Risk Assessment/Hazards for Deep Water Port LNG Receiving Terminals Mike Hightower Sandia National Laboratories Prevention First 2006 Symposium September 2006 Sandia is a multiprogram laboratory operated by Sandia Corpora tion, a Lockheed Martin Company, for the United States Department of Energy under contract DE-AC04-94AL85000.
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Risk Assessment-hazards for Deep Water Port Lng Receiving Terminals
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8/8/2019 Risk Assessment-hazards for Deep Water Port Lng Receiving Terminals
Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company,for the United States Department of Energy under contract DE-AC04-94AL85000.
8/8/2019 Risk Assessment-hazards for Deep Water Port Lng Receiving Terminals
• The information and results presented areintended to be used as guidance forconducting site-specific hazard and riskanalyses
• The results are not intended to be usedprescriptively, but rather as a guide for usingperformance-based approaches to analyzeand responsibly manage risks to the public
and property from potential LNG spills overwater
8/8/2019 Risk Assessment-hazards for Deep Water Port Lng Receiving Terminals
Potential Thermal Hazards for Spills fromCommon LNG Vessels
*Nominal case: Expected outcomes of a potential breach and thermalhazards based on credible threats, best available experimental data, andnominal environmental conditions for a common LNG vessel
HOLESIZE
(m2
)
TANKSBREACHED
DISCHARGECOEFFICIENT
BURNRATE
(m/s)
SURFACEEMISSIVEPOWER
(kW/m2)
POOLDIAMETER
(m)
BURNTIME
(min)
DISTANCETO 37.5kW/m2
(m)
DISTANCETO 5
kW/m2
(m
ACCIDENTAL EVENTS
1 1 .6 3X10-4
220 148 40 177 554
2 1 .6 3X10-4
220 209 20 250 784
INTENTIONAL EVENTS
5 3 .6 3 x 10-4
220 572 8.1 630 2118
5* 1 .6
3 x 10-4
220 330 8.1 391 1305
5 1 .9 3 x 10-4
220 405 5.4 478 1579
5 1 .6 8 x 10-4
220 202 8.1 253 810
12 1 .6
3 x 10-4
220 512 3.4 602 1920
8/8/2019 Risk Assessment-hazards for Deep Water Port Lng Receiving Terminals
• Site-specific analysis of threats, conditions, and
protection goals are always needed• Existing consequence analysis methods aregenerally conservative for large spills- Use for screening, coordination of risk management
approaches
- Use to look at possible range of hazards
• The scale of the hazards to the public from alarge LNG DWP spill is ~ 2 miles for fire and ~ 3-4 miles for a vapor dispersion
• Risk management approaches should be used tobalance hazards and public protection