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{{#Wiki_filter:}} | {{#Wiki_filter:CATEGORY1REGULATOINFORMATIONDISTRIBUTIONSTEM(RIDS)ACCESSIONNBR:9806100093DOC.DATE:98/06/03NOTARIZED:YESFACIL:50-335St.LuciePlant,Unit1,FloridaPower&LightCo.P55-339St.LuciePlant,Unit2,FloridaPower&.LightCo.AUTH.NAMEAUTHORAFFILIATIONSTALL,J.A.FloridaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)DOCKETI0500033505000389 | ||
==SUBJECT:== | |||
ApplicationforamendstolicensesDPR-67&NPF-16toincorporateattachedTSrevs.Proposedamendareadministrativeinnature&willmodifyexplosivegasmixturesurveillancerequirement4.11.2.5.1.D1STR1'BUT1ONCODE:AOOIDCOPIESRECEIVED:LTRjENCLiSIZE:jg,kTITLE:ORSubmittal:GeneralDistributionNOTES:ATERECIPIENTIDCODE/NAMEPD2-3LAGLEAVES,WINTERNAL:ACRSNRR/DE/ECGB/ANRR/DRCH/HICBNRR/DSSA/SRZBOGC/HDS3EXTERNAL:NOACCOPIESLTTRENCL1111111111111011RECIPIENTIDCODE/NAMEPD2-3PDILECENT+1RDEEMCBNRR/DSSA/SPLBNUDOCS-ABSTRACTNRCPDRCOPIESLTTRENCL111111111111DUNNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE.TOHAVEYOURNAMEORORGANIZATIONREMOVEDFROMDISTRIBUTIONLISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION,CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION415-2083TOTALNUMBEROFCOPIESREQUIRED:LTTR14ENCL13 FloridaPower5LightCompany,6351S.OceanDrive,JensenBeach,FL34957June3,1998L-98-12510CFR50.90U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555RE:St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsPursuantto10CFR50.90,FloridaPower8LightCompany(FPL)requeststoamendFacilityOperatingLicenseDPR7forSt.LucieUnit1andNPF-16forSt.LucieUnit2byincorporatingtheattachedTechnicalSpecifications(TS)revisions.TheproposedamendmentsareadministrativeinnatureandwillmodifyExplosiveGasMixtureSurveillanceRequirement4.11.2.5.1toprovidefortheuseofthelaboratorygaspartitionertoperiodicallyanalyzetheconcentrationofoxygenintheonservicewastegasdecaytankintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.UseofthelabgaspartitionertoanalyzeperiodicsamplesisapreviouslyapprovedconditionalexceptiontothecontinuousmonitoringrequirementofSpecification4.11.2.5.1whichwasinadvertentlyremovedbysubsequentlicenseamendments.Itisrequestedthattheproposedamendments,ifapproved,beissuedasexpeditiouslyaspracticabletoensurethatcompliancewiththeexplicittermsoftherequirementforcontinuousmonitoring,ascurrentlystated,wouldnotresultinunnecessarilybypassinganonservicewastegasdecaytank.Attachment1isanevaluationoftheproposedchanges.Attachment2isthe"DeterminationofNoSignificantHazardsConsideration."Attachment3containscopiesoftheaffectedtechnicalspeciTicationspagesmarkeduptoshowtheproposedchanges.TheproposedamendmentshavebeenreviewedbytheSt.LucieFacilityReviewGroupandtheFPLCompanyNuclearReviewBoard.Inaccordancewith10CFR50.91(b)(1),copiesoftheproposedamendmentsarebeingforwardedtotheStateDesigneefortheStateofFlorida.Pleasecontactusifthereareanyquestionsaboutthissubmittal.Verytrulyyours,J.A.StallVicePresidentSt.LuciePlant9806%00093F80M3PDRADOCK05000335!PPDRanFPLGroupcompany | |||
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St.LucieUnit1andUnit2Pocket,Nos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Page2JAS/RLDAttachmentscc:RegionalAdministrator,RegionII,USNRCSeniorResidentInspector,USNRC,St.LuciePlantMr.W.A.Passetti,FloridaDepartmentofHealthandRehabilitativeServices St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Page3STATEOFFLORIDA))ss.COUNTYOFST.LUCIE)J.A.Stallbeingfirstdulysworn,deposesandsays:ThatheisVicePresident,St.LuciePlant,fortheNuclearDivisionofFloridaPower8LightCompany,theLicenseeherein;Thathehasexecutedtheforegoingdocument;thatthestatementsmadeinthisdocumentaretrueandcorrecttothebestofhisknowledge,informationandbelief,andthatheisauthorizedtoexecutethedocumentonbehalfofsaidLicensee.J.A.StallSTATEOFFLORIDACOUNTYOFSworntoandsubscribedbeforemethis3dayofbyJ.A.Stall,whoispersonallyknowntome..SignatureofNot"Public-ggli,yfggrida?~::P.MYCMNSSIONfCC646163EXP1RESMay12,2001BONOEDllSUTROYFANSSURANCE,BC.NameofNotaryPublic(Print,Type,orStamp) 0Lf*$~" | |||
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsATTACHMENT1toFPLletterL-98-125EVALUATIONOFPROPOSEDTSCHANGES St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page1of5EVALUATIONOFPROPOSEDTSCHANGES1.0IntroductionTheproposedamendmentstoFacilityOperatingLicensesDPR-67forSt.LucieUnit1(PSL1)andNPF-16forSt.LucieUnit2(PSL2)willmodifytheexplosivegasmixturecontinuousmonitoringrequirementspecifiedforthewastegasdecaytanksinSurveillanceRequirement4.11.2.5.1toidentifyaconditionalexceptiontothisrequirementwhichhadbeenpreviouslyapprovedandinadvertentlyremovedbysubsequentlicenseamendments.Theproposedchangewillallowlimitedoperationofthewastegasdecaytanksusingthelaboratorygaspartitionertoperiodicallyanalyzetheoxygenconcentrationofwastegasesintheeventthatcontinuousmonitoringcapabilitybecomesinoperable,andwillensurethatcompliancewiththeliteralmeaningof"continuouslymonitoringthewastegases,"ascurrentlystatedinthesurveillance,wouldnotresultinunnecessarilybypassinganonservicedecaytank.ltisconcludedinAttachment2thattheproposedTSchangesdonotinvolveasignificanthazardsconsideration.2.D~BkdSt.LucieTechnicalSpecification(TS)3/4.11.2.5,ExplosiveGasMixfure,provideslimitsandmonitoringrequirementsforcombinationsofoxygenandhydrogeninthewastegasdecaytanksforeachPSLunit.ThepurposeofSpecification3/4.11.2.5andassociatedinstrumentationoperabilityrequirements(formerlyTS3/4.3.3.10)istoprovideassurancethatunacceptablemixturesofoxygenandhydrogenwillbedetectedandmitigatedduringoperationsusingthewastegasholdupsystemateachunit.Thewastegasholdupsystemincludesthreetanksforthepurposeofreducingthetotalradioactivitybyallowingradioactivedecaypriortoreleasetotheenvironment.Oneofthethreedecaytanksisnormallyalignedtoreceivewastegasfromtheprocessingsystemandservesasthe"onservice"wastegasdecaytank.Dualgasanalyzersareinstalledinthewastegassystemtomonitortheoxygenconcentrationofthetypicallyhydrogenrichgases,andtherebyensurethatunacceptablemixturesofoxygenandhydrogencanbedetected.SurveillanceRequirement4.11.2.5.1currentlyrequiresthattheconcentrationofoxygenshallbedeterminedtobewithinthelimitsofSpecification3.11.2.5by"continuously St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1page2of5monitoring"thewastegasesintheonservicewastegasdecaytank.Theoxygenmonitoroperabilityrequirements,however,arecontainedintheUpdatedFinalSafetyAnalysisReport(UFSAR)foreachSt.LucieUnitandprovideaconditionalexceptiontothe"continuouslymonitoring"criterionwhich,intheeventthatbothoftheinstalledoxygenmonitorsbecomeinoperable,allowsoperationofthewastegasholdupsystemforupto30daysprovidedthatsamplesofoxygenareanalyzedusingthelabgaspartitioneratleastonceper24hours(Ref:PSL1UFSARSection13.8.1.4;PSL2UFSARSection13.7.1.4).TheexplosivegasmonitoringinstrumentationrequirementswereformerlyinthefacilitytechnicalspecificationsasTS3/4.3.3.10andwererelocatedtotheUFSAR,withoutanychangestotheapprovedrequirements,consistentwithGenericLetter(GL)95-10(Ref:LicenseAmendmentNos.147and86,PSL1andPSL2respectively:8/20/96).TS3/4.11.2.5wasnotaddressedbytherelocationprocess,andSurveillanceRequirement4.11.2.5.1specifiedthatthewastegasesintheonservicewastegasdecaytankshallbecontinuouslymonitored"withtheoxygenmonitorrequiredOPERABLEbyTable3.3-13ofSpecification3.3.3.10."AspartofanadministrativeupdatetotheSt.LucieTS,thereferenceto"withtheoxygenmonitorrequiredOPERABLEbyTable3.3-13ofSpecification3.3.3.10"wasremovedfromSurveillanceRequirement4.11.2.5.1sincetheinstrumentationTSnolongerexisted(Ref:LicenseAmendmentNos.152and89,PSL1andPSL2respectively:9/22/97).However,aconditionalmodifierforthe"continuouslymonitoring"criterionwasnotincludedwiththeadministrativeupdatetoreflecttheactionthathadbeenapprovedforimplementationwhenbothinstalledoxygenmonitorsbecomeinoperableandwhichhadbeenrelocatedtotheUFSAR.OnNovember21,1997,NRCInformationNotice(IN)97-80,LicenseeTechnicalSpecifications/nterprefations,wasissuedtoalertlicenseestoproblemsidentifiedwithlicenseeTSinterpretations.IN97-80states,inpart,"LicenseeTSinterpretationscanenhancethesafeoperationoftheplantbyhelpingtheplantstaffunderstandandcorrectlyimplementTSrequirements.However,licenseesmustexercisecautiontoensurethatTSinterpretationsdonotchangethewording,themeaning,ortheintentofTSrequirements."Similarly,NRCInspectionManualPart9900,TechGuidance,LicenseeTS/nterprefations(2/3/97)concludes,inpart,"Asstatedearlier,themostimportantfactoristhattheTSinterpretationdoesnotconflictwithTSwordingorintent."..."RelianceonaTSinterpretationwhenanerrorisdiscoveredintheTSisnotacceptable.TheNRCexpects St.LucleUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page3of5licenseestocomplywiththeexplicittermsofTSorapplyforalicenseamendment,pursuantto10CFR50.90,tochangetheTStermsratherthanrelyingonaTSinterpretationorengineeringanalysestojustifyatemporarydeparturefromTSrequirements.IntheeventthatanerrorinTSisdiscovered,thelicenseeshouldrestrictplantoperations,asappropriate,untilanamendmentcanbeprocessedorotheracceptableactionsaretaken."CompliancewiththeexplicittermsofSurveillanceRequirement4.11.2.5.1,aspresentlystated,cannotbeachievedunlessatleastoneoxygenmonitoriscontinuouslymonitoringthewastegases,orunlessthewastegassystemisalignedtobypassthewastegasdecaytanks.3.0ProosedChanes:DescritionandBases/JustificationAttachment3containscopiesoftheaffectedTSpagesmarked-uptoshowtheproposedchanges.3.1DescritionofChanestoTS4.11.2.5.1(a)Addanasterisktotheword"continuously,"suchthattheSpecificationreads,Theconcentrationofoxygeninthewastegasdecaytankshallbedeterminedtobewithintheabovelimitsbycontinuously*monitoringthewastegasesintheonservicewastegasdecaytank.(b)Addthefollowingfootnote,*Whencontinuousmonitoringcapabilityisinoperable,wastegasesshallbemonitoredinaccordancewiththeactionsspecifiedfortheWasteGasDecayTanksExplosiveGasMonitoringSysteminChapter13oftheUpdatedFinalSafetyAnalysisReport. | |||
St.LucieUnit1andUnit2DocketNos.50-335and50-389Propos'edLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page4of53.2Basis/JustificationforProosedChanesCompliancewiththeexplicitterms,"continuouslymonitoringthewastegases,"ofSurveillanceRequirement4.11.2.5.1,aspresentlystated,cannotbeachievedwhentheoxygenmonitorsinstalledtoanalyzethegasesinthewastegasholdupsystembecomeinoperable.However,operationofthewastegasholdupsystemcancontinueifthesystemisalignedtobypassthewastegasdecaytankswhichwouldthenmakethesurveillancenotapplicable.Thisconstraintinadvertentlyevolvedfrompreviouslicenseamendmentsissuedduring1996and1997(Nos.152and147forPSL1;Nos.89and86forPSL2)whichrelocatedtheexplosivegasmonitoringinstrumentationoperabilityrequirements(formerlyTS3/4.3.3.10)toChapter13oftheUFSARforeachSt.Lucieunit,andthendeletedthereferencetotheseoperabilityrequirementsfromSurveillanceRequirement4.11.2.5.1aspartofanadministrativeupdate'totechnicalspecifications.TheUFSARoperabilityrequirementsfortheWasteGasDecayTanksExplosiveGasMonitoringSystemcontainan"ACTION1"whichappliesintheeventatleastoneoxygenmonitorisnotOPERABLEduringwastegasholdupsystemoperation.ACTION1providesforoperationofthewastegasholdupsystem"tocontinueforupto30daysprovidedsamplesofoxygenareanalyzedbythelabgaspartitioneratleastonceper24hours."TherewerenochangestotheoperabilityrequirementsorthesubjectACTIONstatementfortheexplosivegasmonitoringinstrumentationduringtherelocationprocess,andtherequirementsintheUFSARarethesameasprovidedinformerTS3/4.3.3.10.TheproposedrevisiontoSurveillanceRequirement4.11.2.5.1isadministrativeinnature,andwillmaketheliteralmeaningofthisspecificationconsistentwiththeintended,andpreviouslyapproved,conditionalexceptiontothecontinuousmonitoringrequirementintheeventthatbothinstalledgasanalyzersbecomeinoperable.Ifthecontinuousmonitoringcapabilitybecomesinoperable,compliancewiththeexplicittermsofthesurveillancerequirementwillbepossiblewithoutunnecessarilybypassingthewastegasdecaytanks.Operationofthewastegassystemusinganonservicedecaytankisthepreferredalignmentofthewastegassystemtoallowstorageandadditionalradioactivedecaypriortoreleaseofwastegasestotheenvironment,andisconsistentwithALARAobjectives. | |||
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page5of54.0EnvironmentalConsiderationTheproposedlicenseamendmentchangesrequirementswithrespecttoinstallationoruseofafacilitycomponentlocatedwithintherestrictedareaasdefinedin10CFRPart20andchangesthesurveillancerequirements.Theproposedamendmentinvolvesnosignificantincreaseintheamountsandnosignificantchangeinthetypesofanyeffluentsthatmaybereleasedoffsite,andnosignificantincreaseinindividualorcumulativeoccupationalradiationexposure.FPLhasconcludedthattheproposedamendmentinvolvesnosignificanthazardsconsiderationandmeetsthecriteriaforcategoricalexclusionsetforthin10CFR51.22(c)(9)andthat,pursuantto10CFR51.22(b),anenvironmentalimpactstatementorenvironmentalassessmentneednotbepreparedinconnectionwithissuanceoftheamendment.5.0ConclusionAninconsistencybetweenExplosiveGasMixfureTS3/4.11.2.5andtherequirementsfortheWasteGasDecayTanksExplosiveGasMonitoringSysfemcontainedintheUFSARwasinadvertentlycreatedbypreviouslicenseamendments.CompliancewiththeexplicittermsofSurveillanceRequirement4.11.2.5.1,aspresentlystated,preventsimplementationofapreviouslyapprovedactionforacasewherecontinuousmonitoringcapabilityforoxygenconcentrationinwastegasesbecomesinoperable,andwouldresultinunnecessarilybypassingtheWasteGasDecayTanks.Theproposedamendmentsareadministrativeinnature,andareconsistentwithregulatoryguidanceinvolvingTSinterpretations. | |||
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsATTACHMENT2toFPLLetterL-98-125DETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATION St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-126Attachment2Page1of2DETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATIONDescriptionofamendmeatrequest:TheproposedamendmentswillmodifyExplosiveGasMixtureSurveillanceRequirement4.11.2.5.1toprovideforusingthelaboratorygaspartitionertoperiodicallyanalyzetheoxygenconcentrationofwastegasesintheonservicewastegasdecaytankintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.TheproposedchangesareadministrativeinnatureandwillrectifyaninconsistencybetweenSpecification4.11.2.5.1andtheUpdatedFinalSafetyAnalysisReport(UFSAR)thatwasinadvertentlycreatedbypreviouslicenseamendments.Pursuantto10CFR50.92,adeterminationmaybemadethataproposedlicenseamendmentinvolvesnosignificanthazardsconsiderationifoperationofthefacilityinaccordancewiththeproposedamendmentwouldnot:(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated;or(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated;or(3)involveasignificantreductioninamarginofsafety.Eachstandardisdiscussedasfollows:(1)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.TheproposedlicenseamendmentsareadministrativeinnatureandwillrectifyaninconsistencybetweenSurveillanceRequirement4.11.2.5.1andtheUFSARthatwasinadvertentlycreatedbypreviouslicenseamendments.TherevisionswillreinstateapreviouslyapprovedconditionalexceptiontotheexplicittermsofthepresentlystatedTSrequirementtocontinuouslymonitorthewastegasesintheonserviceWasteGasDecayTank,andallowlimitedsystemoperationusingthelaboratorygaspartitionertoperiodicallyanalyzegassamplesintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.Limitsforpotentiallyexplosivemixturesofwastegaseshavenotbeenaltered,andexplosivegasmonitoringinstrumentationdoesnotpreventormitigatedesignbasisaccidentsortransientswhichassumeafailureoforachallengetoafissionproductbarrier.Theproposedrevisionsdonotinvolveanychangetotheplantaccidentanalysesassumptions,anddonotinvolveaccidentinitiators.Therefore,operationofeitherfacilityinaccordancewithitsproposedamendmentwouldnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated. | |||
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment2Page2of2(2)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.TheproposedlicenseamendmentsareadministrativeinnatureandrectifyaninconsistencybetweenTechnicalSpecification4.11.2.5.1andtheUFSARthatwasinadvertentlycreatedbypreviouslicenseamendments.Therevisionswillnotchangethephysicalplantor,themodesofplantoperationdefinedintheFacilityLicenses.Thechangesdonotinvolvetheadditionormodificationofequipmentnordotheyalterthedesignofplantsystems.Therefore,operationofeitherfacilityinaccordancewithitsproposedamendmentwouldnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.(3)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantreductioninamarginofsafety.TheproposedlicenseamendmentsareadministrativeinnatureandrectifyaninconsistencybetweenSurveillanceRequirement4.11.2.5.1andtheUFSARthatwasinadvertentlycreatedbypreviouslicenseamendments.TherevisionswillreinstateapreviouslyapprovedconditionalexceptiontotheexplicittermsofthepresentlystatedTSrequirementtocontinuouslymonitorthewastegasesintheonserviceWasteGasDecayTank,andallowlimitedsystemoperationusingthelaboratorygaspartitionertoperiodicallyanalyzegassamplesintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.Limitsforpotentiallyexplosivemixturesofwastegaseshavenotbeenaltered,andexplosivegasmonitoringinstrumentationdoesnotpreventormitigatedesignbasisaccidentsortransientswhichassumeafailureoforachallengetoafissionproductbarrier.Theproposedchangesdonotalterthebasisforanytechnicalspecificationthatisrelatedtotheestablishmentof,orthemaintenanceof,anuclearsafetymargin.Therefore,operationofeitherfacilityinaccordancewithitsproposedamendmentwouldnotinvolveasignificantreductioninamarginofsafety.BasedontheabovediscussionandthesupportingEvaluationofTechnicalSpecificationchanges,FPLhasdeterminedthattheproposedlicenseamendmentsinvolvenosignificanthazardsconsideration. | |||
}} | |||
Revision as of 03:17, 26 April 2018
| ML17229A758 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 06/03/1998 |
| From: | STALL J A FLORIDA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML17229A759 | List: |
| References | |
| L-98-125, NUDOCS 9806100093 | |
| Download: ML17229A758 (17) | |
Text
CATEGORY1REGULATOINFORMATIONDISTRIBUTIONSTEM(RIDS)ACCESSIONNBR:9806100093DOC.DATE:98/06/03NOTARIZED:YESFACIL:50-335St.LuciePlant,Unit1,FloridaPower&LightCo.P55-339St.LuciePlant,Unit2,FloridaPower&.LightCo.AUTH.NAMEAUTHORAFFILIATIONSTALL,J.A.FloridaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)DOCKETI0500033505000389
SUBJECT:
ApplicationforamendstolicensesDPR-67&NPF-16toincorporateattachedTSrevs.Proposedamendareadministrativeinnature&willmodifyexplosivegasmixturesurveillancerequirement4.11.2.5.1.D1STR1'BUT1ONCODE:AOOIDCOPIESRECEIVED:LTRjENCLiSIZE:jg,kTITLE:ORSubmittal:GeneralDistributionNOTES:ATERECIPIENTIDCODE/NAMEPD2-3LAGLEAVES,WINTERNAL:ACRSNRR/DE/ECGB/ANRR/DRCH/HICBNRR/DSSA/SRZBOGC/HDS3EXTERNAL:NOACCOPIESLTTRENCL1111111111111011RECIPIENTIDCODE/NAMEPD2-3PDILECENT+1RDEEMCBNRR/DSSA/SPLBNUDOCS-ABSTRACTNRCPDRCOPIESLTTRENCL111111111111DUNNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE.TOHAVEYOURNAMEORORGANIZATIONREMOVEDFROMDISTRIBUTIONLISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION,CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION415-2083TOTALNUMBEROFCOPIESREQUIRED:LTTR14ENCL13 FloridaPower5LightCompany,6351S.OceanDrive,JensenBeach,FL34957June3,1998L-98-12510CFR50.90U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555RE:St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsPursuantto10CFR50.90,FloridaPower8LightCompany(FPL)requeststoamendFacilityOperatingLicenseDPR7forSt.LucieUnit1andNPF-16forSt.LucieUnit2byincorporatingtheattachedTechnicalSpecifications(TS)revisions.TheproposedamendmentsareadministrativeinnatureandwillmodifyExplosiveGasMixtureSurveillanceRequirement4.11.2.5.1toprovidefortheuseofthelaboratorygaspartitionertoperiodicallyanalyzetheconcentrationofoxygenintheonservicewastegasdecaytankintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.UseofthelabgaspartitionertoanalyzeperiodicsamplesisapreviouslyapprovedconditionalexceptiontothecontinuousmonitoringrequirementofSpecification4.11.2.5.1whichwasinadvertentlyremovedbysubsequentlicenseamendments.Itisrequestedthattheproposedamendments,ifapproved,beissuedasexpeditiouslyaspracticabletoensurethatcompliancewiththeexplicittermsoftherequirementforcontinuousmonitoring,ascurrentlystated,wouldnotresultinunnecessarilybypassinganonservicewastegasdecaytank.Attachment1isanevaluationoftheproposedchanges.Attachment2isthe"DeterminationofNoSignificantHazardsConsideration."Attachment3containscopiesoftheaffectedtechnicalspeciTicationspagesmarkeduptoshowtheproposedchanges.TheproposedamendmentshavebeenreviewedbytheSt.LucieFacilityReviewGroupandtheFPLCompanyNuclearReviewBoard.Inaccordancewith10CFR50.91(b)(1),copiesoftheproposedamendmentsarebeingforwardedtotheStateDesigneefortheStateofFlorida.Pleasecontactusifthereareanyquestionsaboutthissubmittal.Verytrulyyours,J.A.StallVicePresidentSt.LuciePlant9806%00093F80M3PDRADOCK05000335!PPDRanFPLGroupcompany
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St.LucieUnit1andUnit2Pocket,Nos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Page2JAS/RLDAttachmentscc:RegionalAdministrator,RegionII,USNRCSeniorResidentInspector,USNRC,St.LuciePlantMr.W.A.Passetti,FloridaDepartmentofHealthandRehabilitativeServices St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Page3STATEOFFLORIDA))ss.COUNTYOFST.LUCIE)J.A.Stallbeingfirstdulysworn,deposesandsays:ThatheisVicePresident,St.LuciePlant,fortheNuclearDivisionofFloridaPower8LightCompany,theLicenseeherein;Thathehasexecutedtheforegoingdocument;thatthestatementsmadeinthisdocumentaretrueandcorrecttothebestofhisknowledge,informationandbelief,andthatheisauthorizedtoexecutethedocumentonbehalfofsaidLicensee.J.A.StallSTATEOFFLORIDACOUNTYOFSworntoandsubscribedbeforemethis3dayofbyJ.A.Stall,whoispersonallyknowntome..SignatureofNot"Public-ggli,yfggrida?~::P.MYCMNSSIONfCC646163EXP1RESMay12,2001BONOEDllSUTROYFANSSURANCE,BC.NameofNotaryPublic(Print,Type,orStamp) 0Lf*$~"
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsATTACHMENT1toFPLletterL-98-125EVALUATIONOFPROPOSEDTSCHANGES St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page1of5EVALUATIONOFPROPOSEDTSCHANGES1.0IntroductionTheproposedamendmentstoFacilityOperatingLicensesDPR-67forSt.LucieUnit1(PSL1)andNPF-16forSt.LucieUnit2(PSL2)willmodifytheexplosivegasmixturecontinuousmonitoringrequirementspecifiedforthewastegasdecaytanksinSurveillanceRequirement4.11.2.5.1toidentifyaconditionalexceptiontothisrequirementwhichhadbeenpreviouslyapprovedandinadvertentlyremovedbysubsequentlicenseamendments.Theproposedchangewillallowlimitedoperationofthewastegasdecaytanksusingthelaboratorygaspartitionertoperiodicallyanalyzetheoxygenconcentrationofwastegasesintheeventthatcontinuousmonitoringcapabilitybecomesinoperable,andwillensurethatcompliancewiththeliteralmeaningof"continuouslymonitoringthewastegases,"ascurrentlystatedinthesurveillance,wouldnotresultinunnecessarilybypassinganonservicedecaytank.ltisconcludedinAttachment2thattheproposedTSchangesdonotinvolveasignificanthazardsconsideration.2.D~BkdSt.LucieTechnicalSpecification(TS)3/4.11.2.5,ExplosiveGasMixfure,provideslimitsandmonitoringrequirementsforcombinationsofoxygenandhydrogeninthewastegasdecaytanksforeachPSLunit.ThepurposeofSpecification3/4.11.2.5andassociatedinstrumentationoperabilityrequirements(formerlyTS3/4.3.3.10)istoprovideassurancethatunacceptablemixturesofoxygenandhydrogenwillbedetectedandmitigatedduringoperationsusingthewastegasholdupsystemateachunit.Thewastegasholdupsystemincludesthreetanksforthepurposeofreducingthetotalradioactivitybyallowingradioactivedecaypriortoreleasetotheenvironment.Oneofthethreedecaytanksisnormallyalignedtoreceivewastegasfromtheprocessingsystemandservesasthe"onservice"wastegasdecaytank.Dualgasanalyzersareinstalledinthewastegassystemtomonitortheoxygenconcentrationofthetypicallyhydrogenrichgases,andtherebyensurethatunacceptablemixturesofoxygenandhydrogencanbedetected.SurveillanceRequirement4.11.2.5.1currentlyrequiresthattheconcentrationofoxygenshallbedeterminedtobewithinthelimitsofSpecification3.11.2.5by"continuously St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1page2of5monitoring"thewastegasesintheonservicewastegasdecaytank.Theoxygenmonitoroperabilityrequirements,however,arecontainedintheUpdatedFinalSafetyAnalysisReport(UFSAR)foreachSt.LucieUnitandprovideaconditionalexceptiontothe"continuouslymonitoring"criterionwhich,intheeventthatbothoftheinstalledoxygenmonitorsbecomeinoperable,allowsoperationofthewastegasholdupsystemforupto30daysprovidedthatsamplesofoxygenareanalyzedusingthelabgaspartitioneratleastonceper24hours(Ref:PSL1UFSARSection13.8.1.4;PSL2UFSARSection13.7.1.4).TheexplosivegasmonitoringinstrumentationrequirementswereformerlyinthefacilitytechnicalspecificationsasTS3/4.3.3.10andwererelocatedtotheUFSAR,withoutanychangestotheapprovedrequirements,consistentwithGenericLetter(GL)95-10(Ref:LicenseAmendmentNos.147and86,PSL1andPSL2respectively:8/20/96).TS3/4.11.2.5wasnotaddressedbytherelocationprocess,andSurveillanceRequirement4.11.2.5.1specifiedthatthewastegasesintheonservicewastegasdecaytankshallbecontinuouslymonitored"withtheoxygenmonitorrequiredOPERABLEbyTable3.3-13ofSpecification3.3.3.10."AspartofanadministrativeupdatetotheSt.LucieTS,thereferenceto"withtheoxygenmonitorrequiredOPERABLEbyTable3.3-13ofSpecification3.3.3.10"wasremovedfromSurveillanceRequirement4.11.2.5.1sincetheinstrumentationTSnolongerexisted(Ref:LicenseAmendmentNos.152and89,PSL1andPSL2respectively:9/22/97).However,aconditionalmodifierforthe"continuouslymonitoring"criterionwasnotincludedwiththeadministrativeupdatetoreflecttheactionthathadbeenapprovedforimplementationwhenbothinstalledoxygenmonitorsbecomeinoperableandwhichhadbeenrelocatedtotheUFSAR.OnNovember21,1997,NRCInformationNotice(IN)97-80,LicenseeTechnicalSpecifications/nterprefations,wasissuedtoalertlicenseestoproblemsidentifiedwithlicenseeTSinterpretations.IN97-80states,inpart,"LicenseeTSinterpretationscanenhancethesafeoperationoftheplantbyhelpingtheplantstaffunderstandandcorrectlyimplementTSrequirements.However,licenseesmustexercisecautiontoensurethatTSinterpretationsdonotchangethewording,themeaning,ortheintentofTSrequirements."Similarly,NRCInspectionManualPart9900,TechGuidance,LicenseeTS/nterprefations(2/3/97)concludes,inpart,"Asstatedearlier,themostimportantfactoristhattheTSinterpretationdoesnotconflictwithTSwordingorintent."..."RelianceonaTSinterpretationwhenanerrorisdiscoveredintheTSisnotacceptable.TheNRCexpects St.LucleUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page3of5licenseestocomplywiththeexplicittermsofTSorapplyforalicenseamendment,pursuantto10CFR50.90,tochangetheTStermsratherthanrelyingonaTSinterpretationorengineeringanalysestojustifyatemporarydeparturefromTSrequirements.IntheeventthatanerrorinTSisdiscovered,thelicenseeshouldrestrictplantoperations,asappropriate,untilanamendmentcanbeprocessedorotheracceptableactionsaretaken."CompliancewiththeexplicittermsofSurveillanceRequirement4.11.2.5.1,aspresentlystated,cannotbeachievedunlessatleastoneoxygenmonitoriscontinuouslymonitoringthewastegases,orunlessthewastegassystemisalignedtobypassthewastegasdecaytanks.3.0ProosedChanes:DescritionandBases/JustificationAttachment3containscopiesoftheaffectedTSpagesmarked-uptoshowtheproposedchanges.3.1DescritionofChanestoTS4.11.2.5.1(a)Addanasterisktotheword"continuously,"suchthattheSpecificationreads,Theconcentrationofoxygeninthewastegasdecaytankshallbedeterminedtobewithintheabovelimitsbycontinuously*monitoringthewastegasesintheonservicewastegasdecaytank.(b)Addthefollowingfootnote,*Whencontinuousmonitoringcapabilityisinoperable,wastegasesshallbemonitoredinaccordancewiththeactionsspecifiedfortheWasteGasDecayTanksExplosiveGasMonitoringSysteminChapter13oftheUpdatedFinalSafetyAnalysisReport.
St.LucieUnit1andUnit2DocketNos.50-335and50-389Propos'edLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page4of53.2Basis/JustificationforProosedChanesCompliancewiththeexplicitterms,"continuouslymonitoringthewastegases,"ofSurveillanceRequirement4.11.2.5.1,aspresentlystated,cannotbeachievedwhentheoxygenmonitorsinstalledtoanalyzethegasesinthewastegasholdupsystembecomeinoperable.However,operationofthewastegasholdupsystemcancontinueifthesystemisalignedtobypassthewastegasdecaytankswhichwouldthenmakethesurveillancenotapplicable.Thisconstraintinadvertentlyevolvedfrompreviouslicenseamendmentsissuedduring1996and1997(Nos.152and147forPSL1;Nos.89and86forPSL2)whichrelocatedtheexplosivegasmonitoringinstrumentationoperabilityrequirements(formerlyTS3/4.3.3.10)toChapter13oftheUFSARforeachSt.Lucieunit,andthendeletedthereferencetotheseoperabilityrequirementsfromSurveillanceRequirement4.11.2.5.1aspartofanadministrativeupdate'totechnicalspecifications.TheUFSARoperabilityrequirementsfortheWasteGasDecayTanksExplosiveGasMonitoringSystemcontainan"ACTION1"whichappliesintheeventatleastoneoxygenmonitorisnotOPERABLEduringwastegasholdupsystemoperation.ACTION1providesforoperationofthewastegasholdupsystem"tocontinueforupto30daysprovidedsamplesofoxygenareanalyzedbythelabgaspartitioneratleastonceper24hours."TherewerenochangestotheoperabilityrequirementsorthesubjectACTIONstatementfortheexplosivegasmonitoringinstrumentationduringtherelocationprocess,andtherequirementsintheUFSARarethesameasprovidedinformerTS3/4.3.3.10.TheproposedrevisiontoSurveillanceRequirement4.11.2.5.1isadministrativeinnature,andwillmaketheliteralmeaningofthisspecificationconsistentwiththeintended,andpreviouslyapproved,conditionalexceptiontothecontinuousmonitoringrequirementintheeventthatbothinstalledgasanalyzersbecomeinoperable.Ifthecontinuousmonitoringcapabilitybecomesinoperable,compliancewiththeexplicittermsofthesurveillancerequirementwillbepossiblewithoutunnecessarilybypassingthewastegasdecaytanks.Operationofthewastegassystemusinganonservicedecaytankisthepreferredalignmentofthewastegassystemtoallowstorageandadditionalradioactivedecaypriortoreleaseofwastegasestotheenvironment,andisconsistentwithALARAobjectives.
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment1Page5of54.0EnvironmentalConsiderationTheproposedlicenseamendmentchangesrequirementswithrespecttoinstallationoruseofafacilitycomponentlocatedwithintherestrictedareaasdefinedin10CFRPart20andchangesthesurveillancerequirements.Theproposedamendmentinvolvesnosignificantincreaseintheamountsandnosignificantchangeinthetypesofanyeffluentsthatmaybereleasedoffsite,andnosignificantincreaseinindividualorcumulativeoccupationalradiationexposure.FPLhasconcludedthattheproposedamendmentinvolvesnosignificanthazardsconsiderationandmeetsthecriteriaforcategoricalexclusionsetforthin10CFR51.22(c)(9)andthat,pursuantto10CFR51.22(b),anenvironmentalimpactstatementorenvironmentalassessmentneednotbepreparedinconnectionwithissuanceoftheamendment.5.0ConclusionAninconsistencybetweenExplosiveGasMixfureTS3/4.11.2.5andtherequirementsfortheWasteGasDecayTanksExplosiveGasMonitoringSysfemcontainedintheUFSARwasinadvertentlycreatedbypreviouslicenseamendments.CompliancewiththeexplicittermsofSurveillanceRequirement4.11.2.5.1,aspresentlystated,preventsimplementationofapreviouslyapprovedactionforacasewherecontinuousmonitoringcapabilityforoxygenconcentrationinwastegasesbecomesinoperable,andwouldresultinunnecessarilybypassingtheWasteGasDecayTanks.Theproposedamendmentsareadministrativeinnature,andareconsistentwithregulatoryguidanceinvolvingTSinterpretations.
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsATTACHMENT2toFPLLetterL-98-125DETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATION St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-126Attachment2Page1of2DETERMINATIONOFNOSIGNIFICANTHAZARDSCONSIDERATIONDescriptionofamendmeatrequest:TheproposedamendmentswillmodifyExplosiveGasMixtureSurveillanceRequirement4.11.2.5.1toprovideforusingthelaboratorygaspartitionertoperiodicallyanalyzetheoxygenconcentrationofwastegasesintheonservicewastegasdecaytankintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.TheproposedchangesareadministrativeinnatureandwillrectifyaninconsistencybetweenSpecification4.11.2.5.1andtheUpdatedFinalSafetyAnalysisReport(UFSAR)thatwasinadvertentlycreatedbypreviouslicenseamendments.Pursuantto10CFR50.92,adeterminationmaybemadethataproposedlicenseamendmentinvolvesnosignificanthazardsconsiderationifoperationofthefacilityinaccordancewiththeproposedamendmentwouldnot:(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated;or(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated;or(3)involveasignificantreductioninamarginofsafety.Eachstandardisdiscussedasfollows:(1)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.TheproposedlicenseamendmentsareadministrativeinnatureandwillrectifyaninconsistencybetweenSurveillanceRequirement4.11.2.5.1andtheUFSARthatwasinadvertentlycreatedbypreviouslicenseamendments.TherevisionswillreinstateapreviouslyapprovedconditionalexceptiontotheexplicittermsofthepresentlystatedTSrequirementtocontinuouslymonitorthewastegasesintheonserviceWasteGasDecayTank,andallowlimitedsystemoperationusingthelaboratorygaspartitionertoperiodicallyanalyzegassamplesintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.Limitsforpotentiallyexplosivemixturesofwastegaseshavenotbeenaltered,andexplosivegasmonitoringinstrumentationdoesnotpreventormitigatedesignbasisaccidentsortransientswhichassumeafailureoforachallengetoafissionproductbarrier.Theproposedrevisionsdonotinvolveanychangetotheplantaccidentanalysesassumptions,anddonotinvolveaccidentinitiators.Therefore,operationofeitherfacilityinaccordancewithitsproposedamendmentwouldnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.
St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsExlosiveGasMixtureMonitorinReuirementsL-98-125Attachment2Page2of2(2)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.TheproposedlicenseamendmentsareadministrativeinnatureandrectifyaninconsistencybetweenTechnicalSpecification4.11.2.5.1andtheUFSARthatwasinadvertentlycreatedbypreviouslicenseamendments.Therevisionswillnotchangethephysicalplantor,themodesofplantoperationdefinedintheFacilityLicenses.Thechangesdonotinvolvetheadditionormodificationofequipmentnordotheyalterthedesignofplantsystems.Therefore,operationofeitherfacilityinaccordancewithitsproposedamendmentwouldnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated.(3)Operationofthefacilityinaccordancewiththeproposedamendmentwouldnotinvolveasignificantreductioninamarginofsafety.TheproposedlicenseamendmentsareadministrativeinnatureandrectifyaninconsistencybetweenSurveillanceRequirement4.11.2.5.1andtheUFSARthatwasinadvertentlycreatedbypreviouslicenseamendments.TherevisionswillreinstateapreviouslyapprovedconditionalexceptiontotheexplicittermsofthepresentlystatedTSrequirementtocontinuouslymonitorthewastegasesintheonserviceWasteGasDecayTank,andallowlimitedsystemoperationusingthelaboratorygaspartitionertoperiodicallyanalyzegassamplesintheeventthatcontinuousmonitoringcapabilitybecomesinoperable.Limitsforpotentiallyexplosivemixturesofwastegaseshavenotbeenaltered,andexplosivegasmonitoringinstrumentationdoesnotpreventormitigatedesignbasisaccidentsortransientswhichassumeafailureoforachallengetoafissionproductbarrier.Theproposedchangesdonotalterthebasisforanytechnicalspecificationthatisrelatedtotheestablishmentof,orthemaintenanceof,anuclearsafetymargin.Therefore,operationofeitherfacilityinaccordancewithitsproposedamendmentwouldnotinvolveasignificantreductioninamarginofsafety.BasedontheabovediscussionandthesupportingEvaluationofTechnicalSpecificationchanges,FPLhasdeterminedthattheproposedlicenseamendmentsinvolvenosignificanthazardsconsideration.