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{{#Wiki_filter:EMERGENCYCORECOOLINGSYSTEMSECCSSUBSYSTEMS-T>325'FLIMITINGCONDITIONFOROPERATIONC~cEVp.C4OOSI:l.soBAut<SPSfaeiH.L-9f-t(s/<Vvv)3.5.2TwoindependentECCSsubsystemsshallbeOPERABLEwitheachsub-systemcomprisedof:a.OneOPERABLEhigh-ressuresafestinjection(HPSI)um,Qne-usys-em-si-ncum-an-e-seeon~bsystem-shQ-1-Hict-ude-m-ther-HRS-I-pumb.OneOPERABLElow-pressuresafetyinjectionpump,andc.AnindependentOPERABLEflow.pathcapableoftakingsuctionfromtherefuelingwatertankonaSafetyInjectionActuationSignalandautomaticallytransferringsuctiontothecontainmentsumponaRecirculationActuationSignal.APPLICABILITY:MODES1,2and3.".ACTION:a.b.WithoneECCSsubsysteminoperable,restoretheinoperablesubsystemtoOPERABLEstatuswithin72hours+orbeinHOTSHUTDOWNwithinthenext12hours.,$"v'gSafIntheeventtheECCSisactuatedandinjectswaterintotheReactorCoolantSystem,aSpecialReportshallbepreparedandsubmittedtotheCommissi.onpursuanttoSpecification6.9.2within90daysdescribingthecircumstancesoftheactuationandthetotalaccumulatedactuationcyclestodate."Withpressurizerpressure>1750psia.ZftheECCssubsystemisinoperableonlybecausetheLpSItrainisinoperable<,the72hourlimitmaybeextendedtoamaximumof7daysfrominitial"discoveryoffailuretomeettheLCO.ST.LUCIE-UNIT13/45-3AmendmentNo.'7506230234'750621PDRADaCK05000335pPDR  
{{#Wiki_filter:EMERGENCY CORECOOLINGSYSTEMSECCSSUBSYSTEMS
,rlV'I EMERGENCYCORECOOLINGSYSTEMSSURVEILLANCERKUIREMENTS(Continuede.Atleastonceper18months,duringshutdown,by:l.VerifyingthateachautomaticvalveintheflowpathactuatestoitscorrectpositiononaSafetyInjectionActuationSignal.2.VerifyingthateachofthefollowingpumpsstartautomaticallyuponreceiptofaSafetyInjectionActuationSignal;a.High-PressureSafetyInjectionpump.b.Low-PressureSafetyInjectionpump.QgQP53.VerifyingonaRecirculationActuationTestSignal,thecontainmentsumpisolationvalves.openandtherecirculationvalv5otherefuelingwatertankclose.PEPygQ'Tef.ByverifyingthateachofthefollowingpumpsdevelopsthespecifiedtotaldevelopedheadonrecirculationflowwhentestedpursuanttoSpecification4.0.5:1.High-PressureSafetyInjectionpumps:greaterthanorequalto2571ft.2.Low-PressureSafetyInjectionpumps:greaterthanorequalto350ft.ST.LUGIE-UNIT13/45-5AmendmentNo.gg,p(f  
-T>325'FLIMITINGCONDITION FOROPERATION C~cEVp.C4OOSI:l.soBAut<SP SfaeiH.L-9f-t(s/<Vvv)3.5.2Twoindependent ECCSsubsystems shallbeOPERABLEwitheachsub-systemcomprised of:a.OneOPERABLEhigh-ressuresafestinjection (HPSI)um,Qne-usys-em-si-ncum-an-e-seeon~bsystem-shQ-1
~~),(v~)t~,~~~t St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsLPSISstemAOTExtensionATTACHMENT4ST~LUCIEUNIT2MARKED-UPTECHNICALSPECIFICATIONPAGESPage3/45-3Page3/45-5 EMERGENCYCORECOOLINGSYSTEMS3/4.5.2ECCSSUBSYSTEMS-T,GREATERTHANOREUALTO325FLIMITINGCONDITIONFOROPERATION3.5.2TwoindependentEmergencyCoreCoolingSystem(ECCS)subsystemsshallbeOPERABLEwitheachsubsystemcomprisedof:a.OneOPERABLEhighpressuresafetyinjectionpump,b.OneOPERABLElowpressuresafetyinjectionpump,andc.AnindependentOPERABLEflowpathcapableoftakingsuctionfromtherefuelingwatertankonaSafetyInjectionActuationSignalandautomaticallytransferringsuctiontothecontainmentsumponaRecirculationActuationSignal,andd.OneOPERABLEchargingpump.APPLICABILITY:MODES1,2,and3".ACTION:a.WithoneECCSsubsysteminoperable,restoretheinoperabl'esubsystemtoOPERABLEstatuswithin72hours~orbeinatleastHOTSTANDBYwithinthenext6hoursandinHOTSHUTDOWNwithinthefollowing6hours.Serscri'.IntheeventtheECCSisactuatedandinjectswaterintotheReactorCoolantSystem,aSpecialReportshallbepreparedandsubmittedtotheCommissionpursuanttoSpecification6.9.2within90daysdes-cribingthecircumstancesoftheactuationandthetotalaccumulatedactuationcyclestodate.ThecurrentvalueoftheusagefactorforeachaffectedsafetyinjectionnozzleshallbeprovidedinthisSpecialReportwheneveritsvalueexceeds0.70.Withpressurizerpressuregreaterthanorequalto1750psia.IftheECCSsubsystemisthe72hourlimitmaydiscoveryoffailuretoinoperableonlybecausetheLPSItrainisinoperable,beextendedtoamaximumof7daysfrominitialmeettheLCO.ST.LUCIE-UNIT23/45-3 rfApreg~I)Qa<yQ~,LS"'
-Hict-ude-m-ther
EMERGENCYCORECOOLINGSYSTEMSSURVEILLANCEREUIREMENTS(Continued)2.Avisualinspectionofthecontainmentsumpandverifyingthatthesubsystemsuctioninletsarhnotrestrictedbydebrisandthatthesumpcomponents(trashracks,screens,etc.)shownoevidenceofstructuraldistressorcorrosion.3.4.f.At2.3:Verifyingthataminimumtotalof173cubicfeetofsolidgranulartrisodiumphosphatedodecahydrate(TSP)iscontainedwithintheTSPstoragebaskets.Verifyingthatwhenarepresentativesampleof70.5+0.5gramsofTSPfromaTSPstoragebasketissubmerged,withoutagitation,in10.0+O.lgallonsof120+10'FboratedwaterfromtheRWT,thepHofthemixedsolutionisraisedtogreaterthanorequalto7within4hours.leastonceper18months,duringshutdown,by:VerifyingthateachautomaticvalveintheflowpathactuatestoitscorrectpositiononSIASand/orRAStestsignals.VerifyingthateachofthefollowingpumpsstartautomaticallyuponreceiptofaSafetyInjectionActuationTestSignal:a.High-PressureSafetyInjectionpump.b.Low-PressureSafetyInjectionpump.VerifyingthatonamRecirculationActuationTestSignal,thecontainmensumpisolationvalvesopenandthe'ecirculationvalvtotherefuelingwatertankclos~g.ByverifyingthateachofthefollowingpumpsdevelopsthespecifiedtotaldevelopedheadonrecirculationflowwhentestedpursuanttoSpecification4.0.5:High-PressureSafetyInjectionpumps:greaterthanorequalto2854ft.2.Low-PressureSafetyInjectionpump:greaterthanor,equalto374ft.h.Byverifyingthecorrectpositionofeachelectricaland/ormechanicalpositionstopforthefollowingECCSthrottlevalves:l.DuringvalvestrokingoperationorfollowingmaintenanceonthevalveandpriortodeclaringthevalveOPERABLEwhentheECCSsubsystemsarerequiredtobeOPERABLE.ST.LUCIE-UNIT23/45-5 St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendmentsLPSISstemAOTExtensionL-95-133ENCLOSURE'ointApplicationsReportforLOWPRESSURESAFETYINJECTIONSYSTEMAOTEXTENSION(CENPSD-995,FinalReportCEOGTask836;May,1995)
-HRS-I-pum b.OneOPERABLElow-pressure safetyinjection pump,andc.Anindependent OPERABLEflow.pathcapableoftakingsuctionfromtherefueling watertankonaSafetyInjection Actuation Signalandautomatically transferring suctiontothecontainment sumponaRecirculation Actuation Signal.APPLICABILITY:
ATTAABVQ~22TA"Mark-up"ofNUREG-1432SECTIONS3.5.2&83.52 ECCS-Operating3.5.23.5EMERGENCYCORECOOLINGSYSTEHS(ECCS)3.5.2ECCS-OperatingLCO3.5.2TwoECCStrainsshallbeOPERABLE.APPLICABILITY:MODES1and2,HODE3withpressurizerpressure~f1700]psia.ACTIONSCONDITIONREQUIREDACTIONCOMPLETIONTIHEA.lOneormoretrainsinorable.ANDAtlea100~ftheECClowequivnttasingleOPERAA.1Restore'~~toOPERABLEstatus.7dLoy'sRequiredActionand~~~~~associatedCompletionTimenotmet.CP'.1BeinMODE3.AND.2Reducepressurizerpressureto<[1700]psia.6hours12hoursGEOGSTS3.5-4Rev.0,09/28/92 INSERTAOneLPSIsubtraininoperable.INSERTBB.OneormoreECCStrainsinoperableduetocondition(s)otherthanConditionA.B.1RestoreECCStrain(s)toOPERABLEstatus.72hoursANDAtleast100%%uooftheECCSQowequivalenttoasingleOPERABLEECCStrainavailable.
MODES1,2and3.".ACTION:a.b.WithoneECCSsubsystem inoperable, restoretheinoperable subsystem toOPERABLEstatuswithin72hours+orbeinHOTSHUTDOWNwithinthenext12hours.,$"v'gSafIntheeventtheECCSisactuatedandinjectswaterintotheReactorCoolantSystem,aSpecialReportshallbepreparedandsubmitted totheCommissi.on pursuanttoSpecification 6.9.2within90daysdescribing thecircumstances oftheactuation andthetotalaccumulated actuation cyclestodate."Withpressurizer pressure>1750psia.ZftheECCssubsystem isinoperable onlybecausetheLpSItrainisinoperable<,
ECCS-OperatingB3.5.2BASESACTIONSA.lconinued)OPERABLEsta'2hours.TheompletionTimeisbasedonanNRCs4usingareliabilityevaluationan'asonableamountofeetmanyrAnECCStrainisinoperableifitisnotcapableofdeliveringthedesignflowtotheRCS.Theindividualcomponentsareinoperableiftheyarenotcapableofperformingtheirdesignfunction,orifsupportingsystemsarenotavailable.ZQSE%'TRETheLCOrequirestheOPERABILITYofanumberofindependentsubsystems.Ouetotheredundancyoftrainsandthediversityofsubsystems,theinoperabilityofonecomponentinatraindoesnotrendertheECCSincapableofperformingitsfunction.Neitherdoestheinoperabilityoftwodifferentcomponents,eachinadifferenttrain,necessarilresultinalossoffunctionfortheECCS.TheintenftomaintainacombinationofOPERABLEequipmentsuchthat1008oftheECCSflowequivalentto1008ofasingleOPERABLEtrainremainsavailable.Thisallowsincreasedflexibilityinplantoperationswhencomponentsinoppositetrainsareinoperable.AneventaccompaniedbyalossofoffsitepowerandthefailureofanemergencyOGcandisableoneECCStrainuntilpowerisrestored.Areliabilityanalysis(Ref.4)hasshownthattheimpactwithonefullECCStraininoperableissufficientlysmalltojustifycontinuedoperationfor72hours.Reference5describessituationsinwhichonecomponent,suchasashutdowncoolingtotalflowcontrolvalve,candisablebothECCStrains.ioneormorecomponlnhtat100~oftheeu'wtoasingleOPERABLEavailable,thefacilityisinaconditietheaccienmustbeimediatelentered.Therefore,c.1and.2Iftheinoperabletraincannotberestoredto'OPERABLEstatuswithintheassociatedCompletionTime,theplantmust(continued)CEOGSTSB3.5-15Rev.0,09/28/92 INSERTAAeachofConditionAandConditionBareINSERTABEachofConditionAandConditionBincludesacombinationofOPERABLEequipmentsuchthatatleast100%oftheECCSflowequivalenttoasingleOPERABLEECCStrainremainsavailable.ConditionAaddressesthespeciQcconditionwheretheonlyaffectedECCSsubsystemisasingleLPSIsubtrain.Theavailabilityofatleast100%oftheECCSQowequivalenttoasingleOPERABLEECCStrainisimplicitinthedeQnitionofConditionA.IfLCO3.52requirementsarenotmetdueonlytotheexistenceofConditionA,thentheinoperableLPSIsubtraincomponentsmustbereturnedtoOPERABLEstatuswithinseven(7)daysofdiscoveryofConditionA.Thisseven(7)dayCompletionTimeisbasedontheQndingsofthedeterministicandprobabilisticanalysisthatarediscussedinReference6.Seven(7)daysisareasonableamountoftimetoperformmanycorrectiveandpreventativemaintenanceitemsontheaffectedLPSIsubtrain.Reference6concludedthattheoveraHriskimpactofthisCompletionTimewaseitherrisk-beneQcialorrisk-neutral.ConditionBaddressesotherscenrarioswheretheavailabilityofatleast100%oftheECCSQowequivalenttoasingleOPERABLEECCStrainexistsbutthefullrequirementsofLCO352arenotmet.IfConditionBexists,theninoperablecomponentsmustberestoredsuchthatConditionBdoesnotexistwith72hoursofdiscovery.The72hourCompletionTimeisbasedonanNRCreliabilitystudy(Ref.4)andisareasonableamountoftimetoeffectmanyrepairs.INSERTACWithoneormorecomponentsinoperablesuchthat100%oftheequivalentQowtoasingleOPERABLEECCSisnotavailable,thefacilityisinaconditionoutsideoftheaccidentanalyses.Insuchasituation,LCO3.03mustbeimmediatelyentered.
the72hourlimitmaybeextendedtoamaximumof7daysfrominitial"discovery offailuretomeettheLCO.ST.LUCIE-UNIT13/45-3Amendment No.'7506230234
ECCS-OperatingB3.5.2BASESACTIONS.1and.2(continued)bebroughttoaMODEinwhichtheLCOdoesnotapply.Toachievethisstatus,theplantmustbebroughttoatleastMODE3within6hoursandpressurizerpressurereducedto<1700psiawithin12hours.TheallowedCompletionTimesarereasonable,basedonoperatingexperience,toreachtherequiredunitconditionsfromfullpowerinanorderlymannerandwithoutchallengingunitsystems.SURVEILLANCEREQUIREMENTSSR3.5.2.1VerificationofpropervalvepositionensuresthattheflowpathfromtheECCSpumpstotheRCSismaintained.MisalignmentofthesevalvescouldrenderbothECCStrainsinoperable.Securingthesevalvesinpositionbyremovingpowerorbykeylockingthecontrolinthecorrectpositionensuresthatthevalvescannotbeinadvertentlymisalignedorchangepositionastheresultofanactivefailure.ThesevalvesareofthetypedescribedinReference5,whichcandisablethefunctionofbothECCStrainsandinvalidatefheaccidentanalysis.A12hourFrequencyisconsideredreasonableinviewofotheradministrativecontrolsensuringthatamispositionedvalveisanunlikelypossibility.SR3.5.2.2Verifyingthecorrectalignmentformanual,poweroperated,andautomaticvalvesintheECCSflowpathsprovidesassurancethattheproperflowpathswillexistforECCSoperation.ThisSRdoesnotapplytovalvesthatarelocked,sealed,orotherwisesecuredinposition,sincethesevalveswereverifiedtobeinthecorrectpositionpriortolocking,sealing,orsecuring.Avalvethatreceivesanactuationsignalisallowedtobeinanonaccidentpositionprovidedthevalveautomaticallyrepositionswithintheproperstroketime.ThisSurveillancedoesnotrequireanytestingorvalvemanipulation.Rather,itinvolvesverificationthatthosevalvescapableofbeingmispositionedareinthecorrectposition.(continued)CEOGSTS83.5-16Rev.0,09/28/92 ECCS-OperatingB3.5.2BASESSURVEILLANCERE(UIREMENTSSR3.5.2.10(continued)outage,ontheneedtohaveaccesstothethepotentialforunplannedtransientsifwereperformedwiththereactoratpower.sufficienttodetectabnormaldegradationbyoperatingexperience.location,andontheSurveillanceThisFrequencyisandisconfirmedREFERENCES~ScRTRD1.10CFR50,AppendixA,GDC35.2.10CFR50.46.3.FSAR,Chapter[6].4.NRCMemorandumtoV.Stello,Jr.,fromR.L.Baer,"RecommendedInterimRevisionstoLCOsforECCSComponents,"December1,1975.5.IEInformationNoticeNo.87-01,January6,1987.CEOGSTSB3.5-19Rev.0,09/28/92 INSERTAD6.CENPSD-995,"CEOGJointApplicationsReportforLowPressureSafetyInjectionSystemAOTExtension,"April1995.}}
'750621PDRADaCK05000335pPDR  
,rlV'I EMERGENCY CORECOOLINGSYSTEMSSURVEILLANCE RKUIREMENTS (Continued e.Atleastonceper18months,duringshutdown, by:l.Verifying thateachautomatic valveintheflowpathactuatestoitscorrectpositiononaSafetyInjection Actuation Signal.2.Verifying thateachofthefollowing pumpsstartautomatically uponreceiptofaSafetyInjection Actuation Signal;a.High-Pressure SafetyInjection pump.b.Low-Pressure SafetyInjection pump.QgQP53.VerifyingonaRecirculationActuation TestSignal,thecontainment sumpisolation valves.openandtherecirculation valv5otherefueling watertankclose.PEPygQ'Tef.Byverifying thateachofthefollowing pumpsdevelopsthespecified totaldeveloped headonrecirculation flowwhentestedpursuanttoSpecification 4.0.5:1.High-Pressure SafetyInjection pumps:greaterthanorequalto2571ft.2.Low-Pressure SafetyInjection pumps:greaterthanorequalto350ft.ST.LUGIE-UNIT13/45-5Amendment No.gg,p(f  
~~),(v~)t~,~~~t St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendments LPSISstemAOTExtension ATTACHMENT 4ST~LUCIEUNIT2MARKED-UP TECHNICAL SPECIFICATION PAGESPage3/45-3Page3/45-5 EMERGENCY CORECOOLINGSYSTEMS3/4.5.2ECCSSUBSYSTEMS
-T,GREATERTHANOREUALTO325FLIMITINGCONDITION FOROPERATION 3.5.2Twoindependent Emergency CoreCoolingSystem(ECCS)subsystems shallbeOPERABLEwitheachsubsystem comprised of:a.OneOPERABLEhighpressuresafetyinjection pump,b.OneOPERABLElowpressuresafetyinjection pump,andc.Anindependent OPERABLEflowpathcapableoftakingsuctionfromtherefueling watertankonaSafetyInjection Actuation Signalandautomatically transferring suctiontothecontainment sumponaRecirculation Actuation Signal,andd.OneOPERABLEchargingpump.APPLICABILITY:
MODES1,2,and3".ACTION:a.WithoneECCSsubsystem inoperable, restoretheinoperabl'e subsystem toOPERABLEstatuswithin72hours~orbeinatleastHOTSTANDBYwithinthenext6hoursandinHOTSHUTDOWNwithinthefollowing 6hours.Serscri'.IntheeventtheECCSisactuatedandinjectswaterintotheReactorCoolantSystem,aSpecialReportshallbepreparedandsubmitted totheCommission pursuanttoSpecification 6.9.2within90daysdes-cribingthecircumstances oftheactuation andthetotalaccumulated actuation cyclestodate.Thecurrentvalueoftheusagefactorforeachaffectedsafetyinjection nozzleshallbeprovidedinthisSpecialReportwheneveritsvalueexceeds0.70.Withpressurizer pressuregreaterthanorequalto1750psia.IftheECCSsubsystem isthe72hourlimitmaydiscovery offailuretoinoperable onlybecausetheLPSItrainisinoperable, beextendedtoamaximumof7daysfrominitialmeettheLCO.ST.LUCIE-UNIT23/45-3 rfApreg~I)Qa<yQ~,LS"'
EMERGENCY CORECOOLINGSYSTEMSSURVEILLANCE REUIREMENTS (Continued) 2.Avisualinspection ofthecontainment sumpandverifying thatthesubsystem suctioninletsarhnotrestricted bydebrisandthatthesumpcomponents (trashracks,screens,etc.)shownoevidenceofstructural distressorcorrosion.
3.4.f.At2.3:Verifying thataminimumtotalof173cubicfeetofsolidgranulartrisodium phosphate dodecahydrate (TSP)iscontained withintheTSPstoragebaskets.Verifying thatwhenarepresentative sampleof70.5+0.5gramsofTSPfromaTSPstoragebasketissubmerged, withoutagitation, in10.0+O.lgallonsof120+10'FboratedwaterfromtheRWT,thepHofthemixedsolutionisraisedtogreaterthanorequalto7within4hours.leastonceper18months,duringshutdown, by:Verifying thateachautomatic valveintheflowpathactuatestoitscorrectpositiononSIASand/orRAStestsignals.Verifying thateachofthefollowing pumpsstartautomatically uponreceiptofaSafetyInjection Actuation TestSignal:a.High-Pressure SafetyInjection pump.b.Low-Pressure SafetyInjection pump.Verifying thatonamRecirculation Actuation TestSignal,thecontainmen sumpisolation valvesopenandthe'ecirculation valvtotherefueling watertankclos~g.Byverifying thateachofthefollowing pumpsdevelopsthespecified totaldeveloped headonrecirculation flowwhentestedpursuanttoSpecification 4.0.5:High-Pressure SafetyInjection pumps:greaterthanorequalto2854ft.2.Low-Pressure SafetyInjection pump:greaterthanor,equalto374ft.h.Byverifying thecorrectpositionofeachelectrical and/ormechanical positionstopforthefollowing ECCSthrottlevalves:l.Duringvalvestrokingoperation orfollowing maintenance onthevalveandpriortodeclaring thevalveOPERABLEwhentheECCSsubsystems arerequiredtobeOPERABLE.
ST.LUCIE-UNIT23/45-5 St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendments LPSISstemAOTExtension L-95-133ENCLOSURE'oint Applications ReportforLOWPRESSURESAFETYINJECTION SYSTEMAOTEXTENSION (CENPSD-995, FinalReportCEOGTask836;May,1995)
ATTAABVQ~22T A"Mark-up" ofNUREG-1432 SECTIONS3.5.2&83.52 ECCS-Operating 3.5.23.5EMERGENCY CORECOOLINGSYSTEHS(ECCS)3.5.2ECCS-Operating LCO3.5.2TwoECCStrainsshallbeOPERABLE.
APPLICABILITY:
MODES1and2,HODE3withpressurizer pressure~f1700]psia.ACTIONSCONDITION REQUIREDACTIONCOMPLETION TIHEA.lOneormoretrainsinorable.ANDAtlea100~ftheECClowequivnttasingleOPERAA.1Restore'~~toOPERABLEstatus.7dLoy'sRequiredActionand~~~~~associated Completion Timenotmet.CP'.1BeinMODE3.AND.2Reducepressurizer pressureto<[1700]psia.6hours12hoursGEOGSTS3.5-4Rev.0,09/28/92 INSERTAOneLPSIsubtraininoperable.
INSERTBB.OneormoreECCStrainsinoperable duetocondition(s) otherthanCondition A.B.1RestoreECCStrain(s)toOPERABLEstatus.72hoursANDAtleast100%%uooftheECCSQowequivalent toasingleOPERABLEECCStrainavailable.
ECCS-Operating B3.5.2BASESACTIONSA.lconinued)OPERABLEsta'2hours.Theompletion TimeisbasedonanNRCs4usingareliability evaluation an'asonable amountofeetmanyrAnECCStrainisinoperable ifitisnotcapableofdelivering thedesignflowtotheRCS.Theindividual components areinoperable iftheyarenotcapableofperforming theirdesignfunction, orifsupporting systemsarenotavailable.
ZQSE%'TRETheLCOrequirestheOPERABILITY ofanumberofindependent subsystems.
Ouetotheredundancy oftrainsandthediversity ofsubsystems, theinoperability ofonecomponent inatraindoesnotrendertheECCSincapable ofperforming itsfunction.
Neitherdoestheinoperability oftwodifferent components, eachinadifferent train,necessaril resultinalossoffunctionfortheECCS.Theintenftomaintainacombination ofOPERABLEequipment suchthat1008oftheECCSflowequivalent to1008ofasingleOPERABLEtrainremainsavailable.
Thisallowsincreased flexibility inplantoperations whencomponents inoppositetrainsareinoperable.
Aneventaccompanied byalossofoffsitepowerandthefailureofanemergency OGcandisableoneECCStrainuntilpowerisrestored.
Areliability analysis(Ref.4)hasshownthattheimpactwithonefullECCStraininoperable issufficiently smalltojustifycontinued operation for72hours.Reference 5describes situations inwhichonecomponent, suchasashutdowncoolingtotalflowcontrolvalve,candisablebothECCStrains.ioneormorecomponlnhtat100~oftheeu'wtoasingleOPERABLEavailable, thefacilityisinaconditietheaccienmustbeimediatel entered.Therefore, c.1and.2Iftheinoperable traincannotberestoredto'OPERABLE statuswithintheassociated Completion Time,theplantmust(continued)
CEOGSTSB3.5-15Rev.0,09/28/92 INSERTAAeachofCondition AandCondition BareINSERTABEachofCondition AandCondition Bincludesacombination ofOPERABLEequipment suchthatatleast100%oftheECCSflowequivalent toasingleOPERABLEECCStrainremainsavailable.
Condition Aaddresses thespeciQccondition wheretheonlyaffectedECCSsubsystem isasingleLPSIsubtrain.
Theavailability ofatleast100%oftheECCSQowequivalent toasingleOPERABLEECCStrainisimplicitinthedeQnition ofCondition A.IfLCO3.52requirements arenotmetdueonlytotheexistence ofCondition A,thentheinoperable LPSIsubtraincomponents mustbereturnedtoOPERABLEstatuswithinseven(7)daysofdiscovery ofCondition A.Thisseven(7)dayCompletion TimeisbasedontheQndingsofthedeterministic andprobabilistic analysisthatarediscussed inReference 6.Seven(7)daysisareasonable amountoftimetoperformmanycorrective andpreventative maintenance itemsontheaffectedLPSIsubtrain.
Reference 6concluded thattheoveraHriskimpactofthisCompletion Timewaseitherrisk-beneQcial orrisk-neutral.
Condition Baddresses otherscenrarios wheretheavailability ofatleast100%oftheECCSQowequivalent toasingleOPERABLEECCStrainexistsbutthefullrequirements ofLCO352arenotmet.IfCondition Bexists,theninoperable components mustberestoredsuchthatCondition Bdoesnotexistwith72hoursofdiscovery.
The72hourCompletion TimeisbasedonanNRCreliability study(Ref.4)andisareasonable amountoftimetoeffectmanyrepairs.INSERTACWithoneormorecomponents inoperable suchthat100%oftheequivalent QowtoasingleOPERABLEECCSisnotavailable, thefacilityisinacondition outsideoftheaccidentanalyses.
Insuchasituation, LCO3.03mustbeimmediately entered.
ECCS-Operating B3.5.2BASESACTIONS.1and.2(continued) bebroughttoaMODEinwhichtheLCOdoesnotapply.Toachievethisstatus,theplantmustbebroughttoatleastMODE3within6hoursandpressurizer pressurereducedto<1700psiawithin12hours.TheallowedCompletion Timesarereasonable, basedonoperating experience, toreachtherequiredunitconditions fromfullpowerinanorderlymannerandwithoutchallenging unitsystems.SURVEILLANCE REQUIREMENTS SR3.5.2.1Verification ofpropervalvepositionensuresthattheflowpathfromtheECCSpumpstotheRCSismaintained.
Misalignment ofthesevalvescouldrenderbothECCStrainsinoperable.
Securingthesevalvesinpositionbyremovingpowerorbykeylockingthecontrolinthecorrectpositionensuresthatthevalvescannotbeinadvertently misaligned orchangepositionastheresultofanactivefailure.Thesevalvesareofthetypedescribed inReference 5,whichcandisablethefunctionofbothECCStrainsandinvalidate fheaccidentanalysis.
A12hourFrequency isconsidered reasonable inviewofotheradministrative controlsensuringthatamispositioned valveisanunlikelypossibility.
SR3.5.2.2Verifying thecorrectalignment formanual,poweroperated, andautomatic valvesintheECCSflowpathsprovidesassurance thattheproperflowpathswillexistforECCSoperation.
ThisSRdoesnotapplytovalvesthatarelocked,sealed,orotherwise securedinposition, sincethesevalveswereverifiedtobeinthecorrectpositionpriortolocking,sealing,orsecuring.
Avalvethatreceivesanactuation signalisallowedtobeinanonaccident positionprovidedthevalveautomatically repositions withintheproperstroketime.ThisSurveillance doesnotrequireanytestingorvalvemanipulation.
Rather,itinvolvesverification thatthosevalvescapableofbeingmispositioned areinthecorrectposition.
(continued)
CEOGSTS83.5-16Rev.0,09/28/92 ECCS-Operating B3.5.2BASESSURVEILLANCE RE(UIREMENTS SR3.5.2.10(continued) outage,ontheneedtohaveaccesstothethepotential forunplanned transients ifwereperformed withthereactoratpower.sufficient todetectabnormaldegradation byoperating experience.
: location, andontheSurveillance ThisFrequency isandisconfirmed REFERENCES
~ScRTRD1.10CFR50,AppendixA,GDC35.2.10CFR50.46.3.FSAR,Chapter[6].4.NRCMemorandum toV.Stello,Jr.,fromR.L.Baer,"Recommended InterimRevisions toLCOsforECCSComponents,"
December1,1975.5.IEInformation NoticeNo.87-01,January6,1987.CEOGSTSB3.5-19Rev.0,09/28/92 INSERTAD6.CENPSD-995, "CEOGJointApplications ReportforLowPressureSafetyInjection SystemAOTExtension,"
April1995.}}

Revision as of 15:55, 29 June 2018

Proposed Tech Specs Re Time Allowed to Restore Inoperable LPSI Train to Operable Status
ML17228B181
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Site: Saint Lucie  NextEra Energy icon.png
Issue date: 06/21/1995
From:
FLORIDA POWER & LIGHT CO.
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ML17228B182 List:
References
NUDOCS 9506230234
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EMERGENCY CORECOOLINGSYSTEMSECCSSUBSYSTEMS

-T>325'FLIMITINGCONDITION FOROPERATION C~cEVp.C4OOSI:l.soBAut<SP SfaeiH.L-9f-t(s/<Vvv)3.5.2Twoindependent ECCSsubsystems shallbeOPERABLEwitheachsub-systemcomprised of:a.OneOPERABLEhigh-ressuresafestinjection (HPSI)um,Qne-usys-em-si-ncum-an-e-seeon~bsystem-shQ-1

-Hict-ude-m-ther

-HRS-I-pum b.OneOPERABLElow-pressure safetyinjection pump,andc.Anindependent OPERABLEflow.pathcapableoftakingsuctionfromtherefueling watertankonaSafetyInjection Actuation Signalandautomatically transferring suctiontothecontainment sumponaRecirculation Actuation Signal.APPLICABILITY:

MODES1,2and3.".ACTION:a.b.WithoneECCSsubsystem inoperable, restoretheinoperable subsystem toOPERABLEstatuswithin72hours+orbeinHOTSHUTDOWNwithinthenext12hours.,$"v'gSafIntheeventtheECCSisactuatedandinjectswaterintotheReactorCoolantSystem,aSpecialReportshallbepreparedandsubmitted totheCommissi.on pursuanttoSpecification 6.9.2within90daysdescribing thecircumstances oftheactuation andthetotalaccumulated actuation cyclestodate."Withpressurizer pressure>1750psia.ZftheECCssubsystem isinoperable onlybecausetheLpSItrainisinoperable<,

the72hourlimitmaybeextendedtoamaximumof7daysfrominitial"discovery offailuretomeettheLCO.ST.LUCIE-UNIT13/45-3Amendment No.'7506230234

'750621PDRADaCK05000335pPDR

,rlV'I EMERGENCY CORECOOLINGSYSTEMSSURVEILLANCE RKUIREMENTS (Continued e.Atleastonceper18months,duringshutdown, by:l.Verifying thateachautomatic valveintheflowpathactuatestoitscorrectpositiononaSafetyInjection Actuation Signal.2.Verifying thateachofthefollowing pumpsstartautomatically uponreceiptofaSafetyInjection Actuation Signal;a.High-Pressure SafetyInjection pump.b.Low-Pressure SafetyInjection pump.QgQP53.VerifyingonaRecirculationActuation TestSignal,thecontainment sumpisolation valves.openandtherecirculation valv5otherefueling watertankclose.PEPygQ'Tef.Byverifying thateachofthefollowing pumpsdevelopsthespecified totaldeveloped headonrecirculation flowwhentestedpursuanttoSpecification 4.0.5:1.High-Pressure SafetyInjection pumps:greaterthanorequalto2571ft.2.Low-Pressure SafetyInjection pumps:greaterthanorequalto350ft.ST.LUGIE-UNIT13/45-5Amendment No.gg,p(f

~~),(v~)t~,~~~t St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendments LPSISstemAOTExtension ATTACHMENT 4ST~LUCIEUNIT2MARKED-UP TECHNICAL SPECIFICATION PAGESPage3/45-3Page3/45-5 EMERGENCY CORECOOLINGSYSTEMS3/4.5.2ECCSSUBSYSTEMS

-T,GREATERTHANOREUALTO325FLIMITINGCONDITION FOROPERATION 3.5.2Twoindependent Emergency CoreCoolingSystem(ECCS)subsystems shallbeOPERABLEwitheachsubsystem comprised of:a.OneOPERABLEhighpressuresafetyinjection pump,b.OneOPERABLElowpressuresafetyinjection pump,andc.Anindependent OPERABLEflowpathcapableoftakingsuctionfromtherefueling watertankonaSafetyInjection Actuation Signalandautomatically transferring suctiontothecontainment sumponaRecirculation Actuation Signal,andd.OneOPERABLEchargingpump.APPLICABILITY:

MODES1,2,and3".ACTION:a.WithoneECCSsubsystem inoperable, restoretheinoperabl'e subsystem toOPERABLEstatuswithin72hours~orbeinatleastHOTSTANDBYwithinthenext6hoursandinHOTSHUTDOWNwithinthefollowing 6hours.Serscri'.IntheeventtheECCSisactuatedandinjectswaterintotheReactorCoolantSystem,aSpecialReportshallbepreparedandsubmitted totheCommission pursuanttoSpecification 6.9.2within90daysdes-cribingthecircumstances oftheactuation andthetotalaccumulated actuation cyclestodate.Thecurrentvalueoftheusagefactorforeachaffectedsafetyinjection nozzleshallbeprovidedinthisSpecialReportwheneveritsvalueexceeds0.70.Withpressurizer pressuregreaterthanorequalto1750psia.IftheECCSsubsystem isthe72hourlimitmaydiscovery offailuretoinoperable onlybecausetheLPSItrainisinoperable, beextendedtoamaximumof7daysfrominitialmeettheLCO.ST.LUCIE-UNIT23/45-3 rfApreg~I)Qa<yQ~,LS"'

EMERGENCY CORECOOLINGSYSTEMSSURVEILLANCE REUIREMENTS (Continued) 2.Avisualinspection ofthecontainment sumpandverifying thatthesubsystem suctioninletsarhnotrestricted bydebrisandthatthesumpcomponents (trashracks,screens,etc.)shownoevidenceofstructural distressorcorrosion.

3.4.f.At2.3:Verifying thataminimumtotalof173cubicfeetofsolidgranulartrisodium phosphate dodecahydrate (TSP)iscontained withintheTSPstoragebaskets.Verifying thatwhenarepresentative sampleof70.5+0.5gramsofTSPfromaTSPstoragebasketissubmerged, withoutagitation, in10.0+O.lgallonsof120+10'FboratedwaterfromtheRWT,thepHofthemixedsolutionisraisedtogreaterthanorequalto7within4hours.leastonceper18months,duringshutdown, by:Verifying thateachautomatic valveintheflowpathactuatestoitscorrectpositiononSIASand/orRAStestsignals.Verifying thateachofthefollowing pumpsstartautomatically uponreceiptofaSafetyInjection Actuation TestSignal:a.High-Pressure SafetyInjection pump.b.Low-Pressure SafetyInjection pump.Verifying thatonamRecirculation Actuation TestSignal,thecontainmen sumpisolation valvesopenandthe'ecirculation valvtotherefueling watertankclos~g.Byverifying thateachofthefollowing pumpsdevelopsthespecified totaldeveloped headonrecirculation flowwhentestedpursuanttoSpecification 4.0.5:High-Pressure SafetyInjection pumps:greaterthanorequalto2854ft.2.Low-Pressure SafetyInjection pump:greaterthanor,equalto374ft.h.Byverifying thecorrectpositionofeachelectrical and/ormechanical positionstopforthefollowing ECCSthrottlevalves:l.Duringvalvestrokingoperation orfollowing maintenance onthevalveandpriortodeclaring thevalveOPERABLEwhentheECCSsubsystems arerequiredtobeOPERABLE.

ST.LUCIE-UNIT23/45-5 St.LucieUnit1andUnit2DocketNos.50-335and50-389ProposedLicenseAmendments LPSISstemAOTExtension L-95-133ENCLOSURE'oint Applications ReportforLOWPRESSURESAFETYINJECTION SYSTEMAOTEXTENSION (CENPSD-995, FinalReportCEOGTask836;May,1995)

ATTAABVQ~22T A"Mark-up" ofNUREG-1432 SECTIONS3.5.2&83.52 ECCS-Operating 3.5.23.5EMERGENCY CORECOOLINGSYSTEHS(ECCS)3.5.2ECCS-Operating LCO3.5.2TwoECCStrainsshallbeOPERABLE.

APPLICABILITY:

MODES1and2,HODE3withpressurizer pressure~f1700]psia.ACTIONSCONDITION REQUIREDACTIONCOMPLETION TIHEA.lOneormoretrainsinorable.ANDAtlea100~ftheECClowequivnttasingleOPERAA.1Restore'~~toOPERABLEstatus.7dLoy'sRequiredActionand~~~~~associated Completion Timenotmet.CP'.1BeinMODE3.AND.2Reducepressurizer pressureto<[1700]psia.6hours12hoursGEOGSTS3.5-4Rev.0,09/28/92 INSERTAOneLPSIsubtraininoperable.

INSERTBB.OneormoreECCStrainsinoperable duetocondition(s) otherthanCondition A.B.1RestoreECCStrain(s)toOPERABLEstatus.72hoursANDAtleast100%%uooftheECCSQowequivalent toasingleOPERABLEECCStrainavailable.

ECCS-Operating B3.5.2BASESACTIONSA.lconinued)OPERABLEsta'2hours.Theompletion TimeisbasedonanNRCs4usingareliability evaluation an'asonable amountofeetmanyrAnECCStrainisinoperable ifitisnotcapableofdelivering thedesignflowtotheRCS.Theindividual components areinoperable iftheyarenotcapableofperforming theirdesignfunction, orifsupporting systemsarenotavailable.

ZQSE%'TRETheLCOrequirestheOPERABILITY ofanumberofindependent subsystems.

Ouetotheredundancy oftrainsandthediversity ofsubsystems, theinoperability ofonecomponent inatraindoesnotrendertheECCSincapable ofperforming itsfunction.

Neitherdoestheinoperability oftwodifferent components, eachinadifferent train,necessaril resultinalossoffunctionfortheECCS.Theintenftomaintainacombination ofOPERABLEequipment suchthat1008oftheECCSflowequivalent to1008ofasingleOPERABLEtrainremainsavailable.

Thisallowsincreased flexibility inplantoperations whencomponents inoppositetrainsareinoperable.

Aneventaccompanied byalossofoffsitepowerandthefailureofanemergency OGcandisableoneECCStrainuntilpowerisrestored.

Areliability analysis(Ref.4)hasshownthattheimpactwithonefullECCStraininoperable issufficiently smalltojustifycontinued operation for72hours.Reference 5describes situations inwhichonecomponent, suchasashutdowncoolingtotalflowcontrolvalve,candisablebothECCStrains.ioneormorecomponlnhtat100~oftheeu'wtoasingleOPERABLEavailable, thefacilityisinaconditietheaccienmustbeimediatel entered.Therefore, c.1and.2Iftheinoperable traincannotberestoredto'OPERABLE statuswithintheassociated Completion Time,theplantmust(continued)

CEOGSTSB3.5-15Rev.0,09/28/92 INSERTAAeachofCondition AandCondition BareINSERTABEachofCondition AandCondition Bincludesacombination ofOPERABLEequipment suchthatatleast100%oftheECCSflowequivalent toasingleOPERABLEECCStrainremainsavailable.

Condition Aaddresses thespeciQccondition wheretheonlyaffectedECCSsubsystem isasingleLPSIsubtrain.

Theavailability ofatleast100%oftheECCSQowequivalent toasingleOPERABLEECCStrainisimplicitinthedeQnition ofCondition A.IfLCO3.52requirements arenotmetdueonlytotheexistence ofCondition A,thentheinoperable LPSIsubtraincomponents mustbereturnedtoOPERABLEstatuswithinseven(7)daysofdiscovery ofCondition A.Thisseven(7)dayCompletion TimeisbasedontheQndingsofthedeterministic andprobabilistic analysisthatarediscussed inReference 6.Seven(7)daysisareasonable amountoftimetoperformmanycorrective andpreventative maintenance itemsontheaffectedLPSIsubtrain.

Reference 6concluded thattheoveraHriskimpactofthisCompletion Timewaseitherrisk-beneQcial orrisk-neutral.

Condition Baddresses otherscenrarios wheretheavailability ofatleast100%oftheECCSQowequivalent toasingleOPERABLEECCStrainexistsbutthefullrequirements ofLCO352arenotmet.IfCondition Bexists,theninoperable components mustberestoredsuchthatCondition Bdoesnotexistwith72hoursofdiscovery.

The72hourCompletion TimeisbasedonanNRCreliability study(Ref.4)andisareasonable amountoftimetoeffectmanyrepairs.INSERTACWithoneormorecomponents inoperable suchthat100%oftheequivalent QowtoasingleOPERABLEECCSisnotavailable, thefacilityisinacondition outsideoftheaccidentanalyses.

Insuchasituation, LCO3.03mustbeimmediately entered.

ECCS-Operating B3.5.2BASESACTIONS.1and.2(continued) bebroughttoaMODEinwhichtheLCOdoesnotapply.Toachievethisstatus,theplantmustbebroughttoatleastMODE3within6hoursandpressurizer pressurereducedto<1700psiawithin12hours.TheallowedCompletion Timesarereasonable, basedonoperating experience, toreachtherequiredunitconditions fromfullpowerinanorderlymannerandwithoutchallenging unitsystems.SURVEILLANCE REQUIREMENTS SR3.5.2.1Verification ofpropervalvepositionensuresthattheflowpathfromtheECCSpumpstotheRCSismaintained.

Misalignment ofthesevalvescouldrenderbothECCStrainsinoperable.

Securingthesevalvesinpositionbyremovingpowerorbykeylockingthecontrolinthecorrectpositionensuresthatthevalvescannotbeinadvertently misaligned orchangepositionastheresultofanactivefailure.Thesevalvesareofthetypedescribed inReference 5,whichcandisablethefunctionofbothECCStrainsandinvalidate fheaccidentanalysis.

A12hourFrequency isconsidered reasonable inviewofotheradministrative controlsensuringthatamispositioned valveisanunlikelypossibility.

SR3.5.2.2Verifying thecorrectalignment formanual,poweroperated, andautomatic valvesintheECCSflowpathsprovidesassurance thattheproperflowpathswillexistforECCSoperation.

ThisSRdoesnotapplytovalvesthatarelocked,sealed,orotherwise securedinposition, sincethesevalveswereverifiedtobeinthecorrectpositionpriortolocking,sealing,orsecuring.

Avalvethatreceivesanactuation signalisallowedtobeinanonaccident positionprovidedthevalveautomatically repositions withintheproperstroketime.ThisSurveillance doesnotrequireanytestingorvalvemanipulation.

Rather,itinvolvesverification thatthosevalvescapableofbeingmispositioned areinthecorrectposition.

(continued)

CEOGSTS83.5-16Rev.0,09/28/92 ECCS-Operating B3.5.2BASESSURVEILLANCE RE(UIREMENTS SR3.5.2.10(continued) outage,ontheneedtohaveaccesstothethepotential forunplanned transients ifwereperformed withthereactoratpower.sufficient todetectabnormaldegradation byoperating experience.

location, andontheSurveillance ThisFrequency isandisconfirmed REFERENCES

~ScRTRD1.10CFR50,AppendixA,GDC35.2.10CFR50.46.3.FSAR,Chapter[6].4.NRCMemorandum toV.Stello,Jr.,fromR.L.Baer,"Recommended InterimRevisions toLCOsforECCSComponents,"

December1,1975.5.IEInformation NoticeNo.87-01,January6,1987.CEOGSTSB3.5-19Rev.0,09/28/92 INSERTAD6.CENPSD-995, "CEOGJointApplications ReportforLowPressureSafetyInjection SystemAOTExtension,"

April1995.

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