE D9 pNew))
B09_RU to ME -UVCE E5 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew))
B09_RU to ME -UVCE F2 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew))
Confined mass in explosive range (kg)
2019,6 813,87 1804,6 1992,3
Total combustion energy (MJ)
1,0104E05 40719 90286 99675
Peak overpressure at Xd (mbar)
206,07 179,26 116,86 120,84
Peak dynamic pressure at Xd (mbar)
67,816 35,059 13 14,011
Pressure impulse at Xd (Pa*s)
2172 1311,6 1132,7 1208,3
Positive phase duration at Xd (ms)
210,81 146,33 193,87 199,98
Dist. from center mass of cloud at threshold overpressure (m)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.361 of E.425
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures, 25% of all brick walls have failed, serious damage to the remaining carrying elements. Damage to windowframes and doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Moderate to minor damage. Deformed walls and doors; failure of joints. Doors and window frames have failed. Wall covering has fallen down (15 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Minor damage. Comparable to a damage due to a storm; wooden walls fail, breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-framing structure collapsed (20-30 kPa). Cracking in empty oil-storage tanks (20-30 kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down (20-40 kPa). Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed (15-20). Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa). Connections between steel or aluminium ondulated plates have failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 10:03:46 PFIRE NO THERMAL RADIATION EFFECTS
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.362 of E.425
B.10 JFIRE Case description: B10_tank to BOC - JFIRE D3 not realistic Model: Gas Jet Fire (Chamberlain model) version: 5.12 (25/06/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B10_tank to BOC - JFIRE D9 not realistic compared to: B10_tank to BOC - JFIRE E5 not realistic compared to: B10_tank to BOC - JFIRE F2 not realistic Parameters
Inputs B10_tank to BOC -JFIRE D3 not realistic
B10_tank to BOC - JFIRE D9 not realistic
B10_tank to BOC -JFIRE E5 not realistic
B10_tank to BOC -JFIRE F2 not realistic
Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Type of release Release from vessel through (a hole in) pipe
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:42:44 UVCE NO MASS IN EXPLOSIVE RANGE UVCE ED NO MASS IN EXPLOSIVE RANGE PFIRE NO THERMAL RADIATION EFFECTS B.11 JFIRE Case description: B11_tank to BOC - JFIRE D3 not realistic Model: Gas Jet Fire (Chamberlain model) version: 5.12 (25/06/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B11_tank to BOC - JFIRE D9 not realistic compared to: B11_tank to BOC - JFIRE E5 not realistic compared to: B11_tank to BOC - JFIRE F2 not realistic Parameters
Inputs B11_tank to BOC - JFIRE D3 not realistic
B11_tank to BOC - JFIRE D9 not realistic
B11_tank to BOC - JFIRE E5 not realistic
B11_tank to BOC - JFIRE F2 not realistic
B11_tank to BOC - JFIRE D3 not realistic copy
Chemical name (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Type of release Release from vessel through (a hole in) pipe
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.365 of E.425
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:43:32 UVCE NO MASS IN EXPLOSIVE RANGE UVCE ED NO MASS IN EXPLOSIVE RANGE PFIRE NO THERMAL RADIATION EFFECTS
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.366 of E.425
B.12 JFIRE Case description: B12_BOC to Liquifier - modified not realistic D3 Model: Gas Jet Fire (Chamberlain model) version: 5.12 (25/06/2013) Reference: Chamberlain, G.A., Development in design methods for predicting thermal radiation from flares~Chem. Eng. Res. Des. Vol.65 July 1987 pagina 299 - 309~ compared to: B12_BOC to Liquifier - modified not realistic D9 compared to: B12_BOC to Liquifier - modified not realistic E5 compared to: B12_BOC to Liquifier - modified not realistic F2 Parameters
Inputs B12_BOC to Liquifier - modified not realistic D3
B12_BOC to Liquifier - modified not realistic D9
B12_BOC to Liquifier - modified not realistic E5
B12_BOC to Liquifier - modified not realistic F2
Chemical name (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Type of release Release from vessel through (a hole in) pipe
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:58:36 FLASHF Case description: B12_BOC to Liquifier - modified not realistic DISPERSION D3 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) Model: Neutral Gas Dispersion: Explosive mass version: 5.14 (25/06/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Chapter 4 compared to: B12_BOC to Liquifier - modified not realistic DISPERSION D9 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) compared to: B12_BOC to Liquifier - modified not realistic DISPERSION E5 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) compared to: B12_BOC to Liquifier - modified not realistic DISPERSION F2 (linked to Gas Jet Fire (Chamberlain model) - B12_BOC to Liquifier - modified not realistic D3) Parameters
Inputs
B12_BOC to Liquifier -modified not realistic DISPERSION D3 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
B12_BOC to Liquifier -modified not realistic DISPERSION D9 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
B12_BOC to Liquifier -modified not realistic DISPERSION E5 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
B12_BOC to Liquifier -modified not realistic DISPERSION F2 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
Type of release Continuous Continuous Continuous Continuous Total mass released (kg)
Mass flow rate of the source (kg/s)
1,4993 1,4993 1,4993 1,4993
Duration of the release (s)
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Z-coordinate (height) of release
0 0 0 0
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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(m) Length source in wind (x) direction (m)
0 0 0 0
Length source in crosswind (y) direction (m)
0 0 0 0
Length source in vertical (z) direction (m)
0 0 0 0
Ambient temperature (°C)
19 19 19 19
Meteorological data
Pasquill Pasquill Pasquill Pasquill
Pasquill stability class
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Latitude of the location (deg)
51 51 51 51
Inverse Monin-Obukhov length (1/L) (1/m)
Mixing height (m) Stand. dev. of turbulent velocity in vertical direction (m/s)
Stand. dev. of turbulent velocity in horizontal direction (m/s)
Roughness length description
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
High crops; scattered large objects, 15 < x/h < 20.
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Time t after start release (s)
Concentration averaging time (s)
20 20 20 20
Integration tolerance (%)
0,1 0,1 0,1 0,1
Resolution of the time consuming graphs
Results
B12_BOC to Liquifier -modified not realistic DISPERSION D3 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
B12_BOC to Liquifier -modified not realistic DISPERSION D9 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
B12_BOC to Liquifier -modified not realistic DISPERSION E5 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
B12_BOC to Liquifier -modified not realistic DISPERSION F2 (linked to Gas Jet Fire (Chamberlain model) -B12_BOC to Liquifier -modified not realistic D3)
Explosive mass at time t (kg)
9,1894 1,555 6,0631 47,811
Height to LEL at time t (m)
3,2 2 2,4 3,3
Length of cloud 32,44 16,38 35,9 114,1
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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(between LEL) at time t (m) Width of cloud (between LEL) at time t (m)
2,5029 1,351 2,0542 3,7754
Offset between release location and LEL at time t (m)
0,01 0,01 0,01 0,01
Maximum explosive mass (kg)
9,1894 1,555 6,0631 47,811
...at time tmem (s) 0 0 0 0 Start time where 95% of maximum of explosive mass is reached (s)
0 0 0 0
Time where explosive mass starts decreasing below 95% of max (s)
0 0 0 0
Length of cloud (between LEL) at time tmem (m)
32,44 16,38 35,9 114,1
Width of cloud (between LEL) at time tmem (m)
2,5029 1,351 2,0542 3,7754
Offset between release location and LEL at time tmem (m)
0,01 0,01 0,01 0,01
Maximum area of explosive cloud (m2)
64,445 17,673 58,213 336,1
...at time tmac (s) 0 0 0 0 Explosive mass at time tmac (kg)
9,1894 1,555 6,0631 47,811
Length of cloud (between LEL) at time tmac (m)
32,44 16,38 35,9 114,1
Width of cloud (between LEL) at time tmac (m)
2,5029 1,351 2,0542 3,7754
Offset between release location and LEL at time tmac (m)
0,01 0,01 0,01 0,01
Offset between release centre and cloud centre at time tmac (m)
16,23 8,2 17,96 57,06
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,014548 0,060302
Mixing height used (m)
500 500 212,99 53,896
Stand. dev. of turbulent velocity in vert. direction used (m/s)
0,63265 1,8979 0,88561 0,23504
Stand. dev. of turbulent velocity
0,43475 1,3042 0,60594 0,16082
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in horiz. direction used (m/s) Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:59:05 UVCE NO MASS IN EXPLOSIVE RANGE UVCE ED NO MASS IN EXPLOSIVE RANGE PFIRE NO THERMAL RADIATION EFFECTS
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.371 of E.425
B.13 FLASHF Case description: B13_liquifier to tank - dispersion D3 (linked to Pool evaporation - B13_liquifier to tank - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)) Model: Dense Gas Dispersion: Explosive mass version: 5.13 (07/11/2013) Reference: Yellow Book 3rd edition 1997 chapter 4; Ermak, D.L. User manual for SLAB Lawrence Livermore National Laboratory, June 1990 compared to: B13_liquifier to tank - dispersion D9 (linked to Pool evaporation - B13_liquifier to tank - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)) compared to: B13_liquifier to tank - dispersion E5 (linked to Pool evaporation - B13_liquifier to tank - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)) compared to: B13_liquifier to tank - dispersion F2 (linked to Pool evaporation - B13_liquifier to tank - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)) Parameters
Inputs
B13_liquifier to tank -dispersion D3 (linked to Pool evaporation -B13_liquifier to tank -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
B13_liquifier to tank -dispersion D9 (linked to Pool evaporation -B13_liquifier to tank -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
B13_liquifier to tank -dispersion E5 (linked to Pool evaporation -B13_liquifier to tank -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
B13_liquifier to tank -dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
D (Neutral) D (Neutral) E (Stable) F (Very Stable)
Wind speed at 10 m height (m/s)
3 9 5 2
Inverse Monin-Obukhov length (1/L) (1/m)
Predefined wind direction
N N N N
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Ref: 02-901-188098-12141-Revision 2 Page E.372 of E.425
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Ambient relative humidity (%)
75 75 75 75
Roughness length description
Cultivated land Cultivated land Cultivated land Cultivated land
Time t after start release (s)
1800 1800 1800 1800
Concentration averaging time (s)
20 20 20 20
Resolution of the time consuming graphs
Low Low Low Low
Results
B13_liquifier to tank -dispersion D3 (linked to Pool evaporation -B13_liquifier to tank -evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
B13_liquifier to tank -dispersion D9 (linked to Pool evaporation -B13_liquifier to tank -evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
B13_liquifier to tank -dispersion E5 (linked to Pool evaporation -B13_liquifier to tank -evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
B13_liquifier to tank -dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank -release))
Explosive mass at time t (kg)
0 0 0 0
Height to LEL at time t (m)
0 0 0 0
Length of cloud (between LEL) at time t (m)
0 0 0 0
Width of cloud (between LEL) at time t (m)
0 0 0 0
Offset between release location and LEL at time t (m)
0 0 0 0
Maximum explosive mass (kg)
0 0 0 460,15
...at time tmem (s)
0 0 0 1500
Start time where 95% of maximum of explosive mass is reached (s)
0 0 0 105,22
Time where explosive mass starts decreasing below 95% of max (s)
0 0 0 1536
Length of cloud (between LEL) at time tmem (m)
0 0 0 127,82
Width of cloud (between LEL) at time tmem (m)
0 0 0 42,894
Offset between release location and LEL at time tmem (m)
0 0 0 -15,957
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.373 of E.425
Maximum area of explosive cloud (m2)
0 0 0 4607
...at time tmac (s) 0 0 0 1536 Explosive mass at time tmac (kg)
0 0 0 460,15
Length of cloud (between LEL) at time tmac (m)
0 0 0 127,82
Width of cloud (between LEL) at time tmac (m)
0 0 0 42,894
Offset between release location and LEL at time tmac (m)
0 0 0 -15,957
Offset between release centre and cloud centre at time tmac (m)
0 0 0 47,953
Inverse Monin-Obukhov length (1/L) used (1/m)
0 0 0,011686 0,04733
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 10:59:45 UVCE Case description: B13_liquifier to tank - uvce F2 Z1 (linked to Dense Gas Dispersion: Explosive mass - B13_liquifier to tank - dispersion F2 (linked to Pool evaporation - B13_liquifier to tank - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release))) Model: Explosion (Multi Energy model) version: 5.03 (22/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B13_liquifier to tank - uvce F2 Z2 (linked to Dense Gas Dispersion: Explosive mass - B13_liquifier to tank - dispersion F2 (linked to Pool evaporation - B13_liquifier to tank - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release))) compared to: B13_liquifier to tank - uvce F2 Z3 (linked to Dense Gas Dispersion: Explosive mass - B13_liquifier to tank - dispersion F2 (linked to Pool evaporation - B13_liquifier to tank - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release))) Parameters
Inputs
B13_liquifier to tank - uvce F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -B13_liquifier to tank - dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank - release)))
B13_liquifier to tank - uvce F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -B13_liquifier to tank - dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank - release)))
B13_liquifier to tank - uvce F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -B13_liquifier to tank - dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank - release)))
Chemical name (DIPPR)
METHANE (DIPPR) METHANE (DIPPR) METHANE (DIPPR)
Ambient pressure (bar)
1,0151 1,0151 1,0151
Total mass in explosive range (kg)
460,15 460,15 460,15
Fraction of 8 8 8
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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flammable cloud confined (%) Curve number 5 (Medium deflagration) 5 (Medium deflagration) 5 (Medium deflagration) Distance from release (Xd) (m)
50 50 50
Offset between release point and cloud centre (m)
47,953 47,953 47,953
Threshold overpressure (mbar)
170 360 900
X-coordinate of release (m)
0 0 0
Y-coordinate of release (m)
0 0 0
Predefined wind direction
N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0
Results
B13_liquifier to tank - uvce F2 Z1 (linked to Dense Gas Dispersion: Explosive mass -B13_liquifier to tank - dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank - release)))
B13_liquifier to tank - uvce F2 Z2 (linked to Dense Gas Dispersion: Explosive mass -B13_liquifier to tank - dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank - release)))
B13_liquifier to tank - uvce F2 Z3 (linked to Dense Gas Dispersion: Explosive mass -B13_liquifier to tank - dispersion F2 (linked to Pool evaporation -B13_liquifier to tank -evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) -B13_liquifier to tank - release)))
Confined mass in explosive range (kg)
36,812 36,812 36,812
Total combustion energy (MJ)
1841,7 1841,7 1841,7
Peak overpressure at Xd (mbar)
64,561 64,561 64,561
Peak dynamic pressure at Xd (mbar)
3,0738 3,0738 3,0738
Pressure impulse at Xd (Pa*s)
175,22 175,22 175,22
Positive phase duration at Xd (ms)
54,279 54,279 54,279
Dist. from center mass of cloud at threshold overpressure (m)
18,828 -1E100 -1E100
Blast-wave shape at Xd
Pressure wave Pressure wave Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor structural
Habitable after relatively easy repairs. Minor structural
Habitable after relatively easy repairs. Minor structural
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.375 of E.425
damage (3 kPa). damage (3 kPa). damage (3 kPa). Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 10:47:32 PFIRE Case description: B13_liquifier to tank - PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) Model: Pool fire version: 5.11 (21/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.4 compared to: B13_liquifier to tank - PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) compared to: B13_liquifier to tank - PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) compared to: B13_liquifier to tank - PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release) Parameters
Inputs
B13_liquifier to tank -PFIRE D3 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)
B13_liquifier to tank -PFIRE D9 RZ (linked to Liquefied Gas Bottom Discharge (TPDISmodel) - B13_liquifier to tank - release)
B13_liquifier to tank -PFIRE E5 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)
B13_liquifier to tank -PFIRE F2 RZ (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B13_liquifier to tank - release)
Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 21/11/2013 9:13:34
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.379 of E.425
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B.14 PROPANE VESSEL
BLEVE - FIREBALL Case description: B.19 BLEVE FIRE BALL Model: BLEVE (Static model) version: 5.10 (22/11/2013) Reference: Yellow Book (CPR-14E), 3rd edition 1997, Paragraph 6.5.7 Parameters Inputs Chemical name (DIPPR) PROPANE (DIPPR) Total mass in vessel (kg) 15015 Initial temperature in vessel (°C) 19 Burst pressure vessel (bar) 25 Ambient temperature (°C) 19 Ambient relative humidity (%) 75 Amount of CO2 in atmosphere (%) 0,03 Distance from centre of vessel (Xd) (m) 1000 Exposure duration to heat radiation (s) 20 Take protective effects of clothing into account No X-coordinate of release (m) 0 Y-coordinate of release (m) 0 Calculate all contours for Physical effects Heat radiation level (lowest) for first contour plot (kW/m2) 7,3 Heat radiation level for second contour plot (kW/m2) 9,3 Heat radiation level (highest) for third contour plot (kW/m2) 13,4 Percentage of mortality for contour calculations (%)
Results Heat radiation at Xd (kW/m2) 1,0279 Heat radiation first contour at (m) 371,18 Heat radiation second contour at (m) 324,13 Heat radiation third contour at (m) 260,8 Heat emission from fire surface (kW/m2) 316,93 Duration of the fireball (s) 10,383 Radius of the Fire Ball (m) 73,776 Height bottom of the fire ball (m) 73,776 View factor (%) 0,53269 Atmospheric transmissivity (%) 60,885
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.381 of E.425
Flame temperature (°C) 1264,9 Other information Main program Effects 8.1.8.6673 Chemical database DIPPR database Chemical source DIPPR Jan2010 Chemical source date 14/09/2010 Effects report created by ESLR2RH1F\andrea_silvasantos at 22/11/2013 13:27:34
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.382 of E.425
DOMINO EFFECTS CALCULATIONS The calculation reports of the domino effect consequences for the proposed scenarios are shown below: B.01a – G1 Case description: B01a_TANK_G1_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D3 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01a_TANK_G1_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION D9 (linked to Pool evaporation - B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01a_TANK_G1_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION E5 (linked to Pool evaporation - B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) compared to: B01b_TANK_G1_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Parameters
Inputs
B01a_TANK_G1_D3_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION D3 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)))
B01a_TANK_G1_D9_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION D9 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)))
B01a_TANK_G1_E5_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION E5 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)))
B01b_TANK_G1_F2_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION F2 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.383 of E.425
point and cloud centre (m) Threshold overpressure (mbar)
160 160 160 160
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
B01a_TANK_G1_D3_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION D3 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)))
B01a_TANK_G1_D9_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION D9 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_D9 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)))
B01a_TANK_G1_E5_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION E5 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_E5 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)))
B01b_TANK_G1_F2_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01a_TANK_G1_DISPERSION F2 (linked to
Pool evaporation -B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_RELE
ASE)))Confined mass in explosive range (kg)
412,4 0 238,85 26201
Total combustion energy (MJ)
20633 -1E94 11950 1,3109E06
Peak overpressure at Xd (mbar)
143,9 -1E98 119,14 206,07
Peak dynamic pressure at Xd (mbar)
20,924 -1E98 13,575 68,044
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
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Pressure impulse at Xd (Pa*s)
843,2 -1E100 587,9 5106,8
Positive phase duration at Xd (ms)
117,2 -1E103 98,69 495,65
Dist. from center mass of cloud at threshold overpressure (m)
44,805 -1E100 37,347 178,78
Blast-wave shape at Xd
Pressure wave *** NOT INITIALIZED Pressure wave Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
Minor damage (Zone D: 3.5 - 17 kPa).
Moderate damage (Zone C: 17 - 35 kPa).
Damage to brick houses at Xd
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
No damage or very minor damage
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
No damage or very minor damage
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
Moderate to minordamage. Deformed
walls and doors; failure of joints. Doors
and window frames have failed. Wall
covering has fallen down (15 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa).
No damage or very minor damage
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa).
Collapse of steel frames and
displacement of foundation (20 kPa). Industrial steel self-
framing structure collapsed (20-30 kPa). Cracking in empty oil-
storage tanks (20-30 kPa). Slight
deformation of a pipe-bridge (20-30 kPa).
Large trees have fallen down (20-40
kPa). Walls made of concrete blocks have
collapsed (15-20). Minor damage to steel
frames (8-10 kPa). Connections between
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.385 of E.425
steel or aluminium ondulated plates have
failed 7-14 kPa). The roof of a storage tank has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:13:23
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.386 of E.425
B.01b – G2 Case description: B01b_TANK_G1_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01a_TANK_G1_DISPERSION F2 (linked to Pool evaporation - B01a_TANK_G1_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01a_TANK_G1_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01b_TANK_G2_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D3 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION D9 (linked to Pool evaporation - B01b_TANK_G2_EVAP_D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION E5 (linked to Pool evaporation - B01b_TANK_G2_EVAP_E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) compared to: B01b_TANK_G2_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01b_TANK_G2_DISPERSION F2 (linked to Pool evaporation - B01b_TANK_G2_EVAP_F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01_b_TANK_G2_RELEASE))) Parameters
Inputs
B01b_TANK_G1_F2_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01a_TANK_G1_D
ISPERSION F2 (linked to Pool evaporation -
B01a_TANK_G1_EVAP_F2 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_R
ELEASE)))
B01b_TANK_G2_D3_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION D3 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_D3 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))
B01b_TANK_G2_D9_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION D9 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_D9 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))
B01b_TANK_G2_E5_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION E5 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_E5 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))
B01b_TANK_G2_F2_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION F2 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_F2 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))Chemical name (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
METHANE (DIPPR)
Ambient pressure (bar)
1,0151 1,0151 1,0151 1,0151 1,0151
Total mass in explosive range (kg)
3,2752E05 5250,3 698,1 2295,8 8,3549E05
Fraction of flammable cloud confined (%)
8 8 8 8 8
Curve number
5 (Medium deflagration)
5 (Medium deflagration)
5 (Medium deflagration)
5 (Medium deflagration)
5 (Medium deflagration)
Distance from release
50 50 50 50 50
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Ref: 02-901-188098-12141-Revision 2 Page E.387 of E.425
(Xd) (m) Offset between release point and cloud centre (m)
992,22 142,67 -9,2275 39,459 1130,1
Threshold overpressure (mbar)
160 160 160 160 160
X-coordinate of release (m)
0 0 0 0 0
Y-coordinate of release (m)
0 0 0 0 0
Predefined wind direction
N N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0 0
Results
B01b_TANK_G1_F2_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01a_TANK_G1_D
ISPERSION F2 (linked to Pool evaporation -
B01a_TANK_G1_EVAP_F2 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01a_TANK_G1_R
ELEASE)))
B01b_TANK_G2_D3_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION D3 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_D3 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))
B01b_TANK_G2_D9_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION D9 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_D9 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))
B01b_TANK_G2_E5_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION E5 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_E5 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))
B01b_TANK_G2_F2_UVCE ED
(linked to Dense Gas Dispersion:
Explosive mass -B01b_TANK_G2_D
ISPERSION F2 (linked to Pool evaporation -
B01b_TANK_G2_EVAP_F2 (linked to
Liquefied Gas Bottom Discharge
(TPDIS model) -B01_b_TANK_G2_
RELEASE)))Confined mass in explosive range (kg)
26201 420,02 55,848 183,66 66839
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.388 of E.425
Total combustion energy (MJ)
1,3109E06 21014 2794,1 9188,8 3,344E06
Peak overpressure at Xd (mbar)
206,07 144,77 74,014 109,28 206,07
Peak dynamic pressure at Xd (mbar)
68,044 21,174 4,3341 11,055 68,044
Pressure impulse at Xd (Pa*s)
5106,8 853,35 229,21 495,99 6977,8
Positive phase duration at Xd (ms)
495,65 117,89 61,936 90,777 677,24
Dist. from center mass of cloud at threshold overpressure (m)
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.389 of E.425
American-style houses at Xd
failure of joints. Doors and window frames have failed. Wall covering has
fallen down (15 kPa).
storm; wooden walls fail,
breakage of windows (7-10
kPa).
storm; wooden walls fail,
breakage of windows (7-10
kPa).
storm; wooden walls fail,
breakage of windows (7-10
kPa).
failure of joints. Doors and window frames have failed. Wall covering has
fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and
displacement of foundation (20 kPa). Industrial
steel self-framing structure collapsed
(20-30 kPa). Cracking in empty
oil-storage tanks (20-30 kPa). Slight
deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down
(20-40 kPa). Walls made of concrete
blocks have collapsed (15-20). Minor damage to
steel frames (8-10 kPa). Connections
between steel or aluminium
ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Minor damage to steel frames (8-10
kPa). Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Minor damage to steel frames (8-10
kPa). Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Collapse of steel frames and
displacement of foundation (20 kPa). Industrial
steel self-framing structure collapsed
(20-30 kPa). Cracking in empty
oil-storage tanks (20-30 kPa). Slight
deformation of a pipe-bridge (20-30 kPa). Large trees have fallen down
(20-40 kPa). Walls made of concrete
blocks have collapsed (15-20). Minor damage to
steel frames (8-10 kPa). Connections
between steel or aluminium
ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa). Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:13:57
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.390 of E.425
B.01c – G3 Case description: B01c_TANK_G3_D3_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D3 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B01c_TANK_G3_D9_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION D9 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_E5_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION E5 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) compared to: B01c_TANK_G3_F2_UVCE ED (linked to Dense Gas Dispersion: Explosive mass - B01c_TANK_G3_DISPERSION F2 (linked to Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B01c_TANK_G3_RELEASE))) Parameters
Inputs
B01c_TANK_G3_D3_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01c_TANK_G3_DISPERSION D3 (linked to
Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) - B01c_TANK_G3_RELE
ASE)))
B01c_TANK_G3_D9_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01c_TANK_G3_DISPERSION D9 (linked to
Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) -B01c_TANK_G3_RELE
ASE)))
B01c_TANK_G3_E5_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01c_TANK_G3_DISPERSION E5 (linked to
Pool evaporation - B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
(TPDIS model) - B01c_TANK_G3_RELE
ASE)))
B01c_TANK_G3_F2_UVCE ED (linked to
Dense Gas Dispersion: Explosive mass -
B01c_TANK_G3_DISPERSION F2 (linked to
Pool evaporation -B01c_TANK_G3_EVAP_D3 (linked to Liquefied Gas Bottom Discharge
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Habitable after relatively easy repairs. Minor
structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).Damage to typical American-style houses at Xd
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
No damage or very minor damage
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
Minor damage. Comparable to a
damage due to a storm; wooden walls fail,
breakage of windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa).
No damage or very minor damage
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa). Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:14:31
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.393 of E.425
B.02A – G1 Case description: HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: HARDARM_L1_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION F2)) Parameters
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed
walls and doors; failure of joints. Doors and
window frames have failed. Wall covering has fallen down (15
kPa).
Minor damage. Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
Moderate to minor damage. Deformed
walls and doors; failure of joints. Doors and
window frames have failed. Wall covering has fallen down (15
kPa).
Moderate to minor damage. Deformed
walls and doors; failure of joints. Doors and
window frames have failed. Wall covering has fallen down (15
kPa).
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed
(15-20). Minor damage to steel frames (8-10
kPa). Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
Walls made of concrete blocks have collapsed
(15-20). Minor damage to steel frames (8-10
kPa). Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Walls made of concrete blocks have collapsed
(15-20). Minor damage to steel frames (8-10
kPa). Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa). Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 12:06:29
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.396 of E.425
B.02B Case description: HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9)) compared to: HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) Parameters
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 12:09:37
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.399 of E.425
B.03A Case description: B03a UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3 (linked to Pool evaporation - B03a EVAP D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B03a UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D9 (linked to Pool evaporation - B03a EVAP D9)) compared to: B03a UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5 (linked to Pool evaporation - B03a EVAP E5)) compared to: B03a UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP F2 (linked to Pool evaporation - B03a EVAP F2)) Parameters
Inputs
B03a UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP D3
(linked to Pool evaporation - B03a
EVAP D3))
B03a UVCE D9 ED (linked to Dense Gas Dispersion:
Explosive mass -B03a DISP D9 (linked to Pool
evaporation - B03a EVAP D9))
B03a UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03a DISP E5
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying
elements. Damage to windowframes and doors
(7-15 kPa).
Not habitable without major repair
works. Partial roof failures, 25% of all
brick walls have failed, serious damage to the
remaining carrying elements. Damage
to windowframes and doors (7-15
kPa).
Not habitable without major repair works.
Partial roof failures, 25% of all brick walls have
failed, serious damage to the remaining carrying
elements. Damage to windowframes and doors
(7-15 kPa).
Not habitable without major repair
works. Partial roof failures, 25% of all
brick walls have failed, serious damage to the
remaining carrying elements. Damage
to windowframes and doors (7-15
kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed walls
and doors; failure of joints. Doors and window frames have failed. Wall
covering has fallen down (15 kPa).
Moderate to minor damage. Deformed
walls and doors; failure of joints.
Doors and window frames have failed. Wall covering has
fallen down (15 kPa).
Moderate to minor damage. Deformed walls
and doors; failure of joints. Doors and window frames have failed. Wall
covering has fallen down (15 kPa).
Moderate to minor damage. Deformed
walls and doors; failure of joints.
Doors and window frames have failed. Wall covering has
fallen down (15 kPa).
Damage to structures (empirical) at Xd
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
framing structure collapsed (20-30 kPa).
Walls made of concrete blocks
have collapsed (15-20). Minor damage to steel frames (8-
10 kPa).
Collapse of steel frames and displacement of foundation (20 kPa). Industrial steel self-
framing structure collapsed (20-30 kPa).
Walls made of concrete blocks
have collapsed (15-20). Minor damage to steel frames (8-
10 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.401 of E.425
Cracking in empty oil-storage tanks (20-30
kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have
fallen down (20-40 kPa). Walls made of concrete
blocks have collapsed (15-20). Minor damage
to steel frames (8-10 kPa). Connections
between steel or aluminium ondulated
plates have failed 7-14 kPa). The roof of a
storage tank has collapsed (7 kPa).
Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Cracking in empty oil-storage tanks (20-30
kPa). Slight deformation of a pipe-bridge (20-30 kPa). Large trees have
fallen down (20-40 kPa). Walls made of concrete
blocks have collapsed (15-20). Minor damage
to steel frames (8-10 kPa). Connections
between steel or aluminium ondulated
plates have failed 7-14 kPa). The roof of a
storage tank has collapsed (7 kPa).
Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:43:01
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.402 of E.425
B.03B Case description: B03b UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3 (linked to Pool evaporation - B03b EVAP D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B03b UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9 (linked to Pool evaporation - B03b EVAP D9)) compared to: B03b UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP E5 (linked to Pool evaporation - B03b EVAP E5)) compared to: B03b UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2 (linked to Pool evaporation - B03b EVAP F2)) Parameters
Inputs
B03b UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3
(linked to Pool evaporation - B03b
EVAP D3))
B03b UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9
(linked to Pool evaporation - B03b
EVAP D9))
B03b UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP E5
(linked to Pool evaporation - B03b
EVAP E5))
B03b UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2
User defined User defined User defined User defined
Wind comes from (North = 0 degrees) (deg)
270 270 270 270
Results
B03b UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D3
(linked to Pool evaporation - B03b
EVAP D3))
B03b UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP D9
(linked to Pool evaporation - B03b
EVAP D9))
B03b UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP E5
(linked to Pool evaporation - B03b
EVAP E5))
B03b UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B03b DISP F2
(linked to Pool evaporation - B03b
EVAP F2))Confined mass in explosive range (kg)
12,222 14,38 12,147 0
Total 611,48 719,46 607,7 -1E94
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.403 of E.425
combustion energy (MJ) Peak overpressure at Xd (mbar)
44,536 47,613 44,432 -1E98
Peak dynamic pressure at Xd (mbar)
1,2367 1,4296 1,2296 -1E98
Pressure impulse at Xd (Pa*s)
85,25 96,169 84,877 -1E100
Positive phase duration at Xd (ms)
38,284 40,396 38,206 -1E103
Dist. from center mass of cloud at threshold overpressure (m)
13,865 14,638 13,837 -1E100
Blast-wave shape at Xd
Pressure wave Pressure wave Pressure wave *** NOT INITIALIZED
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
Damage to brick houses at Xd
Habitable after relatively easy repairs. Minor
structural damage (3 kPa).
Habitable after relatively easy repairs. Minor
structural damage (3 kPa).
Habitable after relatively easy repairs. Minor
structural damage (3 kPa).
No damage or very minor damage
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:43:37
B04A Case description: HARDARM_L1_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L1_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION D9)) compared to: HARDARM_L1_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L1_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L1_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) Parameters
Inputs HARDARM_L1_L_UVC
E D3 ED (linked to Dense Gas Dispersion:
HARDARM_L1_L_UVCE D9 ED (linked to
Dense Gas Dispersion:
HARDARM_L1_L_UVCE E5 ED (linked to
Dense Gas Dispersion:
HARDARM_L2_L_UVCE F2 ED (linked to
Dense Gas Dispersion:
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.404 of E.425
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.406 of E.425
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Damage to typical American-style houses at Xd
Moderate to minor damage. Deformed
walls and doors; failure of joints. Doors and
window frames have failed. Wall covering has fallen down (15
kPa).
Minor damage. Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
Minor damage. Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
No damage or very minor damage
Damage to structures (empirical) at Xd
Walls made of concrete blocks have collapsed
(15-20). Minor damage to steel frames (8-10
kPa). Connections between steel or
aluminium ondulated plates have failed 7-14
kPa). The roof of a storage tank has
collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The
roof of a storage tank has collapsed (7 kPa).
No damage or very minor damage
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:47:54
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.407 of E.425
B04B Case description: HARDARM_L2_L_UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D3 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D3)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: HARDARM_L2_L_UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION D9 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION D9)) compared to: HARDARM_L2_L_UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION E5 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION E5)) compared to: HARDARM_L2_L_UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - HARDARM_L2_L_DISPERSION F2 (linked to Pool evaporation - HARDARM_L2_L_EVAPORATION F2)) Parameters
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:48:24
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.410 of E.425
B.05.REV Case description: tank (secondary pump) to compressor - uvce D3 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D3 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D3 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: tank (secondary pump) to compressor - uvce D9 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion D9 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation D9 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce E5 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion E5 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation E5 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) compared to: tank (secondary pump) to compressor - uvce F2 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to compressor - dispersion F2 PNEW (linked to Pool evaporation - onboard tank (secondary pump) to compressor - evaporation F2 PNEW (linked to Liquefied Gas Bottom Discharge (TPDIS model) - onboard tank to compressor - release PNEW))) Parameters
Inputs
tank (secondary pump) to compressor - uvce
D3 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to
compressor -dispersion D3 PNEW
(linked to Pool evaporation - onboard
tank (secondary pump) to compressor -
evaporation D3 PNEW (linked to Liquefied
Gas Bottom Discharge (TPDIS model) -onboard tank to
compressor - release PNEW)))
tank (secondary pump) to compressor - uvce
D9 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank(secondary pump) to
compressor -dispersion D9 PNEW
(linked to Pool evaporation - onboard
tank (secondary pump) to compressor -
evaporation D9 PNEW (linked to Liquefied
Gas Bottom Discharge (TPDIS model) -onboard tank to
compressor - release PNEW)))
tank (secondary pump) to compressor - uvce
E5 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to
compressor -dispersion E5 PNEW
(linked to Pool evaporation - onboard
tank (secondary pump) to compressor -
evaporation E5 PNEW (linked to Liquefied
Gas Bottom Discharge (TPDIS model) -onboard tank to
compressor - release PNEW)))
tank (secondary pump) to compressor - uvce
F2 LC1 PNEW ED (linked to Dense Gas Dispersion: Explosive mass - onboard tank (secondary pump) to
compressor -dispersion F2 PNEW
(linked to Pool evaporation - onboard
tank (secondary pump) to compressor -
evaporation F2 PNEW (linked to Liquefied
Gas Bottom Discharge (TPDIS model) -onboard tank to
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa). Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:50:02
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.413 of E.425
B.06.REV Case description: B06_onboard tank (secondary pump) to compressor - UVCE D3 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D3 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B06_onboard tank (secondary pump) to compressor - UVCE D9 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion D9 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06_onboard tank (secondary pump) to compressor - UVCE E5 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion E5 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) compared to: B06_onboard tank (secondary pump) to compressor - UVCE F2 ED (linked to Dense Gas Dispersion: Explosive mass - B06_onboard tank (secondary pump) to compressor - dispersion F2 (linked to Pool evaporation - B06_onboard tank (secondary pump) to compressor - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B06.rev_onboard tank to compressor - release))) Parameters
Inputs
B06_onboard tank (secondary pump) to compressor - UVCE
D3 ED (linked to Dense Gas
Dispersion: Explosive mass - B06_onboard
tank (secondary pump) to compressor -
dispersion D3 (linked to Pool evaporation -
B06_onboard tank (secondary pump) to
compressor -evaporation D3 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B06.rev_onboard tank
to compressor -release)))
B06_onboard tank (secondary pump) to compressor - UVCE
D9 ED (linked to Dense Gas
Dispersion: Explosive mass - B06_onboard
tank (secondary pump) to compressor -
dispersion D9 (linked to Pool evaporation -
B06_onboard tank (secondary pump) to
compressor -evaporation D9 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B06.rev_onboard tank
to compressor -release)))
B06_onboard tank (secondary pump) to compressor - UVCE
E5 ED (linked to Dense Gas
Dispersion: Explosive mass - B06_onboard
tank (secondary pump) to compressor -
dispersion E5 (linked to Pool evaporation -
B06_onboard tank (secondary pump) to
compressor -evaporation E5 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B06.rev_onboard tank
to compressor -release)))
B06_onboard tank (secondary pump) to compressor - UVCE
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.414 of E.425
release point and cloud centre (m) Threshold overpressure (mbar)
160 160 160 160
X-coordinate of release (m)
0 0 0 0
Y-coordinate of release (m)
0 0 0 0
Predefined wind direction
N N N N
Wind comes from (North = 0 degrees) (deg)
0 0 0 0
Results
B06_onboard tank (secondary pump) to compressor - UVCE
D3 ED (linked to Dense Gas
Dispersion: Explosive mass - B06_onboard
tank (secondary pump) to compressor -
dispersion D3 (linked to Pool evaporation -
B06_onboard tank (secondary pump) to
compressor -evaporation D3 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B06.rev_onboard tank
to compressor -release)))
B06_onboard tank (secondary pump) to compressor - UVCE
D9 ED (linked to Dense Gas
Dispersion: Explosive mass - B06_onboard
tank (secondary pump) to compressor -
dispersion D9 (linked to Pool evaporation -
B06_onboard tank (secondary pump) to
compressor -evaporation D9 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B06.rev_onboard tank
to compressor -release)))
B06_onboard tank (secondary pump) to compressor - UVCE
E5 ED (linked to Dense Gas
Dispersion: Explosive mass - B06_onboard
tank (secondary pump) to compressor -
dispersion E5 (linked to Pool evaporation -
B06_onboard tank (secondary pump) to
compressor -evaporation E5 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B06.rev_onboard tank
to compressor -release)))
B06_onboard tank (secondary pump) to compressor - UVCE
F2 ED (linked to Dense Gas
Dispersion: Explosive mass - B06_onboard
tank (secondary pump) to compressor -
dispersion F2 (linked to Pool evaporation -
B06_onboard tank (secondary pump) to
compressor -evaporation F2 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B06.rev_onboard tank
to compressor -release)))
Confined mass in explosive range (kg)
102,03 0 31,804 294,07
Total combustion energy (MJ)
5104,4 -1E94 1591,2 14713
Peak overpressure at Xd (mbar)
90,116 -1E98 61,505 127,83
Peak dynamic pressure at Xd (mbar)
6,9186 -1E98 2,714 15,857
Pressure impulse at Xd (Pa*s)
338,56 -1E100 159,14 673,34
Positive phase duration at Xd (ms)
75,139 -1E103 51,75 105,34
Dist. from 28,127 -1E100 19,071 40,028
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.415 of E.425
center mass of cloud at threshold overpressure (m) Blast-wave shape at Xd
Pressure wave *** NOT INITIALIZED Pressure wave Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
Minor damage (Zone D: 3.5 - 17 kPa).
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
No damage or very minor damage
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).
Damage to typical American-style houses at Xd
Minor damage. Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
No damage or very minor damage
No damage or very minor damage
Minor damage. Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa).
No damage or very minor damage
No damage or very minor damage
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa). Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:52:57
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.416 of E.425
B.07 Case description: B07_pump to ru - uvce D3 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D3 (linked to Pool evaporation - B07_pump to RU - evaporation D3 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B07_pump to ru - uvce D9 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion D9 (linked to Pool evaporation - B07_pump to RU - evaporation D9 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce E5 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion E5 (linked to Pool evaporation - B07_pump to RU - evaporation E5 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) compared to: B07_pump to ru - uvce F2 ED (linked to Dense Gas Dispersion: Explosive mass - B07_pump to ru - dispersion F2 (linked to Pool evaporation - B07_pump to RU - evaporation F2 (linked to Liquefied Gas Bottom Discharge (TPDIS model) - B07_pump to ru - release))) Parameters
Inputs
B07_pump to ru -uvce D3 ED (linked to
Dense Gas Dispersion: Explosive mass - B07_pump to
ru - dispersion D3 (linked to Pool evaporation -
B07_pump to RU -evaporation D3
(linked to Liquefied Gas Bottom
Discharge (TPDIS model) - B07_pump
to ru - release)))
B07_pump to ru -uvce D9 ED (linked to
Dense GasDispersion: Explosive mass - B07_pump to
ru - dispersion D9 (linked to Pool evaporation -
B07_pump to RU -evaporation D9
(linked to Liquefied Gas Bottom
Discharge (TPDIS model) - B07_pump
to ru - release)))
B07_pump to ru - uvce E5 ED (linked to
Dense Gas Dispersion: Explosive mass - B07_pump to
ru - dispersion E5 (linked to Pool evaporation -
B07_pump to RU -evaporation E5 (linked
to Liquefied Gas Bottom Discharge
(TPDIS model) -B07_pump to ru -
release)))
B07_pump to ru - uvce F2 ED (linked to Dense
Gas Dispersion: Explosive mass -B07_pump to ru -
dispersion F2 (linked to Pool evaporation -B07_pump to RU -
Not habitable without major repair works. Partial roof failures,
25% of all brick walls have failed, serious
damage to the remaining carrying
elements. Damage to windowframes and
doors (7-15 kPa).Damage to Minor damage. No damage or very Minor damage. Minor damage.
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.418 of E.425
typical American-style houses at Xd
Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
minor damage Comparable to a damage due to a
storm; wooden walls fail, breakage of
windows (7-10 kPa).
Comparable to a damage due to a storm;
wooden walls fail, breakage of windows (7-
10 kPa).
Damage to structures (empirical) at Xd
Minor damage to steel frames (8-10 kPa). Connections
between steel or aluminium ondulated plates have failed 7-
14 kPa). The roof of a storage tank has
collapsed (7 kPa).
No damage or very minor damage
Connections between steel or
aluminium ondulated plates have failed 7-
14 kPa). The roof of a storage tank has
collapsed (7 kPa).
Minor damage to steel frames (8-10 kPa).
Connections between steel or aluminium
ondulated plates have failed 7-14 kPa). The roof of a storage tank
has collapsed (7 kPa).
Other information Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 9:55:57
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.419 of E.425
B.08.REV Case description: B08_rev_vaporizer - uvce D3 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D3 pnew)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B08_rev_vaporizer - uvce D9 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE D9 pnew)) compared to: B08_rev_vaporizer - uvce E5 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE E5 pnew)) compared to: B08_rev_vaporizer - uvce F2 pNew ED (linked to Neutral Gas Dispersion: Explosive mass - B08_rev_vaporizer - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B08_rev_vaporizer - JFIRE F2 pnew)) Parameters
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.420 of E.425
(deg)
Results
B08_rev_vaporizer -uvce D3 pNew ED
(linked to Neutral Gas Dispersion: Explosive
mass -B08_rev_vaporizer -dispersion D3 pNew
(linked to Gas Jet Fire (Chamberlain model) -
B08_rev_vaporizer -JFIRE D3 pnew))
B08_rev_vaporizer -uvce D9 pNew ED
(linked to Neutral Gas Dispersion: Explosive
mass -B08_rev_vaporizer -dispersion D9 pNew
(linked to Gas Jet Fire (Chamberlain model) -
B08_rev_vaporizer -JFIRE D9 pnew))
B08_rev_vaporizer -uvce E5 pNew ED
(linked to Neutral Gas Dispersion: Explosive
mass -B08_rev_vaporizer -dispersion E5 pNew
(linked to Gas Jet Fire (Chamberlain model) -
B08_rev_vaporizer -JFIRE E5 pnew))
B08_rev_vaporizer -uvce F2 pNew ED
(linked to Neutral Gas Dispersion: Explosive
mass -B08_rev_vaporizer -dispersion F2 pNew
(linked to Gas Jet Fire (Chamberlain model) -
B08_rev_vaporizer -JFIRE F2 pnew))
Confined mass in explosive range (kg)
23,531 3,997 15,984 68,241
Total combustion energy (MJ)
1177,3 199,97 799,7 3414,1
Peak overpressure at Xd (mbar)
55,687 30,152 24,38 38,871
Peak dynamic pressure at Xd (mbar)
2,1376 1,0151 1,0151 1,0151
Pressure impulse at Xd (Pa*s)
130,6 39,904 51,326 132,15
Positive phase duration at Xd (ms)
46,905 26,469 42,105 67,994
Dist. from center mass of cloud at threshold overpressure (m)
17,249 9,5527 15,163 24,598
Blast-wave shape at Xd
Pressure wave Shock Wave Shock Wave Pressure wave
Damage (general description) at Xd
Minor damage (Zone D: 3.5 - 17 kPa).
No damage or very minor damage
No damage or very minor damage
Minor damage (Zone D: 3.5 - 17 kPa).
Damage to brick houses at Xd
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Damage to roofs, ceilings, minor crack
formation in plastering, more than
1% damage to glass panels (1 - 1.5 kPa)
Habitable after relatively easy repairs.
Minor structural damage (3 kPa).
Damage to typical American-style houses at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Damage to structures (empirical) at Xd
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
No damage or very minor damage
Other information
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.421 of E.425
Main program Effects 8.1.8.6673Chemical database DIPPR databaseChemical source DIPPR Jan2010Chemical source date 14/09/2010
Effects report created by ESLR2RH1F\andrea_silvasantos at 15/11/2013 10:00:13
Project for a new LNG regasification facility to be located in the Marsaxlokk Bay – QRA PRELIMINARY REPORT
Ref: 02-901-188098-12141-Revision 2 Page E.422 of E.425
B.09.REV Case description: B09_RU to ME - UVCE D3 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D3 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D3 pNew)) Model: Explosion (Multi Energy model) version: 5.03 (15/11/2013) Reference: Yellow Book CPR14E 3rd Edition - Chapter 5: Vapour cloud explosions compared to: B09_RU to ME - UVCE D9 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion D9 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE D9 pNew)) compared to: B09_RU to ME - UVCE E5 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE E5 pNew)) compared to: B09_RU to ME - UVCE F2 ED (linked to Neutral Gas Dispersion: Explosive mass - B09_RU to ME - dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain model) - B09_RU to ME - JFIRE F2 pNew)) Parameters
Inputs
B09_RU to ME - UVCE D3 ED (linked to Neutral Gas
Dispersion: Explosive mass - B09_RU to ME -
dispersion D3 pNew (linked to Gas Jet Fire
(Chamberlain model) -B09_RU to ME - JFIRE D3
pNew))
B09_RU to ME -UVCE D9 ED (linked
to Neutral Gas Dispersion: Explosive
mass - B09_RU to ME - dispersion D9
pNew (linked to Gas Jet Fire (Chamberlain
model) - B09_RU to ME - JFIRE D9
pNew))
B09_RU to ME -UVCE E5 ED (linked
to Neutral Gas Dispersion:
Explosive mass -B09_RU to ME -
dispersion E5 pNew (linked to Gas Jet Fire (Chamberlain
model) - B09_RU to ME - JFIRE E5
pNew))
B09_RU to ME -UVCE F2 ED (linked
to Neutral Gas Dispersion:
Explosive mass -B09_RU to ME -
dispersion F2 pNew (linked to Gas Jet Fire (Chamberlain