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{{#Wiki_filter:60DayResponsetoIEBulletinNo.79-14SeismicAnalysisforAs-Built.SafetyRelatedPipingSystemsR.E.GinnaNuclearPowerPlant,UnitNo.1Docket,50-244Introductiona)b)c)d)e)Our30DayResponsetoIEBulletinNo.79-14submittedonJuly31,1979includesbackgroundinformationontheseismicqualificationmethodsusedatGinnaStation,andadescriptionofthe79-14inspectionandevaluationprogramscopeandschedule.TheinspectionandevaluationprogramforSeismicCategoryIpipingsystemsinsidecontainmenthasbeencompleted.Theresultsoftheseevaluationsaresum-marizedinthisreport.Thescheduleforpreparationandrevisionofthedrawingsdescribedinour30dayreporthasbeenrevised.Thedrawingsforpipingin-sidecontainmentwillnowbecompletedwithin120daysofthedateofthebulletin;andthedrawingsforpipingoutsidecontainmentwillbecompletedwithin180daysofthedateofthebulletin.Inspectionandevalua-tionofpipingsystemsoutsidecontainmentwillbecom-pletedwithin120daysofthedateofthebulletin.Alistingofdrawingsusedtoestablishdesignrequire-mentswasattachedtothe30DayResponse.Attachment,1tothisreportisarevisedlistingofthedrawings.Thelistidentifiespipingandinstrumentationdiagrams,pipinglayoutdrawings,andpipinganalysisdrawingsusedtoinspectandevaluateeachsystem.TheinspectionandevaluationofpipingsystemsinsidecontaifunentwasperformedpriortotheAugust15,1979issuanceofthesupplementtoIEBulletin79-14.Attach-ment2tothisreportdescribesthemethodsofinspec-tion,evaluation,andnonconformancecontrolusedforpipinginsidecontainment.Theresultsoftheinspectionsandevaluationsaresum-marizedintwoparts:first,theReactorCoolantSystemandpipingsystemswhichwereoriginallyqualifiedbyequivalentstaticanalysesandsecond,pipingsystems,orportionsofsystems,whichwerequalifiedbydynamicanalysis.Theresultsarealsopresentedinthesamesequenceofsystemsusedinthedrawingindex,Attachment1.v9>00800&4::
{{#Wiki_filter:60DayResponsetoIEBulletinNo.79-14SeismicAnalysisforAs-Built.
SafetyRelatedPipingSystemsR.E.GinnaNuclearPowerPlant,UnitNo.1Docket,50-244Introduction a)b)c)d)e)Our30DayResponsetoIEBulletinNo.79-14submitted onJuly31,1979includesbackground information ontheseismicqualification methodsusedatGinnaStation,andadescription ofthe79-14inspection andevaluation programscopeandschedule.
Theinspection andevaluation programforSeismicCategoryIpipingsystemsinsidecontainment hasbeencompleted.
Theresultsoftheseevaluations aresum-marizedinthisreport.Thescheduleforpreparation andrevisionofthedrawingsdescribed inour30dayreporthasbeenrevised.Thedrawingsforpipingin-sidecontainment willnowbecompleted within120daysofthedateofthebulletin; andthedrawingsforpipingoutsidecontainment willbecompleted within180daysofthedateofthebulletin.
Inspection andevalua-tionofpipingsystemsoutsidecontainment willbecom-pletedwithin120daysofthedateofthebulletin.
Alistingofdrawingsusedtoestablish designrequire-mentswasattachedtothe30DayResponse.
Attachment, 1tothisreportisarevisedlistingofthedrawings.
Thelistidentifies pipingandinstrumentation
: diagrams, pipinglayoutdrawings, andpipinganalysisdrawingsusedtoinspectandevaluateeachsystem.Theinspection andevaluation ofpipingsystemsinsidecontaifunent wasperformed priortotheAugust15,1979issuanceofthesupplement toIEBulletin79-14.Attach-ment2tothisreportdescribes themethodsofinspec-tion,evaluation, andnonconformance controlusedforpipinginsidecontainment.
Theresultsoftheinspections andevaluations aresum-marizedintwoparts:first,theReactorCoolantSystemandpipingsystemswhichwereoriginally qualified byequivalent staticanalysesandsecond,pipingsystems,orportionsofsystems,whichwerequalified bydynamicanalysis.
Theresultsarealsopresented inthesamesequenceofsystemsusedinthedrawingindex,Attachment 1.v9>00800&4::
4e(
4e(
2.ReactorCoolantSstemandCateorIPiin2~~InchNominalPieSizeandLarerSea.smxcalluglifiedUsinEivalentState.cAnalses(a)TheresultspresentedherearebasedontheinspectionandevaluationmethodsdiscussedinAttachment2ofthisreport.Nonconformancesandtheirevaluationsanddispositionsareidentifiedforthosedeviationswhichwereoutsidetheestablishedacceptancecriteria.Alllineslistedbelowwereevaluatedandfoundacceptableintheasbuiltconditionorrepairsmade.(b)ReactorCoolantSystem1.PrimaryLoopNoNonconformances2.SurgePipingNoNonconformances3.PressurizertoPCV434.NoNonconformancesPressurizertoPCV4355.NoNonconformancesPressurizertoPCV430andPCV431CNoNonconformances6.PressurizerSprayLinesFromR.C.LoopsthroughPCV431McBNCR-G-79-119-1SupportPS-15isinstalledatelevation247'-9".Thedesignelevationis244'-9".Thesupportisintendedtoprotectthenozzleontheprimaryloop.Theinstalledlocationisclosertothenozzle,whichwillfurtherreduceloadsonthenozzle.Evaluation:Use-as-isNCR-G-79-119-2SupportPS-22isinstalledatelevation279'4".Thedesignelevationis280'-6".Thesupportisclosertothevalvesprovidingforadditionalrestraint.Evaluation:Use-as-is.  
2.ReactorCoolantSstemandCateorIPiin2~~InchNominalPieSizeandLarerSea.smxcall uglifiedUsinEivalentState.cAnalses(a)Theresultspresented herearebasedontheinspection andevaluation methodsdiscussed inAttachment 2ofthisreport.Nonconformances andtheirevaluations anddispositions areidentified forthosedeviations whichwereoutsidetheestablished acceptance criteria.
Alllineslistedbelowwereevaluated andfoundacceptable intheasbuiltcondition orrepairsmade.(b)ReactorCoolantSystem1.PrimaryLoopNoNonconformances 2.SurgePipingNoNonconformances 3.Pressurizer toPCV434.NoNonconformances Pressurizer toPCV4355.NoNonconformances Pressurizer toPCV430andPCV431CNoNonconformances 6.Pressurizer SprayLinesFromR.C.LoopsthroughPCV431McBNCR-G-79-119-1 SupportPS-15isinstalled atelevation 247'-9".Thedesignelevation is244'-9".Thesupportisintendedtoprotectthenozzleontheprimaryloop.Theinstalled locationisclosertothenozzle,whichwillfurtherreduceloadsonthenozzle.Evaluation:
Use-as-is NCR-G-79-119-2 SupportPS-22isinstalled atelevation 279'4".Thedesignelevation is280'-6".Thesupportisclosertothevalvesproviding foradditional restraint.
Evaluation:
Use-as-is.  


(c)MainSteamSystem1.FromSteamGeneratorlAtoPen.4401NoNonconformances2.FromSteamGenerator.1BtoPen;0402NoNonconformances(d)FeedwaterSystem1.FromPen.4403toSteamGenerator1ANoNonconformances2.FromPen.5404toSteamGenerator1BNoNonconformances(e)SafetyInjectionSystem1.FromAccumulator"A"toR.C.LoopBNoNonconformances2.Accumulator"B"toR.C.LoopANCR-G-79-119-3Valve865assumedtoweigh1100lbs.actuallyweighs2550lbs.Sincethevalveislocatedonlyteninchesfromananchor,thestressduetotheincreasedweightisnotsignificant:Themaximumseismicstressassumingthevalveweighs1100lbs.is3778psi.Evaluation:Use-as-is.3.Pen.5101toValves878CSDNCR-G-79-119-4SupportSI-84isrelocatedaroundanelbow,1'-6"fromthedesignlocation.Sincethisisaspringsupport,itwillhavenegligibleeffect.onseismicstresses.Thedeadloadstressis3944psiwiththesupportintheas-builtlocation,Evaluation:Use-as-is  
(c)MainSteamSystem1.FromSteamGenerator lAtoPen.4401NoNonconformances 2.FromSteamGenerator.
1BtoPen;0402NoNonconformances (d)Feedwater System1.FromPen.4403toSteamGenerator 1ANoNonconformances 2.FromPen.5404toSteamGenerator 1BNoNonconformances (e)SafetyInjection System1.FromAccumulator "A"toR.C.LoopBNoNonconformances 2.Accumulator "B"toR.C.LoopANCR-G-79-119-3 Valve865assumedtoweigh1100lbs.actuallyweighs2550lbs.Sincethevalveislocatedonlyteninchesfromananchor,thestressduetotheincreased weightisnotsignificant:
Themaximumseismicstressassumingthevalveweighs1100lbs.is3778psi.Evaluation:
Use-as-is.
3.Pen.5101toValves878CSDNCR-G-79-119-4 SupportSI-84isrelocated aroundanelbow,1'-6"fromthedesignlocation.
Sincethisisaspringsupport,itwillhavenegligible effect.onseismicstresses.
Thedeadloadstressis3944psiwiththesupportintheas-builtlocation, Evaluation:
Use-as-is  


NCR-G-79-119-5Angleswereaddedattwolocationswhichjointhe4"and6"containmentspraylinesprovidingaddi-tionalstiffnesstotheline.Evaluation:Use-as-is.NCR-G-79-119-6Thepipingwasreroutedatthepenetration.Anadditionalverticalrestraintwasadded.Thelineis,acceptableinas-builtcondition.Evaluation:Use-as-is.Pen.0113toValves878ASBNCR-G-79-119-7SupportSI-93islocated1'-0"southwestofdesign,.location.Also,SI-93isrotateddown30'.TheinstalledlocationandorientationareacceptablesincespacingisstillwithinB31.1allowablesandthesupportwillstillprovidethenecessarylateralrestraint.AnanglewasaddednearSI-93joining.this4"pipetoa2"pipe.Thissupportprovidesadditionalstiffnesstobothpipingsystems.Evaluation:Use-as-is.5.ContainmentSumptoPen.4141NoNonconformances6.ContainmentSumptoPen.5142No.Nonconformances(f)ResidualHeat;RemovalFromPenetration5140toReactorCoolantLoopANCR-G-79-119-8SupportRH-7is2'-7"southofdesignedlocation.Thisconditionwasincludedinthereanalysisperformedfortherevisedresponseto,IEBulletinNo.79-07,July26,1979.Evaluaton:Use-as-is.2.FromPenetration4111toReactorandReactorCoolantLoopB
NCR-G-79-119-5 Angleswereaddedattwolocations whichjointhe4"and6"containment spraylinesproviding addi-tionalstiffness totheline.Evaluation:
Use-as-is.
NCR-G-79-119-6 Thepipingwasreroutedatthepenetration.
Anadditional verticalrestraint wasadded.Thelineis,acceptable inas-builtcondition.
Evaluation:
Use-as-is.
Pen.0113toValves878ASBNCR-G-79-119-7 SupportSI-93islocated1'-0"southwest ofdesign,.location.
Also,SI-93isrotateddown30'.Theinstalled locationandorientation areacceptable sincespacingisstillwithinB31.1allowables andthesupportwillstillprovidethenecessary lateralrestraint.
AnanglewasaddednearSI-93joining.this4"pipetoa2"pipe.Thissupportprovidesadditional stiffness tobothpipingsystems.Evaluation:
Use-as-is.
5.Containment SumptoPen.4141NoNonconformances 6.Containment SumptoPen.5142No.Nonconformances(f)ResidualHeat;RemovalFromPenetration 5140toReactorCoolantLoopANCR-G-79-119-8 SupportRH-7is2'-7"southofdesignedlocation.
Thiscondition wasincludedinthereanalysis performed fortherevisedresponseto,IEBulletinNo.79-07,July26,1979.Evaluaton:
Use-as-is.
2.FromPenetration 4111toReactorandReactorCoolantLoopB


NCR-G-79-90(SeeLER-79-015)SupportRH-16wasinstalled7'-6"fromdesignloca-tion.Anothersupportwasinstalledatthedesignlocation.Thelineisnowacceptableintheas-builtcondition.Evaluation:Repair.3.6"and4"linefrom10"RHRtoreactorsupportNCR-G>>79-119-9RH-28islocated3'-3"eastofdesignlocation.RH-28isaspring,thesupportsadjacenttoit,arerigid.Thereviseddeadloadstressis1316psi.SinceRH-28isaspring,therelocationwillhaveminimaleffectonseismicstresses.Therefore,thelineisacceptableintheas-builtcondition.Evaluation:Use-as-is.(g)ContainmentSpray1.FromPen.0109toOuterRingNCR-G-79-88(SeeLER79-015)Twoclampswerefoundmissingonthering.Thesewerereinstalledperthedesigndrawings.Evaluation:Repair.NCR-G-79-91(SeeLER79-015)~Oneringsupportismissing.Thelinewasreanalyzedandthenormalconditionstress(deadload+pressure)fortheexistingconditionis9189psi.Theupsetconditionstress(deadload+pressure+SSE)is20327psi.Sincetheseareallwithincodeallowablestressvalues,thesystemisacceptablewithoutthissupport.Evaluation:Use-as-is.NCR-G-79-119-10Use-as-is.h2.FromPen.5105toInnerRingSeveralsupportsarerelocatedontheringandriser.However,spacingbetweensupportsdoesnotexceedtherecommendedcodespacing.Thedeviationfromdesignlocationwillnotcausesignificantstressincreases:Evaluation:  
NCR-G-79-90 (SeeLER-79-015)
SupportRH-16wasinstalled 7'-6"fromdesignloca-tion.Anothersupportwasinstalled atthedesignlocation.
Thelineisnowacceptable intheas-builtcondition.
Evaluation:
Repair.3.6"and4"linefrom10"RHRtoreactorsupportNCR-G>>79-119-9 RH-28islocated3'-3"eastofdesignlocation.
RH-28isaspring,thesupportsadjacenttoit,arerigid.Thereviseddeadloadstressis1316psi.SinceRH-28isaspring,therelocation willhaveminimaleffectonseismicstresses.
Therefore, thelineisacceptable intheas-builtcondition.
Evaluation:
Use-as-is.
(g)Containment Spray1.FromPen.0109toOuterRingNCR-G-79-88 (SeeLER79-015)Twoclampswerefoundmissingonthering.Thesewerereinstalled perthedesigndrawings.
Evaluation:
Repair.NCR-G-79-91 (SeeLER79-015)~Oneringsupportismissing.Thelinewasreanalyzed andthenormalcondition stress(deadload
+pressure) fortheexistingcondition is9189psi.Theupsetcondition stress(deadload
+pressure+SSE)is20327psi.Sincetheseareallwithincodeallowable stressvalues,thesystemisacceptable withoutthissupport.Evaluation:
Use-as-is.
NCR-G-79-119-10 Use-as-is.
h2.FromPen.5105toInnerRingSeveralsupportsarerelocated ontheringandriser.However,spacingbetweensupportsdoesnotexceedtherecommended codespacing.Thedeviation fromdesignlocationwillnotcausesignificant stressincreases:
Evaluation:  


NCR-G-79-97(SeeLER79-015)SupportCS-12isnotperthedesigndrawings.Supporthasbeenreconstructedinaccordancewiththedesigndrawing.Evaluation:Repair.NCR-G-79-119-11(h)Angleshavebeenaddedattwolocationsjoiningthe6"pipetothe4"safetyinjectionlineprovidingadditionalstiffnesstobothlines.Evaluation:Use-as-is.ChemicalandVolumeControlSystem3"HeaderFromR.C.PumpSealstoPen.0108NoNonconformances(i)ComponentCooling1.FromR.C.PumpBtoPen.4125NCR-G-79-119-12Twoangleshavebeenaddednearthepenetrationjoiningtwo2inchlinestothe4inchlinepro-vidingadditionalstiffnesstoalllines.Lineisacceptableinas-builtcondition.Evaluation:Use-as-is.2.FromR.C.PumpAtoPen.5126NoNonconformances3.FromPen.5127toR.C.PumpANoNonconformances4.FromPen.0128toR.C.PumpBNCR-G-'9-119-135.Additionaldeadloadhangeraddedtosystem.Thisupgradesthesystem.Lineisacceptableinas-builtcondition.Evaluation:Use-as-is.FromReactorSupportCoolerstoPen.0130NoNonconformances6.FromPen.I131toReactorSupportCoolersNoNonconformances  
NCR-G-79-97 (SeeLER79-015)SupportCS-12isnotperthedesigndrawings.
Supporthasbeenreconstructed inaccordance withthedesigndrawing.Evaluation:
Repair.NCR-G-79-119-11 (h)Angleshavebeenaddedattwolocations joiningthe6"pipetothe4"safetyinjection lineproviding additional stiffness tobothlines.Evaluation:
Use-as-is.
ChemicalandVolumeControlSystem3"HeaderFromR.C.PumpSealstoPen.0108NoNonconformances (i)Component Cooling1.FromR.C.PumpBtoPen.4125NCR-G-79-119-12 Twoangleshavebeenaddednearthepenetration joiningtwo2inchlinestothe4inchlinepro-vidingadditional stiffness toalllines.Lineisacceptable inas-builtcondition.
Evaluation:
Use-as-is.
2.FromR.C.PumpAtoPen.5126NoNonconformances 3.FromPen.5127toR.C.PumpANoNonconformances 4.FromPen.0128toR.C.PumpBNCR-G-'9-119-13 5.Additional deadloadhangeraddedtosystem.Thisupgradesthesystem.Lineisacceptable inas-builtcondition.
Evaluation:
Use-as-is.
FromReactorSupportCoolerstoPen.0130NoNonconformances 6.FromPen.I131toReactorSupportCoolersNoNonconformances  


(j)ServiceWaterPiping1.Forthissystemvariousportionsofthesystemaresupportedoncommon,multi-pipepipesupports.Thelinesevaluatedandthenonconformancesarelistedseparately.1.1LinesEvaluated:FromPen.119toFromPen.308toFromPen.316toFromPen.311toFromPen.320toFromPen.315toFromPen.312toFrom-Pen.323toRecirculationRecirculationRecirculationRecirculationRecirculationRecirculationRecirculationRecirculationUnit1AUnit1AUnit1BUnit1BUnit,1CUnit1CUnit1DUnit1D1.2NonconformancesNCR-G-79-92(SeeLER79-015)SupportSW-20wasreportedasmissingsixUbolts.FurtherreviewdeterminedU-boltswereactuallyinstalled.Evaluation:NoActionRequired.NCR-G-79-89(SeeLER79-015)SupportSW-23wasmissingaclamp.Theclampwasinstalled.Evaluation:Repair.NCR-G-79-93(SeeLER79-015)pipesupportSW-3,arodsupport,wasmissing.Thesupportwasinstalled.Evaluation:Repair.NCR-G-79-95(SeeLER79-015)PipesupportSW-29wasmissingaclamp.Theclampwasinstalled.Evaluation:RepairNCR-G-79-96(SeeLER79-015)PipesupportSW-22wasmissingfourU-bolts.TheU-boltswereinstalled.Evaluation:Repair.  
(j)ServiceWaterPiping1.Forthissystemvariousportionsofthesystemaresupported oncommon,multi-pipe pipesupports.
Thelinesevaluated andthenonconformances arelistedseparately.
1.1LinesEvaluated:
FromPen.119toFromPen.308toFromPen.316toFromPen.311toFromPen.320toFromPen.315toFromPen.312toFrom-Pen.323toRecirculation Recirculation Recirculation Recirculation Recirculation Recirculation Recirculation Recirculation Unit1AUnit1AUnit1BUnit1BUnit,1CUnit1CUnit1DUnit1D1.2Nonconformances NCR-G-79-92 (SeeLER79-015)SupportSW-20wasreportedasmissingsixUbolts.Furtherreviewdetermined U-boltswereactuallyinstalled.
Evaluation:
NoActionRequired.
NCR-G-79-89 (SeeLER79-015)SupportSW-23wasmissingaclamp.Theclampwasinstalled.
Evaluation:
Repair.NCR-G-79-93 (SeeLER79-015)pipesupportSW-3,arodsupport,wasmissing.Thesupportwasinstalled.
Evaluation:
Repair.NCR-G-79-95 (SeeLER79-015)PipesupportSW-29wasmissingaclamp.Theclampwasinstalled.
Evaluation:
RepairNCR-G-79-96 (SeeLER79-015)PipesupportSW-22wasmissingfourU-bolts.TheU-boltswereinstalled.
Evaluation:
Repair.  


NCR-G-79-119-14AdditionalsmalllineswerefoundsupportedfrompipesupportsSW-18,SW-19,SW-20,SW-21,SW-22,SW-23,andSW-26.Thesesupportsarealldesignedasmulti-pipepipesupports.Theadditional'loadsimposedbythesmalllineswillnotbesignificant.Evaluation:Use-as-is.NCR-G-79-119-15ThedesigndrawingforsupportSW-9showsatransversestrut.Thestrutwasinstalledata30'kew.Thestrutstillprovidestransverserestraintandalsosomeacceptableaxialrestraint.Evaluation:Use-as-is.NCR-G-79-119-16Anextrarodhangerwasoriginallyinstalledonthe'8,inchlinef'romrecirculationunit1DtoPen.323-The/extrasupportisacceptable.Evaluation:Use-as-is.NCR-G-79-119-17An8inchservicewaterpipewashungfromthe8inchlinetorecirculationunit1CfromPen.315.Theadditionalloadisappliedneararodhangeronthelineandshouldnotaffectthesystem.Evaluation:Use-as-is.2.LinestoreactorcompartmentcoolersThe21/2inchlinesservicingthereactorcompart-mentcoolersandtheconnectinglinesforthereactorcompartmentcoolersandcontinuousrecirculationunitswerefieldhunginaccordancewithB31.1.Therefore,nodesigndrawingsexist.Theselinesaresupportedinaccordancewiththeoriginalcriteria.(k)SteamGeneratorBlowdownPipinginsidecontainmentis2inchnominalpipesizeand,therefore,wasnotincludedinourprogram.(l)AuxiliaryFeedwaterNopipinginsidecontainment(m)BoricAcidNopipinginsidecontainment  
NCR-G-79-119-14 Additional smalllineswerefoundsupported frompipesupportsSW-18,SW-19,SW-20,SW-21,SW-22,SW-23,andSW-26.Thesesupportsarealldesignedasmulti-pipe pipesupports.
Theadditional
'loadsimposedbythesmalllineswillnotbesignificant.
Evaluation:
Use-as-is.
NCR-G-79-119-15 ThedesigndrawingforsupportSW-9showsatransverse strut.Thestrutwasinstalled ata30'kew.Thestrutstillprovidestransverse restraint andalsosomeacceptable axialrestraint.
Evaluation:
Use-as-is.
NCR-G-79-119-16 Anextrarodhangerwasoriginally installed onthe'8,inchlinef'romrecirculation unit1DtoPen.323-The/extrasupportisacceptable.
Evaluation:
Use-as-is.
NCR-G-79-119-17 An8inchservicewaterpipewashungfromthe8inchlinetorecirculation unit1CfromPen.315.Theadditional loadisappliedneararodhangeronthelineandshouldnotaffectthesystem.Evaluation:
Use-as-is.
2.Linestoreactorcompartment coolersThe21/2inchlinesservicing thereactorcompart-mentcoolersandtheconnecting linesforthereactorcompartment coolersandcontinuous recirculation unitswerefieldhunginaccordance withB31.1.Therefore, nodesigndrawingsexist.Theselinesaresupported inaccordance withtheoriginalcriteria.
(k)SteamGenerator BlowdownPipinginsidecontainment is2inchnominalpipesizeand,therefore, wasnotincludedinourprogram.(l)Auxiliary Feedwater Nopipinginsidecontainment (m)BoricAcidNopipinginsidecontainment  


3.0PiinSstems,orPortionsofSstems,SeismicalluglifiedBDamicAnalses(a)Theresultspresentedherearebasedontheinspectionandevaluationmethodsdiscussedinattachment2ofthisreport.Nonconformancesandtheirevaluationsanddispositionsareidentifiedforthosedeviationswhichwereoutsidetheestablishedacceptancecriteria.Alllineslistedbelowwereevaluatedandfoundacceptableintheasbuiltcondition.(b)Stand-byAuxiliaryFeedwaterStandbyAuxiliaryFeedwaterSystem1.FromPen.I119toMainFeedwaterLineANCR-G-79-119-18SupportAFW-,27is1'-10"higherontheriserthandesigned.The-newlocationisbettersinceitwillprovideadditionalsupporttothehorizontalrun.Evaluation:Use-as-isNCR-G-79-119-19Theweightofinsulationfromvalve9706Atothemainfeedwaterlinewasomittedfromtheanalysis.Themaximumseismicstressis12029psi.Theincreaseinstressdueto1.9lb/ftinsulationweightisnotsignificant.Evaluation:Use-as-is2.FromPen.4123toMainFeedwaterLineBNCR-G-79-119-20Theweightofinsulationfromvalve9706Btothemainfeedwaterlinewasomittedfromtheanalysis.Themaximumdeadloadstressis1253*psiandthemaximumSSEstressis7644psi.Theincreaseinstressdueto1.9lb/ftinsulationweight,'snotsignificant..Evaluation:Use-as-is(c)ChemicalandVolumeControlSystem1.Pen.4112toRegenerativeHeatExchangerNCR-G-79-119-21Dynamicanalysisperformedassumingsupportoftheoperatorsforvalves200A,200Band202.Thesesup-portsdonotexist.However,sincethecenterof  
3.0PiinSstems,orPortionsofSstems,Seismicall uglifiedBDamicAnalses(a)Theresultspresented herearebasedontheinspection andevaluation methodsdiscussed inattachment 2ofthisreport.Nonconformances andtheirevaluations anddispositions areidentified forthosedeviations whichwereoutsidetheestablished acceptance criteria.
Alllineslistedbelowwereevaluated andfoundacceptable intheasbuiltcondition.
(b)Stand-byAuxiliary Feedwater StandbyAuxiliary Feedwater System1.FromPen.I119toMainFeedwater LineANCR-G-79-119-18 SupportAFW-,27is1'-10"higherontheriserthandesigned.
The-newlocationisbettersinceitwillprovideadditional supporttothehorizontal run.Evaluation:
Use-as-is NCR-G-79-119-19 Theweightofinsulation fromvalve9706Atothemainfeedwater linewasomittedfromtheanalysis.
Themaximumseismicstressis12029psi.Theincreaseinstressdueto1.9lb/ftinsulation weightisnotsignificant.
Evaluation:
Use-as-is 2.FromPen.4123toMainFeedwater LineBNCR-G-79-119-20 Theweightofinsulation fromvalve9706Btothemainfeedwater linewasomittedfromtheanalysis.
Themaximumdeadloadstressis1253*psiandthemaximumSSEstressis7644psi.Theincreaseinstressdueto1.9lb/ftinsulation weight,'s notsignificant..
Evaluation:
Use-as-is (c)ChemicalandVolumeControlSystem1.Pen.4112toRegenerative HeatExchanger NCR-G-79-119-21 Dynamicanalysisperformed assumingsupportoftheoperators forvalves200A,200Band202.Thesesup-portsdonotexist.However,sincethecenterof  


gravitylocationforthesevalvesissixinchesabovepipecenterlineandtheanalysisassumedthecenterofgravitytobe24inchesabovethepipecenterline,nosupportsfortheoperatorsarerequired.Evaluation:Use-as-is.(d)ServiceWaterPipinginsidecontainmentwasnot,dynamicallyanalyzed.(e)SteamGeneratorBlowdownPipinginsidecontainmentwasnotdynamicallyanalyzed.(f)AuxiliaryFeedwaterNopipinginsidecontainment.I(g)BoricAcidNopipinginsidecontainment.(h)RCSOverpressureProtectionSystemChangestotheinstallationdrawings,anddis-crepanciesbetweentheinstallationdrawingsandtheanalysis,wereevaluatedandfoundacceptableduringinstallation.(i)DemineralizedWater-PenetrationPiping1.Changestotheinstallationdrawings,anddis-crepanciesbetweentheinstallationdrawingsandtheanalysis,wereevaluatedandfoundacceptableduringinstallation.'I(j)CharcoalFilterDrawing-TestConnectionsChangestotheinstallationdrawings,anddis-crepanciesbetweentheinstallationdrawingsandtheanalysis,wereevaluatedandfoundacceptableduringinstallation.10-}}
gravitylocationforthesevalvesissixinchesabovepipecenterline andtheanalysisassumedthecenterofgravitytobe24inchesabovethepipecenterline, nosupportsfortheoperators arerequired.
Evaluation:
Use-as-is.
(d)ServiceWaterPipinginsidecontainment wasnot,dynamically analyzed.
(e)SteamGenerator BlowdownPipinginsidecontainment wasnotdynamically analyzed.
(f)Auxiliary Feedwater Nopipinginsidecontainment.
I(g)BoricAcidNopipinginsidecontainment.
(h)RCSOverpressure Protection SystemChangestotheinstallation
: drawings, anddis-crepancies betweentheinstallation drawingsandtheanalysis, wereevaluated andfoundacceptable duringinstallation.
(i)Demineralized Water-Penetration Piping1.Changestotheinstallation
: drawings, anddis-crepancies betweentheinstallation drawingsandtheanalysis, wereevaluated andfoundacceptable duringinstallation.
'I(j)CharcoalFilterDrawing-TestConnections Changestotheinstallation
: drawings, anddis-crepancies betweentheinstallation drawingsandtheanalysis, wereevaluated andfoundacceptable duringinstallation.
10-}}

Revision as of 14:00, 29 June 2018

Sixty-Day Response to IE Bulletin 79-14, 'Seismic Analysis for As-Built Safety-Related Piping Sys.'
ML17244A867
Person / Time
Site: Ginna 
Issue date: 08/31/1979
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17244A865 List:
References
NUDOCS 7910030866
Download: ML17244A867 (20)
v • d • e


Text

60DayResponsetoIEBulletinNo.79-14SeismicAnalysisforAs-Built.

SafetyRelatedPipingSystemsR.E.GinnaNuclearPowerPlant,UnitNo.1Docket,50-244Introduction a)b)c)d)e)Our30DayResponsetoIEBulletinNo.79-14submitted onJuly31,1979includesbackground information ontheseismicqualification methodsusedatGinnaStation,andadescription ofthe79-14inspection andevaluation programscopeandschedule.

Theinspection andevaluation programforSeismicCategoryIpipingsystemsinsidecontainment hasbeencompleted.

Theresultsoftheseevaluations aresum-marizedinthisreport.Thescheduleforpreparation andrevisionofthedrawingsdescribed inour30dayreporthasbeenrevised.Thedrawingsforpipingin-sidecontainment willnowbecompleted within120daysofthedateofthebulletin; andthedrawingsforpipingoutsidecontainment willbecompleted within180daysofthedateofthebulletin.

Inspection andevalua-tionofpipingsystemsoutsidecontainment willbecom-pletedwithin120daysofthedateofthebulletin.

Alistingofdrawingsusedtoestablish designrequire-mentswasattachedtothe30DayResponse.

Attachment, 1tothisreportisarevisedlistingofthedrawings.

Thelistidentifies pipingandinstrumentation

diagrams, pipinglayoutdrawings, andpipinganalysisdrawingsusedtoinspectandevaluateeachsystem.Theinspection andevaluation ofpipingsystemsinsidecontaifunent wasperformed priortotheAugust15,1979issuanceofthesupplement toIEBulletin79-14.Attach-ment2tothisreportdescribes themethodsofinspec-tion,evaluation, andnonconformance controlusedforpipinginsidecontainment.

Theresultsoftheinspections andevaluations aresum-marizedintwoparts:first,theReactorCoolantSystemandpipingsystemswhichwereoriginally qualified byequivalent staticanalysesandsecond,pipingsystems,orportionsofsystems,whichwerequalified bydynamicanalysis.

Theresultsarealsopresented inthesamesequenceofsystemsusedinthedrawingindex,Attachment 1.v9>00800&4::

4e(

2.ReactorCoolantSstemandCateorIPiin2~~InchNominalPieSizeandLarerSea.smxcall uglifiedUsinEivalentState.cAnalses(a)Theresultspresented herearebasedontheinspection andevaluation methodsdiscussed inAttachment 2ofthisreport.Nonconformances andtheirevaluations anddispositions areidentified forthosedeviations whichwereoutsidetheestablished acceptance criteria.

Alllineslistedbelowwereevaluated andfoundacceptable intheasbuiltcondition orrepairsmade.(b)ReactorCoolantSystem1.PrimaryLoopNoNonconformances 2.SurgePipingNoNonconformances 3.Pressurizer toPCV434.NoNonconformances Pressurizer toPCV4355.NoNonconformances Pressurizer toPCV430andPCV431CNoNonconformances 6.Pressurizer SprayLinesFromR.C.LoopsthroughPCV431McBNCR-G-79-119-1 SupportPS-15isinstalled atelevation 247'-9".Thedesignelevation is244'-9".Thesupportisintendedtoprotectthenozzleontheprimaryloop.Theinstalled locationisclosertothenozzle,whichwillfurtherreduceloadsonthenozzle.Evaluation:

Use-as-is NCR-G-79-119-2 SupportPS-22isinstalled atelevation 279'4".Thedesignelevation is280'-6".Thesupportisclosertothevalvesproviding foradditional restraint.

Evaluation:

Use-as-is.

(c)MainSteamSystem1.FromSteamGenerator lAtoPen.4401NoNonconformances 2.FromSteamGenerator.

1BtoPen;0402NoNonconformances (d)Feedwater System1.FromPen.4403toSteamGenerator 1ANoNonconformances 2.FromPen.5404toSteamGenerator 1BNoNonconformances (e)SafetyInjection System1.FromAccumulator "A"toR.C.LoopBNoNonconformances 2.Accumulator "B"toR.C.LoopANCR-G-79-119-3 Valve865assumedtoweigh1100lbs.actuallyweighs2550lbs.Sincethevalveislocatedonlyteninchesfromananchor,thestressduetotheincreased weightisnotsignificant:

Themaximumseismicstressassumingthevalveweighs1100lbs.is3778psi.Evaluation:

Use-as-is.

3.Pen.5101toValves878CSDNCR-G-79-119-4 SupportSI-84isrelocated aroundanelbow,1'-6"fromthedesignlocation.

Sincethisisaspringsupport,itwillhavenegligible effect.onseismicstresses.

Thedeadloadstressis3944psiwiththesupportintheas-builtlocation, Evaluation:

Use-as-is

NCR-G-79-119-5 Angleswereaddedattwolocations whichjointhe4"and6"containment spraylinesproviding addi-tionalstiffness totheline.Evaluation:

Use-as-is.

NCR-G-79-119-6 Thepipingwasreroutedatthepenetration.

Anadditional verticalrestraint wasadded.Thelineis,acceptable inas-builtcondition.

Evaluation:

Use-as-is.

Pen.0113toValves878ASBNCR-G-79-119-7 SupportSI-93islocated1'-0"southwest ofdesign,.location.

Also,SI-93isrotateddown30'.Theinstalled locationandorientation areacceptable sincespacingisstillwithinB31.1allowables andthesupportwillstillprovidethenecessary lateralrestraint.

AnanglewasaddednearSI-93joining.this4"pipetoa2"pipe.Thissupportprovidesadditional stiffness tobothpipingsystems.Evaluation:

Use-as-is.

5.Containment SumptoPen.4141NoNonconformances 6.Containment SumptoPen.5142No.Nonconformances(f)ResidualHeat;RemovalFromPenetration 5140toReactorCoolantLoopANCR-G-79-119-8 SupportRH-7is2'-7"southofdesignedlocation.

Thiscondition wasincludedinthereanalysis performed fortherevisedresponseto,IEBulletinNo.79-07,July26,1979.Evaluaton:

Use-as-is.

2.FromPenetration 4111toReactorandReactorCoolantLoopB

NCR-G-79-90 (SeeLER-79-015)

SupportRH-16wasinstalled 7'-6"fromdesignloca-tion.Anothersupportwasinstalled atthedesignlocation.

Thelineisnowacceptable intheas-builtcondition.

Evaluation:

Repair.3.6"and4"linefrom10"RHRtoreactorsupportNCR-G>>79-119-9 RH-28islocated3'-3"eastofdesignlocation.

RH-28isaspring,thesupportsadjacenttoit,arerigid.Thereviseddeadloadstressis1316psi.SinceRH-28isaspring,therelocation willhaveminimaleffectonseismicstresses.

Therefore, thelineisacceptable intheas-builtcondition.

Evaluation:

Use-as-is.

(g)Containment Spray1.FromPen.0109toOuterRingNCR-G-79-88 (SeeLER79-015)Twoclampswerefoundmissingonthering.Thesewerereinstalled perthedesigndrawings.

Evaluation:

Repair.NCR-G-79-91 (SeeLER79-015)~Oneringsupportismissing.Thelinewasreanalyzed andthenormalcondition stress(deadload

+pressure) fortheexistingcondition is9189psi.Theupsetcondition stress(deadload

+pressure+SSE)is20327psi.Sincetheseareallwithincodeallowable stressvalues,thesystemisacceptable withoutthissupport.Evaluation:

Use-as-is.

NCR-G-79-119-10 Use-as-is.

h2.FromPen.5105toInnerRingSeveralsupportsarerelocated ontheringandriser.However,spacingbetweensupportsdoesnotexceedtherecommended codespacing.Thedeviation fromdesignlocationwillnotcausesignificant stressincreases:

Evaluation:

NCR-G-79-97 (SeeLER79-015)SupportCS-12isnotperthedesigndrawings.

Supporthasbeenreconstructed inaccordance withthedesigndrawing.Evaluation:

Repair.NCR-G-79-119-11 (h)Angleshavebeenaddedattwolocations joiningthe6"pipetothe4"safetyinjection lineproviding additional stiffness tobothlines.Evaluation:

Use-as-is.

ChemicalandVolumeControlSystem3"HeaderFromR.C.PumpSealstoPen.0108NoNonconformances (i)Component Cooling1.FromR.C.PumpBtoPen.4125NCR-G-79-119-12 Twoangleshavebeenaddednearthepenetration joiningtwo2inchlinestothe4inchlinepro-vidingadditional stiffness toalllines.Lineisacceptable inas-builtcondition.

Evaluation:

Use-as-is.

2.FromR.C.PumpAtoPen.5126NoNonconformances 3.FromPen.5127toR.C.PumpANoNonconformances 4.FromPen.0128toR.C.PumpBNCR-G-'9-119-13 5.Additional deadloadhangeraddedtosystem.Thisupgradesthesystem.Lineisacceptable inas-builtcondition.

Evaluation:

Use-as-is.

FromReactorSupportCoolerstoPen.0130NoNonconformances 6.FromPen.I131toReactorSupportCoolersNoNonconformances

(j)ServiceWaterPiping1.Forthissystemvariousportionsofthesystemaresupported oncommon,multi-pipe pipesupports.

Thelinesevaluated andthenonconformances arelistedseparately.

1.1LinesEvaluated:

FromPen.119toFromPen.308toFromPen.316toFromPen.311toFromPen.320toFromPen.315toFromPen.312toFrom-Pen.323toRecirculation Recirculation Recirculation Recirculation Recirculation Recirculation Recirculation Recirculation Unit1AUnit1AUnit1BUnit1BUnit,1CUnit1CUnit1DUnit1D1.2Nonconformances NCR-G-79-92 (SeeLER79-015)SupportSW-20wasreportedasmissingsixUbolts.Furtherreviewdetermined U-boltswereactuallyinstalled.

Evaluation:

NoActionRequired.

NCR-G-79-89 (SeeLER79-015)SupportSW-23wasmissingaclamp.Theclampwasinstalled.

Evaluation:

Repair.NCR-G-79-93 (SeeLER79-015)pipesupportSW-3,arodsupport,wasmissing.Thesupportwasinstalled.

Evaluation:

Repair.NCR-G-79-95 (SeeLER79-015)PipesupportSW-29wasmissingaclamp.Theclampwasinstalled.

Evaluation:

RepairNCR-G-79-96 (SeeLER79-015)PipesupportSW-22wasmissingfourU-bolts.TheU-boltswereinstalled.

Evaluation:

Repair.

NCR-G-79-119-14 Additional smalllineswerefoundsupported frompipesupportsSW-18,SW-19,SW-20,SW-21,SW-22,SW-23,andSW-26.Thesesupportsarealldesignedasmulti-pipe pipesupports.

Theadditional

'loadsimposedbythesmalllineswillnotbesignificant.

Evaluation:

Use-as-is.

NCR-G-79-119-15 ThedesigndrawingforsupportSW-9showsatransverse strut.Thestrutwasinstalled ata30'kew.Thestrutstillprovidestransverse restraint andalsosomeacceptable axialrestraint.

Evaluation:

Use-as-is.

NCR-G-79-119-16 Anextrarodhangerwasoriginally installed onthe'8,inchlinef'romrecirculation unit1DtoPen.323-The/extrasupportisacceptable.

Evaluation:

Use-as-is.

NCR-G-79-119-17 An8inchservicewaterpipewashungfromthe8inchlinetorecirculation unit1CfromPen.315.Theadditional loadisappliedneararodhangeronthelineandshouldnotaffectthesystem.Evaluation:

Use-as-is.

2.Linestoreactorcompartment coolersThe21/2inchlinesservicing thereactorcompart-mentcoolersandtheconnecting linesforthereactorcompartment coolersandcontinuous recirculation unitswerefieldhunginaccordance withB31.1.Therefore, nodesigndrawingsexist.Theselinesaresupported inaccordance withtheoriginalcriteria.

(k)SteamGenerator BlowdownPipinginsidecontainment is2inchnominalpipesizeand,therefore, wasnotincludedinourprogram.(l)Auxiliary Feedwater Nopipinginsidecontainment (m)BoricAcidNopipinginsidecontainment

3.0PiinSstems,orPortionsofSstems,Seismicall uglifiedBDamicAnalses(a)Theresultspresented herearebasedontheinspection andevaluation methodsdiscussed inattachment 2ofthisreport.Nonconformances andtheirevaluations anddispositions areidentified forthosedeviations whichwereoutsidetheestablished acceptance criteria.

Alllineslistedbelowwereevaluated andfoundacceptable intheasbuiltcondition.

(b)Stand-byAuxiliary Feedwater StandbyAuxiliary Feedwater System1.FromPen.I119toMainFeedwater LineANCR-G-79-119-18 SupportAFW-,27is1'-10"higherontheriserthandesigned.

The-newlocationisbettersinceitwillprovideadditional supporttothehorizontal run.Evaluation:

Use-as-is NCR-G-79-119-19 Theweightofinsulation fromvalve9706Atothemainfeedwater linewasomittedfromtheanalysis.

Themaximumseismicstressis12029psi.Theincreaseinstressdueto1.9lb/ftinsulation weightisnotsignificant.

Evaluation:

Use-as-is 2.FromPen.4123toMainFeedwater LineBNCR-G-79-119-20 Theweightofinsulation fromvalve9706Btothemainfeedwater linewasomittedfromtheanalysis.

Themaximumdeadloadstressis1253*psiandthemaximumSSEstressis7644psi.Theincreaseinstressdueto1.9lb/ftinsulation weight,'s notsignificant..

Evaluation:

Use-as-is (c)ChemicalandVolumeControlSystem1.Pen.4112toRegenerative HeatExchanger NCR-G-79-119-21 Dynamicanalysisperformed assumingsupportoftheoperators forvalves200A,200Band202.Thesesup-portsdonotexist.However,sincethecenterof

gravitylocationforthesevalvesissixinchesabovepipecenterline andtheanalysisassumedthecenterofgravitytobe24inchesabovethepipecenterline, nosupportsfortheoperators arerequired.

Evaluation:

Use-as-is.

(d)ServiceWaterPipinginsidecontainment wasnot,dynamically analyzed.

(e)SteamGenerator BlowdownPipinginsidecontainment wasnotdynamically analyzed.

(f)Auxiliary Feedwater Nopipinginsidecontainment.

I(g)BoricAcidNopipinginsidecontainment.

(h)RCSOverpressure Protection SystemChangestotheinstallation

drawings, anddis-crepancies betweentheinstallation drawingsandtheanalysis, wereevaluated andfoundacceptable duringinstallation.

(i)Demineralized Water-Penetration Piping1.Changestotheinstallation

drawings, anddis-crepancies betweentheinstallation drawingsandtheanalysis, wereevaluated andfoundacceptable duringinstallation.

'I(j)CharcoalFilterDrawing-TestConnections Changestotheinstallation

drawings, anddis-crepancies betweentheinstallation drawingsandtheanalysis, wereevaluated andfoundacceptable duringinstallation.

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