ML17332A219
| ML17332A219 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 07/19/1994 |
| From: | FITZPATRICK E INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML17332A220 | List: |
| References | |
| AEP:NRC:1215, NUDOCS 9407250158 | |
| Download: ML17332A219 (12) | |
Text
VR.IC3R.ICV1ACCELERATEDRIDSPROCESSING)~REGULATORY.INFORMATXONDXSTRXBUTXONSYSTEM(RIDS)ACCESSIONNBR:9407250158DOC.DATE:94/07/19NOTARIZED:YESDOCKETFACIL:50-315DonaldC.CookNuclearPowerPlant,Unit1,IndianaM0500031550-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaM05000316AUTH.NAMEAUTHORAFFXLIATIONFITZPATRICK,E.XndianaMichiganPowerCo.(formerlyIndiana6MichiganEleRECXP.NAMERECIPIENTAFFXL1ATIONRDocumentControlBranch(DocumentControlDesk)
SUBJECT:
ApplicationforamendstolicensesDPR-58&DPR-74,revisingTSSection3/4.6.1.2recontainmentleakagerequirements.DISTRIBUTIONCODE:A017DCOPIESRECEIVED:LTR(ENCLgSIZE:TITLE:ORSubmittal:AppendJContainmentLeakRateTestingNOTES:0RECIPIENTIDCODE/NAMEPD3-1LAHICKMAN,JINTERNAL:OCCBEGF01ES/'DSTRSAXBEXTERNAL:NRCPDRCOPIESLTTRENCL102210111111RECIPIENTIDCODE/NAMEPD3-1PDOGC/HDS2RES/DE/SEBNSICCOPIESLTTRENCL111111D0CUNNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEiVASTE!CONTACTTHEDOCUMENTCONTROLDESK.ROOMPl-37(EXT.504-2083)TOELIMINATEYOURNAMEFROM.DISTRIBUTIONLISTSFORDOCUMENTSYOUDON'TNEED/TOTALNUMBEROFCOPIESREQUIRED:LTTR11ENCL9 IndianaMichiganPowerCompanyP.O.Box16631Cofumbus,OH43216NAEP:NRC:1215DonaldC.CookNuclearPlantUnits1and2DocketNos~50-315and50-316LicenseNos,DPR-58andDPR-74PROPOSEDAMENDMENTTOTECHNICALSPECIFICATIONSECTION3/4.6.1.2FORCONTAINMENTLEAKAGEREQUIREMENTSU.S.NuclearRegulatoryCommissionDocumentControlDeskWashington,D.C.20555Attn:W.T.RussellJuly19,1994
DearMr.Russell:
ThisletteranditsattachmentsconstituteanapplicationforamendmenttotheTechnicalSpecifications(T/Ss)forDonaldC.CookNuclearPlantUnits1and2.Specifically,weareproposingtomodifyT/Ss3/4.6.1.2byremovingthespecificschedulingrequirementsforTypesA,B,andCtests(overallintegratedandlocalcontainmentleakagerate)fromtheT/SsandreplacingtheserequirementswitharequirementtoperformTypesA,B,andCtestinginaccordancewithAppendixJto10CFR50.TheproposedamendmentwillprovidetheflexibilityneededinschedulingTypeAtestsinconsiderationofour18-monthfuelcycles.Further,theproposedamendmentwillallowustomoretimelyimplementanyperformancebasedinspectioncriteriathatmaybeaddedtoAppendixJasanoptiontoexistingcriteria.Itisourunderstandingthatsuchregulatoryreliefmaybeissuedasafinalrulechangeasearlyas1995.Theproposedchangestotheschedulingrequi.rementsareconsistentwiththesurveillancerequirementsfor10CFR50,AppendixJtestinginNUREG-1431,"StandardTechnicalSpecificationsWestinghousePlants."Attachment1providesadetaileddescriptionoftheproposedchanges,thejustificationforthechanges,andourdeterminationofnosignificanthazardsconsiderationperformedpursuantto10CFR50.92.Attachment2containstheexistingT/Spagesmarkedtoreflecttheproposedchanges.Attachment3containstheproposedT/Spages.CC\9407250158940719JL rE~h'\
W.T.Russell-2-AEP:NRC:1215TheproposedamendmentisaCostBeneficialLicensingAction(CBLA).TheproposedamendmentcaneliminateatleastoneTypeAtestperunitduringeach10-yearserviceperiod.TypeAtestsaddatleasttwotothreedaystoeachoutage.Italsocostsapproximately$200,000toperformaTypeAtest.ThelifetimecostsavingsassociatedwiththisCBLAisapproximately$800,000basedontworemaining10-yearserviceperiodsforeachunit.AnotheroptionwouldbetorequestanexemptiontoAppendixJrequirementsever'ytimethissituationwouldoccur.Suchexemptionshavebeengrantedtootherutilitiesinthepast,however,approvalofthisproposedamendmentwouldprecludeadditionalstaffreviewactivitiesinthefuturefornumerousexemptionrequests.Webelievetheproposedchangeswillnotresultin(1)asignificantchangeinthetypesofanyeffluentthatmaybereleasedoffsite,or(2)asignificantincreaseinindividualorcumulativeoccupationalradiationexposure.TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommitteeandtheNuclearSafetyandDesignReviewCommi.ttee.Incompliancewiththerequirementsof10CFR50.91(b)(l),copiesofthisletteranditsattachmentshavebeentransmittedtotheMichiganPublicServiceCommissionandtot'eMichiganDepartmentofPublicHealth.Thisletterissubmittedpursuantto10CFR50.30(b)and,assuch,anoathstatementisattached.IndianaMichiganPowerrequestsNRCapprovaloftheproposedamendmentbyAugust1995,sothatanadditionalexemptionrequestwouldnothavetobefiledforCookNuclearPlantUnit2.BasedontheprescriptiveT/Ssurveillancerequirementsthatcurrently'exist,theexemptionrequestwouldhavetobefiledtokeepfromperformingaTypeAtestinUnit2foreachoftwosubsequentrefuelingoutages,thefirstofwhichistentativelyscheduledtobegininFebruary1996.Sincerely,O'E'DE.FitzatrickVicePresident V.T.Russell-3-AEP:NRC:1215sahAttachmentsCC:A.A.BlindG.CharnoffJ.B.Martin-RegionIIINFEMSectionChiefNRCResidentInspectorJ.R.Padgett STATEOFOHIO)COUNTYOFFRANKLIN)E.E.Fitzpatrick,beingdulysworn,deposesandsaysthathe.istheVicePresidentoflicenseeIndianaMichiganPowerCompany,thathehasreadtheforegoingPROPOSEDAMENDMENTTOTECHNICALSPECIFICATIONSECTION3/4.6.1.2FORCONTAINMENTLEAKAGEREQUIREMENTSandknowsthecontentsthereof;andthatsaidcontentsaretruetothebestofhisknowledgeandbelief.Subscribedandsworntobeforemethis~~dayof,19~~.NOTARYPUBLICRITAD.HILLNOTARYPUBLIC.STATEOFOHIO Q/I ATTACHMENT1TOAEP:NRC:1215DESCRIPTIONANDJUSTIFICATIONOFCHANGES10CFR50.92ANALYSISFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICALSPECIFICATIONS Attachment1toAEP:NRC:1215Page1DESCRIPTIONOFCHANGESTheproposedamendmenttoTechnicalSpecifications(T/Ss)3/4.6.1.2makesthefollowingspecificchangestotheCookNuclearPlantUnits1and2T/SsA.RevisesSurveillanceRequirement4'.1.2.atoremovethespecificrequirementthattheTypeAtestsbeperformedat40a10monthintervalswiththethirdtestofeachsetconductedduringtheshutdownforthe10-yearplantinserviceinspectionandreplaceitwiththefollowing:"TypesA,B,andC(OverallIntegratedandLocalCombinedLeakageRate)testingshallbeconductedinaccordancewiththerequirementsspecifiedinAppendixJto10CFR50,asmodifiedbyapprovedexemptions."B.ThemodifiedstatementproposedaboveincorporatesSurveillanceRequirement4.6.1.2.dforTypesBandCtestingintoSurveillanceRequirement4.6.1.2.a.TheseTypesBandCtestingrequirementsarealsospecifiedinAppendixJto10CFR50.Therefore,itisnotnecessarytorepeattheserequirementsintheT/Ssgiventheabovesuggestedchange.C.DeletesSurveillanceRequirements4.6.1.2.b,4.6.1.2.c,and4.6.1.2.f.ThesetestingrequirementsarealsospecifiedinAppendixJto10CFR50.Therefore,itisnotnecessarytorepeattheserequirementsintheT/Ssgiventheabovesuggestedchange.D.TheUnit1T/Ssaddsasurveillancerequirementtostatethat,"TheprovisionsofSpecification4.0.2arenotapplicable."ThisisarequirementthatexistsintheUnit2T/SsasSurveillanceRequirement4.6.1.2.gandisconsistentwiththedirectionprovidedinAppendixJto10CFR50.ItisbeingaddedtotheUnit1T/Ssforconsistency.E.Renumberstheremainingsurveillancerequirementsforcontinuity.Duetotheamountofverbiagebeingdeleted,Page3/46-3ofbothUnits1and2T/Sswillbeleftblank.Theseareadministrativechanges.II.JUSTIFICATIONFORCHANGESTheTypeArequiredtestscheduleprovidesonlya20-monthwindowforschedulingTypeAtests.ThisrequirementisnotappropriateforafacilitylikeCookNuclearPlantwhichusesan18-monthfuelcycle.An18-monthfuelcycledoesnotprovidesufficientflexibilityforthreetestswithinatenyearserviceperiodwhenlimitedbythestipulationthatthetestsbeperformedat40~10 Attachment1toAEP:NRC:1215Page2monthintervals.Theinitialschedulewasbasedon12-monthfuelcycles;however,18-monthfuelcyclesareusedmorewidelythroughouttheindustryandalsoatCookNuclearPlant.ExperienceatotherunitshasdemonstratedthatthecurrentT/Sstestintervalistooprescriptive.AttheNorthAnnaPowerStation,whichuses18-monthcycles,bothunitshadtosubmitrequestsforaonetimeT/Ssexemptionrequest,todeviatefromtheT/SswhichspecifiedaTypeAtestschedule,toallowthethirdtesttocoincidewiththe10-yearinserviceinspectionperiod.ArizonaPublicServiceCompanyalsosubmittedasimilaramendmentrequestonDecember2,1993,torewordtheirT/Ssasproposedherein.ThissubmittalwassubsequentlyapprovedbytheNRConApril6,1994,forthePaloVerdeNuclearGeneratingStationUnits1,2,and3.TheneedforschedulingflexibilityforTypeAtestswasalsoincorporatedaspartoftheT/SsImprovementProgramand,asaresult,NUREG1431,"StandardTechnicalSpecificationsWestinghousePlants"onlyreferencesAppendixJto10CFR50requirementsforTypeAtests.WearealsoapplyingthissamereasoninginthisrequestforTypesBandCtestingrequirementstoonlyspecifyreferencetoAppendixJof10CFR50forschedulingrequirements.The24monthtestintervalisarequirementofAppendixJto10CFR50.TheCookNuclearPlantT/SscurrentlyrequirethatasetofthreeTypeAtestsbeperformedspecificallyat40a10monthintervalsduringeach10-yearserviceperiod,withthethirdtestofeachsetperformedduringtheshutdownforthe10-yearplantinserviceinspection.Tomeettheserequirements,aplantoperatingonan18-monthfuelcyclemustperformaTypeAtesteveryotheroutage.Thesurveillanceintervalisnogreaterthan24monthsforTypesBandCtests,whichisthesameasprescribedinAppendixJto10CFR50.AppendixJto10CFR50requiresthataTypeAtestofthecontainmentbeperformedperiodically.Thesetestsarerequiredtobescheduledasasetofthreetests,tobeperformedatapproximatelyequalintervals,duringeach10-yearserviceperiod,withthethirdsettocoincidewiththeshutdownforthe10-yearplantinserviceinspection.WhiletheCookNuclearPlantT/SsessentiallyduplicatetherequirementsofAppendixJto10CFR50,theT/SscontaintheadditionalrequirementthatTypeAtestingbeperformedat40a10monthintervals.Thisadditionalrequirementistoorestrictiveforunitswith18-monthfuelcycles,asindicatedabove,andoftentimesrequiressubmittalofanexemptionrequesttoexceedthe40a10monthlimitforthethirdtest.Therefore,weproposetorevisetheT/SsforCookNuclearPlantUnits1and2todeletetheprescriptivetestingandschedulingrequirementsforTypesA,B,andCtestingandinsteadreferencethatTypesA,B,and Attachment1toAEP:NRC:1215Page3Ctesting10CFR50.wordingin4.6.1.2.a,willbeperformedinaccordancewithAppendixJtoThisisaccomplishedbymodifyingtheprescriptiveT/Ss4.6.1.2.aand4.6.1.2.dandcombiningthemintoT/SsanddeletingT/Ss4.6.1.2.b,4.6.1.2.c,and4.6.1.2.f.Unit1T/SsdonothavearequirementthatexemptTypesA,B,andCtestingfromtheprovisionsofT/S4.0.2.T/S4.0.2providesprovisionstoallowamaximumallowablesurveillanceintervalextensionofupto25%ofthespecifiedsurveillanceinterval.TherequirementsofAppendixJto10CFR50wouldbeviolatedifthisextensionwereusedforUnitl.Unit2T/Sshavethisrequirementalreadyincorporated.TherequirementisbeingaddedtoUnit1toprovideconsistencybetweentheT/SsofbothunitsandalleviatethepossibilityofviolatingtherequirementsofAppendixJ.ApprovalofthisproposedchangewouldalsoreducethenumberT/Samendmentrequestsinthefuture,thatwouldberequiredasaresultoftheanticipatedimprovementsbeingconsideredforAppendixJto10CFR50,andwouldgiveustheflexibilitytoimplementanyenhancementssooner.ByonlyreferencingAppendixJintheT/Ss,anychangestoAppendixJwouldautomaticallybeencompassedwithintheT/Ss.III.10CFR5092CRITERIPer10CFR50.92,aproposedchangedoesnotinvolveasignificanthazardsconsiderationifthechangedoesnot:involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated,2.createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated,or3.involveasignificantreductioninamarginofsafety.Criterion1ThisamendmentrequestdoesnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluatedbecausetheproposedchangestotheT/Ssdonotaffecttheassumptions,parameters,orresultsofanyUFSARaccidentanalysis.Theproposedchangesdonotmodifytheresponseofthecontainmentduringadesignbasisaccident.Theproposedamendmentdoesnotaddormodi.fyanyexistingequipment.TheproposedTypesA,B,andCtestingscheduleswillbeconsistentwithAppendixJto10CFR50.Basedontheseconsiderations,itisconcludedthatthechangesdonotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.
Attachment1toAEP:NRC;1215Page4Criterion2Theproposedchangesdonotinvolvephysicalchangestotheplantorchangesinplantoperatingconfiguration.TheproposedchangesonlyremovetherestrictiveschedularrequirementsforconductingTypeAtestingfromtheT/SsandsubstitutetheschedulespecifiedinAppendixJto10CFR50.ForTypesBandCtestingtheschedularrequirementsareremovedfromT/Ssbecausetheyarealreadyspeci.fiedinAppendixJto10CFR50.Thus,itisconcludedthattheproposedchangesdonotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.Criterion3ThemarginforsafetypresentlyprovidedisnotreducedbytheproposedchangeintheschedularrequirementsforTypeAtests.TypesBandCschedularrequirementsarenotchangedbyremovingthemfromT/Ss.AlthoughthechangesallowmoreflexibilityinschedulingTypeAtests,theproposedamendmentcontinuestoensurereactorcontainmentsystemreliabilitybyperiodictestinginfullcompliancewith10CFR50,AppendixJ.Basedontheseconsiderations,itisconcludedthatthechangesdonotinvolveasignificantreductioninamarginofsafety.