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Pressure Vessel Engineering
120 Randall Drive, Suite B
Waterloo, Ontario, Canada
N2V 1C6
COMPRESS Pressure Vessel Design Calculations
Item: Generic VesselVessel No: PVE-6847Customer: Pressure Vessel EngineeringDesigner: T. Briant, Brandon Twolan, Brian Munn
Date: Tuesday, June 18, 2013
Table Of ContentsSettings Summary1.
Nozzle Schedule2.
Nozzle Summary3.
Pressure Summary4.
Thickness Summary5.
Weight Summary6.
Hydrostatic Test7.
Ellipsoidal Head, Top8.
Straight Flange on Ellipsoidal Head, Top9.
Shell10.
Straight Flange on Ellipsoidal Head, Bottom11.
Ellipsoidal Head, Bottom12.
NPS 6" (N1)13.
NPS 4" (N1)14.
NPS 3" (N1)15.
NPS 2.5 (N1)16.
2.5" CL 3000 (N2)17.
2" CL 3000 (N2)18.
1.5" CL 3000 (N2)19.
1" CL 3000 (N2)20.
2" CL 3000 (N3)21.
1.5" CL 3000 (N3)22.
1" CL 3000 (N3)23.
Component Commentary24.
Wind Code25.
Seismic Code26.
Support Skirt27.
Skirt Opening 1 (SO 1)28.
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Settings Summary
COMPRESS 2013 Build 7320
Units: U.S. Customary
Datum Line Location: 0.00" from bottom seam
Design
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
Design or Rating: Get Thickness from PressureMinimum thickness: 0.0938" per UG-16(b)Design for cold shut down only: NoDesign for lethal service (full radiography required): NoDesign nozzles for: Design P onlyCorrosion weight loss: 100% of theoretical lossUG-23 Stress Increase: 1.20Skirt/legs stress increase: 1.0Minimum nozzle projection: 1"Juncture calculations for α > 30 only: NoPreheat P-No 1 Materials > 1.25" and <= 1.50" thick: NoUG-37(a) shell tr calculation considers longitudinal stress: NoButt welds are tapered per Figure UCS-66.3(a).
Hydro/Pneumatic Test
Shop Hydrotest Pressure: 1.3 times vesselMAWP
Test liquid specific gravity: 1.00Maximum stress during test: 90% of yield
Use Code Case 2547: NoApply interpretation VIII-1-83-66: YesApply interpretation VIII-1-86-175: YesApply interpretation VIII-1-01-37: YesNo UCS-66.1 MDMT reduction: YesNo UCS-68(c) MDMT reduction: YesDisallow UG-20(f) exemptions: No
UG-22 Loadings
UG-22(a) Internal or External Design Pressure : YesUG-22(b) Weight of the vessel and normal contents under operating or test conditions: Yes
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UG-22(c) Superimposed static reactions from weight of attached equipment (external loads): NoUG-22(d)(2) Vessel supports such as lugs, rings, skirts, saddles and legs: YesUG-22(f) Wind reactions: YesUG-22(f) Seismic reactions: YesUG-22(j) Test pressure and coincident static head acting during the test: YesNote: UG-22(b),(c) and (f) loads only considered when supports are present.
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Nozzle Schedule
Nozzlemark Service Size Materials Impact
Tested Normalized Fine Grain Flange Blind
N1 NPS 4" NPS 4 Sch 40 (Std) Nozzle SA-106 B Smls pipe No No No NPS 4 Class 150SO A105 No
N1 NPS 3" NPS 3 Sch 40 (Std) Nozzle SA-106 B Smls pipe No No No NPS 3 Class 150SO A105 No
N1 NPS 2.5 NPS 2.5 Sch 40 (Std) Nozzle SA-106 B Smls pipe No No No NPS 2 1/2 Class 150SO A105 No
N1 NPS 6" NPS 6 Sch 40 (Std) Nozzle SA-106 B Smls pipe No No No NPS 6 Class 150SO A105 No
N2 1" CL 3000 NPS 1 Class 3000 - threaded Nozzle SA-105 No No No N/A No
N2 2.5" CL 3000 NPS 2.5 Class 3000 - threaded Nozzle SA-105 No No No N/A No
N2 2" CL 3000 NPS 2 Class 3000 - threaded Nozzle SA-105 No No No N/A No
N2 1.5" CL 3000 NPS 1.5 Class 3000 - threaded Nozzle SA-105 No No No N/A No
N3 1.5" CL 3000 NPS 1.5 Class 3000 - threaded Nozzle SA-105 No No No N/A No
N3 2" CL 3000 NPS 2 Class 3000 - threaded Nozzle SA-105 No No No N/A No
N3 1" CL 3000 NPS 1 Class 3000 - threaded Nozzle SA-105 No No No N/A No
tn: Nozzle thicknessReq tn: Nozzle thickness required per UG-45/UG-16Nom t: Vessel wall thicknessDesign t: Required vessel wall thickness due to pressure + corrosion allowance per UG-37User t: Local vessel wall thickness (near opening)Aa: Area available per UG-37, governing conditionAr: Area required per UG-37, governing conditionCorr: Corrosion allowance on nozzle wall* Head minimum thickness after forming
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Pressure Summary
Pressure Summary for Chamber bounded by Ellipsoidal Head, Bottom and Ellipsoidal Head, Top
IdentifierP
Design( psi)
T
Design( °F)
MAWP( psi)
MDMT( °F)
MDMTExemption
ImpactTested
Ellipsoidal Head, Top 200 250 288 -20 Note 1 No
Straight Flange on Ellipsoidal Head, Top 200 250 317.62 -20 Note 2 No
Shell 200 250 310.85 -20 Note 3 No
Straight Flange on Ellipsoidal Head, Bottom 200 250 314.08 -20 Note 2 No
Ellipsoidal Head, Bottom 200 250 284.02 -20 Note 4 No
NPS 6" (N1) 200 250 200 -20 Note 5 No
NPS 4" (N1) 200 250 200 -20 Note 6 No
NPS 3" (N1) 200 250 200 -20 Note 6 No
NPS 2.5 (N1) 200 250 200 -20 Note 6 No
2" CL 3000 (N2) 200 250 200 -20 Note 7 No
1.5" CL 3000 (N2) 200 250 200 -20 Note 8 No
1" CL 3000 (N2) 200 250 200 -20 Note 9 No
2.5" CL 3000 (N2) 200 250 200 -20 Note 10 No
1" CL 3000 (N3) 200 250 200 -20 Note 9 No
1.5" CL 3000 (N3) 200 250 200 -20 Note 11 No
2" CL 3000 (N3) 200 250 200 -20 Note 11 No
Chamber design MDMT is -20 °FChamber rated MDMT is -20 °F @ 200 psi
Chamber MAWP hot & corroded is 200 psi @ 250 °F
This pressure chamber is not designed for external pressure.
Notes for Maximum Pressure Rating:
Note # Details
1. Option to calculate MAP was not selected. See the Calculation->General tab of the Set Modedialog.
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Notes for MDMT Rating:
Note # Exemption Details
1. Straight Flange governs MDMT
2. Material is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.3125 in
3. Material is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.375 in
4. Straight Flange governs MDMT
5. Nozzle is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.245 in.
6. Flange rating governs: UCS-66(b)(1)(b)
7. Nozzle is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.3125 in.
8. Nozzle is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.3 in.
9. Nozzle is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.2175 in.
10. Nozzle is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.375 in.
11. Nozzle is impact test exempt per UG-20(f) UCS-66 governing thickness = 0.2813 in.
Design notes are available on the Settings Summary page.
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Thickness Summary
ComponentIdentifier
Material Diameter(in)
Length(in)
Nominal t(in)
Design t(in)
Total Corrosion(in)
JointE
Load
Ellipsoidal Head, Top SA-414 G 36 OD 9.1406 0.2813* 0.1963 0 0.85 Internal
Straight Flange on Ellipsoidal Head, Top SA-414 G 36 OD 2 0.3125 0.1975 0 0.85 Internal
Shell SA-414 G 36 OD 96 0.375 0.2437 0 0.70 Internal
Straight Flange on Ellipsoidal Head, Bottom SA-414 G 36 OD 2 0.3125 0.2009 0 0.85 Internal
Ellipsoidal Head, Bottom SA-414 G 36 OD 9.1406 0.2813* 0.2001 0 0.85 Internal
Support Skirt SA-36 36 ID 24 0.1875 0.0588 0 0.55 Seismic
Nominal t: Vessel wall nominal thickness
Design t: Required vessel thickness due to governing loading + corrosion
Joint E: Longitudinal seam joint efficiency
* Head minimum thickness after forming
Load
internal: Circumferential stress due to internal pressure governs
Vessel center of gravity location - from datum - lift condition
Vessel Lift Weight, New: 1,617 lbCenter of Gravity: 40.7766"
Vessel Capacity
Vessel Capacity** (New): 473 US galVessel Capacity** (Corroded): 473 US gal**The vessel capacity does not include volume of nozzle, piping or other attachments.
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Hydrostatic Test
Shop test pressure determination for Chamber bounded by Ellipsoidal Head, Bottom and Ellipsoidal Head,Top based on MAWP per UG-99(b)
Shop hydrostatic test gauge pressure is 260 psi at 70 °F (the chamber MAWP = 200 psi)
The shop test is performed with the vessel in the horizontal position.
IdentifierLocal testpressure
psi
Test liquidstaticheadpsi
UG-99(b)stressratio
UG-99(b)pressure
factor
Stressduring
testpsi
Allowabletest stress
psi
Stressexcessive?
Ellipsoidal Head, Top (1) 261.299 1.299 1 1.30 14,813 40,500 No
Straight Flange on Ellipsoidal Head, Top 261.298 1.298 1 1.30 14,920 40,500 No
Shell 261.295 1.295 1 1.30 12,411 40,500 No
Straight Flange on Ellipsoidal Head,Bottom 261.298 1.298 1 1.30 14,920 40,500 No
Ellipsoidal Head, Bottom 261.299 1.299 1 1.30 14,816 40,500 No
NPS 2.5 (N1) 260.704 0.704 1 1.30 18,496 60,750 No
NPS 3" (N1) 261.086 1.086 1 1.30 20,181 60,750 No
NPS 4" (N1) 261.352 1.352 1 1.30 22,702 60,750 No
NPS 6" (N1) 261.417 1.417 1 1.30 26,797 60,750 No
Notes:(1) Ellipsoidal Head, Top limits the UG-99(b) stress ratio.(2) PL stresses at nozzle openings have been estimated using the method described in PVP-Vol. 399, pages 77-82.(3) 1.5*0.9*Sy used as the basis for the maximum local primary membrane stress at the nozzle intersection PL.(4) The zero degree angular position is assumed to be up, and the test liquid height is assumed to the top-mostflange.
The field test condition has not been investigated for the Chamber bounded by Ellipsoidal Head, Bottom andEllipsoidal Head, Top.
The test temperature of 70 °F is warmer than the minimum recommended temperature of 10 °F so the brittle fractureprovision of UG-99(h) has been met.
Design MDMT = -20°F No impact test performedRated MDMT = -20°F Material is not normalized
Material is not produced to fine grain practicePWHT is not performedDo not Optimize MDMT / Find MAWP
Radiography: Category A joints - Seamless No RT Head to shell seam - None UW-11(c) Type 1
Estimated weight*: new = 137.3 lb corr = 137.3 lbCapacity*: new = 33.7 US gal corr = 33.7 US gal* includes straight flange
Outer diameter = 36"Minimum head thickness = 0.2813"Head ratio D/2h = 2 (new)Head ratio D/2h = 2 (corroded)Straight flange length Lsf = 2"Nominal straight flange thickness tsf = 0.3125"Results Summary
The governing condition is internal pressure.Minimum thickness per UG-16 = 0.0938" + 0" = 0.0938"Design thickness due to internal pressure (t) = 0.1963"Maximum allowable working pressure (MAWP) = 288 psi
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
Component: Straight FlangeMaterial specification: SA-414 G (II-D p. 22, ln. 21)Material is impact test exempt per UG-20(f)UCS-66 governing thickness = 0.3125 in
Hot Shut Down, Corroded, Weight& Eccentric Moments Only 0 21,400 18,519 250 0 Weight 0.0001 0.0001
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Shell
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
Component: CylinderMaterial specification: SA-414 G (II-D p. 22, ln. 21)Material is impact test exempt per UG-20(f)UCS-66 governing thickness = 0.375 in
Hot Shut Down, Corroded, Weight& Eccentric Moments Only 0 21,400 18,692 250 0 Weight 0.0006 0.0007
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Straight Flange on Ellipsoidal Head, Bottom
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
Component: Straight FlangeMaterial specification: SA-414 G (II-D p. 22, ln. 21)Material is impact test exempt per UG-20(f)UCS-66 governing thickness = 0.3125 in
Design MDMT = -20°F No impact test performedRated MDMT = -20°F Material is not normalized
Material is not produced to fine grain practicePWHT is not performedDo not Optimize MDMT / Find MAWP
Radiography: Category A joints - Seamless No RT Head to shell seam - None UW-11(c) Type 1
Estimated weight*: new = 136.1 lb corr = 136.1 lbCapacity*: new = 33.7 US gal corr = 33.7 US gal* includes straight flange
Outer diameter = 36"Minimum head thickness = 0.2813"Head ratio D/2h = 2 (new)Head ratio D/2h = 2 (corroded)Straight flange length Lsf = 2"Nominal straight flange thickness tsf = 0.3125"Results Summary
The governing condition is internal pressure.Minimum thickness per UG-16 = 0.0938" + 0" = 0.0938"Design thickness due to internal pressure (t) = 0.2001"Maximum allowable working pressure (MAWP) = 284.02 psi
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0.375 inLeg41 = 0.3125 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 180°Nozzle center line offset to datum line: 4.875 inEnd of nozzle to shell center: 21 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-106 B Smls pipe (II-D p. 10, ln. 40)Description: NPS 6 Sch 40 (Std)Inside diameter, new: 6.065 inNominal wall thickness: 0.28 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 2.72 inProjection available outside vessel to flange face, Lf: 3 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 4.875 inLiquid static head included: 3.7908 psiLongitudinal joint efficiency: 1
External fillet weld leg (UW-21): 0.392 in (0.392 in min)Internal fillet weld leg (UW-21): 0.25 in (0.25 in min)PWHT performed: NoReinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (in2)For P = 203.79 psi @ 250 °F
The nozzle is exempt from weld strength calculationsper UW-15(b)(1)
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.196 0.2188 weld size is adequate
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NPS 4" (N1)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0.375 inLeg41 = 0.25 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 150°Nozzle center line offset to datum line: 3.25 inEnd of nozzle to shell center: 21 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-106 B Smls pipe (II-D p. 10, ln. 40)Description: NPS 4 Sch 40 (Std)Inside diameter, new: 4.026 inNominal wall thickness: 0.237 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 2.763 inProjection available outside vessel to flange face, Lf: 3 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 3.25 inLiquid static head included: 3.8127 psiLongitudinal joint efficiency: 1
External fillet weld leg (UW-21): 0.3318 in (0.3318 in min)Internal fillet weld leg (UW-21): 0.237 in (0.237 in min)PWHT performed: NoReinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (in2)For P = 203.81 psi @ 250 °F
The nozzle is exempt from weld strength calculationsper UW-15(b)(1)
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1659 0.175 weld size is adequate
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NPS 3" (N1)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0.375 inLeg41 = 0.25 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 120°Nozzle center line offset to datum line: 2.375 inEnd of nozzle to shell center: 21 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-106 B Smls pipe (II-D p. 10, ln. 40)Description: NPS 3 Sch 40 (Std)Inside diameter, new: 3.068 inNominal wall thickness: 0.216 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 2.784 inProjection available outside vessel to flange face, Lf: 3 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 2.375 inLiquid static head included: 3.827 psiLongitudinal joint efficiency: 1
External fillet weld leg (UW-21): 0.3024 in (0.3024 in min)Internal fillet weld leg (UW-21): 0.216 in (0.216 in min)PWHT performed: NoReinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (in2)For P = 203.83 psi @ 250 °F
The nozzle is exempt from weld strength calculationsper UW-15(b)(1)
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1512 0.175 weld size is adequate
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NPS 2.5 (N1)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0.375 inLeg41 = 0.25 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 90°Nozzle center line offset to datum line: 2 inEnd of nozzle to shell center: 21 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-106 B Smls pipe (II-D p. 10, ln. 40)Description: NPS 2.5 Sch 40 (Std)Inside diameter, new: 2.469 inNominal wall thickness: 0.203 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 2.797 inProjection available outside vessel to flange face, Lf: 3 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 2 inLiquid static head included: 3.8297 psiLongitudinal joint efficiency: 1
External fillet weld leg (UW-21): 0.2842 in (0.2842 in min)Internal fillet weld leg (UW-21): 0.203 in (0.203 in min)PWHT performed: NoReinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (in2)For P = 203.83 psi @ 250 °F
The nozzle is exempt from weld strength calculationsper UW-15(b)(1)
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1421 0.175 weld size is adequate
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2.5" CL 3000 (N2)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0 inLeg41 = 0.25 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 60°Nozzle center line offset to datum line: 2.5 inEnd of nozzle to shell center: 19 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-105 (II-D p. 18, ln. 5)Description: NPS 2.5 Class 3000 - threadedInside diameter, new: 2.875 inNominal wall thickness: 0.375 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 1 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 2.5 inLiquid static head included: 3.819 psiLongitudinal joint efficiency: 1Reinforcement Calculations for Internal Pressure
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UG-37 Area Calculation Summary (in2)For P = 203.82 psi @ 250 °F
The opening is adequately reinforced
UG-45 NozzleWall
ThicknessSummary (in)The nozzle passes
UG-45
Arequired
Aavailable A1 A2 A3 A5
Awelds treq tmin
0.491 0.4923 0.4339 -- -- -- 0.0584 0.0938 0.375
UG-41 Weld Failure Path Analysis Summary (lbf)All failure paths are stronger than the applicable weld loads
Weld loadW
Weld loadW1-1
Path 1-1strength
Weld loadW2-2
Path 2-2strength
4,499.97 1,249.76 40,752.35 7,268.51 13,950.63
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1708 0.175 weld size is adequate
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2" CL 3000 (N2)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0 inLeg41 = 0.3125 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 20°Nozzle center line offset to datum line: 2 inEnd of nozzle to shell center: 19 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-105 (II-D p. 18, ln. 5)Description: NPS 2 Class 3000 - threadedInside diameter, new: 2.375 inNominal wall thickness: 0.3125 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 1 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 2 inLiquid static head included: 3.828 psiLongitudinal joint efficiency: 1Reinforcement Calculations for Internal Pressure
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UG-37 Area Calculation Summary (in2)For P = 203.83 psi @ 250 °F
UG-41 Weld Failure Path Analysis Summary (lbf)All failure paths are stronger than the applicable weld loads
Weld loadW
Weld loadW1-1
Path 1-1strength
Weld loadW2-2
Path 2-2strength
4,311.19 1,953.82 32,900.82 6,969.45 14,431.69
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1708 0.2188 weld size is adequate
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1.5" CL 3000 (N2)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0 inLeg41 = 0.3125 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 340°Nozzle center line offset to datum line: 1.625 inEnd of nozzle to shell center: 19 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-105 (II-D p. 18, ln. 5)Description: NPS 1.5 Class 3000 - threadedInside diameter, new: 1.9 inNominal wall thickness: 0.3 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 1 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 1.625 inLiquid static head included: 3.8329 psiLongitudinal joint efficiency: 1Reinforcement Calculations for Internal Pressure
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UG-37 Area Calculation Summary (in2)For P = 203.83 psi @ 250 °F
The opening is adequately reinforced
UG-45Nozzle WallThicknessSummary
(in)The nozzle
passes UG-45
Arequired
Aavailable A1 A2 A3 A5
Awelds treq tmin
0.3245 0.367 0.2757 -- -- -- 0.0913 0.0938 0.3
UG-41 Weld Failure Path Analysis Summary (lbf)All failure paths are stronger than the applicable weld loads
Weld loadW
Weld loadW1-1
Path 1-1strength
Weld loadW2-2
Path 2-2strength
3,666.68 1,953.82 26,540.57 6,768.82 12,026.41
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1708 0.2188 weld size is adequate
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1" CL 3000 (N2)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
tw(lower) = 0 inLeg41 = 0.1875 in
Note: round inside edges per UG-76(c)
Location and OrientationLocated on: ShellOrientation: 300°Nozzle center line offset to datum line: 1.25 inEnd of nozzle to shell center: 19 inPasses through a Category A joint: No
NozzleAccess opening: NoMaterial specification: SA-105 (II-D p. 18, ln. 5)Description: NPS 1 Class 3000 - threadedInside diameter, new: 1.315 inNominal wall thickness: 0.2175 inCorrosion allowance: 0 inProjection available outside vessel, Lpr: 1 inLocal vessel minimum thickness: 0.375 inUser input radial limit of reinforcement: 1.25 inLiquid static head included: 3.8359 psiLongitudinal joint efficiency: 1Reinforcement Calculations for Internal Pressure
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UG-37 Area Calculation Summary (in2)For P = 203.84 psi @ 250 °F
The opening is adequately reinforced
UG-45 NozzleWall
ThicknessSummary (in)The nozzle passes
UG-45
Arequired
Aavailable A1 A2 A3 A5
Awelds treq tmin
0.2246 0.2749 0.242 -- -- -- 0.0329 0.0938 0.2175
UG-41 Weld Failure Path Analysis Summary (lbf)All failure paths are stronger than the applicable weld loads
Weld loadW
Weld loadW1-1
Path 1-1strength
Weld loadW2-2
Path 2-2strength
1,528.58 704.06 12,381.15 4,194.93 5,051.09
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1268 0.1312 weld size is adequate
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2" CL 3000 (N3)
ASME Section VIII Division 1, 2010 Edition, A11 Addenda
Location and OrientationLocated on: Ellipsoidal Head, BottomOrientation: 270°End of nozzle to datum line: -8.7452 inCalculated as hillside: YesDistance to head center, R: 15.5 inPasses through a Category A joint: No
Location and OrientationLocated on: Ellipsoidal Head, BottomOrientation: 0°End of nozzle to datum line: -8.5845 inCalculated as hillside: YesDistance to head center, R: 15.5 inPasses through a Category A joint: No
Location and OrientationLocated on: Ellipsoidal Head, BottomOrientation: 180°End of nozzle to datum line: -8.3286 inCalculated as hillside: YesDistance to head center, R: 15.5 inPasses through a Category A joint: No
This nozzle is exempt from areacalculations per UG-36(c)(3)(a) 0.0938 0.2175
UG-41 Weld Failure Path Analysis Summary
The nozzle is exempt from weld strength calculationsper UW-15(b)(2)
UW-16 Weld Sizing Summary
Weld description Required weldthroat size (in)
Actual weldthroat size (in) Status
Nozzle to shell fillet (Leg41) 0.1522 0.175 weld size is adequate
This opening does not require reinforcement per UG-36(c)(3)(a)
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Component Commentary Report
Wind CodeSeismic Code
Commentary for Wind Code:Wind calculated for highest location value.Back to top
Commentary for Seismic Code:Seismic calculated for highest location value.Back to top
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Wind Code
Building Code: NBC Canada 2005Elevation of base above grade: 0.0000 ft (0.0000 m)Increase effective outer diameter by: 0.0000 ft (0.0000 m) Pressure Coefficient, Cp: 0.5400
*Moment of Inertia I varies over the length of the component
Base Shear Calculations
Operating, CorrodedEmpty, Corroded
Base Shear Calculations: Operating, Corroded
Fundamental Period computed by Rayleigh approximation: 0.030The design spectral response acceleration, S(Ta) per 4.1.8.4.(6): 2.3000Higher mode factor, Mv per 4.1.8.11.(5): 1.0000
Fundamental Period computed by Rayleigh approximation: 0.015The design spectral response acceleration, S(Ta) per 4.1.8.4.(6): 2.3000Higher mode factor, Mv per 4.1.8.11.(5): 1.0000
Weight on left saddle: operating corr =2,680 lb, test new =2,680 lbWeight on right saddle: operating corr =2,680 lb, test new =2,680 lbWeight of saddle pair =156 lb
Notes:(1) Saddle calculations are based on the method presented in "Stresses in Large Cylindrical Pressure Vessels onTwo Saddle Supports" by L.P. Zick.
Seismic base shear on vessel
Vessel is assumed to be a rigid structure.
Method of seismic analysis:NBCCanada2005
Vertical seismic accelerations considered: NoImportance factor: IE = 1Spectral response acceleration value at 0.2 s: Sa(0.2) = 2.3Acceleration based site coefficient: Fa = 1Response modification factor: Rp = 1Seismic coefficient: Cp = 1Response factor: Ar = 1Vessel elevation: hx = 0 inStructure total height: hn = 0 in