ML17264A599
| ML17264A599 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 09/13/1996 |
| From: | MECREDY R C ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17264A598 | List: |
| References | |
| NUDOCS 9609180193 | |
| Download: ML17264A599 (8) | |
Text
UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMSSIONIntheMatterofRochesterGasandElectricCorporation(R.E.GinnaNuclearPowerPlant))))DocketNo.50-244)APPIICATIONFORAMENDMENTTPERATINIIENEPursuanttoSection50.90oftheregulationsoftheU.S.NuclearRegulatoryCommission(NRC),RochesterGasandElectricCorporation(RGB'),holderofFacilityOperatingLicenseNo.DPR-18,herebyrequeststhattheTechnicalSpecificationssetforthinAppendixAtothatlicense,ebeamended.ThisrequestforchangeistorevisetheReactorCoolantSystem(RCS)PressureandTemperature(P/7)limitsandLowTemperatureOverpressureProtection(LTOP)limitsascontainedintheRCSPressureandTemperatureLimitsReport(PTLR)referencedbytheAdministrativeControlstoreflectupdatedinformation.Adescriptionoftheamendmentrequest,necessarybackgroundinformation,justificationoftherequestedchanges,andnosignificanthazardsandenvironmentalconsiderationsareprovidedinAttachmentI.Thisevaluationdemonstratesthattheproposedchangesdonotinvolveasignificantchangeinthetypesorasignificantincreaseintheamountsofeffluentsoranychangeintheauthorizedpowerlevelofthefacility.Theproposedchangesalsodonotinvolveasignificanthazardsconsideration.PDRAOQCK050002P eAmarkedupcopyoftheGinnaStationTechnicalSpecificationswhichshowtherequestedchangesissetforthinAttachmentII.TheproposedrevisedtechnicalspecificationsareprovidedinAttachmentIII.TherevisedPTLRisprovidedinAttachmentIVwhileWCAP-14684(whichprovidesnecessarysupportingdocumentation)isprovidedinAttachmentV.WHEREFORE,ApplicantrespectfullyrequeststhatFacilityOperatingLicenseNo.DPR-18,andAttachmentAtothatlicense,beamendedintheformattachedheretoasAttachmentIII.RochesterGasandElectricCorporationByRobertC.MecredyVicePresidentNuclearOperationsSubscribedandsworntobeforemeonthis13thdayofSeptember1996.NotaryPublicDEBORAHA.PIPERNlNotaryPublicintheStateolNewYorkONTARIOCOUNTYCommissionExpiresNov.23,19.$.7 AttachmentIR.E.GinnaNuclearPowerPlantLicenseAmendmentRequest.RevisionofReactorCoolantSystem(RCS)PressureandTemperatureLimitsReport(PTLR)Thisattachmentprovidesadescriptionofthelicenseamendmentrequest(LAR)andthenecessaryjustificationstosupportarevisiontotheRCSpressureandtemperature(P/T)limitsandlowtemperatureoverpressureprotection(LTOP)limitscontainedinthePTLRasreferencedbytheAdministrativeControls.Thisattachmentisdividedintosixsectionsasfollows.SectionAsummarizesallchangestotheGinnaStationTechnicalSpecificationswhileSectionBprovidesthebackgroundandhistoryassociatedwiththechangesbeingrequested.SectionCprovidesthejustificationsassociatedwiththeseproposedchanges.AnosignificanthazardsconsiderationevaluationandenvironmentalconsiderationoftherequestedchangestotheGinnaStationTechnicalSpecificationsareprovidedinSectionsDandE,respectively.SectionFlistsallreferencesusedinthisattachment.A.DESCRIPTIONOFTECHNICALSPECIFICATIONCHANGESThisLARproposestorevisetheGinnaStationTechnicalSpecificationstoreflectanewPILRintheAdministrativeControlssection.ThechangeissummarizedbelowandshowninAttachmentII.1.AdministrativeControls5.6.6Itemcwillberevisedtoreplacethe'referencetotheMay23,1996NRCletterwithanewreferencethatapprovesthePTLRincludedasAttachmentIVtothisLAR.Inaddition,referencedocumentitem1isrevisedtoreferencethisLARasthesourceforthePTLRlimitsandmethodologywhileitem2isrevisedtoreferencethefinalapprovedWCAP-14040whichisthebasisforthenewP/Tcurves.Finally,atypographicalerrorinitemdwillbecorrected.
BACKGROUNDDuringtheconversiontoimprovedstandardtechnicalspecifications(ITS)forGinnaStation,RGBproposedtorelocatetheLTOPandRCSP/TlimitstothePTLR(Ref.1).AssociatedwiththischangewastheadditionofareferencetotheAdministrativeControlssectionoftechnicalspecificationsrelatedtothePTLRdocumentingthemethodologyusedforallchangestotheselimits.However,theproposedmethodologywouldbe"new"withrespecttodeterminationofboththeLTOPandRCS'P/Tlimits.Duetotimeconstraints,RG&EinformedtheNRCthatuseofthisnewmethodologywouldbeburdensomeandinstead,.RGBwishedtoretaintheexistingvalues.TheNRCagreedwiththisconcernandallowedtheexistinglimitstoberelocatedtothePTLRbutrequiredchangestotheselimitstobereviewedandapprovedbytheNRCasdocumentedinReference2.SubsequenttotheconversiontoITS,theNRCcompleteditsreviewofthelatestreactorvesselcapsuledataandtheassociatedimpactonthepressurizedthermalshockevaluationforGinnaStation(Ref.3).IncorporationofthisinformationintothePTLRrequiredareassessmentoftheP/TcurvesandLTOPsetpointsthatareincludedinthePTLR.However,thefluencefactormethodologyusedfortheGinnaStationPTSevaluationwasanearlierversionthanthatrequiredbyWCAP-14040(Ref.4)whichwastobethebasisfortheP/Tmethodology.Sinceanupdateoftheassociateddocumentscouldnotbecompletedinthetimeframerequiredtosupportstart-upfromthe1996refuelingoutage,theNRCapprovedaPTLRforuseatGinnaStationuntilDecember31,1996usinganestimatedfluencefactorvalue(Ref.5).ThepurposeofthisLARistocompleteimplementationofGenericLetter96-03forGinnaStationandtorespondtotheDecember31,1996timelimitontheexistingPTLR.GenericLetter96-03requiresthatlicenseesreferencetheP/TandLTOPmethodologiesinthetechnicalspecificationsandprovideaproposedPTLRusingthemethodologyforNRCreview.WCAP-14040(Ref.4)hasbeengenericallyapprovedforusebytheNRCforP/Tlimits.TheLTOPmethodologyforGinnaStation(Ref.1)hasbeen"previouslyreviewedbytheNRCandfoundtobeacceptable(Ref.5).Therefore,thisLARprovidesaproposedPTLR(andsupportingdocumentationasprovidedinWCAP-14684)andincludesareferencetoWCAP-14040andReference1intheAdministrativeControlsasthebasisforthemethodology.ItshouldbenotedthateventhoughthetechnicalspecificationsdonotrequirereactorvesselmaterialinformationtobelocatedwithinthePTLR,thisinformationisprovidedconsistentwithGenericLetter96-03.ThisincludesarevisedRTFisvaluebasedontheattachedWCAP-14684.TherevisedRT~valuealsoincludeschangesmadeasaresultofadditionalsurveillancecapsulechemistryanalyses.
ThissectionprovidesthejustificationforallchangesdescribedinSectionAaboveandshowninAttachmentII.Thejustificationsareorganizedbasedonwhetherthechangeis:morerestrictive(M),lessrestrictive(L),administrative(A),ortherequirementisrelocated(R).Thejustificationslistedbelowarealsoreferencedin.thetechnicalspecification(s)whichareaffected(seeAttachmentIl).ItisnotedthatthereareonlyadministrativechangesassociatedwiththisLAR.C.1miniriAdministrativeControlsSection5.6.6.cisrevisedtoreplacereferencetotheMay23,1996submittalwithanewreferencethatapprovesthePTLRincludedasAttachmentIVtothissubmittal.Inaddition,thereferencesforPTLRmethodologyareupdated.ThesechangesareadministrativeinnaturesincetheRCSP/TlimitsandLTOPlimitswerepreviouslyrelocatedfromtechnicalspecificationstothePTLR.TheonlychangebeingrequestedistoupdatethePTLRconsistentwithgenericallyapprovedWCAP-14040andtoreflecthenewmethodologybeingusedintheAdministrativeControlssection.2.AtypographicalerrorinAdministrativeControlsSection5.6.6.discorrectedtoprovideconsistencywithNUREG-1431.Therearenotanymorerestrictive(M),lessrestrictive(L),orrelocated(R)changesassociatedwiththisLAR.D.SIGNIFICANTHAZARDSCONSIDERATIONEVALUATIONTheproposedchangestotheGinnaStationTechnicalSpecificationsasidentifiedinSectionAandjustifiedinSectionChavebeenevaluatedwithrespectto10CFR50.92(c)andshowntonotinvolveasignificanthazardsconsiderationasdescribedbelow.ThissectionisorganizedbasedonSectionCabove.
DlEvlinfAminirivehneTheadministrativechangesdiscussedinSectionC.ldonotinvolveasignificanthazardsconsiderationasdiscussedbelow:OperationofGinnaStationinaccordancewiththeproposedchangesdoesnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.TheproposedchangesonlyrevisethereferencetothePTLRintheAdministrativeControlssectionoftechnicalspecificationsandcorrectatypographicalerror.ThechangescompleteimplementationofGenericLetter96-03byreferencingNRCapprovedmethodologywithintheAdministrativeControls.Assuch,thesechangesareadministrativeinnatureanddonotimpactinitiatorsoranalyzedeventsorassumedmitigationofaccidentortransientevents.Therefore,thesechangesdonotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyanalyzed.OperationofGinnaStationinaccordancewiththeproposedchangesdoesnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.Theproposedchangesdonotinvolveaphysicalalterationoftheplant(i.e.,nonewordifferenttypeofequipmentwillbeinstalled)orchangesinthemethodsgoverningnormalplantoperation.Theproposedchangeswillnotimposeanynewordifferentrequirements.Thus,thischangedoesnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.OperationofGinnaStationinaccordancewiththeproposedchangesdoesnotinvolveasignificantreductioninamarginofsafety.TheproposedchangeswillnotreduceamarginofplantsafetybecausethechangeshavebeenshowntoensurethattheP/TandLTOPlimitsintherevisedPTLRcontinuetomeetallnecessaryrequirementsforreactorvesselintegrity.Thesechangesareadministrativeinnature.Assuch,noquestionofsafetyisinvolved,andthechangedoesnotinvolveasignificantreductioninamarginofsafety.Basedupontheaboveinformation,ithasbeendeterminedthattheproposedadministrativechangestotheGinnaStationTechnicalSpecificationsdonotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated,doesnotcreatethepossibilityofanewordifferentkindofaccidentpreviouslyevaluated,anddoesnotinvolveasignificantreductioninamarginof.safety.Therefore,itisconcludedthattheproposedchangesmeettherequirementsof10CFR50.92(c)anddonotinvolveasignificanthazardsconsideration.
E.ENVIRONMENTALCONSIDERATIONRG&;Ehasevaluatedtheproposedchangesanddeterminedthat:ThechangesdonotinvolveasignificanthazardsconsiderationasdocumentedinSectionDabove;2.Thechangesdonotinvolveasignificantchangeinthetypesorsignificantincreaseintheamountsofanyeffluentsthatmaybereleasedoffsitesincenospecificationsrelatedtooffsitereleasesareaffected;and3.Thechangesdonotinvolveasignificantincreaseinindividualorcumulativeoccupationalradiationexposuresincenonewordifferenttypeof,equipmentarerequiredtobeinstalledasaresultofthisLAR.Accordingly,theproposedchangesmeettheeligibilitycriteriaforcategoricalexclusionsetforthin10CFR51.22(c)(9).Therefore,pursuantto10CFR51.22(b),anenvironmentalassessmentoftheproposedchangesisnotrequired.F.REFERENCESLetterfromR.C.Mecredy,RG&E,toA.R.Johnson,NRC,
Subject:
TechnicalSpecifica(ionsImprovementProgram,ReactorCoolantSystem(RCS)PressureandTemperatureLimitsReport(PTLR),datedDecember8,1995.2.LetterfromL.B.Marsh,NRC,toR.C.Mecredy,RG&:E,
Subject:
RL.Ginna-AcceptanceforReferencingofPressureTemperatureLimitsReport(TACNo.M92320),datedDecember26,1995.3.LetterfromA.R.Johnson,NRC,toR.C.Mecredy,RG&;E,
Subject:
RL.GinnaNuclearPowerPlant-PressurizedThermalShockevaluation(TACNo.M93827),datedMarch22,1996.4.WCAP-14040-NP-A,MethodologyUsedtoDevelopColdOverpressureMitigatingSystemSetpointsandRCSHeatupandCooldownLimitCurves,January1996.5.LetterfromG.S.VissingNRC,toR.C.Mecredy,RG&E,
Subject:
IssuanceofAmendmentNo.64toFacilityOperatingLicenseNo.DPR-18,RL~.GinnaNuclearPowerPlant(TACNo.M94770),datedMay23,1996.