ML17264A404
ML17264A404 | |
Person / Time | |
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Site: | Ginna |
Issue date: | 03/15/1996 |
From: | MECREDY R C ROCHESTER GAS & ELECTRIC CORP. |
To: | |
Shared Package | |
ML17264A403 | List: |
References | |
NUDOCS 9603210235 | |
Download: ML17264A404 (9) | |
Text
UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONIntheMatterofRochesterGasandElectricCorporation(R.E.GinnaNuclearPowerPlant))))DocketNo.50-244)APPLICATIONFORAMENDMENTTPERATINLIENEPursuanttoSection50.90oftheregulationsoftheU.S.NuclearRegulatoryCommission(NRC),RochesterGasandElectricCorporation(RGB),holderofFacilityOperatingLicenseNo.DPR-18,herebyrequeststhattheTechnicalSpecificationssetforthinAppendixAtothatlicense,beamended.ThisrequestforchangeistoincorporatereferencetothemethodologyfordeterminingReactorCoolantSystem(RCS)PressureTemperature(P/T)limitsandLowTemperatureOverpressureProtection(LTOP)limitsintotheAdministrativeControlssectionfortheRCSPressureandTemperatureLimitsReport(PTLR).Adescriptionoftheamendmentrequest,necessarybackgroundinformation,justificationoftherequestedchanges,andnosignificanthazardsandenvironmentalconsiderationsareprovidedIinAttachmentI.Thisevaluationdemonstratesthattheproposedchangesdonotinvolveasignificantchangeinthetypesorasignificantincreaseintheamountsofeffluentsoranychangeintheauthorizedpowerlevelofthefacility.Theproposedchangesalsodonotinvolveasignificanthazardsconsideration.9603210235960315PDRADQCK05000244P.PDR I' AmarkedupcopyoftheGinnaStationTechnicalSpecificationswhichshowtherequestedchangesissetforthinAttachmentII.TheproposedrevisedtechnicalspecificationsareprovidedinAttachmentIII.WHEREFORE,ApplicantrespectfullyrequeststhatFacilityOperatingLicenseNo.DPR-18,andAttachmentAtothatlicense,beamendedintheformattachedheretoasAttachmentIII.RochesterGasandElectricCorporationByRobertC.MecredyVicePresidentNuclearOperationsSubscribedandsworntobeforemeonthis15thdayofMarch1996.NoaryPublicLORETTAMARSHALLPARKERNosyPublicmthestateofNewYotftMONROECOUNTYCotnnxseenExpiresDec.12,ife.p.
AttachmentI,R.E.GinnaNuclearPowerPlantLicenseAmendmentRequestImplementationofGenericLetter96-03Thisattachmentprovidesadescriptionofthelicenseamendmentrequest(LAR)andthenecessaryjustificationstosupportincorporationofthemethodologyfordeterminingReactorCoolantSystem(RCS)pressuretemperature(P/T)limitsandlowtemperatureoverpressureprotection(LTOP)limitsintotheAdministrativeControlssectionfortheRCSPressureandTemperatureLimitsReport(PTLR).Thisattachmentisdividedintosixsectionsasfollows.SectionAsummarizesallchangestotheGinnaStationTechnicalSpecificationswhileSectionBprovidesthebackgroundandhistoryassociatedwiththechangesbeingrequested.SectionCprovidesthejustificationsassociatedwiththeseproposedchanges.AnosignificanthazardsconsiderationevaluationandenvironmentalconsiderationoftherequestedchangestotheGinnaStationTechnicalSpecificationsareprovidedinSectionsDandE,respectively.SectionFlistsallreferencesusedinthisattachment.A.DESCRIPTIONOFTECHNICALSPECIFICATIONCHANGESThisLARproposestorevisetheGinnaStationTechnicalSpecificationstoincorporatereferencetothemethodologyfordeterminingP/TandLTOPlimits.ThechangeissummarizedbelowandshowninAttachmentII.AdministrativeControls5.6.6ItemcwillberevisedtoreferencethemethodologyfordeterminingP/TandLTOPlimitsandtodeletereferencetoAmendmentNo.48.
B.BACKGROVNDDuringtheconversiontoimprovedstandardtechnicalspecifications(ITS)forGinnaStation,RGAEhadproposedtorelocatetheLTOPandRCSP/TlimitstothePTLR(Ref.1).AssociatedwiththischangewastheadditionoFareferencetotheAdministrativeControlssectionoftechnicalspecificationsrelatedtothePTLRdocumentingthemethodologyusedforallchangestotheselimits.However,theproposedmethodologywouldbe"new"withrespecttodeterminationofboththeLTOPandRCSP/Tlimits.Duetotimeconstraints,RG&EinformedtheNRCthatuseofthisnewmethodologywouldbeburdensomeandinstead,RGBwishedtoretaintheexistingvalues.TheNRCagreedwiththisconcernandallowedtheexistinglimitstoberelocatedtothePTLRbutrequiredchangestotheselimitstobereviewedandapprovedbytheNRCasdocumentedinReference2.SubsequenttotheconversiontoITS,GenericLetter96-03wasreleasedprovidingguidancetolicenseesforrelocatingtheLTOPandRCSP/TlimitstothePTLRwithincorporationofthemethodologyfordeterminingtheselimitsaddedtotheAdministrativeControlssectionoftechnicalspecifications.Also,theNRC'sreviewofthelatestreactorvesselcapsuleisnearingcompletionsuchthatmethodologyforbothRCSP/TlimitsandLTOPlimitscannowbeincorporatedintotechnicalspecificationswithoutplacinganundueburdenonplantstaff.GenericLetter96-03requiresthatlicenseesreferencethemethodologyinthetechnicalspecificationsandprovideaproposedPTLRusingthemethodologyforNRCreview.TheproposedmethodologyfortheP/TlimitswillbeWCAP-14040,Revision1(Ref.3)whichhasbeengenericallyapprovedforusebytheNRC.However,therevisedPTLRusingthismethodologywillbesubmittedatalaterdateuponcompletionoftheNRCreviewoflatestreactorvesselcapsuledata.TheproposedmethodologyfortheLTOPlimitsisthatdocumentedinReference1whichhasreceivedpreviousNRCreviewduringthetechnicalspecificationconversionprocess.ThiswillalsobereflectedintheforthcomingrevisedPTLR.C.JUSTII'"ICATIONOFCHANGESThissectionprovidesthejustificationforallchangesdescribedinSectionAaboveandshowninAttachmentII.Thejustificationsareorganizedbasedonwhetherthechangeis:morerestrictive(M),lessrestrictive(L),administrative(A),ortherequirementisrelocated(R).Thejustificationslistedbelowarealsoreferencedinthetechnicalspecification(s)whichareaffected(seeAttachmentIl).
C.lA.lAdministrativeControlsSection5.6.6.cisrevisedtostatethat"theanalyticalmethodsusedtodeterminetheRCSpressureandtemperatureandLTOPlimitsshallbethosepreviouslyreviewedandapprovedbytheNRC"versusreferencingAmendmentNo.48tothetechnicalspecifications.ThischangeisadministrativeinnaturesincetheRCSP/TlimitsandLTOPlimitswerepreviouslyrelocatedfrom-technicalspecificationstothePTLR.TheonlychangebeingrequestedisthatallfuturechangestotheselimitsmustbeperformedinaccordancewithNRCapprovedmethodologyinsteadofrequiringalicenseamendment.ThechangeisalsoconsistentwithNUREG-1431andGenericLetter96-03.Therearenotanymorerestrictive(M),lessrestrictive(L),orrelocated(R)changesassociatedwiththisLAR.D.SIGNIFICANTHAZARDSCONSIDERATIONEVALUATIONTheproposedchangestotheGinnaStationTechnicalSpecificationsasidentifiedinSectionAandjustifiedinSectionChavebeenevaluatedwithrespectto10CFR50.92(c)andshowntonotinvolveasignificanthazardsconsiderationasdescribedbelow.ThissectionisorganizedbasedonSectionCabove.D.1EvluionofAdminitrivehneTheadministrativechangesdiscussedinSectionC.ldonotinvolveasignificanthazardsconsiderationasdiscussedbelow:OperationofGinnaStationinaccordancewiththeproposedchangesdoesnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.TheproposedchangesonlyrequirethatfutureRCSP/TandLTOPlimitsbedevelopedusingNRCapprovedmethodologyasspecifiedwithintheAdministrativeControlssectionanddonotinvolveanytechnicalchanges.Assuch,thesechangesareadministrativeinnatureanddonotimpactinitiatorsoranalyzedeventsorassumedmitigationofaccidentortransientevents.Therefore,thesechangesdonotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyanalyzed.
OperationofGinnaStationinaccordancewiththeproposedchangesdoesnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.Theproposedchangesdonotinvolveaphysicalalterationoftheplant(i.e.,nonewordifferenttypeofequipmentwillbeinstalled)orchangesinthemethodsgoverningnormalplantoperation.Theproposedchangeswillnotimposeanynewordifferentrequirements.Thus,thischangedoesnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.OperationofGinnaStationinaccordancewiththe'proposedchangesdoesnotinvolveasignificantreductioninamarginofsafety.TheproposedchangeswillnotreduceamarginofplantsafetybecausethechangesdonotimpactanysafetyanalysisassumptionsotherthanrequiringfutureevaluationsofRCSP/TandLTOPlimitstobeperformedinaccordancewithNRCapprovedmethodology.Thesechangesareadministrativeinnature.Assuch,noquestionofsafetyisinvolved,andthechangedoesnotinvolveasignificantreductioninamarginofsafety.Basedupontheaboveinformation,ithasbeendeterminedthattheproposedadministrativechangestotheGinnaStationTechnicalSpecificationsdonotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated,doesnotcreatethepossibilityofanewordifferentkindofaccidentpreviouslyevaluated,anddoesnotinvolveasignificantreductioninamarginofsafety.Therefore,itisconcludedthattheproposedchangesmeet.therequirementsof10CFR50.92(c)anddonotinvolveasignificanthazardsconsideration.E.ENVIRONMENTALCONSIDERATIONRGAEhasevaluatedtheproposedchangesanddeterminedthat:1.ThechangesdonotinvolveasignificanthazardsconsiderationasdocumentedinSectionDabove;2.Thechangesdonotinvolveasignificantchangeinthetypesorsignificantincreaseintheamountsofanyeffluentsthatmaybereleasedoffsitesincenospecificationsrelatedtooffsitereleasesareaffected;and3.ThechangesdonotinvolveasignificantincreaseinindividualorcumulativeoccupationalradiationexposuresincenonewordifferenttypeofequipmentarerequiredtobeinstalledasaresultofthisLAR.Accordingly,theproposedchangesmeettheeligibilitycriteriaforcategoricalexclusionsetforthin10CFR51.22(c)(9).Therefore,pursuantto10CFR51.22(b),anenvironmentalassessmentoftheproposedchangesisnotrequired.
F.REFERENCESLetterfromR.R.Mecredy,RGAE,toA.A.johnson,NRC,
Subject:
TechnicalSpecifIcationsImprovementProgram,ReactorCoolantSystem(RCS)PressureandTemperatureLimitsReport(PTLR),datedDecember8,1995.2.LetterfromL.B.Marsh,NRC,toR.R.Mecredy,RG8cE,RZ'.Ginna-AcceptanceforReferencingofPressureTemperatureLimitsReport(TAC8M92320),datedDecember26,1995.3.&CAP-14040,MethodologyUsedtoDevelopColdOverpressureMitigatingSystemSetpointsandRCSHeatupandCooldownLimitCurves,Revision1.