ML17332A224

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Proposed Tech Specs Reflecting Changes to Battery Surveillance Requirements
ML17332A224
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Site: Cook  American Electric Power icon.png
Issue date: 07/19/1994
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INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
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AttachmentltoAEP:NRC:0896SExistingTechnicalSpecificationsforDonaldC.CookNuclearPlantUnitsland2MarkedtoReflectProposedChanges9'407250200940719PDRADQCK05000315pPDR ELCTRICALPO~SYSTEMSSURVEILLANCEREQUIREMENTSContinued2.Thepilotcellspecificgravity,correctedto77F,andfullelectrolytelevel(fluidat'=thebottomofthemaximumlevelindicationmark),isgreaterthanorequalto1.200,3.Thepilotcellvoltageisgreaterthanorequalto2.13.volts,and.Theoverallbatteryvoltageisgreaterthanorequalto250volts.b.Atleastonceper92daysbyverifyingthat:1.Thevoltageofeachconnectedcellisgreaterthanorequalto2.13voltsunderfloatcharge.2.Thespecificgravity,correctedto77F,andfullelectrolyteolevel(fluidatthebottomofthemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequalto1.200andhasnotdecreasedmorethan0.03fromthevalueobservedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcellisbetweenthetopofthe'minimumlevelindicationmarkandthebottomofthemaximumlevelindicationmark.c.Atleastonceper18monthsbyverifyingthat:1.Thecells,cellplatesandbatteryracksshownovisualindicationofphysicaldamageorabnormaldeterioration,2.Thecell-to-cellandterminalconnectionsareclean,tight,freeofcorrosionandcoatedwithanti-corrosionmaterial,3.Thebatterychargerwillsupplyatleast140amperesatgreaterthanorequalto250voltsforatleast4hours.Atleastonceper18months,performabatteryservicetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisadequatetosupplyandmaintainiOPERABLEstatustheactualorsimulatedemergencyloadsfortheThebatteryterminalvoltageshallbemaintainedgreatethanorequalto210voltsthroughoutthistest.designdutycyclewhichisbasedonthecompositeloadprofile.ThecompositeloadprofileenvelopesboththeLOCA/LOOPandStationBlackoutprofilesandprovidesthebasisforthetimeslistedinTable4.8-2.Thebatterychargerwillbedisconnectedthroughoutthetes~COOKNUCLEARPLANT-UNIT13/48-13AMENDMENTNo.ggP,155

ELECTRICALPOWERSYSTEMSSURVEILLANCEREUIREMENTSContinuede.Atleastonceper60months,performabatterydischargetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisatleast80Kofthemanufacturer'srating.+Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest..Refuelingoutage'ischargetestsbegiventoanybatterythatshowssignofdegradationorhasreached85%oftheservicelifeexpectedfortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10%ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow90%ofthemanufacturer'srating~1D.CCOOK-UNIT13/48-14AMENDMENTNO.225 TABLE4.8"2BATTERYEMERGENCYLOADSABBatterLoads1.ChannelIIIstaticinverter2.ChannelIYstaticinverterIIcon+pslc.ircuj+s3.4MinimumTime4P'rs+phrsPg'hrs4.Feedpumpturbine1Eoilpump5.Controlroomemergency.lighting6.Hainturbinebackupoilpump7.Isolationvalvecontrol'hr+g'hrs)PhrP'Phrs~COBLds1.'hannelIstaticinverter2.ChannelIIstaticinverter3.BOPstaticinverter"4.Feedpumpturbine1Woilpump5.Generatorsealoilpump6.Turbineemergencyoilpump7.Isolationvalves+ghrs+P'r's+3'hrs1hr+ghrsI3'hrg'fghrs8.Annunciators9.Allcontrolcircuits4Phrs4ghrspowersourcestothe'invertersshallbeturnedoffatthestartofthetestandmaybeturnedonattheendofthespecifiedtimeinterval.Invertersmaybeleftinthisoperatingmodeforthedurationofthedischargetest;D.C.COOK"UNIT13/48"15AMENDMENTNO.125 ELECTRICALPOWERSYSTEMSSURVEILLANCEREUIRE~SContinued3.Thepilotcellvoltageisgreaterthanorequalto2.13volts,and4.Theoverallbatteryvoltagei.sgreaterthanorequalto250volts.b.Atleastonceper92daysbyverifyingthat:1.Thevoltageofeachconnectedcelli.sgreaterthanorequalto2.13voltsunderfloatcharge.2.Thespecificgravity,correctedto77Fandfullelectzolyte0level(fluidatthebottomofthemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequalto1.200andhasnotdecreasedmorethan0.03fromthevalueobservedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcellisbetweenthetopoftheminimumlevelindi.cationmarkandthebottomofthemaximumlevelindi.cationmark.c~Atleastonceper18monthsbyverifyingthat:1.Thecells,cellplatesandbatteryracksshownovisualindicationofphysicaldamageorabnormaldeteriorati.on.2.Thecell-to-cellandterminalconnectionsareclean,tight,freeofcorrosionandcoatedwithanti-cozrosi.onmaterial.3.Thebatterychargerwillsupplyatleast10amperesatgreaterthanorequalto250voltsforatleast4hours.d.e.Atleastonceper18monthsperformabatteryservicetest,duringshutdown(MODES5or6),byverifyingthatthebatterycapacityisadequatetosupplyandmaintaininOPERABLEstatustheactualorsimulatedemergencyloadsforthetimesspecifiedofTable4.8-3withthebatterychargerdisconnected.Thebatteryterminalvoltageshallbemaintainedgreaterthanorequalto210voltsthroughoutthebatteryservicetest.Atleastonceper60monthsperformabatterydischargetest,duringshutdown(MODES5or6),byverifyingthatthegattezycapacityisatleast80Softhemanufacturer'srating~Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest.COOKNUCLEARPLANT-UNIT13/48-18.AMENI)MENT..NO.129.155Refuelingoutagedischargetestsshmhl~~begiventoanybatterythatshowssignofdegradationorhasreached85%oftheservicelifeexpectedfortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10%ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow90%ofthemanufacturer'sratinL.

TABLE4.8-3BATTERYEMERGENCYLOADS"H"BatterLoadsAuxiliaryfeedwaterturbinecontrolbusFMO-211valveFMO-221valveFMO-231valveFMO-241valveTDTVvalveMinimumTime4hoursy~hotrsp4~($$p'4.rs+$L>ur~gg~rs"Valves2.3.4.willbeoperatedthroughthefollowingsequence:Beginningoftest:openvalvesFiveminutesafterthebeginninghetest:closethevalves.~~~Tenminutesafter@0eginningofthetest:reopenther~4valves.Fourhouafterthebeginningofthetest:closethevalves.Endofthetest.D.C.COOK-UNIT13/48-19AMENDMENTNO.125 3/4.8ELECTRICALPOWERSYSTEMSBASESTheOPERABILITYoftheA.C.andD.C.powersourcesandassociateddistributionsystemsduringoperationensuresthatsufficientpowerwillbeavailabletosupplythesafetyrelatedequipmentrequiredfor1)thesafeshutdownofthefacilityand2)themitigationandcontrolofaccident'conditionswithinthefacility.TheminimumspecifiedindependentandredundantA.C.andD.C.powersourcesanddistributionsystemssatisfytherequirementsofGeneralDesignCriteria17ofAppendix"A"to10CFR50.TheACTIONrequirementsspecifiedforthelevelsofdegradationofthepowersourcesproviderestrictionuponcontinuedfacilityoperationcommensuratewiththelevelofdegradation.TheOPERABILITYofthepowersourcesareconsistentwiththeinitialconditionassumptionsoftheaccidentanalysesandarebaseduponmaintainingatleastoneofeachoftheonsiteA.C.andD.C.powersourcesandassociateddistributionsystemsOPERABLEduringaccidentconditionscoincidentwithanassumedlossofoffsitepowerandsinglefailureoftheotheronsiteA.C.source.TheOPERABILITYoftheminimumspecifiedA.C.andD.C.powersourcesandassociateddistributionsystemsduringshutdownandrefuelingensuresthat1)thefacilitycanbemaintainedintheshutdownorrefuelingconditionforextendedtimeperiodsand2)sufficientinstrumentationandcontrolcapabilityisavailableformonitoringandmaintainingthefacilitystatus.ThetrainNstationbatterysystemprovidesanindependent250voltDCpowersupplyforpowerandcontroloftheturbinedrivenauxiliaryfeedwaterpumptrain.ThelimitingconditionsofoperationforthetrainNbatteryareconsistentwiththerequirementsoftheauxiliaryfeedwatersystem.ThesurveillancerequirementsforthetrainNbatterysystemareconsistentwiththerequirementsoftheABandCDstationbatteries.ThetrainNbatteryloadsarederivedfromequipmentintheturbinedrivenauxiliaryfeedwaterpumptrainandbattery.sizingisconsistentwiththefunctionalrequirementsofthesecomponents.Simulatedloadsforbatterytestsareloadsequivalenttomeasuredactualloads.~TheABandCDstationbatterysystemsprovideareliablesourceofcontinuouspowerforsupplyandcontrolofplantloadssuchasswitchgear8annunciatorcontrolcircuits,staticinverters,valvecontrolcenters,emergencylightingandmotorcontrolcenters.ThedesigndutycyclesofthesebatteriesarecompositeloadprofilesresultingfromthecombinationofthethreehourLossOfCoolantAccident/LossOfOffsitepowerbatteryloadprofilesandthefourhourStationBlackoutbatteryloadprofiles.~D.C.COOK-UNIT1B3/48-1AmendmentNo.86 ELECTRICALPOWERSYSTEM~SURVEiLLANCEREUIREhtENTSContinued2.Thepilotcellspecificgravity,correctedto77F,andfullelectrolytelevel(fluidatthebottomofthemaximumlevelindicationmark),isgreaterthanorequalto1.200,3.Thepilotcellvoltageisgreaterthanorequalto2.13volts,and4.Theoverallbatteryvoltageisgreaterthanorequalto250volts.b.Atleastonceper92daysbyverifyingthat:1.Thevoltageofeachconnectedcellisgreaterthanorequalto2.13voltsunderfloatcharge.'.Thespecificgravity,correctedto77F,andfullelectro'ytelevel(fluidatthebottomofthemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequalto1.200andhasnotdecreasedmorethan0.03fromthevalueobservedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcellisbetweenrhetopoftheminimumlevelindicationmarkandthebottomofthemaximumlevelindicationmark.c.Atleastonceper18monthsbyverifyingthat:1.Thecells,cellplatesandbatteryracksshownovisualindicationofphysicaldamageorabnormaldeterioration,2.Thecell-to-cellandterminalconnectionsareclean,tight,free'ofcorrosionandcoatedwithanti.-corrosionmaterial,3.Thebatterychargerwillsupplyatleast140amperesatgreaterthanorequalto250voltsforatleast4hours.rAtleastonceper18months,performabatteryservicetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisadequatetosupplyandmaintaininOPERABLEstatustheactualorsimulatedemergencyloadsfortheThebatteryterminalvoltageshallbemaintainedgreaterthanorequalto210voltsthroughoutthistest.idestgndulycyclewhichisbasedon,.thecompositeloadprofile.ThecompositeloadprofiieenvelopesboththeLOCA/LOOPandStationBlackoutprofilesandprovidesthebasisforthetimeslistedinTable4.8-2.Thebatterychargerwillbedisconnectedthroughoutthetest.COOKNUC~~PLANT-UNIT23/48-13AM~MEZZNO.f/),f39

~Ei,ECTRICALPO}yIERSYSTEMSSURVEILLANCEREUIREMENTSContinuede.Atleastonceper60months,performabatterydischargetestduringshutdown(H00666or6),byverifyingthatthebatterycapacityisatleast80Kofthemanufacturer'srating.Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest./Refuelingoutagerdischargetestssbaaabtl~begiventoanybauerythatsftovvsstgnofdegradationorhasreached85%oftheservicelifeexpectedfortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10%ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow90%ofthemanufacturer'srating.~ssIo~~~~v~re~'iya~'D.CCOOK-UNIT23/48-14AMENDMENTNO.112

TABLE4.8"2BATTERYEMERGENCYLOADSABBatterLoads1-ChannelIIIstaticinverter2.ChannelIVstaticinverterAllGo~IG'Irc's+S3.4.Bopstaticinverter*5.Feedpumpturbine2Eoilpump6.Controlroomemergencylighting7.Hainturbineemergencyoilpump.8.IsolationvalvecontrolMinimumTimerP'rs+ghrs4ghrs+P'rs1hr+P'rsIP'hrg..+PhrsssCDBatterLoads1.ChannelIstaticinverter\2.ChannelIIstaticinverter3.Feedpumpturbine2Moilpump4.Generatorsealoilpump5.'ainturbineemergencyoilpump6.Isolationvalves7.Annunciators8.AllcontrolcircuitsPghr's+ghrs1hr+tlhrst8hrj+8'rs+Phrs4PhrsACpowersourcestotheinvertersshallbeturnedoffatthestartofthetestandmaybeturnedonattheendofthespecifiedtimeinterval.Invertersmaybeleftinthisoperatingmodeforthedurationofthedischargetest.D.C.COOK-UNIT23/48-15AMENDMENTNO.3J.2 EL""CTRICALPOWERSYSTEMSSURVEILLANCEUIRE2KNTSContinued3.Thepilotcellvoltageisgreaterthanorequalto2.13volts,andTheoverallbatteryvoltageisgreaterthaxxorequalto250volts.b.Atleastonceper92daysbyverifyingthat:1.Thevoltageofeachconnectedcellisgreaterthanorequalto2.13voltsunderfloatcharge.2.Thespecificgravity,correctedto77Fandfullelectrolytelevel(fluidatthebottomofzhemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequal.to1.200andhasnotdecreasedmox'ethan0.03fzomthevalueobsezvedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcelli.sbetweenthatopoftheminimumlevelindicationmarkandthebottomofthemaximumlevelindicationmark.C.Atleastoncepex;18monthsbyverifyingthat:1.Thecells,cellplatesandbatteryracksshownovisualindicati.onofphysicaldamageorabnormaldeteri.oration.2.Thecell-to-cellandterminalconnecti,onsareclean,tight,freeofcorrosionandcoatedwithanti.-corrosionmaterial.3.Thebatterychargerwillsupplyatleast10ampexesatgreatez'hanozequalto250voltsforatleast4hours.d.Atleastonceper18monthsperformabatteryservicetest,duringshutdown(MODES5or6),byverifyingthatthabatterycapacityisadequatetosupplyandmaintaininOPERABLEstatustheactualorsimulatedemergencyloadsforthetimesspecifiedofTable4.8-3withthebatterychargerdisconnected.Thebatteryterminalvoltageshallbemaincai.nedgreaterthanorequalto210voltsthroughoutthebatteryservicetest.e.Atleastonceper60monthsperformabatter'ydischargetestduringshutdown(MODES5or6),byverifyingthattheattezycapacityisatleast80%ofthamanufacturer'srating.Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest.COOKNUCLEARPIANT-UNIT23/48-18AMENDMENTNO..IT2,139>Refuelingoutage~dischargetestsbegiventoanybatterythatshowssignofdegradationorhasreached85%oftheservicelifeexpected.fortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10%ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow90%ofthemanufacturer'srating.~

TABLE4.8-3BATTERYEMERGENCYLOADS"H"BatterLoadsAuxiliaryfeedwaterturbinecontrolbusFMO-211valveFMO-221valveFMO-231valveFMO-241valveTDTVva1veMinimumTime4hours4.~howrS'~hi~(sPMhuarfcf-~hou!)f'I~bode"Valves2.3.willbeoperatedthroughthefollowingsequence:Beginningoftest:openvalvesTenminutesaftervalves.Fiveminutesafterthebegi~inthetest:closethevalves.~pK'beginningofthetest:reopenthe4.Fourursafterthebeginningofthetest:closethevalves.Endofthetest.D.C.COOK"UNIT23/48-19AMENDMENTNO.~2 3/4.8ELECTRICALPOWERSYSTEMSBASESTheOPERABILITYoftheA.C.andD.C.powersourcesandassociateddistributionsystemsduringoperationensuresthatsufficientpowerwillbeavailabletosupplythesafetyrelatedequipmentrequiredfor1)thesafeshutdownofthefacilityand2)themitigationandcontrolofaccidentconditionswithinthefacility.TheminimumspecifiedindependentandredundantA.C.'ndD.C.powersourcesanddistributionsystemssatisfytherequirementsofGeneralDesignCriteria17ofAppendix"A"to10CFR'50.TheACTIONrequirementsspecifiedforthelevelsofdegradationofthepowersourcesproviderestrictionuponcontinuedfacilityoperationcommensuratewiththelevelofdegradation.TheOPERABILITYofthepowersourcesareconsistentwiththeinitialconditionassumptionsoftheaccidentanalysesandarebaseduponmaintainingatleastoneredundantsetofonsiteA.C.andD.C.powersourcesandassociateddistributionsystemsOPERABLEduringaccidentconditionscoincidentwithanassumedlossofoffsitepowerandsinglefailureoftheotheronsiteA.C.source.TheOPERABILITYoftheminimumspecifiedA.C.andD.C.powersourcesandassociateddistributionsystemsduringshutdownandrefuelingensuresthat1)thefacilitycanbemaintainedintheshutdownorrefuelingconditionforextendedtimeperiodsand2)sufficientinstrumentationandcontrolcapabilityisavailableformonitoringandmaintainingthefacilitystatus.ThetrainNstationbatterysystemprovidesanindependent250voltDCpowersupplyforpowerandcontroloftheturbinedrivenauxiliaryfeedwaterpumptrain.ThelimitingconditionsofoperationforthetrainNbatteryareconsistentwiththerequirementsoftheauxiliaryfeedwatersystem.ThesurveillancerequirementsforthetrainNbatterysystemareconsistentwiththerequirementsoftheABandCDstationbatteries.ThetrainNbatteryloadsarederivedfromequipmentintheturbinedrivenauxiliaryfeedwaterpumptrainandbatterysizingisconsistentwiththefunctionalrequirementsofthesecomponents.Simulatedloadsforbatterytestsareloadsequivalenttomeasuredactualloads.~TheABandCDstationbatterysystemsprovideareliablesourceofcontinuouspowerforsupplyandcontrolofplantloadssuchasswitchgear6annunciatorcontrolcircuits,staticinverters,valvecontrolcenters,emergencylightingandmotorcontrolcenters.ThedesigndutycyclesofthesebatteriesarecompositeloadprofilesresultingfromthecombinationofthethreehourLossOfCoolantAccident/LossOfOffsitePowerbatteryloadprofilesandthefourhourStationBlackout;batteryloadprofiles9D.C.COOK-UNIT2B3/48-1AmendmentNo.72 Attachment2toAEP:NRC:0896SProposedTechnicalSpecificationsforDonaldC.CookNuclearPlantUnits1and2 ELECTRICALPOWERSYSTEMSSURVEILLANCEREUIREMENTSContinued2~0Thepilotcellspecificgravity,correctedto77F,andfullelectrolytelevel(fluidatthebottomofthemaximumlevelindicationmark),isgreaterthanorequalto1.200,3.Thepilotcellvoltageisgreaterthanorequalto2.13volts,and4.Theoverallbatteryvoltageisgreaterthanorequalto250volts.b.Atleastonceper92daysbyverifyingthat:2.Thevoltageofeachconnectedcellisgreaterthanorequalto2.13voltsunderfloatcharge.'he'pecificgravity,correctedto77F,andfullelectrolyte0level(fluidatthebottomofthemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequal'o1.200andhasnotdecreasedmorethan0.03fromthevalueobservedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcellisbetweenthetopoftheminimumlevelindicationmarkandthebottomofthemaximumlevelindicationmark.C.Atleastonceper18monthsbyverifyingthat:Thecells,cellplatesandbatteryracksshownovisualindicationofphysicaldamageorabnormaldeterioration,2.Thecell-to-cellandterminalconnectionsareclean,tight,freeofcorrosionandcoatedwithanti-corrosionmaterial,3.Thebatterychargerwillsupplyatleast140amperesatgreaterthanorequalto250voltsforatleast4hours.Atleastonceper18months,performabatteryservicetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisadequatetosupplyandmaintaininOPERABLEstatustheactualorsimulatedemergencyloadsforthedesigndutycyclewhichisbasedonthecompositeloadprofile.ThecompositeloadprofileenvelopesboththeLOCA/LOOPandStationBlackoutprofilesandprovidesthebasisforthetimeslistedinTable4.8-2.Thebatterychargerwillbedisconnectedthroughoutthetest.Thebatteryterminalvoltageshallbemaintainedgreaterthanorequalto210voltsthroughoutthistest.COOKNUCLEARPLANT-UNIT13/48-13AMENDMENTNO.ARE,-455 ELECTRICALPOWERSYSTEMSSURVEILLANCEREUIREMENTSContinuede.Atleastonceper60months,performabatteryservicetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisatleast80$ofthemanufacturer'srating.Refuelingoutagedischargetestsshallbegiventoanybatterythatshowssignofdegradationorhasreached85%oftheservicelifeexpectedfortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10%ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow908ofthemanufacturer'srating.Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest.COOKNUCLEARPLANT-UNIT13/48-14AMENDMENTNO.

TABLE48-2BATTERYEMERGENCYLOADSABBetteLoadsMinimumTime1.ChannelIIIstaticinverter2.ChannelIVstaticinverter3.Allcontrolcircuits4.Feedpumpturbine1Eoilpump5.Controlroomemergencylighting6.Mainturbinebackupoilpump7.Isolationvalvecontrol4hrs4hrs4hrs1hr4hrs1hrs4hrsCDBetteLoads1.ChannelIstaticinverter2.ChannelIIstaticinverter3.BOPstaticinverter*4.Feedpumpturbine1Woilpump5.Generatorsealoilpump6.Turbineemergencyoilpump7.Isolationvalves8.Annunciators9.Allcontrolcircuits4hrs4hrs4hrs1hr4hrs1hrs4hrs4hrs4hrs*ACpowersourcestotheinvertersshallbeturnedoffatthestartofthetestandmaybeturnedonattheendofthespecifiedtimeinterval.Invertersmaybeleftinthisoperatingmodeforthedurationofthedischargetest.COOKNUCLEARPLANT-UNIT13/48-15AMENDMENTNO.

ELECTRICALPOWERSYSTEMSSURVEILLANCEREUIREMENTSContinued3.Thepilotcellvoltageisgreaterthanorequalto2.13volts,and4.Theoverallbatteryvoltageisgreaterthanorequalto250volts.b.Atleastonceper92daysbyverifyingthat:2~Thevoltageofeachconnectedcellisgreaterthanorequalto2.13voltsunderfloatcharge.Thespecificgravity,correctedto77Fandfullelectrolyte0level(fluidatthebottomofthemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequalto1.200andhasnotdecreasedmorethan0.03fromthevalueobservedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcellisbetweenthetopoftheminimumlevelindicationmarkandthebottomofthemaximumlevelindicationmark.c.Atleastonceper18monthsbyverifyingthat:Thecells,cellplatesandbatteryracksshownovisualindicationofphysicaldamageorabnormaldeterioration,2.Thecell-to-cellandterminalconnectionsareclean,tight,freeofcorrosionandcoatedwithanti-corrosionmaterial.3.Thebatterychargerwillsupplyatleast10amperesatgreaterthanorequalto250voltsforatleast4hours.d.Atleastonceper18monthsperformabatteryservicetest,duringshutdown(MODES5or6),byverifyingthatthebatterycapacityisadequatetosupplyandmaintaininOPERABLEstatustheactualorsimulatedemergencyloadsforthetimesspecifiedofTable4.8-3withthebatterychargerdisconnected.Thebatteryterminalvoltageshallbemaintainedgreaterthanorequalto210voltsthroughoutthebatteryservicetest,e.Atleastonceper60monthsperformabatterydischargetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisatleast80%ofthemanufacturer'srating.Refuelingoutagedischargetestsshallbegiventoanybatterythatshowssignofdegradationorhasreached85%oftheservicelifeexpectedfortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10$ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow90%ofthemanufacturer'srating.Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest.COOKNUCLEARPLANT-UNIT13/48-18AMENDMENTNO.

TABLE4.8-3BATTERYEMERGENCYLOADS"N"BatteLoadsMinimumTimeAuxiliaryfeedwaterturbinecontrolbusFMO-211valveFMO-221FMO-231FMO-241TDTV4hours4hours4hours4hours4hours4hoursCOOKNUCLEARPLANT-UNIT13/48-19AMENDMENTN0.48$

3/4.8ELECTRICALPOVERSYSTEMSBASESTheOPERABILITYoftheA.C.andD.Cpow'ersourcesandassociateddistributionsystemsduringoperationensuresthatsufficientpowerwillbeavailabletosupplythesafetyrelatedequipmentrequiredfor1)thesafeshutdownofthefacilityand2)themitigationandcontrolofaccidentconditionswithinthefacility.TheminimumspecifiedindependentandredundantA.C.andD.C.powersourcesanddistributionsystemssatisfytherequirementsofGeneralDesignCriteria17ofAppendix"A"to10CFR50.TheACTIONrequirementsspecifiedforthelevelsofdegradationofthepowersourcesproviderestrictionuponcontinuedfacilityoperationcommensuratewiththelevelofdegradation.TheOPERABILITYofthepowersourcesareconsistentwiththeinitialconditionassumptionsoftheaccidentanalysesandarebaseduponmaintainingatleastoneofeachoftheonsiteA.C.andD.C.powersourcesandassociateddistributionsystemsOPERABLEduringaccidentconditionscoincidentwithanassumedlossofoffsitepowerandsinglefailureoftheotheronsiteA.C.source.TheOPERABILITYoftheminimumspecifiedA.C.andD.C.powersourcesandassociateddistributionsystemsduringshutdownandrefuelingensuresthat1)thefacilitycanbemaintainedintheshutdownorrefuelingconditionforextendedtimeperiodsand2)sufficientinstrumentationandcontrolcapabilityisavailableformonitoringandmaintainingthefacilitystatus.TheABandCDstationbatterysystemsprovideareliablesourceofcontinuouspowerforsupplyandcontrolofplantloadssuchasswitchgearandannunciatorcontrolcircuits,staticinverters,valvecontrolcenters,emergencylightingandmotorcontrolcenters.ThedesigndutycyclesofthesebatteriesarecompositeloadprofilesresultingfromthecombinationofthethreehourLossOfCoolantAccident/LossOfOffsitePowerbatteryloadprofilesandthefourhourStationBlackoutbatteryloadprofiles.ThetrainNstationbatterysystemprovidesanindependent250voltDCpowersupplyforpowerandcontroloftheturbinedrivenauxiliaryfeedwaterpumptrain.ThelimitingconditionsofoperationforthetrainNbatteryareconsistentwiththerequirementsoftheauxiliaryfeedwatersyst'm.ThesurveillancerequirementsforthetrainNbatterysystemareconsistentwiththerequirementsoftheABandCDstationbatteries.ThetrainNbatteryloadsarederivedfromequipmentintheturbinedrivenauxiliaryfeedwaterpumptrainandbatterysizingisconsistentwiththefunctionalrequirementsofthesecomponents.Simulatedloadsforbatterytestsareloadsequivalenttomeasuredactualloads.COOKNUCLEARPLANT-UNIT1B3/48-1AMENDMENTNO.

aELECTRICALPOWERSYSTEMSSURVEILLANCEREUIREMENTSContinued2.0Thepilotcellspecificgravity,correctedto77F,andfullelectrolytelevel(fluidatthebottomofthemaximumlevelindicationmark),isgreaterthanorequalto1.200,3.Thepilotcellvoltageisgreaterthanorequalto2.13volts,and4.Theoverallbatteryvoltageisgreaterthanorequalto250volts.b.Atleastonceper92daysbyverifyingthat:2.Thevoltageofeachconnectedcellisgreaterthanorequalto2.13voltsunderfloatcharge.Thespecificgravity,correctedto77F,andfullelectrolyte0level(fluidatthebottomofthemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequalto1.200andhasnotdecreasedmorethan0.03fromthevalueobservedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcellisbetweenthetopoftheminimumlevelindicationmarkandthebottomofthemaximumlevelindicationmark.C.Atleastonceper18monthsbyverifyingthat:Thecells,cellplatesandbatteryracksshownovisualindicationofphysicaldamageorabnormaldeterioration.2.Thecell-to-cellandterminalconnectionsareclean,tight,freeofcorrosionandcoatedwithanti-corrosionmaterial.3.Thebatterychargerwillsupplyatleast140amperesatgreaterthanorequalto250voltsforatleast4hours.d.Atleastonceper18months,performabatteryservicetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisadequatetosupplyandmaintaininOPERABLEstatustheactualorsimulatedemergencyloadsforthedesigndutycyclewhichisbasedonthecompositeloadprofile.ThecompositeloadprofileenvelopsboththeLOCA/LOOPandStationBlackoutprofilesandprovidesthebasisforthetimeslistedinTable4.8-2.Thebatterychargerwillbedisconnectedthroughoutthetest.Thebatteryterminalvoltageshallbemaintainedgreaterthanorequalto210voltsthroughoutthistest.COOKNUCLEARPLANT-UNIT23/48-13AMENDMENTNO.

~~Y ELECTRICALPOWERSYSTEMSSURVEILLANCEREUIREHENTSContinuede.Atleastonceper60months,performabatterydischargetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisatleast808ofthemanufacturer'srating.Refuelingoutagedischargetestsshallbegiventoanybatterythatshowssignofdegradationorhasreached85%oftheservicelifeexpectedfortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10%ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow90$ofthemanufacturer'srating.Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest.COOKNUCLEARPLANT-UNIT23/48-14AMENDMENTNO.~

TABLE48-2BATTERYEMERGENCYLOADSABBatteLoads1.ChannelIIIstaticinverter2.ChannelIVstaticinverter3.Allcontrolcircuits4.Bopstaticinverter*5.Feedpumpturbine2Eoilpump6.Controlroomemergencylighting7.Mainturbineemergencyoilpump8.IsolationvalvecontrolMinimumTime4hrs4hrs4hrs4hrs1hr4hrs1hrs4hrsCDBatteLoads1.ChannelIstaticinverter2.ChannelIIstaticinverter3,Feedpumpturbine2Woilpump4~Generatorsealoilpump5.Mainturbineemergencyoilpump6.Isolationvalves7.Annunciators8.Allcontrolcircuits4hrs4hrs1hr4hrs1hrs4hrs4hrs4hrs*ACpowersourcestotheinvertersshallbeturnedoffatthestartofthetestandmaybeturnedonattheendofthespecifiedtimeinterval.Invertersmaybeleftinthisoperatingmodeforthedurationofthedischargetest.COOKNUCLEARPLANT-UNIT23/48-15AMENDMENTNO.

ELECTRICALPOWERSYSTEMSSURVEILLANCEREUIREMENTSContinued3.Thepilotcellvoltageisgreaterthanorequalto2.13volts,and4,Theoverallbatteryvoltageisgreaterthanorequalto250volts.b.Atleastonceper92daysbyverifyingthat;2.Thevoltageofeachconnectedcellisgreaterthanorequalto2.13voltsunderfloatcharge.Thespecificgravity,correctedto77Fandfullelectrolyte0level(fluidatthebottomofthemaximumlevelindicationmark),ofeachconnectedcellisgreaterthanorequalto1.200andhasnotdecreasedmorethan0.03fromthevalueobservedduringtheprevioustest,and3.Theelectrolytelevelofeachconnectedcellisbetweenthetopoftheminimumlevelindicationmarkandthebottomofthemaximumlevelindicationmark.c.Atleastonceper18monthsbyverifyingthat:Thecells,cellplatesandbatteryracksshownovisualindicationofphysicaldamageorabnormaldeterioration.2.Thecell-to-cellandterminalconnectionsareclean,tight,freeofcorrosionandcoatedwithanti-corrosionmaterial.3.Thebatterychargerwillsupplyatleast10amperesatgreaterthanorequalto250voltsforatleast4hours.d.Atleastonceper18monthsperformabatteryservicetest,duringshutdown(MODES5or6),byverifyingthatthebatterycapacityisadequatetosupplyandmaintaininOPERABLEstatustheactualorsimulatedemergencyloadsforthetimesspecifiedofTable4.8-3withthebatterychargerdisconnected.Thebatteryterminalvoltageshallbemaintainedgreaterthanorequalto210voltsthroughoutthebatteryservicetest.e.Atleastonceper60monthsperformabatterydischargetestduringshutdown(MODES5or6),byverifyingthatthebatterycapacityisatleast80$ofthemanufacturer'srating.Refuelingoutagedischargetestsshallbegiventoanybatterythatshowssignofdegradationorhasreached85%oftheservicelifeexpectedfortheapplication.Degradationisindicatedwhenthebatterycapacitydropsmorethan10%ofratedcapacityfromitscapacityonthepreviousdischargetest,orisbelow90%ofthemanufacturer'srating.Thisperformancedischargetestshallbeperformedinplaceofthebatteryservicetest.COOKNUCLEARPLANT-UNIT23/48-18AMENDMENTNO.448,-439 TABLE48-3BATTERYEMERGENCYLOADS"N"BatteLoadsAuxiliaryfeedwaterturbinecontrolbusFMO-211valveFMO-221valveFMO-231valveFMO-241valveTDTVvalveMinimumTime4hours4hours4hours4hours4hours4hoursCOOKNUCLEARPLANT-UNIT23/48-19AMENDMENTNO,~

348ELECTRICALPOWERSYSTEMSBASESTheOPERABILITYoftheA.C.andD.Cpowersourcesandassociateddistributionsystemsduringoperationensuresthatsufficientpowerwillbeavailabletosupplythesafetyrelatedequipmentrequiredfor1)thesafeshutdownofthefacilityand2)themitigationandcontrolofaccidentconditionswithinthefacility.TheminimumspecifiedindependentandredundantA.C.andD.C.powersourcesanddistributionsystemssatisfytherequirementsofGeneralDesignCriteria17ofAppendix"A"to10CFR50.TheACTIONrequirementsspecifiedforthelevelsofdegradationofthepowersourcesproviderestrictionuponcontinuedfacilityoperationcommensuratewiththelevelofdegradation.TheOPERABILITYofthepowersourcesareconsistentwiththeinitialconditionassumptionsoftheaccidentanalysesandarebaseduponmaintainingatleastoneredundantsetofonsiteA.C.andD.C.powersourcesandassociateddistributionsystemsOPERABLEduringaccidentconditionscoincidentwithanassumedlossofoffsitepowerandsinglefailureoftheotheronsiteA.C.source.TheOPERABILITYoftheminimumspecifiedA.C.andD.C.powersourcesandassociateddistributionsystemsduringshutdownandrefuelingensuresthat1)thefacilitycanbemaintainedintheshutdownorrefuelingconditionforextendedtimeperiodsand2)sufficientinstrumentationandcontrolcapabilityisavailableformonitoringandmaintainingthefacilitystatus.TheABandCDstationbatterysystemsprovideareliablesourceofcontinuouspowerforsupplyandcontrolofplantloadssuchasswitchgearandannunciatorcontrolcircuits,staticinverters,valvecontrolcenters,emergencylightingandmotorcontrolcenters.ThedesigndutycyclesofthesebatteriesarecompositeloadprofilesresultingfromthecombinationofthethreehourLossOfCoolantAccident/LossOfOffsitePowerbatteryloadprofilesandthefourhourStationBlackoutbatteryloadprofiles.ThetrainNstationbatterysystemprovidesanindependent250voltDCpowersupplyforpowerandcontroloftheturbinedrivenauxiliaryfeedwaterpumptrain.ThelimitingconditionsofoperationforthetrainNbatteryareconsistentwiththerequirementsoftheauxiliaryfeedwatersystem.ThesurveillancerequirementsforthetrainNbatterysystemareconsistentwiththerequirementsoftheABandCDstationbatteries.ThetrainNbatteryloadsarederivedfromequipmentintheturbinedrivenauxiliaryfeedwaterpumptrainandbatterysizingisconsistentwiththefunctionalrequirementsofthesecomponents.Simulatedloadsforbatterytestsareloadsequivalenttomeasuredactualloads.COOKNUCLEARPLANT-UNIT2B3/48-1AMENDMENTNO.~

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