ML17229A107

Application for Amend to License NPF-16,modifying TS to Implement 10CFR50,App J,Option B,To Revise TS to Allow Type A,B & C Containment Leakage Tests to Be Conducted at Extended Intervals Determined by performance-based Criteria

ML17229A107
Person / Time
Site:	Saint Lucie
Issue date:	10/28/1996
From:	STALL J A FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17229A108	List: ML17229A107 ML17229A109
References
L-96-245, NUDOCS 9611010285
Download: ML17229A107 (15)

Text

CATEGORY,1REGULAT+INFORMATIONDZSTRIBUTIOYSTEM(RIDE)ACCESSIONNBR:9611010285DOC.DATE:96/10/28NOTARIZED:YESFACIL:50-389St.LuciePlant,Unit2,FloridaPower6LightCo.AU~~H.NAMEAUTHOR.AFFILIATIONSTALLFJ.A.FloridaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATIONDOCKETI05000389

SUBJECT:

ApplicationforamendtolicenseNPF-16,modifyingTStoimplement10CFR50,AppJ,OptionB,toreviseTStoallowTypeA,BaCcontainmentleakageteststobeconductedatextendedintervalsdetexminedbyperformance-basedcriteria.DISTRIBUTIONCODE:AOOZDCOPIESRECEIVED:LTRjENCL1SIZE:TITLE:ORSubmittal:GeneralDistributionNOTES:AERECIPIENTIDCODE/NAMEPD2-3LAWIENS,L.INTERNAL:ACRSNRR/DE/EMCBNRR/DSSA/SPLBNUDOCS-ABSTRACTEXTERNAL:NOACCOPIESLTTRENCL11111111111111RECIPIENTIDCODE/NAMEPD2-3PDILECENTERRCHHICBNRR/DSSA/SRXBOGC/HDS3NRCPDRCOPIESLTTRENCL1~11111111011l4RPjZDF'C@8(I<~~5SSeiSCSSI(IDEN'OTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE.TOHAVEYOURNAMEORORGANIZATIONREMOVEDFROMDISTRIBUTIONLISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION,CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION415>>2083I(,TOTALNUMBEROFCOPIESREQUIRED:LTTR~ENCL

,~l~~U PALOctober28,1996FloridaPower&LightCompany,P.O.Box128,FortPiorco,FL34954-Ot28L-96-24510CFR50-3610CFR509010CFR50'2U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Re:St.LucieUnit2DocketNo.50-389ProposedLicenseAmendmentInaccordancewith10CFR50.90,FloridaPowerandLightCompany(FPL)requeststhtAd'ofFacilityOperatingLicenseNPF-16beamendedtomodifytheSt.appenixLucieUnit2TechnicalSpecificationstoimplement10CFR50,Appendix,pB.ThepurposeofthisamendmentistorevisetheTechnicalSpecificationstoallowTypeA,B,andCcontainmentleakageteststobeconductedatextendedintervalsdeterminedbyperformance-basedcriteria.FPLhasdeterminedthattheproposedlicenseamendmentdoesnotinvolveasignificanthazardsconsiderationpursuantto10CFR50.92.AdescriptionoftheamendmentrequestisprovidedinAttachment1.Thenosignificanthazardsdeterminationinsupport.oftheproposedTechnicalSpecificationchangesisprovidedinAttachment2.Attachment3providestheproposedrevisedTechnicalSpecificationspages.Inaccordancewith10CFR50.91(b)(1),acopyofthisproposedlicenseamendmentisbeingforwardedtotheStateDesigneefortheStateofFlorida.Theproposedlicenseamendmenthasbeenreviewedbyst.LuciePlantFacilityReviewGroupandtheFPLCompanyNuclearReviewBoard.FPLtsreviewandapprovaloftheproposedlicenseamendmenypgtbAril1997tosupportimplementationpriortothenextrefuelingoutage.e.AdditionallanYimplementationperiodofsixtydaysafterNRCapprovalisrequested.Shouldtherebeanyquestionsonthisrequest,pleasecontactus.Verytrulyyours,J,A.StallVicePresidentSt.LuciePlantJAS/RENAttachmentscc:S.D.Ebneter,RegionalAdministrator,RegionII,USNRCSeniorResidentInspector,USNRC,St.LuciePlantW.A.Passetti,FloridaDepartmentofHealthandRehabilitativeServicesV61i010285961028PPDRADGCK05000389U3JlUU1anFPLGroupcompany((qp~j+CQ3~~pg~gp/Qc.5/3ger/PE/st=8 L-9g-245ProposedLicenseAmendment"STATEOFFLORIDA))COUNTYOFST.LUCIE)SssJ.A.Stallbeingfirstdulysworn,deposesandsaysTThatheisVicePresident,St.LuciePlant,fortheNuclearDivisionofFloridaPower6LightCompany,theLicenseeherein;Thathehasexecutedtheforegoingdocument;thatthestatementsmadeinthisdocumentaretrueandcorrecttothebestofhisknowledge,informationandbelief,andthatheisauthorizedtoexecutethedocumentonbehalfofsaidLicensee.J.A.StallSTATEOFFLORIDACOUNTYOy5~SworntoandsubscribedbeforemethisLKdsyofQCXD4fW,19pipbyJ.A.Stall,whoispersonallyknowntome.SgnatureofNotaryPublc-StateofFloridaNameofNotaryPublic(Print,Type,orStamp)KARENWEST'.a=,h1YCOhSISSIONNCC3599$EXPIAESApril18,1998"4p'op%"EONOEOTHRUTROYFAANINSURANCE,INC.

St.LucieUnit2DocketNo.50-389L-96-244,Attachment1Page1of5ATTACHMENT1DescriptionandPurposeChangesareproposedtoreviseSt.LucieUnit2TechnicalSpecifications(TS)toimplement10CFR50,AppendixJ,OptionB,forcontainmentleaktestingrequirements.ThesechangesareconsistentwiththerecommendationsofNuclearRegulatoryCommission(NRC)RegulatoryGuide1.163Rev0,PerformanceBasedContainmentLeak-TestProgram,andNuclearEnergyInstitute(NEI)94-01,Rev0,IndustryGuidelineforImplementingPerformance-BasedOptionofZOCFRPart50,AppendixJ.Implementing10CFR50AppendixJOptionBwillallowFloridaPowerandLightCompany(FPL)toestablishtheintervalsforcontainmentleak-testingbasedontheperformancehistoryandrisksignificanceofthecomponents(containment,penetrations,andvalves).AllTypeA,B,andCtestingrequirementswillbeperformedatintervalsdeterminedbytheContainmentLeakageRateTestingProgramdescribedinthisproposedamendment.Thecriteriafor,thesenewtestingintervalswillbeevaluatedbasedonindividualperformancehistoryandthepermittedintervalsspecifiedinRegulatoryGuide1.163andNEI94-01.ChangesarealsoproposedtoremoveTables3.6-1,"ContainmentLeakagePaths",and3.6-2,"ContainmentIsolationValves"inaccordancewithGenericLetter91-08,"RemovalofComponentListsfromTechnicalSpecifications"andrelocatetheinformationtoplantprocedures.BackgroundContainmentleakagetestingiscurrentlyrequiredby10CFR50,AppendixJatpresetintervals.TestingisdividedintothreecategorieswithTypeAgBIandCclassifications,dependingonthetypeofcomponent.TypeAtestingmeasuresthereactorcontainment'overallintegratedleakagerate.TypeBtestinginvolvesthemeasuringofeachpressure-containingorleakage-limitingboundary,e.g.airlockdoorsandelectricalpenetrations.TypeCtestingmeasurestheleakagerateofcontainmentisolationvalves.

~~Ie~

~~St.LucieUnit2DocketNo.50-389L-96-244,Attachment1Page2of5Recentregulatoryinitiativeshavefocusedonaperformance-oriented,risk-basedapproachtoestablishingregulatorysafetystandards.Consistentwiththisapproach,therevisionof10CFR50,AppendixJ,toaddOptionB,implementsthisinitiativetoallowlicenseestoadoptaperformance-basedcontainmentleaktestingprogram.ThisprogramisbasedinpartonthefindingspresentedinNUREG1493,"Performance-BasedContainmentLeak-TestProgram,theguidanceofNEI94-01andRegulatoryGuide1.163.DiscussionandDescriptionofProposedChangesThe.followingchangesintheUnit2TechnicalSpecifications(TS),showninAttachment3,areproposed:1~ThedefinitionofcontainmentvesselintegritywillberevisedtodeletethereferencetoTable3.6-2.AstatementregardingadministrativelycontrolledvalveswillberelocatedfromTable3.6-2tothetextofTS1.7.withtherecommendationsofGenericLetter91-08.2~TS4.6.1.1.awillbemodifiedtoaccountfortheremovalofTable3.6-2ofTS3.6.3.TheexceptionforadministrativelycontrolledvalvescurrentlycontainedinTable3.6-2willberelocatedtoTS3.6.1.1.a.Therequirementsof4.6.1.1.cwillberelocatedtotheContainmentLeakageRateTestingProgramandTS4.6'.2.Thespecificrequirementsforcontainmentleak-testingwillbelocatedintheContainmentLeakageRateTestingProgramasreferencedbyTS4.6.1.2.RemovalofTable3.6-2isinaccordancewiththerecommendationsofGenericLetter91-08.3~ThespecificleakagerequirementsofTS3.6.1.2willberelocatedtotheContainmentLeakageRateTestingProgram.TheACTIONstatementwillberevisedsuchthattheoverallcontainmentleakageratesabovewhichactionmustbetakenreflectthecurrentoverallcontainmentleakageratelimitof1.0Landtoincludetheshutdownrequirementwhenthemeasuredoverallcontainmentleakageratelimitexceeds1.0L.ThesurveillancerequirementsforcontainmentleakagewillberelocatedtotheContainmentLeakageRateTestingProgram.Table3.6-1,"ContainmentLeakagePaths"willbedeleted.

St.LucieUnit2DocketNo.50-389L-96-244,Attachment1Page3of5surveillancerequirementsforcontainmentleakagewillberelocatedtotheContainmentLeakageRateTestingPrograminaccordancewith10CFR50AppendixJOptionB.Table.3.6-1willnolongerberequired,becauserevisedTS3/4.6.1.2willreferencetheContainmentLeakageRateTestingProgramforthisinformation.4~TherequirementsforTS3.6.1.3.b,TS4.6.1.3.a,andTS4.6.1.3.bwillbeincorporatedintothenewTS4.6.1.3.aandrelocatedtotheContainmentLeakageRateTestingProgram.ThespecificrequirementsforcontainmentleakagewillberelocatedtotheContainmentLeakageRateTestingPrograminaccordancewith10CFR50AppendixJOptionB.5~TS3/4.6.1.6willberevisedtoreferencetheContainmentLeakageRateTestingProgramastheguidancefor'ontainmentvisualinspectionsurveillanceintervalandrecordingrequirements.ThespecificrequirementsforvisualinspectionwillberelocatedtotheContainmentLeakageRateTestingProgram.6.ReferencetoTable3.6-2willbedeleted'andTable3.6-2willberemovedfromtheTS.tableisconsistentwiththerecommendationsofGenericLetter91-08.Thestroketestingrequirementsforthesevalvesarecontainedinplantprocedures.7~TS3/4.6.6.3willberevisedtoreferencetheContainmentLeakageRateTestingProgramastheguidanceforshieldbuildingvisualinspectionsurveillanceintervalandrecordingrequirements.inspectionwillberelocatedtotheContainmentLeakageRateTestingProgram.8.TheBasessectionforTS3/46.1.1isbeingrevisedtoincludeadiscussionon

~~St.LucieUnit2DocketNo.50-389L-96-244,Attachment1Page4of5administrativecontroloflockedorsealedclosedcontainmentisolationvalvesinaccordancewithrecommendationsinGenericLetter91-08.TheBasessectionsforTS3/4.6.1.2,TS3/4.6.1.6andTS3/4.6.6.2arebeingrevised.toreflect10CFR50AppendixJOptionB,RegulatoryGuide1.163,andtheContainmentLeakageRateTestingProgram.9.isadded:Thisprogramshallbeestablished,implemented,andmaintainedtoprovideguidanceandspecificrequirementsfortheperformance-basedcontainmentleakagetestinginaccordancewith10CFR50,AppendixJOptionBandRegulatoryGuide1.163.Note:The(h)denotesthat6.8.4.histhecurrentsequentiallocationforanewadministrativeprogram.Duetootherpendingsubmittals,thislocationcouldchangepriortoissuance.Currentexemptionsand/ordeviationsshallbenotedintheprogramcontents.Theoverallcontainmentleakageratecriteria,relocatedfromexistingTS3.6.1.2,is1.0Lforintegratedleakage.Leakageratesaretobelessthan8.75Lforintegratedleakage(TypeA)and0.60Lforcombine8TypesBandCleakage,and<0.27Lforsecondarycontainmentbypassleakagepathspriortoincreasingprimarycoolanttemperatureabove200'Fafterleakageratetestinginaccordancewiththisprogram.Airlocktestingacceptancecriteriaare:1)overallairlockleakagerateis<0.05Lwhentestedat>Pa)2)foreachdoorseal,leakagerat.eis<0.01Lwhenpressurizedto>Ppsig.ThestatementapplyingtoSpecification4.0.2notbeingapplicableisrelocatedfromexistingTS4.6.1.2.programpermittedby10CFR50,AppendixJ,OptionBandRegulatoryGuide1.163willbegovernedunderthesenewprogrammaticcontrols.ThefollowingexceptionordeviationwillbeusedintheimplementationofOptionB:1)TypeAtestsshallbeperformedinaccordancewithBechtelTopicalReportBN-TOP-1Revision1,datedNovember1,1972,ortheguidanceofANS56.8-1994,asrecommendedbyRegulatoryGuide1.163.BN-TOP-1wasusedastheinitialmethodofTypeAtesting,anditsuseispermittedby10CFR50,AppendixJ.Thespecificleakagerateacceptancecriteriawillbelocatedintheprogramdescriptionaswellastheimportantadministrativereferencesandrequirements.The St.LucieUnit2DocketNo.50-389L-96-244,Attachment1Page5of5surveillanceintervalrequirementsandperformance-basedcriteriawillresideintheplant-controlledadministrativeprocedureusedtoimplementandmaintaintheContainmentLeakageRateTestingProgram,inaccordancewithNEI94-01andRegulatoryGuide1.163.SummaryTheproposedrevisiontoSt.LucieUnit2TSbyadopting10CFR50,AppendixJ,OptionB,willallowFPLtouseasetof.performance-basedcriteriatodeterminetheleakageratetestingrequirementsforcomponentsthatcontributetocontainmentleakage..ThistypeofprogrammaticcontrolisendorsedandapprovedbytheHRCasstatedinRegulatoryGuide1.163.ThecriteriausedbythelicenseewillbeinaccordancewithNEZ94-01,asmodifiedbyapprovedexemptions.

St.LucieUnit2DocketNo.50-389L-96-081,Attachment2Page1of5ATTACHMENT2NOSIGNIFICANTHAZARDSCONSIDERATIONDETERMINATIONDescriptionofProposedLicenseAmendmentsTheproposedlicenseamendmentinvolveschangestothe'existingTechnicalSpecifications(TS)ofSt.LucieUnit2.Thesechangesareconsistent,withguidanceprovidedbyNuclearRegulatoryCommission(NRC)RegulatoryGuide1.163,"PerformanceBasedContainmentLeak-TestProgram,"andNuclearEnergyInstitute(NEI)94-01,Rev0,"IndustryGuidelineforImplementingPerformance-BasedOptionof10CFRPart50,AppendixJ."Thesechangesdonotaffectplantdesignorthemodesofplantoperation.Theproposedamendmentwillimplement10CFR50,AppendixJOptionB,whichdetailsaperformance-basedprogramforcontainmentleakagetesting.Thefollowingproposedchangesarerequested:1~ThedefinitionofcontainmentvesselintegritywillberevisedtodeletethereferencetoTable3.6-2.AstatementregardingadministrativelycontrolledvalveswillberelocatedfromTable3.6-2tothetextofTS1.7.2~TS4.6.1.1.awillbemodifiedtoaccountfortheremovalofTable3.6-2ofTS3.6.3.TheexceptionforadministrativelycontrolledvalvescurrentlycontainedinTable3.6-2willberelocatedtoTS3.6.1.1.a.Therequirementsof4.6.1.1.cwillberelocatedtotheContainmentLeakageRateTestingProgramandTS4.6.1.2.3.ThespecificleakagerequirementsofTS3.6.1.2willberelocatedtotheContainmentLeakageRateTestingProgram.TheACTIONstatementwillberevisedsuchthattheoverallcontainmentleakageratesabovewhichactionmustbetakenreflectthecurrentoverallcontainmentleakageratelimitof1.0Landtoincludetheshutdownrequirementwhenthemeasuredoverallcontainmentleakageratelimitexceeds1.0L.ThesurveillancerequirementsforcontainmentleakagewillberelocatedtotheContainmentLeakageRateTestingProgram.Table3.6-1,"ContainmentLeakagePaths"willbedeleted.TherequirementsforTS3.6.1.3.b,TS4.6.1.3.a,andTS4.6.1.3.bwillbe St.LucieUnit2DocketNo.50-389L-96-081,Attachment2Page2of5incorporatedintothenewTS4.6.1.3.aandrelocatedtotheContainmentLeakageRateTestingProgram.5~TS3/4.6.1.6willberevisedtoreferencetheContainmentLeakageRateTestingProgramastheguidanceforcontainmentvisualinspectionsurveillanceintervalandrecordingrequirements.6.ReferencetoTable3.6-2willbedeletedandTable3.6-2willberemovedfromtheTS.7~TS3/4.6.6.3willberevisedtoreferencetheContainmentLeakageRateTestingProgramastheguidanceforshieldbuildingvisualinspectionsurveillanceintervalandrecordingrequirements.8.TheBasessectionforTS3/46.1.1isbeingrevisedtoincludeadiscussiononadministrativecontroloflockedorsealedclosedcontainmentisolationvalvesinaccordancewithrecommendationsinGenericLetter91-08.ThebasessectionsforTS3/4.6.1.2,TS3/4.6.1.6andTS3/4.6.6.2arebeingrevisedtoreflect10CFR50AppendixJOptionB,RegulatoryGuide1.163,andtheContainmentLeakageRateTestingProgram.9.isadded:Thisprogramshallbeestablished,implemented,andmaintainedtoprovideguidanceandspecificrequirementsfortheperformance-basedcontainmentleakagetestinginaccordancewith10CFR50,AppendixJOptionBandRegulatoryGuide1.163.Note:The(h)denotesthat6.8.4.histhecurrentsequential'ocationforanewadministrativeprogram.Duetootherpendingsubmittals,thislocationcouldchangepriortoissuance.Currentexemptionsand/ordeviationsshallbenotedintheprogramcontents.Theoverallcontainmentleakageratecriteria,relocatedfromexistingTS3.6.1.2,is1.0Lforintegratedleakage.Leakageratesaretobelessthan5.75Lforintegratedleakage(TypeA)and0.60Lforcombine8TypeBandCleakage,and<0.27Lforsecondarycontainmentbypassleakagepathspriortoincreasingprimarycoolanttemperatureabove.200'Fafterleakageratetestinginaccordancewiththisprogram.Airlocktesting'cceptancecriteriaare:1)overallairlockleakagerateis<0.05L St.LucieUnit2DocketNo.50-389L-96-081,Attachment2Page3of5whentestedat>P;2)foreachdoorseal,leakagerateis<0.01Lwhenpressurizedto>Ppsig.ThestatementapplyingtoSpecification4.0.2notbeingapplicabl'eisrelocatedfromexistingTS4.6.1.2.IntroductionTheNuclearRegulatoryCommissionhasprovidedstandardsfordeterminingwhetherasignificanthazardsconsiderationexists(10CFR50.92(c)).Aproposedamendmenttoanoperatinglicensefora.facilityinvolvesnosignificanthazardsconsideration,ifoperationofthefacilityinaccordancewiththeproposed.amendmentwouldnot(1)involveasignificantincreaseinthe.probabilityorconsequencesofanaccidentpreviouslyevaluated;or(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated;or(3)involveasignificantreductioninamarginofsafety.Eachstandardisdiscussedbelowfortheproposedamendments.Discussion(1)Operationofthefacilityinaccordancewiththeproposedamendmentswouldnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.Theproposedamendmentsdonotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluatedduetothefollowingreasons:a)TheseproposedchangesareallconsistentwithNRCrequirementsandguidanceforimplementationof10CFR50,AppendixZOptionB,exceptfortheuseofBechtelTopicalReport.BN-TOP-1fortypeAtesting.BN-TOP-1hasbeenpreviouslyapprovedforuseinaccordancewith10CFR50Appendix'.b)BasedonindustryandNRCevaluationsperformedinsupportofdevelopingOptionB,thesechangespotentiallyresultinaminorincreaseintheconsequencesofanaccidentpreviouslyevaluatedduetotheincreasedtestingintervals.However,theproposedchangesdonotresultinanincreaseinthecoredamagefrequencysincethecontainmentsystemisusedformitigationpurposesonly.

St..LucieUnit2DocketNo.50-389L-96-081,Attachment2Page4of5c)Thesechangesareexpectedtoresultinincreasedattentiononcomponentswithpoorleakagetesthistoryaspartofthe'performance-basednatureofOptionB,suchthatthemarginallyincreasedconsequencesfromtheexpandedtestingintervalsmaybefurtherreducedornegated.Therefore,thesechangesdonotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.Operationofthefacilityinaccordancewiththeproposedamendmentswouldnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.Theuseofthemodifiedspecificationscannotcreatethepossibilityofanewordifferentkindofaccidentfromanypreviouslyevaluatedsincetheproposedamendmentswillnotchangethephysicalplantorthemodesofplantoperationdefinedinthefacilityoperatinglicense.Nonewfailuremodeisintroducedduetotheimplementationofaperformance-basedprogramforcontainmentleakageratetesting,sincetheproposedchangesdonotinvolvetheadditionormodificationofequipment,nordotheyalterthedesignoroperationofaffectedplantsystems,structures,orcomponents.Operationofthefacilityinaccordancewiththeproposedamendmentswouldnotinvolveasignificantreductioninamarginofsafety.Theoperatinglimitsandfunctionalcapabilitiesoftheaffectedsystems,structures,andcomponentsarebasicallyunchangedbytheproposedamendments.Theincreaseinintervalsbetweenleak-testsurveillanceswillnotsignificantlyreducethemarginofsafetyasshownbyfindingsinNUREG1493,"Performance-BasedContainmentLeak-TestProgram",whichwasbasedonimplementationoftheperformance-basedtestingofOptionB.Thereforethesechangesdonotinvolveasignificantreductioninthemarginofsafety.

St.,LucieUnit2DocketNo.50-389L-96-081,Attachment2Page5of5SummaryBasedontheabove,FPLhasdeterminedthattheproposedamendmentrequestdoesnot(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated,(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated,(3)involveasignificantreductioninamarginofsafety;andthereforetheproposedchangesdonotinvolveasignificanthazardsconsiderationasdefinedin10CFR50.92.