ML17263A210

Proposed TS Table 3.6-1, Containment Isolation Valves.

ML17263A210
Person / Time
Site:	Ginna
Issue date:	04/05/1993
From:	ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A207	List: ML17263A206 ML17263A208 ML17263A210
References
NUDOCS 9304090209
Download: ML17263A210 (13)

Text

AttachmentARevisetheTechnicalSpecificationpagesasfollows:Remove3.6-43.6-63.6-7A3.6-10Insert.3.6-43.6-63.6-7A3.6-109'304090209930405PDRADOCK,05000244P'DR TABLE3.6-1CONTAINMENTISOLATIONVALVESPENT.NO.29IDENTIFICATION/DESCRIPTIONFuelTransfertube100Charginglineto"B"loop101SZPump1Bdischarge113SZPump1Adischarge120NitrogentoAccumulators120PressurizerReliefTank(PRT)toGasAnalyzer(GA)102Alternatechargingto"A"coldleg103ConstructionFireServiceWater105ContainmentSprayPump1A106"A"ReactorCoolantPump(RCP)sealwaterinlet107SumpAdischargetoWasteHoldupTank108RCPsealwateroutandexcessletdowntoVCT109ContainmentSprayPump1B110"B"RCPsealwaterinlet110SZtestline111RHRto"B"coldleg112LetdowntoNon-regen.HeatExchangerZSOLATZONBOUNDARYflangeCV370BCV889BCV870BCV383BweldedflangeCV862ACV304AAOV1728MOV313CV862BCV304BMV879MOV720(20)AOV371CV889ACV870ACV8623AOV539MAXIMUMISOLATIONTIME*(SEC)NANANANANANANANA6060NANANANA60NANANA60ISOLATIONBOUNDARY(1)(2)(5)(5)(2)MV5129(3)(2)AOV1723(4)(3)(2)(5)(6)AOV200AAOV200BAOV202RV203(5)(5)AOV846MV546(7)MAXIMUM/ISOLATIONTIME*(SEC)NANANANANANANA60NANANANANA606060NANANA60NA PgPENT.NO141142g0143IDENTIFICATION/DESCRIPTIONRHR-tlpumpsuctionfromSumpBRHR-g2pumpsuctionfromSumpBRCDTpumpsuctionZSOLATIONBOUNDARYMOV850A(13)MOV850B(13)AOV1721MAXIMUMISOLATIONTIME*(SEC)NANA60ISOLATIONBOUNDARYMOV851A(13)MOV851B(13)AOV1003AAOV1003BMAXIMUM/ISOLATIONTIME*(SEC)NANA60604PI201ReactorCompart.CoolingUnitA&B202"B"Hydrogenrecombiner(pilot&main)203Contain.Press.TransmitterPT-947&948203Postaccidentairsampleto"B"fan204ShutdownPurgeSupplyDuct[PurgeSupplyDuct]205Hotlegloopsample206Przr.liquidspacesample206"A"S/Gsample207Przr.Steamspacesample207"B"S/Gsample209ReactorCompartment.CoolingUnitsA&B210OxygenmakeuptoA&BrecombinersMV4757(16)MV4636(16)MV1076BMV1084BPT947PT948MV1563MV1566flange(22)[AOV5870]AOV966CAOV966BAOV5735AOV966AAOV5736MV4758(16)MV4635(16)MV1080ANANANANANANANANANA[5]6060606060NANANASOV-IV-3BSOV<<ZV-5BMV1819CMV1819DMV1565MV1568AOV5869(22)MV956D(14)MV956E(14)(17)MV956F(17)SOVZV-2ASOVIV-2BNANormallyClosedNANormallyClosedNANANANANANANANANANANANANormallyClosedNANormallyClosed00 PENT.o'O.O315316g0317318319320IDENTIFICATION/DESCRIPTIONServiceWaterfrom"C"fancoolerServiceWaterto"B"fancoolerLeakagetestsupplyDeadweighttester(decomissioned)ServiceWaterfrom"A"fancoolerServicewaterto"C"fancooler4PI321AS/GBlowdown322BS/GBlowdown323ServiceWaterfrom"D"fancooler324DemineralizedwatertoContainment332Cont.Press.Trans.PT-944,949&950ISOLATIONBOUNDARYMV4643(16)MV4628(16)flangeweldedshutMV4629(16)MV4647(16)AOV5738AOV5737MV4644(16)CV8419PT944PT949PT950MAXIMUMISOLATIONTZME*(SEC)NANANANANANA6060NANANANANAISOLATIONBOUNDARY(11)(ll)MOV7443weldedshut(ll)(11)(17)(17)(11)AOV8418MV1819GMV1819FMV1819EMAXIMUM/ZSOLATZONTIME*(SEC)NANANormallyClosedNANANANANANANANANANA332LeakagetestandhydrogenmonitorinstrumentationlinesMV7448MV7452MV7456SOV921SOV922SOV923SOV924NANANANANANANAcapcapcap(21)(21)(21)(21)NANANANANANAm~00 (10)(11)(12)(13)(14)(15)(16)(17)Thepressuretransmitterprovidesaboundary.Normallyoperatingincomingandoutgoinglineswhichareconnectedtoclosedsystemsinsidecontainmentandprotectedagainstmissilesthroughouttheirlength,areprovidedwithatleastonemanualisolationvalveoutsidecontainment(FSAR5.2.2pg.5.2.2-2).Thesingleremotelycontrolledcontainmentisolationvalveisnormallyopenandmotoroperated.Thecoolingwaterreturnlineisnotdirectlyconnectedtothereactorcoolantsystemand,shouldremainopenwhilethecoolantpumpisrunning.Asecondautomaticisolationbarrierisprovidedbythecomponentcoolingwaterloop,aclosedsystem.(FSAR5.2.2pg.5.2.2-1a)SeeFSARTable5.2.2-1andFigure5.2.2-2.Sumplinesareinoperationandfilledwithfluidfollowinganaccident.Containmentleakagetestingisnotrequired.ThevalvesaresubjectedtoRHRsystemhydrostatictest.NormallyoperatingoutgoinglinesconnectedtotheReactorCoolantSystemareprovidedwithatleastoneautomaticallyoperatedtripvalveandonemanualisolationvalveinserieslocatedoutsidethecontainment.Inadditiontotheisolationvalves,eachlineconnectedtotheReactorCoolantSystemisprovidedwitharemoteoperatedrootvalvelocatednearitsconnectiontotheReactorCoolantSystem.(FSAR5.2.2pg.5.2.2-1)SeeFSARTable5.2.2-1andFigure5.2.2-17.TheServ'iceWatersystemoperates-atapressurehigherthanthecontainmentaccidentpressureandismissileprotectedinsidecontainment.Therefore,thesevalvesareusedforflowcontrolonlyandneednotbeleaktested.TheS/Gtubesandsecondarysideprovideaclosedsysteminsidecontainment.(18)FireServiceWaterwillbeusedonlytofightfiresinsidecontainment.AOV9227isclosedduringpoweroperation.Acontainmentisolationsignaltoautomaticallyclosethisvalveisnotrequiredbecauseaspurioussignalduringafiremaybehazardoustopersonnelandmayimpedefiresuppressionactivities.(19)(20)SeeFSARTable5.2.2-1andFigure5.2.2-16.Containmentleakagetestingisnot,requiredperL.D.White,Jr.lettertoDennisL.Ziemann,USNRCdatedSeptember21,1978.3.6-10Proposed AttachmentBPage1of2AttachmentBThepurposeofthisamendmentistoreviseseveralpenetrationlistingsinTechnicalSpecificationTable3.6-1tosupportanIntegratedLeakRateTest(ILRT)oftheGinnaStationcontainmentduringthe1993RefuelingOutage.Asaresultofpreparingforthistest,RG&EdeterminedthatadiscrepancyexistedbetweentheTechnicalSpecificationsandtheNRCapprovedIn-ServiceTest(IST)Program.Currently,TechnicalSpecificationTable3.6-1identifiestwomanualvalves(820and204A)ascontainmentisolationvalves(CIVs)forPenetration112.Aspartofthethird10yearISTprogramsubmittalforGinnaStation,RG&Eidentifiedthatvalves820and204AwouldberemovedfromtheISTprogramsincetheirpressureandcontainmentisolationfunctionswerebeingperformedbyvalves200A,200B,and202(Referencea).TheNRCacceptedthischangebyReference(b).Therefore,RG&ErequeststhatTable3.6-1bechangedtoreplacevalves820and204AwithAOVs200A,200B,and202.Inaddition,reliefvalve203,whichislocatedbetweencontainmentisolationvalves200A,200B,202and371forthispenetration,willbeaddedtothetable.AllfivevalvesarecurrentlyintheGinnaStationAppendixJtestingprogram.ThischangewillenablePenetration112tomeettheexplicitrequirementsofGDC56.ThecurrentTable3.6-1Note17willalsobedeletedsinceitisnolongerused.TechnicalSpecificationTable3.6-1alsoidentifiesamanualvalveinserieswithanair-operatedvalveastheCIVsforPenetrations206,207,321,and322.Thesepenetrationscontainthesteamgenerator(S/G)blowdownandblowdownsamplepiping.RG&ErequeststhatthemanualvalvesberemovedfromTable3.6-1sincetheS/Gtubesandsecondarysideprovideonecontainmentbarrier.Thesepenetrationswillthenbetreatedanalogoustothemainsteamandfeedwaterlineswhichareofsimilarconfiguration.Table3.6-1Note17willthenberevisedandaddedtothesefourpenetrationstoreflecttheuseoftheS/Gtubesandsecondarysideasacontainmentboundary.Table3.6-1Note7willalsobedeletedfromthesefourpenetrations.ThisnotewasoriginallyappliedtotheS/GblowdownlinessincetheypenetratethemissileshieldinsidecontainmentinordertoreachtheS/Gs.However,theNRChasapprovedtheuseof"leak-before-break"(LBB)withrespecttolargediameterReactorCoolantSystempipingatGinnaStation(Referencec).TheuseofLBBexcludestheconsiderationofthedynamiceffectsassociatedwithpostulatedpiperupturesper10CFR50,AppendixA,GDC4.Inaddition,plantwalkdownsandareviewofSystematicEvaluationProgram(SEP)TopicIII-S.A,EffectsofPipeBreakonStructures,Systems,andComponentsInsideContainment,(Referenced)confirmsthateventhoughthesefourlinespenetratethemissileshield,theyarenotsusceptibletoanyhighenergylinesources.Thisincludestheaffectsofpipewhipandjetimpingement.Therefore,thedynamiceffectsassociatedwithanyhighenergylinebreakinsidecontainmentdoesnotrequireconsiderationwithrespecttotheS/Gclosedsystem.TheblowdownlinesinsidecontainmentarealsoSeismicCategoryIandSafetyClass2.Consequently,thelinesareconsideredmissileprotectedbasedontheirpresentlocationandhavethenecessaryclosedsystemdesignrequirements.

AttachmentBPage2of2RG&Ewillalsoeliminate10CFR50AppendixJtestingrelatedtothefourAOVsforPenetrations206,207,321,and322sincetherearenotanyrequirementstoperformthistesting.Instead,RG&Ewillhydrostaticallytestthesevalvesinaccordancewith'theoriginalrequirementsasoutlinedintheapprovedthird10yearISTprogramforGinnaStation(IWV-3421through3425)asaminimum.Thiswillprovidethenecessaryassurancethatthevalveswillperformtheirrequiredisolationfunction.ThesechangeswillbedocumentedintheGinnaStationISTProgramwhichwillbesubmittedtotheNRCfollowingtheconclusionofthe1993RefuelingOutagesinceRG&EexpectstomakeseveralotherunrelatedISTProgramchangesatthattime.ThesechangeswillnotrequireNRCapprovalpriortoimplementation.Inaccordancewith.10CFR50.91,thesechangestotheTechnicalSpecificationshavebeenevaluatedtodetermineiftheoperationofthefacilityinaccordancewiththeproposedamendmentwould:1.involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated;or2.createthepossibilityofanewordifferentkindofaccidentpreviouslyevaluated;or3.involveasignificantreductioninamarginofsafety.Theseproposedchangesdonotincreasetheprobabilityorconsequencesofapreviouslyevaluatedaccidentorcreateanewordifferenttypeofaccident.Furthermore,thereisnoreductioninthemarginofsafetyforanyparticularTechnicalSpecification.ThedetailedchangesaredescribedinAttachmentC.Therefore,RochesterGasandElectricsubmitsthattheissuesassociatedwiththisAmendmentrequestareoutsidethecriteriaof10CFR50.91;andanosignificanthazardsfindingiswarranted.

References:

(a)LetterfromR.C.Mecredy,RG&E,toA.R.Johnson,NRC,

Subject:

InservicePumpandValveTestingProgram,datedMay23,1989.(b)LetterfromA.R.Johnson,NRC,toR.C.Mecredy,RG&E,

Subject:

R.E.GinnaNuclearPowerP1antISTProgramforPumpsandValves,1990-1999Third10-YearInterval,datedApril15,1991.(c)LetterfromD.DiIanni,NRC,toR.Kober,RG&E,

Subject:

ResolutionofUSI'-2,"AsymmetricLOCALoads",datedSeptember9,1986.(d)NUREG-0821,IntegratedPlantSafetyAssessmentSystematicEvaluationProgram,R.E.GinnaNuclearPowerPlant,December1982.

IChangesAttachmentCTechnicalSpecificationChangesEffect2.3.ReviseTable3.6-1Penetration112todeletevalves204Aand820andaddvalves200A,200B,202,and203.ReviseTable3.6-1Penetration206,207,321Iand322toreplacemanualisolationvalveswithS/Gclosedsystem.AlsodeleteNote7fromthesepenetrations.DeletecurrentTable3.6-1Note17andreplacewithnewNote17.PenetrationnowsatisfiesexplicitrequirementsofGDC56.Penetrationisnowconsistentwiththemainsteamandfeedwaterpenetrations.S/Gclosedsystemprovidesanacceptablecontainmentbarrier.CurrentNote17isnolongerused.NewnoteprovidesinformationwithrespecttoS/Gclosedsystem.Notechnicalchange.

TABLE3.6-1CONTAINMENTISOLATIONVALVESPENT.NO.29IDENTIFICATION/DESCRIPTIONFuelTransfertube100Charginglineto"B"loop101SIPump1Bdischarge113SZPump1Adischarge120NitrogentoAccumulators120PressurizerReliefTank(PRT)toGasAnalyzer(GA)102Alternatechargingto"A"coldleg103ConstructionFireServiceWater105ContainmentSprayPump1A106"A"ReactorCoolantPump(RCP)sealwaterinlet107SumpAdischargetoWasteHoldupTank108RCPsealwateroutandexcessletdowntoVCT109ContainmentSprayPump1B110"B"RCPsealwaterinlet110SItestline111RHRto"B"coldleg112LetdowntoNon-regen.HeatExchangerISOLATIONBOUNDARYflangeCV370BCV889BCV870BCV383BweldedflangeCV862ACV304AAOV1728MOV313CV862BCV304BMV879MOV720(20)AOV371CV889ACV870ACV8623AOV539MAXIMUMISOLATIONTIME*(SEC)NANANANANANANANA6060NANANANA60NANANA60ISOLATIONBOUNDARY(1)(2)(5)(5)(2)MV5129(3)(2)AOV1723(4)(3)(2)(5)(6)~%4AXOV:'::200AmSueAOi~~20,0E,+14~+AOV,".".:":202:.RV,'.::.:2,03(5)(5)AOV846MV546(7)MAXIMUM/ISOLATIONTIME*(SEC)NANANANANANANA60NANANANANARA60.~i@NANA60NA 4lChIChPENT.NO.IDENTIFICATION/DESCRIPTION141RHR-¹1pumpsuctionfromSumpB142RHR-¹2pumpsuctionfromSumpB143RCDTpumpsuction201ReactorCompart.CoolingUnitA&B202"B"Hydrogenrecombiner(pilot&main)203Contain.Press.TransmitterPT-947&948203Postaccidentairsampleto"B"fan210OxygenmakeuptoA&Brecombiners204ShutdownPurgeSupplyDuct[PurgeSupplyDuct]205Hotlegloopsample206Przr.liquidspacesample206"A"S/Gsample207Przr.Steamspacesample207"B"S/Gsample209ReactorCompartment.CoolingUnitsA&BISOLATIONBOUNDARYMOV850A(13)MOV850B(13)AOV1721MV4757(16)MV4636(16)MV1076BMV1084BPT947PT948MV1563MV1566flange(22)[AOV5870]AOV966CAOV966BAOV5735AOV966AAOV5736MV4758(16)MV4635(16)MV1080AMAXIMUMISOLATIONTIME*(SEC)NANA60NANANANANANANANANA[5]6060606060NANANAZSOLATZONBOUNDARYMOV851A(13)MOV851B(13)AOV1003AAOV1003BSOV-ZV-3BSOV-IV-5BMV1819CMV1819DMV1565MV1568AOV5869(22)MV956D(14)MV956E(14)MV956FSOVIV-2ASOVZV-2BMAXIMUM/ISOLATION'TIME*(SEC)NANA6060NANANANormallyClosedNANormally~ClosedNANANANANANANANANAm~NANormallyClosedNANormallyClosed80 a.PENT.NO.IDENTIFICATION/DESCRIPTIONISOLATIONBOUNDARYMAXIMUMISOLATIONTIME*(SEC)ZSOLATIONBOUNDARYMAXIMUM/ISOLATION'TZ~*(SEC)316ServiceWaterto"B"fancooler317Leakagetestsupply318Deadweighttester(decomissioned)-319320ServiceWaterfrom"A"fancoolerServicewaterto"C"fancooler321AS/GBlowdown322BS/GBlowdown323ServiceWaterfrom"D"fancooler332Leakagetestandhydrogenmonitorinstrumentationlines324DemineralizedwatertoContainment332Cont.Press.Trans.PT-944,949&950MV4628(16)flangeweldedshutMV4629(16)MV4647(16)AOV5738AOV5737MV4644(16)CV8419PT944PT949PT950MV7448MV7452MV7456SOV921SOV922SOV923SOV924NANANANANA6060NANANANANANANANANANANANA(11)MOV7443weldedshut(ll)(11)(ll)AOV8418MV1819GMV1819FMV1819Ecapcapcap(21)(21)(21)(21)NANANormallyClosedNANANANANANANANANANANANANANANANA

~P(10)(11)(12)(13)(14)(15)(16)Thepressuretransmitterprovidesaboundary.Normallyoperatingincomingandoutgoinglineswhichareconnectedtoclosedsystemsinsidecontainmentandprotectedagainstmissilesthroughouttheirlength,areprovidedwithatleastonemanualisolationvalveoutsidecontainment(FSAR5.2.2pg.5.2.2-2).Thesingleremotelycontrolledcontainmentisolationvalveisnormallyopenandmotoroperated.Thecoolingwaterreturnlineisnotdirectlyconnectedtothereactorcoolantsystemand,shouldremainopenwhilethecoolantpumpisrunning.Asecondautomaticisolationbarrierisprovidedbythecomponentcoolingwaterloop,aclosedsystem.(FSAR5.2.2pg.5.2.2-la)SeeFSARTable5.2.2-1andFigure5.2.2-2.Sumplinesareinoperationandfilledwithfluidfollowinganaccident.Containmentleakagetestingisnotrequired.ThevalvesaresubjectedtoRHRsystemhydrostatictest.NormallyoperatingoutgoinglinesconnectedtotheReactorCoolantSystemareprovidedwithatleastoneautomaticallyoperatedtripvalveandonemanualisolationvalveinserieslocatedoutsidethecontainment.Inadditiontotheisolationvalves,eachlineconnectedtotheReactorCoolantSystemisprovidedwitharemoteoperatedrootvalvelocatednearitsconnectiontotheReactorCoolantSystem.(FSAR5.2.2pg.5.2.2-1)SeeFSARTable5.2.2-1andFigure5.2.2-17.TheServiceWatersystemoperatesatapressurehigherthanthecontainmentaccidentpressureandismissileprotectedinsidecontainment.Therefore,thesevalvesareusedforflowcontrolonlyandneednotbeleaktested.(17)(18)MNg+P">UP'P~..'S%%..g?N~"y+8%CP.~MgWCYW:,Ã>Y>g'eQP4CAVPehSWPVYV~'P~4QTne::,:Sy'G:;;::tubes',:".:::,::and:::;::s'e'conairj:.:."s'iai.':jr'ov'icteji.:.:,:::,:glosid~iyjjtem!rxniiide::,'.:':b'oi"i,0'a!i'n'ieri'iijFireServiceWaterwillbeusedonlytofightfiresinsidecontainment.AOV9227isclosedduringpoweroperation.Acontainmentisolationsignaltoautomaticallyclosethisvalveisnotrequiredbecauseaspurioussignalduringafiremaybehazardoustopersonnelandmayimpedefiresuppressionactivities.(19)SeeFSARTable5.2.2-1andFigure5.2.2-16.(20)ContainmentleakagetestingisnotrequiredperL.D.White,Jr.lettertoDennisL.Ziemann,USNRCdatedSeptember21,1978.3.6-10 r,0,It