ML17324A897

Rev 1 to Procedures Generation Package,Part I,Specific Technical Guidelines for Donald C Cook Nuclear Plant.

ML17324A897
Person / Time
Site:	Cook
Issue date:	05/01/1986
From:	INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17324A896	List: ML17324A895 ML17324A897 ML17324A899 ML17324A900 ML18005A016
References
AEP:NRC:0773Q, AEP:NRC:773Q, PROC-860501, NUDOCS 8605210258
Download: ML17324A897 (126)

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ATTACHMENTTOAEP:NRC:0773QPROCEDURESGENERATIONPACKAGEPARTISPECIFICTECHNICALGUIDELINESFORDONALDC.COOKNUCLEARPLANTREVISION1MAY1,1986860M10258860516PDRADOCK05000315PPDRSSUITtlRYSot,tlVFa~I;III>

01I)I/0I/~I D.C.COOKPLANTSPECIFICTECHNICALGUIOELINESORIGINALISSUEJUNE1984REVISION1APRIL19866924S/042586 D.C.COOKPLANTSPECIFICTECHNICALGUIDELINESTABLEOFCONTENTSSUBJECTPAGE1.INTRODUCTION2.COMPARISONOFSYSTEHDESIGNS3.DISCUSSIONOFANALYSIS4.BASISFORUSINGTHEGENERICWESTINGHOUSEERGs5.METHODFORDEVELOPINGEOPsFROHERGs6.CONCLUSIONAPPENDIXA-COMPARISONOFSYSTEHDESIGNSAPPENDIXB-DETAILEDCOMPARISONOFSYSTEHDESIGNSAPPENDIXC-ERGs,REVISION1LISTINGAPPENDIXD-EOPBACKGROUNDDOCUHENTATIONFORH121316304043(Revisionsmadetotheoriginaldocumentareindicatedbymarginbars.)6924S/042586 1.INTRODUCTIONThedevelopmentofplant-specifictechnicalguidelinesisoneofthefourelementsoftheProceduresGenerationPackage,whichisrequiredbyNUREG-0899andSupplement1toNUREG-0737.FortheD.C.CookNuclearPlantUnit1,thegenericWestinghouseEmergencyResponseGuidelines(ERGs),Revision1willbeusedasthebasisforwritingtheplantspecificEmergencyOperatingProcedures(EOPs).ThisdocumentdescribesthemethodofdevelopingplantspecificEOPsfromthegenericWestinghouseERGsfortheD.C.CookNuclearPlantUnitl.Also,plantspecificinformationfortheD.C.Cookplant,whichhighlightsdifferencesfromthegenericWestinghouseERGs,isincludedinthisdocument.i6924S/042586 2.COHPARISONOFSYSTEMDESIGNSDuringthedevelopmentofthegenericWestinghouseEmergencyResponseGuidelines(ERGs),agenericreferenceplantdesignconfigurationwasassumed,andthetechnicalcontentincludedintheERGsisbaseduponthereferenceplantdesign.Thefollowingsystemsareincludedinthereferenceplant:ReactorTripActuationSystemESFActuationSystemNuclearInstrumentationSystemControlRodInstrumentationSystemContainmentInstrumentationSystemReactorCoolantSystemChemical&VolumeControlSystemSafetyInjectionSystemResidualHeatRemovalSystemRadiationHonitoringSystemContainmentSpraySystemContainmentAtmosphereControlSystemComponentCoolingWaterSystemServiceWaterSystemMainFeedwaterandCondensateSystemHainSteamSystemAuxiliaryFeedwaterSystemSteamGeneratorBlowdownSystemSamplingSystemSpentFuelStorageandCoolingSystemControlRodDriveMechanismCoolingSystemControlRodControlSystemTurbineControlSystemElectricPowerSystemPneumaticPowerSystem6924S/042586 Qi 2.COMPARISONOFSYSTEMDESIGNS(Cont.)ToaidinthedevelopmentoftheplantspecificEOPsforthe0.C.Cookplant,acomparisonoftheabovesystemsfromanemerencoerations11..111111d.11comparisonwillbedoneinasystematicandcompletemannerbyreviewingalloftheabovesystems.Thepurposeofthecomparisonistoidentifyareasofthe0.C.Cookplantwhicharedifferentfromthereferenceplantfromthestandointofemerencsstemoerations,andthustheseareaswillbeexplicitlyconsideredandincludedasappropriateduringthedevelopmentoftheD.C.CookEOPs.Thecomparisonforeachsystemfollows.AppendixAwasdevelopedtoprovideadetailedcomparisonofeachsystembaseduponitsuseintheERGs.AppendixBprovidesamoredetailedcomponentlevelcomparisonrelativetotheRevision1referenceplant.AppendicesAandBshouldbereferredtoduringthefollowingcomparisonofeachsystem.REACTORTRIPACTUATIONSYSTEMThefunctionoftheReactorTripActuationSystem(RTAS)istomonitorspecifiedprocessparametersandequipmentstatusandtoactuatereactortripifconditionsexceedspecifiedlimits.Fromthestandpointofemergencyoperations,theRTASisthesamefortheD.C.Cookandreferenceplant.ESFACTUATIONSYSTEMThefunctionoftheESFActuationSystem(ESFAS)istomonitorspecifiedprocessparametersandtoactuateengineeredsafetyfeatures(ESF)operationifconditionsexceedspecifiedlimits.Fromthestandpointofemergencyoperations,theESFASisthesamefortheD.C:Cookandreferenceplant.6924S/042586

2.COHPARISONOFSYSTEHDESIGNS(Cont.)NUCLEARINSTRUHENTATIONSYSTEHThefunctionoftheNuclearInstrumentationSystem(NIS)istomonitoranddisplaythereactivitystateofthereactorcore.Fromthestandpointofemergencyoperations,theNISisthesamefortheD.C.Cookandreferenceplant.CONTROLRODINSTRUMENTATIONSYSTEHThefunctionoftheControlRodInstrumentationSystem(GRIS)istomonitoranddisplaythepositionofthereactorcorecontrolrods.Fromthestandpointofemergencyoperations,theGRISisthesamefortheD.C.Cookandreferenceplant.CONTAINMENTINSTRUHENTATIONSYSTEHThefunctionoftheContainmentInstrumentationSystem(CIS)istomonitortheenvironmentalconditionandisolationstatusofthecontainment.Fromthestandpointofemergencyoperations,theCISisthesamefortheD.C.Cookandreferenceplant.REACTORCOOLANTSYSTEMThefunctionoftheReactorCoolantSystem(RCS)istotransferheatfromthereactorcoretothemainsteamsystemorresidualheatremovalsystemtoprovideabarrieragainstthereleaseofreactorcoolantorradioactivematerialtothecontainmentenvironment.Fromthestandpointofemergencyoperations,theRCSisthesamefortheD.C.Cookandreferenceplant.6924S/042586

2.COMPARISONOFSYSTEHDESIGNS(Cont.)CHEMICALANDVOLUHECONTROLSYSTEHThefunctionoftheChemicalandVolumeControlSystem(CVCS)systemistoprovidecoolanttothereactorcoolantsystemandtoprovidereactivitycontrolfornormaloperationsandanyeventthatdoesnotrequireengineeredsafetyfeaturesoperation.Fromthestandpointofemergencyoperations,the'VCSisthesamefortheD.C.Cookandreferenceplant.SAFETYINJECTIONSYSTEHThefunctionoftheSafetyInjectionSystem(SIS)istoprovidecoolanttothereactorcoolantsystemandtointroducenegativereactivityorrestricttheadditionofpositivereactivityforeventsthatrequireengineeredsafetyfeaturesoperation.Fromthestandpointofemergencyoperations,theSISisthesamefortheD.C.CookandreferenceplantexceptforSubsystemCasshowninAppendixA.RESIDUALHEATREMOVALSYSTEHThefunctionoftheResidualHeatRemovalSystem(RHRS)istoremoveresidualheatfromthereactorcoolantsystemduringplantshutdownoperationsatlowreactorcoolantsystempressures.Fromthestandpointofemergencyoperations,theRHRSisthesamefortheD.C.Cookandreferenceplant.RADIATIONHONITORINGSYSTEHThefunctionoftheRadiationHonitoringSystem(RMS)istomonitortheradiationlevelsinspecifiedprocesssystemsandspecifiedareasinternalandexternaltotheplant.Fromthestandpointofemergencyoperations,theRHSisthesamefortheD.C.Cookandreferenceplant.6924S/042586 2.COHPARISONOFSYSTEHOESIGNS(Cont.)CONTAINMENTSPRAYSYSTEHThefunctionoftheContainmentSpraySystem(CSS)istoprovidecontainmentpressuresuppressionandairbornefissionproductremovalforeventsthatrequireengineeredsafetyfeaturesactuation.The0.C.CookdesignisdifferentfromthereferenceplantasshowninAppendixAandthesedifferencesshouldbeincorporatedduringthewritingoftheEOPs.CONTAINMENTATMOSPHERECONTROLSYSTEHThefunctionoftheContainmentAtmosphereControlSystem(CACS)istoprovidecontainmentheatremovalandcombustiblegasmixturecontrol.'he0.C.CookdesignissignificantlydifferentfromthereferenceplantasshowninAppendixAandthesedifferencesshouldbeincorporated,duringthewritingoftheEOPs.COMPONENTCOOLINGWATERSYSTEHThefunctionoftheComponentCoolingWaterSystem(CCWS)istoprovideheatremovalfromsystemprocessandequipmentviaanintermediateclosed-loopsystem.Fromthestandpointofemergencyoperations,theCCWSisthesameforthe0.C.Cookandreferenceplant.SERVICEWATERSYSTEHThefunctionoftheServiceWaterSystem(SWS)istoprovideheatremovalfromsystemprocessesandequipmenttotheultimateheatsinkviaanopen-loopsystem.Fromthestandpointofemergencyoperations,theSWSisthesameforthe0.C.Cookandreferenceplant.6924S/042586 2.COHPARISONOFSYSTEHDESIGNS(Cont.)HAINFEEDWATERANDCONDENSATESYSTEHThefunctionoftheHainFeedwaterandCondensateSystem(HFCS)istoprovidewatertothesecondarysideofthesteamgeneratorsduringplantpoweroperations.Fromthestandpointofemergencyoperations,theHFCSisthesamefortheD.C.CookandreferenceplantwiththeexceptionofthefeedwaterflowcontrolbypassvalvesasshownbyAppendixA.AUXILIARYFEEDWATERSYSTEHThefunctionoftheAuxiliaryFeedwaterSystem(AFS)istoprovidecoolanttothesecondarysideofthesteamgeneratorsduringplantshutdownoperationsandforeventsthatrequireengineeredsafetyfeaturesoperations.Fromthestandpointofemergencyoperations,theAFSisthesamefortheD.C.Cookandreferenceplant.HAINSTEAHSYSTEHThefunctionoftheHainSteam.System(MSS)istoprovidecontrolledheatremovalfromthereactorcoolantsystemviathesteamgenerators.Fromthestandpointofemergencyoperations,theHSSisthesamefortheD.C.CookandreferenceplantwiththeexceptionofthebypassvalvesasshownbythecomparisongiveninAppendixA.STEAHGENERATORBLOWDOWNSYSTEHThefunctionoftheSteamGeneratorBlowdownSystem(SGBS)istoprovideletdownfromthesecondarysideofthesteamgenerators.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.6924S/042586 2.COHPARISONOFSYSTEHDESIGNS(Cont.)SAHPLINGSYSTEHThefunctionoftheSamplingSystem(SS)istoprovideameansforsamplingprocesssystems.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.SPENTFUELSTORAGEANDCOOLINGSYSTEHThefunctionoftheSpentFuelStorageandCoolingSystem(SFSCS)istocontrolfuelstoragepositionstoensureasubcriticalgeometricconfigurationandtoprovideheatremovaltomaintai'nstoredfuelwithinspecifiedtemperaturelimits.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.CONTROLRODDRIVEMECHANISMCOOLINGSYSTEHThefunctionoftheControlRodDriveHechanismCoolingSystem(CRDHCS)istoprovideheatremovalfromthecontrolroddrivemechanisms.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.CONTROLRODCONTROLSYSTEMThefunctionoftheControlRodControlSystem(CRCS)istocontrolthepositionofthecontrolrodsinthereactorcore.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.TURBINECONTROLSYSTEHThefunctionoftheTurbineControlSystem(TCS)istocontroltheturbine-generator.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.6924S/042586

2.COHPARISONOFSYSTEHDESIGNS(Cont.)ELECTRICALPOWERSYSTEHThefunctionoftheElectricalPowerSystem(EPS)istoprovideacanddc.electricalpowertoequipmentthatrequireelectricalpowertoaccomplishtheirfunctions.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.PNEUHATICPOWERSYSTEHThefunctionofthePneumaticPowerSystem(PPS)istosupplypneumaticpower(typicallycontrolair)toequipmentthatrequirepneumaticpowertoaccomplish.theirfunctions.Fromthestandpointofemergencyoperations,theD.C.Cookdesignisthesameasthereferenceplant.6924S/04258610 3.DISCUSSIONOFANALYSISThe0.C.CookPlantdesignhasbeenreviewedwithrespecttothereferenceplantanalyseswhichwereperformedtosupportthedevelopmentofthegenericERGs.Thisreviewhasconfirmedthatthereferenceanalysesareapplicabletothe0.C.CookPlantandthatnoadditionalanalysisisrequiredtosupporttheuseoftheERGsindevelopingplantspecificproceduresforthe0.C.CookPlant.Thereferenceplantformanyoftheanalysesisastandard4-loopnon-UHIplant,buttheanalysesareintendedtobegenericandapplicabletoallWestinghouse-designedcommercialPWRplantstothemaximumextentpracticable.Sincethe0.C.CookPlantissimilartothereferenceplant,manyoftheanalysesaredirectlyapplicabletoD.C.Cook.Althoughthe0.C.CookPlanthasanicecondensercontainmentsystemcomparedtothedrycontainmentsystemforthereferenceplant,thisdifferencedoesnotaffecttheapplicabilityoftheanalysesfor0.C.Cook.Atthesametime,notethattheseicecondenserdesignfeatureshavebeenincorporatedintothe0.C.CookEOPs.ForthosecaseswheretheanalysisisnotdirectlyapplicabletotheD.C.CookPlant,acomparisonofthesystemdesignandplantparametersdemonstratesthatthereferenceanalysesareboundingforthe.-0.C.CookPlant,andthattheconclusionsareapplicabletotheD.C.CookPlant.(AnalysesperformedforafourloopreferenceplantwereconsideredtobedirectlyapplicabletotheDCCNPwithoutanyadditionalevaluation.ReferencesanalysesperformedforathreeloopplantrequiredanevaluationofsystemdesignsandplantparameterstodemonstratethattheanalysisresultswereboundingforDCCNP.)6924S/042586

4.BASISFORUSINGTHEGENERICWESTINGHOUSEERGsTothegreatestpracticableextent,theWestinghouseEmergencyResponseGuidelines(ERGs)havebeenconstructedtobegenericandapplicabletoallWestinghouse-designedcommercialPWRplants.ItcanbeseenfromthecomparisonmadeinSection2thattheD.C.Cookplantisverysimilartothereferenceplant,whichwasusedasthebasisfordevelopingtheERGs.Also,asnotedintheanalysisdiscussionprovidedinSection3,theanalysisperformedtosupportthegenericERGsisalsoapplicabletotheD.C.Cookplant,andnoadditionalanalysisisrequired.Therefore,theD.C.CookEOPswillbebaseduponthegenericWestinghouseERGs,HP-Revision1.WhenwritingtheEOPs,modificationstoERGstepsmustbemadetoaccountfortheD.C.CookplantdesigndifferenceswhicharedelineatedinSection2.6924S/042586 5.METHODFORDEVELOPINGEOPsFROMERGs5.1GeneralThegenericWestinghouseEmergencyResponseGuidelines(ERGs),Revision1willbeusedasthebasisforwritingtheEOPsfortheD.C.CookNuclearPlantUnitl.AfinallistoftheRevision1ERGsisincludedasAppendixB.ThissectiondescribesthemethodthatwillbeusedtoconvertthegenericguidelinesintoEOPs.TheEOPwritingteamwillobtainandreviewthefollowingsourcedocumentsforD.C.CookUnit1:WestinghousegenericERGs,Rev.1andbackgrounddocumentsD.C.CookPlantSpecificTechnicalGuidelinesD.C.CookWritersGuideforEOPsTechnicalSpecificationsSetpointsEngineeringFlowDiagramsSystemDescriptionsExistingEOPs(SeeletterAEP-82-604,12/14/82)CalculatedMathematicalValuesusedinEOPs(includedinBackgroundInformationManual)5.3HethodTheEOPwriterswillfollowtheERGsstepbystep.ThewriterwillresearchthesourcedocumentsandthenconstructtheEOPandanassociatedEOPDocumentationForm(AppendixC).ThisD.C.CookBackgroundDocumentationFormwilllisthoweachgenericguidelinestepisusedintheEOPandalsolistanyadditionalstepsaddedtotheEOPwithitsbasis,ifapplicable.Anydifference'etweenthe6924S/04258613 5.3Method(Cont.)ERGstepandtheD.C.Cookstepwillbeexplained.ThisformalongwiththecalculationformathematicalvaluesusedintheEOPswillbekeptintheBackgroundInformationManualfortheD.C.CookEOPs.ThefollowingadditionalinstructionsforwritingtheEOPsandcompletingtheEOPDocumentationFormareprovided.l.IfthegenericstepiscompatiblewiththeD.C.Cookplantdesign,thenthestepshouldbecopiedintotheD.C.CookEOP.SincethetechnicalbasisforthestepisexplainedintheERGBackgroundDocument,thereisnoneedtorepeatthisonthebackgrounddocumentationform.2.WhenanERGstepspecifiesanumericalvaluetobecalculated,thevaluewillbedeterminedandputintotheD.C.CookEOP.Thedocumentationformshouldindicatewherethemethodofderivationislocated.3.WhenanERGsteprequestsplantspecificdetailsoractionstobeaddedtotheprocedure,addtheinformationtotheprocedure.However,iftheoperatoractionsarehighlyroutineorwellwithintheknowledgeoftheoperator,thespecificinformationshouldnotbeincluded.Thereasonforthisshouldbeexplainedonthedocumentationform.4.IftheERGguidelinefailstoidentifyoraddresssystemsoractionsthatareuniquetoD.C.Cook(RefertoAppendixA),thenstepsshouldbeincludedtoencompassthenecessaryactions.Theseshouldbeexplainedonthedocumentationform/5.IfanERGstepspe'cifiesanactionthatcannotbeperformedatD.C.Cook,thestepwillbedeletedormodifiedandthereasonexplainedonthedocumentationform.6924S/042586>4 5.3Hethod(Cont.)6.IfanERGstepismodifiedsuchthattheintentofthestepischanged,thenthebasiswillbeexplainedonthedocumentationform.7.MinormodificationstoERGsstepsareacceptablewithoutextensiveJustificationprovidedthatthechangedoesnotaltertheintentoftheguideline.Examplesofthesetypesofchangesareasfollows:a.Deletionsoflevelofdetail(seeitemg3).b.RewordingofERGstepstoconformtostandardD.C.Cookterminology,abbreviationsandacronyms.c.RearrangingERGstepstostreamlinetheprocedureduetoD.C.Cookcontrolroomdesignandforoperatorconvenience.*Alladditionstoanddeletionsfromgenericguidelineswereverified/validatedaspartoftheEOPverification/validationprogram.Partoftheverification/validationprocedureistochecktheplantspecificprocedureagainstthegenericprocedureandensurethat;alladditionsanddeletionsofinformationaredocumentedandanalyzedandalsothattheorderofsteps(ifchanged)remainswithintheboundsofthestepsequencingtable(partofgenericbackgroundinformation).6924S/04258615 6.CONCLUSIONFortheD.C.CookNuclearPowerStationUnit1,thegenericWestinghouseEmergencyResponseGuidelines{ERGs),Revision1willbeusedasthebasisforwritingtheplantspecificEmergencyOperatingProcedures.ThisdocumentprovidesadescriptionoftheplannedmethodfordevelopingtheD.C.CookEOPsfromthegenericWestinghouseguidelines.Also,deviationsfromthegenericguidelinesfromanemergencyoperationsperspectiveresultingfromdifferencesbetweenthereferenceplantand0.C.Cookdesignshavebeenidentified.Itisintendedthatthisdocumentalongwith0.C.CookWritersGuideforEOPswillbeusedtoaidinthepreparationofthe0.C.CookEOPs.6924S/042586

APPENOIXACOMPARISONOFSYSTEHOESIGNS6924S/04258617 APPENDIXACOMPARISONOFSYSTEMDESIGNSREACTORTRIPACTUATIONSYSTEMReferencePlant0ReactorTr1pS1gnal0TurbineTr1pS1gnalD.C.CookSameSameESFACTUATIONSYSTEMReferencePlant0SIActuationandResetSignals0ContainmentSpraySignal(Hi-3)andReset0FeedwaterIsolationSignalReset0MainSteamlineIsolationSignal0Cont.IsolationPhaseASignalReset0Cont.IsolationPhase8SignalResetD.C.CookSameSameSameSameSame6924S/042586i8 APPENDIXACOHPARISONOFSYSTEHDESIGNSNUCLEARINSTRUHENTATIONSYSTEHReferencePlant0SourceRangeStartupRate0NeutronFluxRecorderD.C.CookSameSameCONTROLRODINSTRUHENTATIONSYSTEHReferencePlant0ControlRodPosition0ControlRodBottomLightsD.C.CookSameSameCONTAINHENTINSTRUHENTATIONSYSTEHReferencePlant0ContainmentPressure0ContainmentTemperature0ContainmentRecirculationSumpLevelD.C.CookSameSameSame6924S/04258619 APPENDIXACOMPARISONOFSYSTEMDESIGNSREACTORCOOLANTSYSTEMReferencePlant04-Loop0Hot8ColdLegRTDBypass0TwoPORVs8AssociatedBlockValves0ThreeCodeSafetyValves0RVHeadVenttoContainment0RVLISD.C.CookSameSameThreePORVsandAssociated(>).BlockValvesSameSameSameCHEMICAL5VOLUMECONTROLSYSTEMReferencePlant0TwoCentrifugalChargingPumpswhicharealsousedforSI0OnePDPump0Charging&RCPSealInjectionusingoneChargingPump0Letdown-RegenerativeHX,LetdownHXtoVCT04XBoricAcidSystem0BoricAcidPumpsSupplyChargingpumpsthrougheithernormalmake-uporEmergencyBorationPathD.C.CookSameSameSameSamel2X,(l)Same6924S/04258620

APPENDIXACOMPARISONOFSYSTEMDESIGNSSAFETYINJECTIONSYSTEMReferencePlant0TwoCharging/SIPumpstakesuctionfromRWSTorLow-HeadSIPumps0Charging/SIPumpsShutoffHead>RCSDesignPressure012KBITisinjectedbyCharging/SIPumpstoall4ColdLegs0BITContentsarecirculatedby2BoronInjectionRecirculationPumpsD.C.CookSameSameSameB.A.TransferPumps(1)Sub'sstemBReferencePlant0TwoHigh-HeadSIPumpswithShutoffHeadof-1600psig0High-HeadSIPumpstakesuctionfromRWSTorLow-HeadSIPumps0SuctionsofCharging/SIandHigh-HeadSIPumpsconnected0High-HeadSIPumpsdeliveryto4ColdLegs(thruaccumulatorlines)andall4HotLegsD.C.CookSameSameSameSame6924S/042586 APPENOIXACOMPARISONOFSYSTEMOESIGNSSubsstemCReferencePlant0TwoLow-HeadSIPumps0Low-HeadSIPumpstakesuctionfromRWSTorContainmentSump0Low-HeadSIPumpsdeliverto4ColdLegsandconcurrentlyfeedChargingSIandHigh-HeadSIPumps(ColdLegRecirculationMode)0Low-HeadSIPumpsdeliverto2HotLegsandconcurrentlyfeedCharging/SIandHigh-HeadSIPumps(HotLegRecirculationMode)0SwitchoverInitiation-AutomaticSumpValveOpening0.C.CookSameSameSameLow-HeadSIPumpsdeliverto4HotLegs(2)SwitchoverInitiation(2)-ManuallyStoppingLowHeadSIPumpsSubsstem0ReferencePlant04AccumulatorTankswithNitrogenCoverGasD.C.CookSameRESIDUALHEATREMOVALSYSTEMReferencePlant0TwoLow-HeadPumps0Low-HeadPumpstakesuctionfromTwoHotLegsandreturnFlowtoFourColdLegs0.C.CookSameOneHotLeg(1)SuctionConnection6924S/04258622 0

APPENDIXACOMPARISONOFSYSTEMDESIGNSRADIATIONMONITORINGSYSTEMReferencePlant0CondenserAirInjectorMonitor0SGBlowdownMonitor0ContainmentAtmosphereMonitor0AuxiliaryBuildingMonitorD.C.CookSameSameSameSameCONTAINMENTSPRAYSYSTEMReferencePlant0TwoLow-HeadContainmentSprayPumps0N/A0N/AD.C.CookSameContainment(~)SprayHeatExchangersRHRSpraytoContainment(4)CONTAINMENTATMOSPHERECONTROLSYSTEMReferencePlant0FourEmergencyFanCoolers0N/A0TwoHydrogenRecombiners-ManualActuation0N/AD.C.CookN/A(AirRecirculationFans(6)(ActuatedonHi-2+10min.)SameHydrogenIgnitors(>)6924S/04258623 APPENDIXACOHPARISONOFSYSTEMDESIGNSAUXILIARYFEEDWATERSYSTEMReferencePlant0TwoHotorDrivenPumps0OneSteamDrivenPump0CondensateStorageTank0AlternateWaterSupply0AFWControlValves.D.C.CookSameSameSameSameSameHAINSTEAHSYSTEHReferencePlant0SteamGeneratorPORVs0SteamGeneratorSafetyValves0CondenserSteamDumpValves0HainSteamlineIsolationValves0HainSteamlineBypassValvesD.C.CookSameSameSameSameLocallyOperated(B)HanualValves6924S/04258624 APPENDIXACOMPARISONOFSYSTEHDESIGNSCOMPONENTCOOLINGWATERSYSTEHReferencePlant0CCWPumps0RCPThermalBarrierValvesD.C.CookSameSameSERVICEWATERSYSTEHReferencePlant0ServiceWaterPumpsD.C.CookSameHAINFEEDWATERANDCONDENSATESYSTEMReferencePlant0FeedwaterFlowControlValves0FeedwaterFlowControlBypassValves0FeedwaterIsolationValvesD.C.CookSameN/A(9)Same6924S/042586

APPENDIXACOHPARISONOFSYSTEHDESIGNSSTEAHGENERATORBLOWDOWNSYSTEHReferencePlant0SGBlowdownIsolationValvesD.C.CookSameSAHPLINGSYSTEHReferencePlant0SGBlowdownSampleIsolationValvesD.C.CookSameSPENTFUELSTORAGEANDCOOLINGSYSTEHReferencePlant0SpentFuelPitlevelD.C.CookSameCONTROLRODDRIVEMECHANISMCOOLINGSYSTEHReferencePlant0ControlRodDriveMechanismFansD.C.CookSame6924S/04258626 APPENDIXACOHPARISONOFSYSTEHDESIGNSCONTROLRODCONTROLSYSTEHReferencePlant0ControlRodsD.C.CookSameTURBINECONTROLSYSTEMReferencePlant0TurbineRunbackD.C.CookSameELECTRICPOWERSYSTEHReferencePlant0Diesel-generatorsD.C.CookSamePNEUHATICPOWERSYSTEMReferencePlant0InstrumentAirCompressor0InstrumentAirValvesD.C.CookSameSame6924S/04258627 APPENDIXACOMPARISONOFSYSTEMDESIGNSFOOTNOTES:(1)NoimpactonthestructureofD.C.CookEOPs.(2)ES-1.3andES-1.4shouldbewrittentoincludetheplantspecifictransfertocoldandhotlegrecirculationprocedure,whichisincludedintheD.C.CookSISSystemDescription.(3)Thecontainmentsprayheatexchangersareutilized,ifneeded,duringtherecirculationphase.Therefore,coolingwatertothecontainmentsprayheatexchangersisrequiredduringtherecirculationphaseofaLOCAwhencontainmentsprayisrequired.ES-1.3,ECA-l.landFR-Z.lshouldbewrittentoincludethisdesignfeature.(4)TheD.C.CookdesignhasspraycapabilityusingtheRHRpumps.RHRsprayshouldbeinitiatedifthecontainmentpressureexceeds8psigfollowingtheinitialblowdown.Also,RHRsprayshouldnotbeuseduntiltheaccidenthasprogressedtothepointwhentheECCSisintherecirculationphase,oratleast30minutesaftertheaccident.RHRsprayisin'additiontothespraysuppliedbythecontainmentspraypumps.TheadditionofRHRspraycapabilityshouldbeincludedintoE-1andFR-Z.1.(5)TheD.C.CookplantdesigndoesnotincludesafetyrelatedcontainmentfancoolersthatautomaticallystartonanSIactuationsignal.Therefore,stepsinE-O,ECA-0.2,ECA-l.landFR-Z.lshouldbemodifiedtodeletetheemergencyfancoolers.6924S/04258628

APPENDIXACOMPARISONOFSYSTEMDESIGNSFOOTNOTES:(Cont.)(6)Thepr1maryfunctionofthea1rrec1rculation/hydrogenskirmersystemistoassurecontainmentpressurereductionafterblowdown.Thisisaccomplishedbycontinuouslycirculatingairfromtheuppertothelowercompartmentimmediatelyafterblowdown.ThesecondaryfunctionofthissystemistopreventtheunlikelyaccumulationofhydrogeninpocketedareaswithinthecontainmentresultingfromaLOCA.TheairrecirculationfansareautomaticallystartedbyaPhase8signalaftera10minutedelay.Theairrecirculation/hydrogenskimersystemshouldbeincludedinE-O,FR-Z.landECA-0.2.(7)TheDistributedIgnitionSystem("hydrogenignitors")isdesignedtoprovideadditionalhydrogencontrolcapabilityintheunlikelyeventofaseveredegradedcorecoolingeventinvolvingthegenerationofsubstantiveamountsofhydrogen.TheDistributedIgnitionSystemshouldbeconsideredforinclusioninE-l,FR-C.l,FR-C.2,FR-Z.1,FR-H.l,FR-I.3,ECA-O.OandECA-0.2.(8)Mainsteamlinebypassvalveoperationoutsidethecontrolroommaybeanimpactandshouldbeevaluated.(9)FeedwaterflowcontrolbypassvalvesarenotincludedintheD.C.Cookplantdesign.Therefore,stepsinE-O,FR-H.2andFR-H.3shouldbemod1fiedtodeletethefeedwaterflowcontrolbypassvalves.6924S/04258629 APPENDIXBDETAILEDCOMPARISONOFSYSTEHDESIGNS6924S/04258630 ITEMAPPENDIX8DETAILEDCOMPARISONOFSYSTEMDESIGNSREUIREMENTSD.C.COOKc(ReactorTriActuationSstemReactorTripAnnunciatorReactorTripandBypassBreakersReactorTripSignalTurbineTripSignalESFActuationSstemSIAnnunciatorSI.SignalSISignalReset/BlockLowSteamlinePressureSIActuationSignalBlockLowPRZRPressureSiActuationSignalBlockContainmentIsolationPhaseASignalContainmentIsolationPhaseASignalResetContainmentIsolation.Phase8SignalResetFeedwaterIsolationSignalReset-ContainmentSpraySignalContainmentSpraySignalResetMainSteamlineIsolationSignalXXXXXX-(2,3)XXXXXXX(4,3)XX6924S/04258631

APPENDIX8(Cont.)DETAILEDCOMPARISONOFSYSTEMDESIGNSITEMREUIREHENTS0.C.COOKI(l)C(l)NuclearInstrumentationSstemPeerRangeNeutronFluxIntermediateRangeNeutronFluxIntermediateRange'StartupRateSourceRangeNeutronFluxSourceRangeStartupRateNeutronFluxRecorderSourceRangeDetectors(Energize)ControlRodInstrumentationSstemControlRodPositionControlRodBottomLightsRadiationInstrumentationSstemContainmentRadiationSGBlowdownRadiationCondenserAirEjectorRadiationAuxiliaryBuildingRadiationSGSteamlineRadiationXXXXX6924S/04258632 APPENDIXB(Cont.)DETAILEDCOMPARISONOFSYSTEMDESIGNSITEMREUIREMENTSD.C.COOKC(')ContainmentInstrumentationSstemContainmentPressureContainmentTemperatureContainmentRecirculationSumpLevelContainmentHydrogenConcentration(Sample)PhaseAContainmentIsolationValvesPhase8ContainmentIsolationValvesContainmentVentilationIsolationDampers-(~)ReactorCoolantSstemRCSPressurePRZRPressureRCSHotLegWideRangeTemperatureRCSColdLegWideRangeTemperatureRCSAverageTemperatureCoreExitTCTemperaturePRZRWaterTemperaturePRZRLevelReactorVesselLiquidInventorySystemReactorCoolantPumpsPRZRPORVsPRZRPORVBlocksValvesPRZRSprayValvesReactorVesselVentValvesPressurizerHeatersXXXXXXXX(RVLIS)XXXXXXXXX(5,3)XXXX6924S/04258633 APPENDIXB(Cont.)DETAILEDCOMPARISONOFSYSTEMDESIGNSITEMREUIREMENTSD.C.COOKc(')SafetInectionSstemBoronIn)ectionTank(BIT)TemperatureRefuelingWaterStorageTank(RWST)LevelCharging/SIFlow.High-HeadSIFlowHigh-HeadSIPumpsAccumulatorIsolationValvesAccumulatorVentValvesBITInletIsolationValvesBITOutletIsolationValvesLow-HeadSIPumpSuctionValvesfromContainmentRecirculationSumpLow-HeadSIPumpSuctionValvesfromRWSTHigh-HeadSIPumpSuctionValvesfromRWSTLow-HeadSIPumpDischargeValvetoRCSHotLegsLow-HeadSIPumpDischargeValvetoRCSColdLegsSIValves~XXXX'XXXXXXXXXXXXXX(11,6)XXX(7,6)X(7,6)ResidualHeatRemovalSstemLow-HeadSI(RHR)FlowLow-HeadSI(RHR)PumpsLow-HeadSI(RHR)PumpSuctionValvesfromRCSXXX(6,17)6924S/04258634 APPENDIX8(Cont.)DETAILEDCOMPARISONOFSYSTEMDESIGNSITEHREUIREHENTSD.C.COOKI(1)C(1)ChemicalandVolumeControlSstemBoricAcidTankTemperature,ChargingFlowRCPSealInjectionFlowLetdownFlowRCPNumber1SealLeakoffFlowRCPNumber1SealDifferentialPressureCharging/SIPumpsPositiveDisplacementChargingPumpCharging/SIPumpSuctionValvesfromRWSTCharging/SIPumpSuctionValvesfromVCTChargingLineIsolationValvesChargingLineFlowControlValveChargingLineHandControlValvePressurizerAuxiliarySprayValveRCPSealInjectionOutsideContainmentIsolationValvesRCPSealReturnOutsideContainmentIsolationValveLetdownIsolationValvesLetdownOrificeIsolationValvesLowPressureLetdownControlValveExcessLetdownIsolationValvesVCTHakeupControlSystemVCTMakeupControlSystem(HodeSelector)XXXXXXXXXXXXXX"XXXXXXXXXXXXXXX-(18)XXXXX(12,3)X6924S/04258635

APPENDIXB(Cont.)DETAILEDCOMPARISONOFSYSTEMDESIGNSITEMREUIREMENTSD.C.COOKI(1)C(1)ComonentCoolinWaterSstemCCWPumpsRCPThermalBarrierCCWReturnInsideContainmentIsolationValveRCPThermalBarrierCCWReturnOutsideContainmentIsolationValveCCWValvesXXServiceWaterSstemServiceWaterPumpsServiceWaterValvesContainmentSraSstemContainmentSprayPumpsContainmentSprayValvesX(8,9)XContainmentAtmoshereControlSstemContainmentVenti1ationIso1ationDampersContainmentFanCoolersHydrogenRecombinersContainmentAirCirculationEquipmentContainmentFiltrationEquipment-(10)X(13,14)6924S/04258636 APPENDIX8(Cont.)DETAILEDCOHPARISONOFSYSTEMDESIGNSITEMD.C.COOK(1)C(1)HainSteamSstemSGPressureSGNarrowRangeLevelSGWideRangeLevelSGPORVsCondenserSteamDumpValvesHainSteamlineIsolationValvesMainSteamlineIsolationBypassValvesSteamSupplyValvesto.Turbine-DrivenAFWPumpTurbineStopValvesXX-(15)XHainFeedwaterandCondensateSstemFWFlowControlValvesFWFlowControlBypassValvesFWIsolationValvesX-(16)XAuxiliarFeedwaterSstemAuxiliaryFeedwaterFlowCondensateStorageTankLevelHDAFWPumpsCondensateStorageTanktoHotwellIsolationValvesAFWValves-(18)6924S/04258637

APPENDIX8(Cont.)DETAILEDCOHPARISONOFSYSTEMDESIGNSITEHD.C.COOK(1)C(SteamGeneratorBlowdownSstemS6BlowdownIsolationValvesSamlinSstemSGBlowdownSampleIsolationValvesSentFuelStoraeandCoolinSstemSpentFuelPitLevelControlRodDriveHechanismCoolinSstemControlRodDriveMechanismFansControlRodControlSstemControlRodsTurbineControlSstemTurbineRunbackElectricPowerSstemDiesel-Generators6924S/04258638 APPENDIXB(Cont.)DETAILEDCOHPARISONOFSYSTEHDESIGNSITEHREUIREHENTSD.C.COOK)CPneumaticPowerSstemInstrumentAirCompressor.InstrumentAirVa1ves6924S/04258639 APPENDIX8COMPARISONOFSYSTEMDESIGNSFOOTNOTES(2)(3)(4)(5)(6)I-Instrumentationrequ1rementscolumnC-ControlrequirementscolumnAn"X"entryindicatesaninstrumentationorcontrolrequ1rementwithinthescopeoftheplantA'-"entry1ndicatesnorequ1rementSIStatusLightNoimpactonthestructureofD.C.CookEOPs.H1-2vs.Hi-3actuationThreePORVsandassoc1atedblockvalves.ES-1.3andES-1.4shouldbewrittentoincludetheplantspecifictransfertocoldandhotlegrecirculationprocedure,whichis1ncludedintheD.C.CookSystemDescript1on.(8)LowheadSIpumpsde11verto4hotlegsThecontainmentsprayheatexchangersareutilized,ifneeded,duringtherecirculat1onphase.Therefore,coolingwatertothecontainmentsprayheatexchangersisrequiredduringtherec1rculat1onphaseofaLOCA,whencontainmentsprayisrequired.ES-1.3,ECA-1.1andFR-Z.lshouldbewrittentoincludethisdesignfeature.TheD.C.CookdesignhasspraycapabilityusingtheRHRpumps.RHRsprayshouldbeinitiatedifthecontainmentpressureexceeds8psigfollowingtheinitialblowdown.Also,RHRsprayshouldnotbeuseduntiltheaccidenthasprogressedtothepointwhenECCSis1ntherecirculationphase,oratleast30minutesaftertheaccident.RHRsprayis1nadditiontothespraysuppl1edbythecontainmentspraypumps.Theadd1tionofRHRspraycapabilityshouldbeincludedintoE-1andFR-Z.l.(10)(12)TheD.C.CookplantdesigndoesnotincludesafetyrelatedcontainmentfancoolersthatautomaticallystartonanSIactuationsignal.Therefore,stepsinE-O,ECA-0.2,ECA-l.landFR-Z.lshouldbemodifiedtodeletetheemergencyfancoolers.LowheadSIpumpsuctionvalvesfromthecontainmentrec1rculationsumpdonotautomaticallyopenonlowRWSTlevel.Switchoverismanuallyin1tiatedafterstoppingthelowheadSIpumps..12wt.Xbor1cacidisusedintheMakeupSystem.6502S/04048640 (13)Theprimaryfunct1onoftheatrrec1rculation/hydrogenskineersystem1stoassurecontainmentpressurereductionafterblowdown.Thisisaccomplishedbycontinuouslycirculatingairfromtheuppertothelowercompartmentimmediatelyafterblowdown.Thesecondaryfunctionofthissystem1stopreventtheunl1kelyaccumulationofhydrogeninpocketedareaswithinthecontainmentfollowingaLOCA.Theairrecirculat1onfansareautomaticallystartedbyaphase8signalaftera10minutedelay.Theairrecirculation/hydrogenskioeersystemshouldbeincludedinE-O,FR-Z.landECA-0.2.(14)TheDistributedIgnitionSystem(hydrogentgnitors)1sdesignedtoprovideadditional,hydrogencontrolcapab111tyintheunlikelyeventofaseveredegradedcorecoolingevent1nvolvingthegenerationofsubstantiveamountsofhydrogen.TheD1stributedIgnitionSystemshouldbeconsideredforinclusion1nE-l,FR-C.l,FR-C.2,FR-Z.l,FR-H.lFR-1.3,ECA-O.OandECA-0.2.(l5)kainsteamlinebypassvalveoperationoutsidethecontrolroommaybean1mpactandshouldbeevaluated.(16)FeedwaterflowcontrolbypassvalvesarenotincludedintheD.C.Cookplantdesign.Therefore,stepsinE-O,FR-H.2andFR-H.3shouldbemodifiedtodeletethefeedwaterflowcontrolbypassvalves.(17)RHRsuctionfromonehotlegconnection(18)Localvalves6502S/040486 APPENDIXCEMERGENCYRESPONSEGUIDELINES,REVISION1LISTING6924S/042586

APPENDIXCEHERGENCYRESPONSEGUIDELINESOPTIHALRECOVERYGUIDELINESE-0ES-0.0ES-0.1ES-0.2ES-0.3ES-0.4ReactorTriporSafetyInjectionRediagnosisReactorTripResponseNaturalCirculationCooldownNaturalCirculationCooldownforSteamVoidinVessel(withRVLIS)NaturalCirculationCooldownforSteamVoidinVessel(withoutRVLIS)E-1ES-1.1ES-1.2ES-1.3ES-1.4LossofReactororSecondaryCoolantSITerminationPost-LOCACooldownandDepressurizationTransfertoColdLegRecirculationTransfertoHotLegRecirculationE-2FaultedSteamGeneratorIsolationE-3ES-3.1ES-3.2ES-3.3SteamGeneratorTubeRupturePost-SGTRCooldownUsingBackfillPost-SGTRCooldownUsingBlowdownPost-SGTRCooldownUsingSteamDumpECA-O.OLossofAllA.C.PowerECA-0.1LossofAllA.C.PowerRecoveryWithoutS.I.RequiredECA-0.2LossofAllA.C.PowerRecoveryWithS.I.RequiredECA-l.lLossofEmergencyCoolantRecirculationECA-1.2LOCAOutsideContainmentECA-2.1UncontrolledDepressurizationofAllSteamGeneratorsECA-3.1SGTRWithLossofReactorCoolant-SubcooledRecoveryDesiredECA-3.2SGTRWithLossofReactorCoolant-SaturatedRecoveryDesiredECA-3.3SGTRWithoutPressurizerPressureControl6924S/04258643

APPENDIXCEMERGENCYRESPONSEGUIDELINESFUNCTIONRESTORATIONGUIDELINESF-0F-o.lF-0.2F-0.3F-0.4F-0.5F-0.6TheCriticalSafetyFunctionStatusTreesSubcriticalityCoreCoolingHeatSinkIntegrityContainmentInventoryFR-S.1FR-S.2ResponsetoNuclearPowerGeneration/ATWSResponsetoLossofCoreShutdownFR-C.lResponsetoInadequateCoreCoolingFR-C.2ResponsetoDegradedCoreCoolingFR-C.3ResponsetoSaturatedCoreCoolingConditionsFR-H.lFR-H.2FR-H.3FR-H.4FR-H.5ResponsetoLossofSecondaryHeatSinkResponsetoSteamGeneratorOverpressureResponsetoSteamGeneratorHighlevelResponsetoLossofNormalSteamReleaseCapabilitiesResponsetoSteamGeneratorLowlevelFR-P.lResponsetoImminentPressurizedThermalShockConditionsFR-P.2ResponsetoAnticipatedPressurizedThermalShockConditionsFR-Z.lResponsetoHighContainmentPressureFR-Z.2ResponsetoContainmentFloodingFR-Z.3ResponsetoHighContainmentRadiationLevelFR-I.1FR-I.2FR-I.3ResponsetoHighPressurizerLevelResponsetoLowPressurizerLevelResponsetoVoidsinReactorVessel6924S/04258644

APPENDIXDD.C.COOKEOPDOCUMENTATIONFORM6924S/04258645 APPENDIXDPage1ofD.C.COOKEOPDOCUMENTATIONFORHEOPNo.TitiePreparedby:Rev.DateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONORBASISFORDIFFERENCE6924S/04258646 D.C.COOKUNIT1DOCUMENTATIONFORHSFOREMERGENCYOPERATINGPROCEDURESBASEDONREVISION1OFTHEWESTINGHOUSEOWNERSGROUPHIGHPRESSUREEMERGENCYRESPONSEGUIDELINES6901S/04248647 Page1of1D.C.COOKEOPSTEPDOCUMENTATIONFORMINTRODUCTIONTheEOPstep.documentationformwasdevelopedforthepurposeofdocumentingthetechnicaldifferencesbetweentheWOGERGsandtheD.C.CookEOPsasdescribedinPart5.3ofthePlantSpecificTechnicalGuidelines.Recordedontheseformsarethetechnicaldifferences,andtheexplanationsorbasesforthem.Thedocumentationformsarecompiledinorderofprocedurenumber,andcanbeusedeffectivelywiththefollowinginformation:1)Whenthe'rearetechnicaldifferencesbetweenagivenEOPanditscorrespondingERG,theEOPstepnumberwillbelistedintheleftcolumnoftheform.ThestepnumberoftherespectiveERGstepwillbelistedinthecentercolumn,andtheexplanationorbasisofthedifferencewillbegivenintherightcolumn.2)AcopyoftheERGsandEOPsmustbeusedinconjunctionwithstepdocumentationformsasasteptextisnotpresentedontheforms.3)ForEOPstepsnotlistedontheforms,therearenotechnicaldifferencesfromtheERGsteps.Therefore,noexplanationorbasesareneeded.(Revisionsmadetotheoriginaldocumentareindicatedbymarginbars)6901S/04248648 Pagelc1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNO.Ol-OHP4023.E-0Rev.TitleReactorTriorSafetInection'Preparedby:K.VictorDateD.C.COOKSTEPNO.5A/ZRERGSTEPNO.5A/EREXPLANATIONOFDIFFERENCEORBASIS~DeletedFWflowcontrolbypassvalvesandaddedFVpumpdischargevalvesperCookdesign~Deletedstep.Nofancoolersinicecondensercontainment.171319cRNO19cRNO18a(4RNO14aRNO~Reversedintentofhighlev'elsteptoclarifyplantspecificsetpointrequirements.Also,noS/6stopvalvebypassvalvesinCookdesign.oIncludedairrecirculation/hydrogenskimmerfanstostepduetoicecondensercontainment.~NoS/GstopvalvebypassvalvesinCookdesign.49 Pagio:D.C.COOKEOPBACKGROUNDDQ"UMENTATIONFORMEOPND.Ol-OHP4023.ES-O.ORediegnosisRev.Preparedby:J.ReddoDateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASISNONE50 Pageic-.1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNO.01WHP4023.ES-0.1.TitleReactorTriResPreparedby:R.starzRev.eD.C.COOKSTEPNO.1cRNO8NoteERGSTEPNO.lcRNOEXPLANATIONOFDIFFERENCEORBASIS~NoS/GstopvalvebypassvalvesinCookdesig:~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreaches541'Ftoallwthecooldownvalvestooperate.51 4

D.C.COOKEOPBACKGROUNDDOCUMNTATIONFORMEOPNO~01-OHP4023.ES-O.TitleNaturalCirculationCooldPreParedby:C.NoranRev.DateD.C.COOKSTEPNO.6NoteERGSTEPNO.IEXPLANATIONOFDIFFERENCEORBASIS~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreaches541'Ftoallowthecooldownvalvestooperate.52 D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNO~OIWHP4023.ES-0.3Rev.Tjt]eNaturalCirculationCooldownwithSteamVoidinVesselW1hISPreparedby:D.DickehuthD.C.COOKSTEPNO.1A/ER,RNOERGSTEPNO.EXPLANATIONOFDIFrERENCEORBASIS~AddedsteptodetermineifRVLISisavailableperutilityrequesttoincorporateinES-0.4.53 9.C.COOKEOPBACKGROUNDDOCUHNTAIONFORMEOPNo.01-OHP4023.ES-0.4Rev.TftjeNaturalCirculationCooldownwSteamVoidPreparedby:J.GibbonsDateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS~AddedsteptodetermineifRVLISisavailableperutilityrequesttoincorporatethisprocedure.54 Page1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.01-OHP4023.E-1Rev.TitleLossofReactororSecondarCoolantPreparedby:R.J.LoiccoloDate2/27/84D.C.COOKERGSTEPNO.STEPNO.EXPLANATIONOFDIFFERENCEORBASIS5b1617Note5b1719boDeletedsubsteptocheckpoweravailablebecauseoperatorverifiedpoweroncepershift.Also,breakerindicationlightsandidentificationareonthecontrolboard.Breakerswi11nottriponanSIsignal.oAddedsteptoturnonhydrogenignitors.oStepaddedduetoplantdesignforRKRspraycapability.oAddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreached541oFtoallowcooldownvalvestooperate.oThisportionofcheckingcircuitbreakersisaccomplishedin19abecausecheckingstatuslightsverifiesvalvesareclosedandbreakersareenergized(closed).6488S/04-86 D.C.COOKEOPBACKGROUNDOOCUM=NTATIONFORMEOPNO~Ol-OHP4023.ES>>l.lT)t1eSZTerminationPreparedby:J.ReddinD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS161729301617~Rewordedstepbecausereferenceplantdidnotaddressminiflowisolationvalves.Also,charginglineheadervalveisusedtoensuresealin)ectionandprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoestablishsealreturnflowarelocalindications.~AddednottoplacesteamdumpcontrolselectorinBYPASSINTERLOCKwhenTavgreaches541'Ftcallowcooldownvalvestooperate.~AddednewsteptorecirculateBIT.ThispreventsmorethanonetankfrombeingoutofspecificationduetodilutionfromBIT.~AddedsteptorealignECCStogivecorrectstatuslightindication.

Page>c.DCCOOKEOPBACKGROUNDDOCUMNTATIONFOP'OPNO~01WHP4023.ES-1.2Rev.TftlePostLocaCooldownandDePreparedby:E.F.TacikDateD.C.COOKSTEPNO.7Note162326ERGSTEPNO.162326EXPLANATIONOFDIFFERENCEORBASIS~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreaches541'Ftoallowcooldownvalvestooperate.~Rewozdedstepbecausereferenceplantdidnotaddressminiflowisolationvalves.Alsocharginglineheadervalveisusedtoensuresealin5ectioriandprotectfromCCPrunout.~AccumulatorisolationvalvesarealwayslockecoutsotheA/ERcolumnwaschangedtorestorepowertotheisolationvalves.~Rewordedhighlevelstepbecausecriteriatoestablishsealreturnflowarealllocalindications.57

Page1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.01-OHP4023.ES-1.3Rev.TitleTransfertoColdLeRecirculationPreparedby:A.3.SabolDate2/27/84D.C.COOKERGSTEPNO.STEPNO.EXPLANATIONOFDIFFERENCEORBASISGeneralGeneraloTheERGguidanceshowingtypicaltaskspertainingtothetransfertocoldlegrecirculationdoesnotapplytotheD.C.Cookdesign.Theprocedurewaswrittenaccordingtoplantdesign.6488S/04-8658

Page1of10.C.COOKEOPBACKGROUNDDOCUMENTATIONFORHEOPNo.Ol-OHP4023.ES-1.4Rev.0TitleTransfertoHotLeRecirculationPreparedby:A.J.SabolDate2/27/84D.C.COOKSTEPNO.GeneralERGSTEPNO.GeneralEXPLANATIONOFDIFFERENCEORBASISoTheERGGuidanceshowingtypicaltaskspertainingtothetransfertohotlegrecirculationdoesnotapplytotheD.C.Cookdesign.Theprocedurewaswrittenaccordingtoplantdesign.6488S/04-8659

Pagel0:D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.Ol-OHP4023.E-2TitleFaultedSteamPreparedby:K.VictorRev.DateD.C.COOKSTEPNO.1A/ERERGSTEPNO.lA/EREXPLANATIONOFDIFFERENCEORBASIS'NoS/GstopvalvebypassvalvesinCookdesign.60

D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNg.O1-OHP4O23.E-3Rev.TitleSteamGeneratorTubeRuturePreparedby:R.J.LopiccoloD.C.COOKSTEPNO.SbRNO14NoteERGSTEPNO.3bRNO.Sa14Note2234EXPLANATIONOFDIFFERENCEORBASIS~NoS/GstopvalvebypasssvalvesinCookdesign.~Deletedsubsteptocheckpoweravailablebecauseoperatorverifiespoweroncepershift.Also,breakerindicationlightsandidentificat:areonthecontrolboard.BreakerswillnottriponanSlsignal.eAddednottoplacesteamdumpcontrolselectorsinBYPASSINTERLACKwhenTavgreaches541'Ftoallowthecooldownvalvestooperate.~Rewordedstepbecausereferenceplantdidnotaddressminiflowvalves.Alsocharginglineheadervalveisusedtoensuresealin)ectionandprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoestablishsealreturnflowarealllocalindications.

D.C.COOKEOPBACKGROVNDDOCVMENTATIONFomEOPNa.01OHP4023.ES-3,1Rev.Tit1ePost-SGTRCooldownUsinBackfillPreparedby:C.SwensonDateD.C.COOKSTEPNO.2b5NoteERGSTEPNO.1bEXPLANATIONOFDIFFERENCEORBASIS~AccumulatorisolationvalvesarealwayslockedoutsotheA/ERwaschangedtorestoringpowertothevalves.~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreaches541'Ftoallowthecooldownvalvestooperate.62

D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNO.01-OHP4023.ES-3.2Rev.Tft1ePost-SGTRCooldownUsinBlowdownPreparedby:J.D.AndrachekDate21584D.C.COOKSTEPNO.2b5Note16NoteERGSTEPNO.2b516EXPLANATIONOFDIFFERENCEORBAS'IS~AccumulatorisolationvalvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoringpowertothevalves.~AddednoctoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreaches541'Ftoallowcooldownvalvestooperate.63

Pageic'0.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.Rev~Tft]ePost-SGTRCooldownUsinSteamDuPreparedby:A.J.SabolDateD.C.COOKSTEPNO.2b5NoteIINote16NoteERGSTEPNO.2b51116EXPLANATIONOFDIFFERENCEORBASISAccumulatorisolationvalvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoringpowertothevalves.~Addednotetoplace'teamdumpcontrolselectorsinBYPASSINTIRLOCKwhenTavgreaches541'Ftoallowcooldownvalvestooperate.64 Page1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.01-OHP4023.ECA-O.OTitleLossofAllACPowerPreparedby:J.D.Gibbons3r.Rev.0Date4/18/84D.C.COOKSTEPNO.1A/ER21aERGSTEPNO.1A/EREXPLANATIONOFDIFFERENCEORBASISDeleted"RodBottomLights-LIT"becauseindicatorswillnotlightonlossofallAC.Changedrodpositionindicatorstolessthan25stepsbecauseeasytoreadforreactortripverification.AddedstepforHydrogenigniters.6488S/04-8665 D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNO~01-OHP402Rev.T)tieLossofAllPowrRPreparedby:J.DCinDateD.C.COOKSTEPNO.laRNOIbRNOERGSTEPNO.laRNOlbRNO3dA/ER4EXPLANATIONOFDIFFERENCEORBASISChanged2)RNOtoreadlocallyclosevalvesandeliminatedthepartofthestepwhichsaidtolocallyclosevalvesifvalvescannotbemanuallyclosed.Isolationvalvesoutsidecnmtarenotmotoroperated.Valveswerelocallycheckedclosedinstep7ofECA-O.O.~Nomotoroperatedisolation'valvesinsidecnmtsopartof2)eliminated.~Deletedcontainmentfancoolers.~Rewordedstepbecausereferenceplantdid.notaddressminiflowvalvesAlso>>chargiglineheadervalveisusedtoensuresealin)ectionandpreventfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindicati' Page1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORHEOPNo.01-OHP4023.ECA-0.2Rev.0TitleLossofAllACPowerRecoverMithSIReuiredPreparedby:J.AndrachekDate3/23/84D.C.COOKSTEPNO.3aRNO5bRNO7aRNOERGSTEPNO.3aRNO5bRNOEXPLANATIONOFDIFFERENCEORBASISLDeletedstatementtocloseCCHreturnisolationvalvesinsidecontainmentbecauseCookhastwovalvesoutsidecontainmentandonlyhandvalvesinside.NoemergencyfancoolersinCookdesign.SealinjectionvalvesoutsidecontainmentarehandvalvestoRNOcolumnwaschangedtoreadlocallyclosevalves.Addedstepforairrecirculation/hydrogenskimmersystem.AddedstepforHydrogenigniters.6488S/04-8667

PageiG.D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEppNo.Ol-OHP4023.ECA-l.1Rev.TitleLossofEmerencCoolantRecirculationPreparedby:C.SwensonDate584D.C.COOKSTEPNO.3Note16Note17Note20Note22Note5bTable18ERGSTEPNO.31718212346bTable19EXPLANATIONOFDIFFERENCEORBASIS~AddednotetoplacesteamdumpcontrolselectorsinBYPASSZNTERLOCKwhenTavgreaches541'Ptoallowcooldownvalvestooperate.~Deletedstep.Nofancoolersinicecondensercontainment.~Deletedappropriatecolumnstoaccomadateforicecondensercontainment.~AccumulatorisolationvalvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoringpowertotheisolationvalves.68 0

Pap';D.C.COOKEOPBACKGROONDDOCUMENTAIONFORMEOPNo.01-OHP4023,ECA-1.2TjtleLOCAOutsideContainmentPreparedby:R.StarsRev.Date3/2/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASISNONE69 D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.O1-oHPiRev.T<t18UncontrolldPreparedby:J.D.GibbonsDateD.C.COOKSTEPNO.152737bERGSTEPNO.152737bEXPLANATIONOFDIFFERENCEORBASIS~NoS/GstopvalvebypassvalvesinCooksdesig.eDeletedsubsteptocheckpoweravailablebecauseoperatorverifiespoweroncepershift.Also,breakerindicationlightsandidentificationareonthecontrolboard.BreakerswillnottriponanSIsignal.~Rewordedstepbecausereferenceplantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin5ectionandprotectfromCCPrunout.aRewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindicati~Accumulatorisolationvalvesarealwayslockedout.sotheA/ERcolumnwaschangedtorestoringpowertotheisolationvalves.70 D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNg.01-OHP4023.ECA-3.1Rev.0Tft1eSGTRPithLossofReactorCoolant-SubcooledRecoverDesiredPreparedby:R.J.LoiccoloD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS10Note20273110202731~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreaches541'Ftoallowthecooldownvalvestcoperate.oRewordedstepbecausereferenceplantdidnotaddressminiflowvalves.AlsocharginglineheadervalveisusedtoensuresealinfectionandprotectfromCCRrunout.~AccumulatorisolationvalvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoringpowertoisolationvalves.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindications.71 APPENDIXCPagelofI9.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.Oi-OHP4023ECA-3'2Rev.0TitleSGTRWithLossOfReactorCoolant-SaturatedRecoveryDesiredPreparedby:A16D.C.COOKSTEPNO.ERGSTEPNO~EXPLANATIONOFDIFFERENCEORBASIS5Note21252125~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreach541'Ftoallowcooldownvalvestooperate.~Rewordedstepbecausereferenceplantdidnotaddressminiflowvalves.Alsocharginglineheaderisusedtoensuresealin)ectionandprotectfromCCPrunout.~Accumulatorisolationvalvearealwayslockec'utsotheA/ERcolumnwaschangedtorestorpowertoisolationvalves.~RewordedhighlevelstepbecausecriteriatoVerifysealreturnflowarealllocalindications.72 APPENDIXCPage1oflD.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.Ol-OHP4023.ECA-3.3TitleSGTRWithoutPrrPPreparedby:C.SwensonRcv.DateD.C.COOKSTEPNO..4c101923b26NOTE34NOTEERGSTEPNO.4c91822b2533EXPLANATIONOFDIFFERENCEORBASIS~Rewardedstepbecausereferenceplantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin)ectionandprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindications.~AccumulatorisolationvalvesarealwayslockedoutsotheA/ERcolumnwas@hangedtorestoringpowertotheisolationvalves.~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhenTavgreaches541oFtoallowcooldownvalvestooperate.73

Pag:.":1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.01WHP4023.FR-S.1TitleResonsetoNulePreparedby:C.MorganRev.0Date3/2/84D.C.COOKSTEPNO.2aRNO10ERGSTEPNO.2aRNO4dEXPLANATIONOFDIFFERENCEORBASIS~NoS/GstopvalvebypassvalvesinCookdesigneStepwaschangedtoinfecttheBITasthisisthebestmethodforrapidboration.~Step4dbecamenewstep5sincestep4waschangedtoinferBIT.~NoS/Gstopvalv~valvesinCookdesign74 Pageio;DCCOOKEOPBACKGROUNDDOCUMENTATIONFORMFOPNo.01WHP4023.FR-S.2Rev.0ResponsetoLossofCoreShutdownPreparedby:J.D.AndrachekDateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASISNONE7S

APPENDIXCPagelof1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo."-HP40.FR-1Rev~~QTitleRoneTInadeUateCoreCoolinPreparedby:J:AndrachekDate22084D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS5Note"lla12Note15Note10all14~AddedsteptoturnonHignitors,pericecondensormodification.~AccumulatorisolationvalvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoringpowertoisolationvalves.~Deletedsubsteptocheckpoweravailablebecauseoperatorverifiespoweroncepershift.Also,breakerindicationlightsandidentificationareonthecontrolboard.BreakerswillnottriponanSIsignal.~Addednotetoplacesteamdumpcontrolselector.inBYPASSINTERLOCKwhenTavgreaches541'Ftoallowcooldownvalvestooperate.76 Pa9eIQ~1D,C.'COOKEOPBACKGROUNDQOCUME."STATIONFORMEOPNo,01-OHP4023.FR-C.2-Rev.Tlt1eRESPONSETODEGRADEDCORECOOLINGPreparedby:JD.ANDRACHEKDate3/24/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS2A/ERllNote15NoteeAddednewsteptoturnonhydrogenignitors~Accumulatorisolationvalvesarealwayslockedout,soA/ERcolumnwaschangedtorestoringpowertoisolationvalvebreakers.AlsobreakerswillnottriponanSIsignal.~AddednotetoplacesteamdumpcontrolselectorsinBYPASSINTERLOCKwhentavgreaches541oF,toallowcooldownvalvestooperate.77

PaceiG.lD.C.COOKEOPBACKGROUND00CUHENTATIONFORMEOPNo.01-OHP4023.FR-C.3Rev.RESPONSETOSATURATEDCORECONDETlONSPreparedby:J.DANDRACHEKDate3/3O/840.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS3a~DeletedstepforcheckingpowertoPORVblockvalvesbecauseoperatorchecksoncepershiftandbreakerindicationlightsandidentificationareonthecontrolboard.Also,breakerwillnottriponSIsignal.78

APPENDIXCPage1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.01-OHP4023.FR-H;1Rev.TitIeResponsetoLossofSecondaryHeatSinkPreparedby:D.DikhuthII~384'.C.COOKSTEPNO.ERGSTEPMO.EXPLANATIONOFDIFFERENCEORBASIS152515a25~Deletedsubsteptocheckpoweravailableb'ecauseoperatorverifiespoweroncepershift.Also,breakerindicationlightsandindicatior.areonthecontrolboard.BreakerswillnottriponanSIsignal.~Rewordedstepbecausereferenceplantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin5ectionandpreventfromCCPrunout.79

Page1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.01-OHP4023.FR-H.2Rev.0TitleResonsetoSteamGeneratorOverressurePreparedby:3.D.AndrachekDate4/4/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASISoNofeedwaterbypassvalvesinCookdesign.oNoS.G.stopvalvebypassvalvesinCookdesign.6488S/04-8680

Page1oflD.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.Ol-OHP4023.FR-H.3Rev.TitleResonsetoSteamGeneratorHihLevelPreparedby:A.J.SabolDate3/27/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS..oNofeedwaterbypassvalvesinCookdesign.oNoS/GstopvalvebypassvalvesinCookdesign.e4sss/o4-se81 Pagio-.D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPN0.oi-OHP~O2~.FR-H.IRev.TitleResonsetoLossofNormalSteam.ReleaseCaaPreparedby:J.D.GibbonsJr.DateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASISNONE82 D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEPPNa.01-OHP4023.FR-H.5Rev.0TjgleResponsetoSteamGeneratorLowLevelPreparedby:A.J.SabolDate4/1684D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFrERENCEORBASISNONE83 APPENDIXCPage1ofID.C.COOKEOPBACKGROUNDDOCUMENTATIONFORMEOPNo.'ll-OHP4023.FR-P:1Rev.TitleResonsetoImninentPressurizedThermalShockConditionPreparedby:E.TacikDate3484D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS1014a1014aoDeletedsubsteptocheckpoweravailablebecausioperatorverifiespoweroncepershift.Also,breakerindicationlightsandidentificationareonthecontrolboard.'reakerswillnottriponanSIsignalssubstepBwasmovedtohig'ilevelresponsetofollowERGformat.~Rewordedstepbecausereferenceplantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin)ectionandprotectfromCCPrunout.~Accumulatorisolationvalvesarealwayslockedout.soA/ERcolumnwaschangedtorestoringpowertoisloationvalves.84 Pa"eD.C.COOKEOPBACKGROUNDDOCVH"-NTAIONFORMEOPNo.01OHP4023.FR-P.2TitlePreparedby:A.J.SabolRev.DateD.C.COOKSTEPNO'.1.c.RNOERGSTEPNO.1.c.RNOEXPLANATIONOFDIFFERENCEORBASIS~NoS/GstopvalvebypassvalvesinCookdesigE85 Page1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORHEOPNo.01-OHP4023.FR-Z.lRev.TitleResonsetoHihContainmentPressurePreparedby:A.3.SabolDate4/25/84D.C.COOKERGSTEPNO.STEPNO.EXPLANATIONOFDIFFERENCEORBASIS333dA/ERoStepmodifiedforicecondensercontainmentbecausespraypumpswillalreadybeoperatingwiththisprocedureineffect.oPhase8isolationvalveswasmadeanewstepsincestep3waschangedtoverifycontainmentsprayoperation.oStepdeletedbecausenofancoolersinicecondensercontainment;oNoS/GstopvalvebypassvalvesinCookdesign.oNewstepforicecondensermodification.oNewstepduetoplantdesignforRHRspraycapability.oNewstepaddedtoturnonHydrogenignitors.oStepdeletedbecauseCookdesigncontinuouslymonitorshydrogenconcentrationwhichisinitiatedinStep8b.6488S/04-8686

Pagelc-."I1~*D~C~COOKEOPBACKGROUNDDOCUH=-llTATIONFORMIIPpi~~EOPNo.Ol-OHP4O23.FR-Z.2Rev.Tht1eResonsetoContainmentFloodinPreparedby:A.J.SabolDateD.C.COOKSTEPNO;ERGSTEPNo.EXPLANATIONOFDIFFERENCEORBASISNONE'\~87 Payic-.D.C.COOKEQPBACKGROUNDDOCUH="NTATIONFORMEOPNo.Tkt1eResonsetoHfhcontainmnPreparedby:A.J.Sabol~Rev.0DateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFFERENCEORBASIS88 Pageic..D.C.COOKEOPBACKGROUNDDOCUM""!~iATIONFORMEOPNo.Ol-OHP4023.PR-z.1Rev.Tjt)eResponsetoHighPressurizerLevelPreparedby:A.J.SabolDate4/10/84D.C.COOKSTEPNO;2cRNOERGSTEPNO.2cRNOEXPLANATIONOFDIFFERENCEORBASIS~Rewordedstepbecausereferenceplantdidnotaddressminiflowvalves.Alsocharginglineheadervalveisusedtoensuresealin)ectionandprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindications.89 Pageic-.D.C.COOKEOPBACKGROUNDDOCUM=tiTATIONFORMEOPNo.-Ol-OHpRev.ResponsetoLowPressurizerLevelPreparedby:K.J.victorDateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATIONOFDIFrERENCEORBASIS2cRNO2cRNO~Rewordedstepbecausereferenceplantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealinfectionandprotectfromCCPrunout.90 Page1of1D.C.COOKEOPBACKGROUNDDOCUMENTATIONFORHEOPNo.Ol-OHP4023.FR-I.3Rev.0TitleResonsetoVoidsinReactorVesselPreparedby:A.3.SabolDate4/24/84D.C.COOKERGSTEPNO.STEPNO.2cRNO2cRNO17EXPLANATIONOFDIFFERENCEORBASISoRewordedstepbecausereferenceplantdidnotaddressminiflowvalves,Also,charginglineheadervalvesisusedtoensuresealinjectionandprotectfromCCPrunout.oAddedstepforhydrogenigniters.6488S/04-8691