Key Design Engineering

1 Key Design Engineering194-55 Northfield Dr. EWaterloo, ON N2K 3T6 CanadaCOMPRESS Pressure Vessel Design CalculationsItem: Split Stream DearatorVessel No: Sample Vessel 2 Customer: Sample ProjectContract: KEY-026 Designer: Michael RodgersDate: February 16, 2011 Hydrostatic TestShop test pressure determination for Chamber bounded by F&D Head #1 and Bolted Cover #1 based onMAWP per UG-99(b)Shop hydrostatic test gauge pressure is 195 psi at 70 F (the chamber MAWP = 150 psi)The shop test is performed with the vessel in the horizontal testpressurepsiTest liquidstatic headpsiUG-99stressratioUG-99pressurefact orStressduring testpsiAllowabletest stresspsiStressexcessive?

2 Cylinder # ,29927,000 NoStraight Flange on F&D Head # ,99827,000 NoF&D Head # ,09627,000 NoBolted Cover # ,10440,500 NoFlange # ,98240,500 NoCopy of Nozzle #1 (N2) (1) ,17040,500 NoNozzle #1 (N1) ,10340,500 NoNozzle #3 (N3) ,18040,500 NoNotes:(1) Copy of Nozzle #1 (N2) limits the UG-99 stress ratio.(2) PL stresses at nozzle openings have been estimated using the method described in PVP-Vol. 399, pages 77-82.(3) * *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 field test condition has not been investigated for the Chamber bounded by F&D Head #1 and Bolted Cover # test temperature of 70 F is warmer than the minimum recommended temperature of -25 F so the brittle fractureprovision of UG-99(h) has been Of ContentsHydrostatic Test1.

3 Deficiencies Summary2. Long Seam Summary3. Settings Summary4. Pressure Summary5. Nozzle Summary6. Nozzle Schedule7. Thickness Summary8. F&D Head #19. Bolted Cover #110. Cylinder #111. Legs #112. Flange #113. Nozzle #1 (N1)14. Copy of Nozzle #1 (N2)15. Nozzle #3 (N3)16. Straight Flange on F&D Head #117. Weight Summary18. 2/78 Deficiencies SummaryNo deficiencies Seam SummaryShell Long SeamAnglesComponentSeam 1 Cylinder #1315 Shell Plate LengthsComponentStartingAnglePlate 1 Cylinder #1315 "*North is located at 0 *Plate Lengths use the circumfrence of the vessel based on the mid diameter of the components4/78 Shell Rollout5/78 Settings SummaryCOMPRESS Build 7110 Units: CustomaryDatum Line Location: " from bottom seamDesignASME Section VIII Division 1, 2010 EditionDesign or Rating:Get Thickness from PressureMinimum " per UG-16(b) Design for cold shut down only:NoDesign for lethal service (full radiography required).

4 NoDesign nozzles for: Design P, find nozzle MAWP and MAPC orrosion weight loss:100% of theoretical lossUG-23 Stress stress nozzle "Juncture calculations for > 30 only:YesPreheat P-No 1 Materials > #34 and <= " thick:NoUG-37(a) shell tr calculation considers longitudinal stress:NoButt welds are tapered per Figure (a).Hydro/Pneumatic TestShop Hydrotest times vesselMAWPTest liquid specific stress during test:90% of yieldRequired Marking - UG-116UG-116(e) Radiography:RT4UG-116(f) Postweld heat treatment:NoneCode Cases\InterpretationsUse Code Case 2547:NoApply interpretation VIII-1-83-66:NoApply interpretation VIII-1-86-175:YesApply interpretation VIII-1-83-115:NoApply interpretation VIII-1-01-37:YesNo MDMT reduction:NoNo UCS-68(c) MDMT reduction:NoDisallow UG-20(f) exemptions:No6/78UG-22 LoadingsUG-22(a) Internal or External Design Pressure.

5 YesUG-22(b) Weight of the vessel and normal contents under operating or test conditions:YesUG-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:NoUG-22(f) Seismic reactions:NoUG-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 SummaryPressure Summary for Chamber bounded by F&D Head #1 and Bolted Cover #1 IdentifierPDesign( psi)TDesign( F)MAWP( psi)MAP( psi)MAEP( psi)Teexternal( F)MDMT( F)MDMTE xemptionImpactTestedBolted Cover # 1 NoCylinder # 1 NoStraight Flange on F&D Head # 1 NoF&D Head # 2 NoLegs #1150250150N/AN/AN/AN/AN/AN/AFlange # 3 NoNozzle #1 (N1) 4 NoCopy of Nozzle #1 (N2) 5 NoNozzle #3 (N3)

6 5 NoChamber Design MDMT is -20 FChamber rated MDMT is -55 F @ 150 psiChamber MAWP was used in the MDMT determinationChamber MAWP hot & corroded is 150 psi @ 250 FChamber MAP cold & new is psi @ 70 FChamber MAEP is psi @ 250 FVacuum rings did not govern the external pressure for MDMT Rating:Note # MDMT per UHA-51(d)(1)(a) = -320 Rated MDMT per UHA-51(d)(1)(a) = -320 Rated MDMT per UHA-51(d)(1)(a) = -320 FBolts rated MDMT per Fig UCS-66 note (c) = -55 rating governs:UCS-66(b)(1)(b) impact test exemption temperature from Fig UCS-66 Curve B = -20 FFig MDMT reduction = F, (coincident ratio = )Rated MDMT is governed by UCS-66(b)(2)UCS-66 governing thickness = notes are available on the Settings Summary SummaryNozzlemarkOD(in)tn(in)Req tn(in)A1?

7 A2?ShellReinforcementPadCorr(in)Aa/Ar(%) Nom t(in) Design t(in)User t(in)Width(in)tpad(in) :Nozzle thicknessReq tn:Nozzle thickness required per UG-45/UG-16 Nom t:Vessel wall thicknessDesign t:Required vessel wall thickness due to pressure + corrosion allowance per UG-37 User 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 wall9/78 Nozzle ScheduleNozzlemarkServiceSizeMaterialsNo zzleImpactNormFineGrainPadImpactNormFine GrainFlangeN1 Nozzle #1 NPS 6 Sch 40S (Std)SA-312 TP304 Wld &smls pipeNoNoNoN/AN/AN/AN/AWN A105 Class150N2 Copy of Nozzle#1 NPS 6 Sch 40 (Std)SA-106 B Smls pipeNoNoNoN/AN/AN/AN/AWN A105 Class300N3 Nozzle #3 NPS 1 Class 3000 -threadedSA-105 NoNoNoN/AN/AN/AN/AN/A10/78 Thickness SummaryComponentIdentifierMaterialDiamet er(in)Length(in)Nominal t(in) Design t(in)Total Corrosion(in)

8 JointELoadBolted Cover #1SA-240 30421 * #1SA-240 30418 Flange on F&D Head #1SA-240 30418 Head #1SA-240 30418 * t:Vessel wall nominal thicknessDesign t:Required vessel thickness due to governing loading + corrosionJoint E:Longitudinal seam joint efficiency*Head minimum thickness after formingLoadinternal:Circumferential stress due to internal pressure governsexternal:External pressure governsWind:Combined longitudinal stress of pressure + weight + wind governsSeismic:Combined longitudinal stress of pressure + weight + seismic governs11/78F&D Head #1 ASME Section VIII, Division 1, 2010 EditionComponent:F&D HeadMaterial Specification:SA-240 304 (II-D , ln.)

9 25)Material Rated MDMT per UHA-51(d)(1)(a) = -320 FInternal Design pressure: P = 150 psi @ 250 FExternal Design pressure: Pe = 15 psi @ 250 FStatic liquid head:Ps= 0 psi (SG=1, Hs=0" Operating head)Pth= psi (SG=1, Hs= " Horizontal test head)Corrosion allowance:Inner C = 0"Outer C = 0" Design MDMT = -20 FNo impact test performedRated MDMT = -320 FMaterial is not normalizedMaterial is not produced to fine grain practicePWHT is not performedDo not Optimize MDMT / Find MAWPR adiography:Category A joints - Spot UW-11(b) Type 1 Head to shell seam - UserDefined (E = ) Estimated weight*: new = lb corr = lbCapacity*: new = US gal corr = US gal* includes straight flangeOuter diameter=18"Crown radius L=18"Knuckle radius r= "Minimum head thickness= "Straight flange length Lsf=2"Nominal straight flange thickness tsf= "Results SummaryThe governing condition is internal thickness per UG-16= " + 0" = " Design thickness due to internal pressure (t)= " Design thickness due to external pressure (te)= "Maximum allowable working pressure (MAWP)= psiMaximum allowable pressure (MAP)= psiMaximum allowable external pressure (MAEP)= psiNote.

10 Appendix 1-4 footnote 1 used to determine allowable (Corroded)M=1/4*[3 + (L / r)1/2]=1/4*[3 + (18 / )1/2]= (New)M=1/4*[3 + (L / r)1/2]=1/4*[3 + (18 / )1/2]= thickness for internal pressure, (Corroded at 250 F) Appendix 1-4(d)t=P*Lo*M / (2*S*E + P*(M - )) + Corrosion=150* * / (2*19,500* + 150*( - )) + 0= "The head internal pressure Design thickness is ".Maximum allowable working pressure, (Corroded at 250 F) Appendix 1-4(d)P=2*S*E*t / (M*Lo - t*(M - )) - Ps=2*19,500* * / ( * - *( - )) - 0= psiThe maximum allowable working pressure (MAWP) is allowable pressure, (New at 70 F) Appendix 1-4(d)P=2*S*E*t / (M*Lo - t*(M - )) - Ps=2*20,000* * / ( * - *( - )) - 0= psiThe maximum allowable pressure (MAP) is thickness for external pressure, (Corroded at 250 F) UG-33(e)Equivalent outside spherical radius (Ro)=Outside crown radius= inA= / (Ro / t)= / ( / )= TableHA-1.