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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ATTACHMENT TOAEP:NRC:0773Q PROCEDURES GENERATION PACKAGEPARTISPECIFICTECHNICAL GUIDELINES FORDONALDC.COOKNUCLEARPLANTREVISION1MAY1,1986860M10258 860516PDRADOCK05000315PPDRSSUITtlRY Sot,tlVFa~I;III>

01I)I/0I/~I D.C.COOKPLANTSPECIFICTECHNICAL GUIOELINES ORIGINALISSUEJUNE1984REVISION1APRIL19866924S/042586 D.C.COOKPLANTSPECIFICTECHNICAL GUIDELINES TABLEOFCONTENTSSUBJECTPAGE1.INTRODUCTION 2.COMPARISON OFSYSTEHDESIGNS3.DISCUSSION OFANALYSIS4.BASISFORUSINGTHEGENERICWESTINGHOUSE ERGs5.METHODFORDEVELOPING EOPsFROHERGs6.CONCLUSION APPENDIXA-COMPARISON OFSYSTEHDESIGNSAPPENDIXB-DETAILEDCOMPARISON OFSYSTEHDESIGNSAPPENDIXC-ERGs,REVISION1LISTINGAPPENDIXD-EOPBACKGROUND DOCUHENTATION FORH121316304043(Revisions madetotheoriginaldocumentareindicated bymarginbars.)6924S/042586 1.INTRODUCTION Thedevelopment ofplant-specific technical guidelines isoneofthefourelementsoftheProcedures Generation Package,whichisrequiredbyNUREG-0899 andSupplement 1toNUREG-0737.

FortheD.C.CookNuclearPlantUnit1,thegenericWestinghouse Emergency ResponseGuidelines (ERGs),Revision1willbeusedasthebasisforwritingtheplantspecificEmergency Operating Procedures (EOPs).Thisdocumentdescribes themethodofdeveloping plantspecificEOPsfromthegenericWestinghouse ERGsfortheD.C.CookNuclearPlantUnitl.Also,plantspecificinformation fortheD.C.Cookplant,whichhighlights differences fromthegenericWestinghouse ERGs,isincludedinthisdocument.

i6924S/042586 2.COHPARISON OFSYSTEMDESIGNSDuringthedevelopment ofthegenericWestinghouse Emergency ResponseGuidelines (ERGs),agenericreference plantdesignconfiguration wasassumed,andthetechnical contentincludedintheERGsisbaseduponthereference plantdesign.Thefollowing systemsareincludedinthereference plant:ReactorTripActuation SystemESFActuation SystemNuclearInstrumentation SystemControlRodInstrumentation SystemContainment Instrumentation SystemReactorCoolantSystemChemical&VolumeControlSystemSafetyInjection SystemResidualHeatRemovalSystemRadiation Honitoring SystemContainment SpraySystemContainment Atmosphere ControlSystemComponent CoolingWaterSystemServiceWaterSystemMainFeedwater andCondensate SystemHainSteamSystemAuxiliary Feedwater SystemSteamGenerator BlowdownSystemSamplingSystemSpentFuelStorageandCoolingSystemControlRodDriveMechanism CoolingSystemControlRodControlSystemTurbineControlSystemElectricPowerSystemPneumatic PowerSystem6924S/042586 Qi 2.COMPARISON OFSYSTEMDESIGNS(Cont.)Toaidinthedevelopment oftheplantspecificEOPsforthe0.C.Cookplant,acomparison oftheabovesystemsfromanemerencoerations11..111111d.11comparison willbedoneinasystematic andcompletemannerbyreviewing alloftheabovesystems.Thepurposeofthecomparison istoidentifyareasofthe0.C.Cookplantwhicharedifferent fromthereference plantfromthestandointofemerencsstemoerations, andthustheseareaswillbeexplicitly considered andincludedasappropriate duringthedevelopment oftheD.C.CookEOPs.Thecomparison foreachsystemfollows.AppendixAwasdeveloped toprovideadetailedcomparison ofeachsystembaseduponitsuseintheERGs.AppendixBprovidesamoredetailedcomponent levelcomparison relativetotheRevision1reference plant.Appendices AandBshouldbereferredtoduringthefollowing comparison ofeachsystem.REACTORTRIPACTUATION SYSTEMThefunctionoftheReactorTripActuation System(RTAS)istomonitorspecified processparameters andequipment statusandtoactuatereactortripifconditions exceedspecified limits.Fromthestandpoint ofemergency operations, theRTASisthesamefortheD.C.Cookandreference plant.ESFACTUATION SYSTEMThefunctionoftheESFActuation System(ESFAS)istomonitorspecified processparameters andtoactuateengineered safetyfeatures(ESF)operation ifconditions exceedspecified limits.Fromthestandpoint ofemergency operations, theESFASisthesamefortheD.C:Cookandreference plant.6924S/042586

2.COHPARISON OFSYSTEHDESIGNS(Cont.)NUCLEARINSTRUHENTATION SYSTEHThefunctionoftheNuclearInstrumentation System(NIS)istomonitoranddisplaythereactivity stateofthereactorcore.Fromthestandpoint ofemergency operations, theNISisthesamefortheD.C.Cookandreference plant.CONTROLRODINSTRUMENTATION SYSTEHThefunctionoftheControlRodInstrumentation System(GRIS)istomonitoranddisplaythepositionofthereactorcorecontrolrods.Fromthestandpoint ofemergency operations, theGRISisthesamefortheD.C.Cookandreference plant.CONTAINMENT INSTRUHENTATION SYSTEHThefunctionoftheContainment Instrumentation System(CIS)istomonitortheenvironmental condition andisolation statusofthecontainment.

Fromthestandpoint ofemergency operations, theCISisthesamefortheD.C.Cookandreference plant.REACTORCOOLANTSYSTEMThefunctionoftheReactorCoolantSystem(RCS)istotransferheatfromthereactorcoretothemainsteamsystemorresidualheatremovalsystemtoprovideabarrieragainstthereleaseofreactorcoolantorradioactive materialtothecontainment environment.

Fromthestandpoint ofemergency operations, theRCSisthesamefortheD.C.Cookandreference plant.6924S/042586

2.COMPARISON OFSYSTEHDESIGNS(Cont.)CHEMICALANDVOLUHECONTROLSYSTEHThefunctionoftheChemicalandVolumeControlSystem(CVCS)systemistoprovidecoolanttothereactorcoolantsystemandtoprovidereactivity controlfornormaloperations andanyeventthatdoesnotrequireengineered safetyfeaturesoperation.

Fromthestandpoint ofemergency operations, the'VCSisthesamefortheD.C.Cookandreference plant.SAFETYINJECTION SYSTEHThefunctionoftheSafetyInjection System(SIS)istoprovidecoolanttothereactorcoolantsystemandtointroduce negativereactivity orrestricttheadditionofpositivereactivity foreventsthatrequireengineered safetyfeaturesoperation.

Fromthestandpoint ofemergency operations, theSISisthesamefortheD.C.Cookandreference plantexceptforSubsystem CasshowninAppendixA.RESIDUALHEATREMOVALSYSTEHThefunctionoftheResidualHeatRemovalSystem(RHRS)istoremoveresidualheatfromthereactorcoolantsystemduringplantshutdownoperations atlowreactorcoolantsystempressures.

Fromthestandpoint ofemergency operations, theRHRSisthesamefortheD.C.Cookandreference plant.RADIATION HONITORING SYSTEHThefunctionoftheRadiation Honitoring System(RMS)istomonitortheradiation levelsinspecified processsystemsandspecified areasinternalandexternaltotheplant.Fromthestandpoint ofemergency operations, theRHSisthesamefortheD.C.Cookandreference plant.6924S/042586 2.COHPARISON OFSYSTEHOESIGNS(Cont.)CONTAINMENT SPRAYSYSTEHThefunctionoftheContainment SpraySystem(CSS)istoprovidecontainment pressuresuppression andairbornefissionproductremovalforeventsthatrequireengineered safetyfeaturesactuation.

The0.C.Cookdesignisdifferent fromthereference plantasshowninAppendixAandthesedifferences shouldbeincorporated duringthewritingoftheEOPs.CONTAINMENT ATMOSPHERE CONTROLSYSTEHThefunctionoftheContainment Atmosphere ControlSystem(CACS)istoprovidecontainment heatremovalandcombustible gasmixturecontrol.'he 0.C.Cookdesignissignificantly different fromthereference plantasshowninAppendixAandthesedifferences shouldbeincorporated, duringthewritingoftheEOPs.COMPONENT COOLINGWATERSYSTEHThefunctionoftheComponent CoolingWaterSystem(CCWS)istoprovideheatremovalfromsystemprocessandequipment viaanintermediate closed-loop system.Fromthestandpoint ofemergency operations, theCCWSisthesameforthe0.C.Cookandreference plant.SERVICEWATERSYSTEHThefunctionoftheServiceWaterSystem(SWS)istoprovideheatremovalfromsystemprocesses andequipment totheultimateheatsinkviaanopen-loop system.Fromthestandpoint ofemergency operations, theSWSisthesameforthe0.C.Cookandreference plant.6924S/042586 2.COHPARISON OFSYSTEHDESIGNS(Cont.)HAINFEEDWATER ANDCONDENSATE SYSTEHThefunctionoftheHainFeedwater andCondensate System(HFCS)istoprovidewatertothesecondary sideofthesteamgenerators duringplantpoweroperations.

Fromthestandpoint ofemergency operations, theHFCSisthesamefortheD.C.Cookandreference plantwiththeexception ofthefeedwater flowcontrolbypassvalvesasshownbyAppendixA.AUXILIARY FEEDWATER SYSTEHThefunctionoftheAuxiliary Feedwater System(AFS)istoprovidecoolanttothesecondary sideofthesteamgenerators duringplantshutdownoperations andforeventsthatrequireengineered safetyfeaturesoperations.

Fromthestandpoint ofemergency operations, theAFSisthesamefortheD.C.Cookandreference plant.HAINSTEAHSYSTEHThefunctionoftheHainSteam.System(MSS)istoprovidecontrolled heatremovalfromthereactorcoolantsystemviathesteamgenerators.

Fromthestandpoint ofemergency operations, theHSSisthesamefortheD.C.Cookandreference plantwiththeexception ofthebypassvalvesasshownbythecomparison giveninAppendixA.STEAHGENERATOR BLOWDOWNSYSTEHThefunctionoftheSteamGenerator BlowdownSystem(SGBS)istoprovideletdownfromthesecondary sideofthesteamgenerators.

Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.6924S/042586 2.COHPARISON OFSYSTEHDESIGNS(Cont.)SAHPLINGSYSTEHThefunctionoftheSamplingSystem(SS)istoprovideameansforsamplingprocesssystems.Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.SPENTFUELSTORAGEANDCOOLINGSYSTEHThefunctionoftheSpentFuelStorageandCoolingSystem(SFSCS)istocontrolfuelstoragepositions toensureasubcritical geometric configuration andtoprovideheatremovaltomaintai'n storedfuelwithinspecified temperature limits.Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.CONTROLRODDRIVEMECHANISM COOLINGSYSTEHThefunctionoftheControlRodDriveHechanism CoolingSystem(CRDHCS)istoprovideheatremovalfromthecontrolroddrivemechanisms.

Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.CONTROLRODCONTROLSYSTEMThefunctionoftheControlRodControlSystem(CRCS)istocontrolthepositionofthecontrolrodsinthereactorcore.Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.TURBINECONTROLSYSTEHThefunctionoftheTurbineControlSystem(TCS)istocontroltheturbine-generator.

Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.6924S/042586

2.COHPARISON OFSYSTEHDESIGNS(Cont.)ELECTRICAL POWERSYSTEHThefunctionoftheElectrical PowerSystem(EPS)istoprovideacanddc.electrical powertoequipment thatrequireelectrical powertoaccomplish theirfunctions.

Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.PNEUHATIC POWERSYSTEHThefunctionofthePneumatic PowerSystem(PPS)istosupplypneumatic power(typically controlair)toequipment thatrequirepneumatic powertoaccomplish.

theirfunctions.

Fromthestandpoint ofemergency operations, theD.C.Cookdesignisthesameasthereference plant.6924S/042586 10 3.DISCUSSION OFANALYSISThe0.C.CookPlantdesignhasbeenreviewedwithrespecttothereference plantanalyseswhichwereperformed tosupportthedevelopment ofthegenericERGs.Thisreviewhasconfirmed thatthereference analysesareapplicable tothe0.C.CookPlantandthatnoadditional analysisisrequiredtosupporttheuseoftheERGsindeveloping plantspecificprocedures forthe0.C.CookPlant.Thereference plantformanyoftheanalysesisastandard4-loopnon-UHIplant,buttheanalysesareintendedtobegenericandapplicable toallWestinghouse-designed commercial PWRplantstothemaximumextentpracticable.

Sincethe0.C.CookPlantissimilartothereference plant,manyoftheanalysesaredirectlyapplicable toD.C.Cook.Althoughthe0.C.CookPlanthasanicecondenser containment systemcomparedtothedrycontainment systemforthereference plant,thisdifference doesnotaffecttheapplicability oftheanalysesfor0.C.Cook.Atthesametime,notethattheseicecondenser designfeatureshavebeenincorporated intothe0.C.CookEOPs.Forthosecaseswheretheanalysisisnotdirectlyapplicable totheD.C.CookPlant,acomparison ofthesystemdesignandplantparameters demonstrates thatthereference analysesareboundingforthe.-0.C.CookPlant,andthattheconclusions areapplicable totheD.C.CookPlant.(Analyses performed forafourloopreference plantwereconsidered tobedirectlyapplicable totheDCCNPwithoutanyadditional evaluation.

References analysesperformed forathreeloopplantrequiredanevaluation ofsystemdesignsandplantparameters todemonstrate thattheanalysisresultswereboundingforDCCNP.)6924S/042586

4.BASISFORUSINGTHEGENERICWESTINGHOUSE ERGsTothegreatestpracticable extent,theWestinghouse Emergency ResponseGuidelines (ERGs)havebeenconstructed tobegenericandapplicable toallWestinghouse-designed commercial PWRplants.Itcanbeseenfromthecomparison madeinSection2thattheD.C.Cookplantisverysimilartothereference plant,whichwasusedasthebasisfordeveloping theERGs.Also,asnotedintheanalysisdiscussion providedinSection3,theanalysisperformed tosupportthegenericERGsisalsoapplicable totheD.C.Cookplant,andnoadditional analysisisrequired.

Therefore, theD.C.CookEOPswillbebaseduponthegenericWestinghouse ERGs,HP-Revision 1.WhenwritingtheEOPs,modifications toERGstepsmustbemadetoaccountfortheD.C.Cookplantdesigndifferences whicharedelineated inSection2.6924S/042586 5.METHODFORDEVELOPING EOPsFROMERGs5.1GeneralThegenericWestinghouse Emergency ResponseGuidelines (ERGs),Revision1willbeusedasthebasisforwritingtheEOPsfortheD.C.CookNuclearPlantUnitl.AfinallistoftheRevision1ERGsisincludedasAppendixB.Thissectiondescribes themethodthatwillbeusedtoconvertthegenericguidelines intoEOPs.TheEOPwritingteamwillobtainandreviewthefollowing sourcedocuments forD.C.CookUnit1:Westinghouse genericERGs,Rev.1andbackground documents D.C.CookPlantSpecificTechnical Guidelines D.C.CookWritersGuideforEOPsTechnical Specifications Setpoints Engineering FlowDiagramsSystemDescriptions ExistingEOPs(SeeletterAEP-82-604, 12/14/82)

Calculated Mathematical ValuesusedinEOPs(included inBackground Information Manual)5.3HethodTheEOPwriterswillfollowtheERGsstepbystep.Thewriterwillresearchthesourcedocuments andthenconstruct theEOPandanassociated EOPDocumentation Form(Appendix C).ThisD.C.CookBackground Documentation Formwilllisthoweachgenericguideline stepisusedintheEOPandalsolistanyadditional stepsaddedtotheEOPwithitsbasis,ifapplicable.

Anydifference'etween the6924S/042586 13 5.3Method(Cont.)ERGstepandtheD.C.Cookstepwillbeexplained.

Thisformalongwiththecalculation formathematical valuesusedintheEOPswillbekeptintheBackground Information ManualfortheD.C.CookEOPs.Thefollowing additional instructions forwritingtheEOPsandcompleting theEOPDocumentation Formareprovided.

l.Ifthegenericstepiscompatible withtheD.C.Cookplantdesign,thenthestepshouldbecopiedintotheD.C.CookEOP.Sincethetechnical basisforthestepisexplained intheERGBackground

Document, thereisnoneedtorepeatthisonthebackground documentation form.2.WhenanERGstepspecifies anumerical valuetobecalculated, thevaluewillbedetermined andputintotheD.C.CookEOP.Thedocumentation formshouldindicatewherethemethodofderivation islocated.3.WhenanERGsteprequestsplantspecificdetailsoractionstobeaddedtotheprocedure, addtheinformation totheprocedure.

However,iftheoperatoractionsarehighlyroutineorwellwithintheknowledge oftheoperator, thespecificinformation shouldnotbeincluded.

Thereasonforthisshouldbeexplained onthedocumentation form.4.IftheERGguideline failstoidentifyoraddresssystemsoractionsthatareuniquetoD.C.Cook(RefertoAppendixA),thenstepsshouldbeincludedtoencompass thenecessary actions.Theseshouldbeexplained onthedocumentation form/5.IfanERGstepspe'cifies anactionthatcannotbeperformed atD.C.Cook,thestepwillbedeletedormodifiedandthereasonexplained onthedocumentation form.6924S/042586

>4 5.3Hethod(Cont.)6.IfanERGstepismodifiedsuchthattheintentofthestepischanged,thenthebasiswillbeexplained onthedocumentation form.7.Minormodifications toERGsstepsareacceptable withoutextensive Justification providedthatthechangedoesnotaltertheintentoftheguideline.

Examplesofthesetypesofchangesareasfollows:a.Deletions oflevelofdetail(seeitemg3).b.Rewording ofERGstepstoconformtostandardD.C.Cookterminology, abbreviations andacronyms.

c.Rearranging ERGstepstostreamline theprocedure duetoD.C.Cookcontrolroomdesignandforoperatorconvenience.

• Alladditions toanddeletions fromgenericguidelines wereverified/

validated aspartoftheEOPverification/validation program.Partoftheverification/validation procedure istochecktheplantspecificprocedure againstthegenericprocedure andensurethat;alladditions anddeletions ofinformation aredocumented andanalyzedandalsothattheorderofsteps(ifchanged)remainswithintheboundsofthestepsequencing table(partofgenericbackground information).

6924S/042586 15 6.CONCLUSION FortheD.C.CookNuclearPowerStationUnit1,thegenericWestinghouse Emergency ResponseGuidelines

{ERGs),Revision1willbeusedasthebasisforwritingtheplantspecificEmergency Operating Procedures.

Thisdocumentprovidesadescription oftheplannedmethodfordeveloping theD.C.CookEOPsfromthegenericWestinghouse guidelines.

Also,deviations fromthegenericguidelines fromanemergency operations perspective resulting fromdifferences betweenthereference plantand0.C.Cookdesignshavebeenidentified.

Itisintendedthatthisdocumentalongwith0.C.CookWritersGuideforEOPswillbeusedtoaidinthepreparation ofthe0.C.CookEOPs.6924S/042586

APPENOIXACOMPARISON OFSYSTEHOESIGNS6924S/042586 17 APPENDIXACOMPARISON OFSYSTEMDESIGNSREACTORTRIPACTUATION SYSTEMReference Plant0ReactorTr1pS1gnal0TurbineTr1pS1gnalD.C.CookSameSameESFACTUATION SYSTEMReference Plant0SIActuation andResetSignals0Containment SpraySignal(Hi-3)andReset0Feedwater Isolation SignalReset0MainSteamline Isolation Signal0Cont.Isolation PhaseASignalReset0Cont.Isolation Phase8SignalResetD.C.CookSameSameSameSameSame6924S/042586 i8 APPENDIXACOHPARISON OFSYSTEHDESIGNSNUCLEARINSTRUHENTATION SYSTEHReference Plant0SourceRangeStartupRate0NeutronFluxRecorderD.C.CookSameSameCONTROLRODINSTRUHENTATION SYSTEHReference Plant0ControlRodPosition0ControlRodBottomLightsD.C.CookSameSameCONTAINHENT INSTRUHENTATION SYSTEHReference Plant0Containment Pressure0Containment Temperature 0Containment Recirculation SumpLevelD.C.CookSameSameSame6924S/042586 19 APPENDIXACOMPARISON OFSYSTEMDESIGNSREACTORCOOLANTSYSTEMReference Plant04-Loop0Hot8ColdLegRTDBypass0TwoPORVs8Associated BlockValves0ThreeCodeSafetyValves0RVHeadVenttoContainment 0RVLISD.C.CookSameSameThreePORVsandAssociated(>)

.BlockValvesSameSameSameCHEMICAL5VOLUMECONTROLSYSTEMReference Plant0TwoCentrifugal ChargingPumpswhicharealsousedforSI0OnePDPump0Charging&RCPSealInjection usingoneChargingPump0Letdown-Regenerative HX,LetdownHXtoVCT04XBoricAcidSystem0BoricAcidPumpsSupplyChargingpumpsthrougheithernormalmake-uporEmergency BorationPathD.C.CookSameSameSameSamel2X,(l)Same6924S/042586 20

APPENDIXACOMPARISON OFSYSTEMDESIGNSSAFETYINJECTION SYSTEMReference Plant0TwoCharging/SI PumpstakesuctionfromRWSTorLow-HeadSIPumps0Charging/SI PumpsShutoffHead>RCSDesignPressure012KBITisinjectedbyCharging/SI Pumpstoall4ColdLegs0BITContentsarecirculated by2BoronInjection Recirculation PumpsD.C.CookSameSameSameB.A.TransferPumps(1)Sub'sstemBReference Plant0TwoHigh-Head SIPumpswithShutoffHeadof-1600psig0High-Head SIPumpstakesuctionfromRWSTorLow-HeadSIPumps0SuctionsofCharging/SI andHigh-Head SIPumpsconnected 0High-Head SIPumpsdeliveryto4ColdLegs(thruaccumulator lines)andall4HotLegsD.C.CookSameSameSameSame6924S/042586 APPENOIXACOMPARISON OFSYSTEMOESIGNSSubsstemCReference Plant0TwoLow-HeadSIPumps0Low-HeadSIPumpstakesuctionfromRWSTorContainment Sump0Low-HeadSIPumpsdeliverto4ColdLegsandconcurrently feedChargingSIandHigh-Head SIPumps(ColdLegRecirculation Mode)0Low-HeadSIPumpsdeliverto2HotLegsandconcurrently feedCharging/SI andHigh-Head SIPumps(HotLegRecirculation Mode)0Switchover Initiation-Automatic SumpValveOpening0.C.CookSameSameSameLow-HeadSIPumpsdeliverto4HotLegs(2)Switchover Initiation(2)-

ManuallyStoppingLowHeadSIPumpsSubsstem0Reference Plant04Accumulator TankswithNitrogenCoverGasD.C.CookSameRESIDUALHEATREMOVALSYSTEMReference Plant0TwoLow-HeadPumps0Low-HeadPumpstakesuctionfromTwoHotLegsandreturnFlowtoFourColdLegs0.C.CookSameOneHotLeg(1)SuctionConnection 6924S/042586 22 0

APPENDIXACOMPARISON OFSYSTEMDESIGNSRADIATION MONITORING SYSTEMReference Plant0Condenser AirInjectorMonitor0SGBlowdownMonitor0Containment Atmosphere Monitor0Auxiliary BuildingMonitorD.C.CookSameSameSameSameCONTAINMENT SPRAYSYSTEMReference Plant0TwoLow-HeadContainment SprayPumps0N/A0N/AD.C.CookSameContainment(~)

SprayHeatExchangers RHRSpraytoContainment(4)

CONTAINMENT ATMOSPHERE CONTROLSYSTEMReference Plant0FourEmergency FanCoolers0N/A0TwoHydrogenRecombiners-ManualActuation 0N/AD.C.CookN/A(AirRecirculation Fans(6)(Actuated onHi-2+10min.)SameHydrogenIgnitors(>)

6924S/042586 23 APPENDIXACOHPARISON OFSYSTEMDESIGNSAUXILIARY FEEDWATER SYSTEMReference Plant0TwoHotorDrivenPumps0OneSteamDrivenPump0Condensate StorageTank0Alternate WaterSupply0AFWControlValves.D.C.CookSameSameSameSameSameHAINSTEAHSYSTEHReference Plant0SteamGenerator PORVs0SteamGenerator SafetyValves0Condenser SteamDumpValves0HainSteamline Isolation Valves0HainSteamline BypassValvesD.C.CookSameSameSameSameLocallyOperated(B)

HanualValves6924S/042586 24 APPENDIXACOMPARISON OFSYSTEHDESIGNSCOMPONENT COOLINGWATERSYSTEHReference Plant0CCWPumps0RCPThermalBarrierValvesD.C.CookSameSameSERVICEWATERSYSTEHReference Plant0ServiceWaterPumpsD.C.CookSameHAINFEEDWATER ANDCONDENSATE SYSTEMReference Plant0Feedwater FlowControlValves0Feedwater FlowControlBypassValves0Feedwater Isolation ValvesD.C.CookSameN/A(9)Same6924S/042586

APPENDIXACOHPARISON OFSYSTEHDESIGNSSTEAHGENERATOR BLOWDOWNSYSTEHReference Plant0SGBlowdownIsolation ValvesD.C.CookSameSAHPLINGSYSTEHReference Plant0SGBlowdownSampleIsolation ValvesD.C.CookSameSPENTFUELSTORAGEANDCOOLINGSYSTEHReference Plant0SpentFuelPitlevelD.C.CookSameCONTROLRODDRIVEMECHANISM COOLINGSYSTEHReference Plant0ControlRodDriveMechanism FansD.C.CookSame6924S/042586 26 APPENDIXACOHPARISON OFSYSTEHDESIGNSCONTROLRODCONTROLSYSTEHReference Plant0ControlRodsD.C.CookSameTURBINECONTROLSYSTEMReference Plant0TurbineRunbackD.C.CookSameELECTRICPOWERSYSTEHReference Plant0Diesel-generators D.C.CookSamePNEUHATIC POWERSYSTEMReference Plant0Instrument AirCompressor 0Instrument AirValvesD.C.CookSameSame6924S/042586 27 APPENDIXACOMPARISON OFSYSTEMDESIGNSFOOTNOTES:

(1)Noimpactonthestructure ofD.C.CookEOPs.(2)ES-1.3andES-1.4shouldbewrittentoincludetheplantspecifictransfertocoldandhotlegrecirculation procedure, whichisincludedintheD.C.CookSISSystemDescription.

(3)Thecontainment sprayheatexchangers areutilized, ifneeded,duringtherecirculation phase.Therefore, coolingwatertothecontainment sprayheatexchangers isrequiredduringtherecirculation phaseofaLOCAwhencontainment sprayisrequired.

ES-1.3,ECA-l.landFR-Z.lshouldbewrittentoincludethisdesignfeature.(4)TheD.C.Cookdesignhasspraycapability usingtheRHRpumps.RHRsprayshouldbeinitiated ifthecontainment pressureexceeds8psigfollowing theinitialblowdown.

Also,RHRsprayshouldnotbeuseduntiltheaccidenthasprogressed tothepointwhentheECCSisintherecirculation phase,oratleast30minutesaftertheaccident.

RHRsprayisin'addition tothespraysuppliedbythecontainment spraypumps.TheadditionofRHRspraycapability shouldbeincludedintoE-1andFR-Z.1.(5)TheD.C.Cookplantdesigndoesnotincludesafetyrelatedcontainment fancoolersthatautomatically startonanSIactuation signal.Therefore, stepsinE-O,ECA-0.2,ECA-l.landFR-Z.lshouldbemodifiedtodeletetheemergency fancoolers.6924S/042586 28

APPENDIXACOMPARISON OFSYSTEMDESIGNSFOOTNOTES:

(Cont.)(6)Thepr1maryfunctionofthea1rrec1rculation/hydrogen skirmersystemistoassurecontainment pressurereduction afterblowdown.

Thisisaccomplished bycontinuously circulating airfromtheuppertothelowercompartment immediately afterblowdown.

Thesecondary functionofthissystemistopreventtheunlikelyaccumulation ofhydrogeninpocketedareaswithinthecontainment resulting fromaLOCA.Theairrecirculation fansareautomatically startedbyaPhase8signalaftera10minutedelay.Theairrecirculation/hydrogen skimersystemshouldbeincludedinE-O,FR-Z.landECA-0.2.(7)TheDistributed IgnitionSystem("hydrogenignitors")

isdesignedtoprovideadditional hydrogencontrolcapability intheunlikelyeventofaseveredegradedcorecoolingeventinvolving thegeneration ofsubstantive amountsofhydrogen.

TheDistributed IgnitionSystemshouldbeconsidered forinclusion inE-l,FR-C.l,FR-C.2,FR-Z.1,FR-H.l,FR-I.3,ECA-O.OandECA-0.2.(8)Mainsteamline bypassvalveoperation outsidethecontrolroommaybeanimpactandshouldbeevaluated.

(9)Feedwater flowcontrolbypassvalvesarenotincludedintheD.C.Cookplantdesign.Therefore, stepsinE-O,FR-H.2andFR-H.3shouldbemod1fiedtodeletethefeedwater flowcontrolbypassvalves.6924S/042586 29 APPENDIXBDETAILEDCOMPARISON OFSYSTEHDESIGNS6924S/042586 30 ITEMAPPENDIX8DETAILEDCOMPARISON OFSYSTEMDESIGNSREUIREMENTS D.C.COOKc(ReactorTriActuation SstemReactorTripAnnunciator ReactorTripandBypassBreakersReactorTripSignalTurbineTripSignalESFActuation SstemSIAnnunciator SI.SignalSISignalReset/Block LowSteamline PressureSIActuation SignalBlockLowPRZRPressureSiActuation SignalBlockContainment Isolation PhaseASignalContainment Isolation PhaseASignalResetContainment Isolation

.Phase8SignalResetFeedwater Isolation SignalReset-Containment SpraySignalContainment SpraySignalResetMainSteamline Isolation SignalXXXXXX-(2,3)XXXXXXX(4,3)XX6924S/042586 31

APPENDIX8(Cont.)DETAILEDCOMPARISON OFSYSTEMDESIGNSITEMREUIREHENTS 0.C.COOKI(l)C(l)NuclearInstrumentation SstemPeerRangeNeutronFluxIntermediate RangeNeutronFluxIntermediate Range'Startup RateSourceRangeNeutronFluxSourceRangeStartupRateNeutronFluxRecorderSourceRangeDetectors (Energize)

ControlRodInstrumentation SstemControlRodPositionControlRodBottomLightsRadiation Instrumentation SstemContainment Radiation SGBlowdownRadiation Condenser AirEjectorRadiation Auxiliary BuildingRadiation SGSteamline Radiation XXXXX6924S/042586 32 APPENDIXB(Cont.)DETAILEDCOMPARISON OFSYSTEMDESIGNSITEMREUIREMENTS D.C.COOKC(')Containment Instrumentation SstemContainment PressureContainment Temperature Containment Recirculation SumpLevelContainment HydrogenConcentration (Sample)PhaseAContainment Isolation ValvesPhase8Containment Isolation ValvesContainment Ventilation Isolation Dampers-(~)ReactorCoolantSstemRCSPressurePRZRPressureRCSHotLegWideRangeTemperature RCSColdLegWideRangeTemperature RCSAverageTemperature CoreExitTCTemperature PRZRWaterTemperature PRZRLevelReactorVesselLiquidInventory SystemReactorCoolantPumpsPRZRPORVsPRZRPORVBlocksValvesPRZRSprayValvesReactorVesselVentValvesPressurizer HeatersXXXXXXXX(RVLIS)XXXXXXXXX(5,3)XXXX6924S/042586 33 APPENDIXB(Cont.)DETAILEDCOMPARISON OFSYSTEMDESIGNSITEMREUIREMENTS D.C.COOKc(')SafetInectionSstemBoronIn)ection Tank(BIT)Temperature Refueling WaterStorageTank(RWST)LevelCharging/SI Flow.High-Head SIFlowHigh-Head SIPumpsAccumulator Isolation ValvesAccumulator VentValvesBITInletIsolation ValvesBITOutletIsolation ValvesLow-HeadSIPumpSuctionValvesfromContainment Recirculation SumpLow-HeadSIPumpSuctionValvesfromRWSTHigh-Head SIPumpSuctionValvesfromRWSTLow-HeadSIPumpDischarge ValvetoRCSHotLegsLow-HeadSIPumpDischarge ValvetoRCSColdLegsSIValves~XXXX'XXXXXXXXXXXXXX(11,6)XXX(7,6)X(7,6)ResidualHeatRemovalSstemLow-HeadSI(RHR)FlowLow-HeadSI(RHR)PumpsLow-HeadSI(RHR)PumpSuctionValvesfromRCSXXX(6,17)6924S/042586 34 APPENDIX8(Cont.)DETAILEDCOMPARISON OFSYSTEMDESIGNSITEHREUIREHENTS D.C.COOKI(1)C(1)ChemicalandVolumeControlSstemBoricAcidTankTemperature

,Charging FlowRCPSealInjection FlowLetdownFlowRCPNumber1SealLeakoffFlowRCPNumber1SealDifferential PressureCharging/SI PumpsPositiveDisplacement ChargingPumpCharging/SI PumpSuctionValvesfromRWSTCharging/SI PumpSuctionValvesfromVCTChargingLineIsolation ValvesChargingLineFlowControlValveChargingLineHandControlValvePressurizer Auxiliary SprayValveRCPSealInjection OutsideContainment Isolation ValvesRCPSealReturnOutsideContainment Isolation ValveLetdownIsolation ValvesLetdownOrificeIsolation ValvesLowPressureLetdownControlValveExcessLetdownIsolation ValvesVCTHakeupControlSystemVCTMakeupControlSystem(HodeSelector)

XXXXXXXXXXXXXX"XXXXXXXXXXXXXXX-(18)XXXXX(12,3)X6924S/042586 35

APPENDIXB(Cont.)DETAILEDCOMPARISON OFSYSTEMDESIGNSITEMREUIREMENTS D.C.COOKI(1)C(1)ComonentCoolinWaterSstemCCWPumpsRCPThermalBarrierCCWReturnInsideContainment Isolation ValveRCPThermalBarrierCCWReturnOutsideContainment Isolation ValveCCWValvesXXServiceWaterSstemServiceWaterPumpsServiceWaterValvesContainment SraSstemContainment SprayPumpsContainment SprayValvesX(8,9)XContainment AtmoshereControlSstemContainment Venti1ationIso1ationDampersContainment FanCoolersHydrogenRecombinersContainment AirCirculation Equipment Containment Filtration Equipment

-(10)X(13,14)6924S/042586 36 APPENDIX8(Cont.)DETAILEDCOHPARISON OFSYSTEMDESIGNSITEMD.C.COOK(1)C(1)HainSteamSstemSGPressureSGNarrowRangeLevelSGWideRangeLevelSGPORVsCondenser SteamDumpValvesHainSteamline Isolation ValvesMainSteamline Isolation BypassValvesSteamSupplyValvesto.Turbine-Driven AFWPumpTurbineStopValvesXX-(15)XHainFeedwater andCondensate SstemFWFlowControlValvesFWFlowControlBypassValvesFWIsolation ValvesX-(16)XAuxiliarFeedwater SstemAuxiliary Feedwater FlowCondensate StorageTankLevelHDAFWPumpsCondensate StorageTanktoHotwellIsolation ValvesAFWValves-(18)6924S/042586 37

APPENDIX8(Cont.)DETAILEDCOHPARISON OFSYSTEMDESIGNSITEHD.C.COOK(1)C(SteamGenerator BlowdownSstemS6BlowdownIsolation ValvesSamlinSstemSGBlowdownSampleIsolation ValvesSentFuelStoraeandCoolinSstemSpentFuelPitLevelControlRodDriveHechanism CoolinSstemControlRodDriveMechanism FansControlRodControlSstemControlRodsTurbineControlSstemTurbineRunbackElectricPowerSstemDiesel-Generators 6924S/042586 38 APPENDIXB(Cont.)DETAILEDCOHPARISON OFSYSTEHDESIGNSITEHREUIREHENTS D.C.COOK)CPneumatic PowerSstemInstrument AirCompressor

.Instrument AirVa1ves6924S/042586 39 APPENDIX8COMPARISON OFSYSTEMDESIGNSFOOTNOTES (2)(3)(4)(5)(6)I-Instrumentation requ1rements columnC-Controlrequirements columnAn"X"entryindicates aninstrumentation orcontrolrequ1rement withinthescopeoftheplantA'-"entry1ndicates norequ1rement SIStatusLightNoimpactonthestructure ofD.C.CookEOPs.H1-2vs.Hi-3actuation ThreePORVsandassoc1ated blockvalves.ES-1.3andES-1.4shouldbewrittentoincludetheplantspecifictransfertocoldandhotlegrecirculation procedure, whichis1ncludedintheD.C.CookSystemDescript1on.

(8)LowheadSIpumpsde11verto4hotlegsThecontainment sprayheatexchangers areutilized, ifneeded,duringtherecirculat1on phase.Therefore, coolingwatertothecontainment sprayheatexchangers isrequiredduringtherec1rculat1on phaseofaLOCA,whencontainment sprayisrequired.

ES-1.3,ECA-1.1andFR-Z.lshouldbewrittentoincludethisdesignfeature.TheD.C.Cookdesignhasspraycapability usingtheRHRpumps.RHRsprayshouldbeinitiated ifthecontainment pressureexceeds8psigfollowing theinitialblowdown.

Also,RHRsprayshouldnotbeuseduntiltheaccidenthasprogressed tothepointwhenECCSis1ntherecirculation phase,oratleast30minutesaftertheaccident.

RHRsprayis1nadditiontothespraysuppl1edbythecontainment spraypumps.Theadd1tionofRHRspraycapability shouldbeincludedintoE-1andFR-Z.l.(10)(12)TheD.C.Cookplantdesigndoesnotincludesafetyrelatedcontainment fancoolersthatautomatically startonanSIactuation signal.Therefore, stepsinE-O,ECA-0.2,ECA-l.landFR-Z.lshouldbemodifiedtodeletetheemergency fancoolers.LowheadSIpumpsuctionvalvesfromthecontainment rec1rculation sumpdonotautomatically openonlowRWSTlevel.Switchover ismanuallyin1tiated afterstoppingthelowheadSIpumps..12wt.Xbor1cacidisusedintheMakeupSystem.6502S/040486 40 (13)Theprimaryfunct1onoftheatrrec1rculation/hydrogen skineersystem1stoassurecontainment pressurereduction afterblowdown.

Thisisaccomplished bycontinuously circulating airfromtheuppertothelowercompartment immediately afterblowdown.

Thesecondary functionofthissystem1stopreventtheunl1kelyaccumulation ofhydrogeninpocketedareaswithinthecontainment following aLOCA.Theairrecirculat1on fansareautomatically startedbyaphase8signalaftera10minutedelay.Theairrecirculation/hydrogen skioeersystemshouldbeincludedinE-O,FR-Z.landECA-0.2.(14)TheDistributed IgnitionSystem(hydrogen tgnitors) 1sdesignedtoprovideadditional, hydrogencontrolcapab111ty intheunlikelyeventofaseveredegradedcorecoolingevent1nvolving thegeneration ofsubstantive amountsofhydrogen.

TheD1stributed IgnitionSystemshouldbeconsidered forinclusion 1nE-l,FR-C.l,FR-C.2,FR-Z.l,FR-H.lFR-1.3,ECA-O.OandECA-0.2.(l5)kainsteamline bypassvalveoperation outsidethecontrolroommaybean1mpactandshouldbeevaluated.

(16)Feedwater flowcontrolbypassvalvesarenotincludedintheD.C.Cookplantdesign.Therefore, stepsinE-O,FR-H.2andFR-H.3shouldbemodifiedtodeletethefeedwater flowcontrolbypassvalves.(17)RHRsuctionfromonehotlegconnection (18)Localvalves6502S/040486 APPENDIXCEMERGENCY RESPONSEGUIDELINES, REVISION1LISTING6924S/042586

APPENDIXCEHERGENCY RESPONSEGUIDELINES OPTIHALRECOVERYGUIDELINES E-0ES-0.0ES-0.1ES-0.2ES-0.3ES-0.4ReactorTriporSafetyInjection Rediagnosis ReactorTripResponseNaturalCirculation CooldownNaturalCirculation CooldownforSteamVoidinVessel(withRVLIS)NaturalCirculation CooldownforSteamVoidinVessel(withoutRVLIS)E-1ES-1.1ES-1.2ES-1.3ES-1.4LossofReactororSecondary CoolantSITermination Post-LOCA CooldownandDepressurization TransfertoColdLegRecirculation TransfertoHotLegRecirculation E-2FaultedSteamGenerator Isolation E-3ES-3.1ES-3.2ES-3.3SteamGenerator TubeRupturePost-SGTR CooldownUsingBackfillPost-SGTR CooldownUsingBlowdownPost-SGTR CooldownUsingSteamDumpECA-O.OLossofAllA.C.PowerECA-0.1LossofAllA.C.PowerRecoveryWithoutS.I.RequiredECA-0.2LossofAllA.C.PowerRecoveryWithS.I.RequiredECA-l.lLossofEmergency CoolantRecirculation ECA-1.2LOCAOutsideContainment ECA-2.1Uncontrolled Depressurization ofAllSteamGenerators ECA-3.1SGTRWithLossofReactorCoolant-Subcooled RecoveryDesiredECA-3.2SGTRWithLossofReactorCoolant-Saturated RecoveryDesiredECA-3.3SGTRWithoutPressurizer PressureControl6924S/042586 43

APPENDIXCEMERGENCY RESPONSEGUIDELINES FUNCTIONRESTORATION GUIDELINES F-0F-o.lF-0.2F-0.3F-0.4F-0.5F-0.6TheCriticalSafetyFunctionStatusTreesSubcriticality CoreCoolingHeatSinkIntegrity Containment Inventory FR-S.1FR-S.2ResponsetoNuclearPowerGeneration/ATWS ResponsetoLossofCoreShutdownFR-C.lResponsetoInadequate CoreCoolingFR-C.2ResponsetoDegradedCoreCoolingFR-C.3ResponsetoSaturated CoreCoolingConditions FR-H.lFR-H.2FR-H.3FR-H.4FR-H.5ResponsetoLossofSecondary HeatSinkResponsetoSteamGenerator Overpressure ResponsetoSteamGenerator HighlevelResponsetoLossofNormalSteamReleaseCapabilities ResponsetoSteamGenerator LowlevelFR-P.lResponsetoImminentPressurized ThermalShockConditions FR-P.2ResponsetoAnticipated Pressurized ThermalShockConditions FR-Z.lResponsetoHighContainment PressureFR-Z.2ResponsetoContainment FloodingFR-Z.3ResponsetoHighContainment Radiation LevelFR-I.1FR-I.2FR-I.3ResponsetoHighPressurizer LevelResponsetoLowPressurizer LevelResponsetoVoidsinReactorVessel6924S/042586 44

APPENDIXDD.C.COOKEOPDOCUMENTATION FORM6924S/042586 45 APPENDIXDPage1ofD.C.COOKEOPDOCUMENTATION FORHEOPNo.TitiePreparedby:Rev.DateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION ORBASISFORDIFFERENCE 6924S/042586 46 D.C.COOKUNIT1DOCUMENTATION FORHSFOREMERGENCY OPERATING PROCEDURES BASEDONREVISION1OFTHEWESTINGHOUSE OWNERSGROUPHIGHPRESSUREEMERGENCY RESPONSEGUIDELINES 6901S/042486 47 Page1of1D.C.COOKEOPSTEPDOCUMENTATION FORMINTRODUCTION TheEOPstep.documentation formwasdeveloped forthepurposeofdocumenting thetechnical differences betweentheWOGERGsandtheD.C.CookEOPsasdescribed inPart5.3ofthePlantSpecificTechnical Guidelines.

Recordedontheseformsarethetechnical differences, andtheexplanations orbasesforthem.Thedocumentation formsarecompiledinorderofprocedure number,andcanbeusedeffectively withthefollowing information:

1)Whenthe'rearetechnical differences betweenagivenEOPanditscorresponding ERG,theEOPstepnumberwillbelistedintheleftcolumnoftheform.Thestepnumberoftherespective ERGstepwillbelistedinthecentercolumn,andtheexplanation orbasisofthedifference willbegivenintherightcolumn.2)AcopyoftheERGsandEOPsmustbeusedinconjunction withstepdocumentation formsasasteptextisnotpresented ontheforms.3)ForEOPstepsnotlistedontheforms,therearenotechnical differences fromtheERGsteps.Therefore, noexplanation orbasesareneeded.(Revisions madetotheoriginaldocumentareindicated bymarginbars)6901S/042486 48 Pagelc1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNO.Ol-OHP4023.E-0Rev.TitleReactorTriorSafetInection'Prepared by:K.VictorDateD.C.COOKSTEPNO.5A/ZRERGSTEPNO.5A/EREXPLANATION OFDIFFERENCE ORBASIS~DeletedFWflowcontrolbypassvalvesandaddedFVpumpdischarge valvesperCookdesign~Deletedstep.Nofancoolersinicecondenser containment.

171319cRNO19cRNO18a(4RNO14aRNO~Reversedintentofhighlev'elsteptoclarifyplantspecificsetpointrequirements.

Also,noS/6stopvalvebypassvalvesinCookdesign.oIncludedairrecirculation/hydrogen skimmerfanstostepduetoicecondenser containment.

~NoS/GstopvalvebypassvalvesinCookdesign.49 Pagio:D.C.COOKEOPBACKGROUND DQ"UMENTATION FORMEOPND.Ol-OHP4023.ES-O.O Rediegnosis Rev.Preparedby:J.ReddoDateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASISNONE50 Pageic-.1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNO.01WHP4023.ES-0.1

.TitleReactorTriResPreparedby:R.starzRev.eD.C.COOKSTEPNO.1cRNO8NoteERGSTEPNO.lcRNOEXPLANATION OFDIFFERENCE ORBASIS~NoS/GstopvalvebypassvalvesinCookdesig:~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreaches541'Ftoallwthecooldownvalvestooperate.51 4

D.C.COOKEOPBACKGROUND DOCUMNTATIONFORMEOPNO~01-OHP4023.ES-O.

TitleNaturalCirculation CooldPreParedby:C.NoranRev.DateD.C.COOKSTEPNO.6NoteERGSTEPNO.IEXPLANATION OFDIFFERENCE ORBASIS~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreaches541'Ftoallowthecooldownvalvestooperate.52 D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNO~OIWHP4023.ES-0.3 Rev.Tjt]eNaturalCirculation CooldownwithSteamVoidinVesselW1hISPreparedby:D.Dickehuth D.C.COOKSTEPNO.1A/ER,RNOERGSTEPNO.EXPLANATION OFDIFrERENCE ORBASIS~Addedsteptodetermine ifRVLISisavailable perutilityrequesttoincorporate inES-0.4.53 9.C.COOKEOPBACKGROUND DOCUHNTAIONFORMEOPNo.01-OHP4023.ES-0.4Rev.TftjeNaturalCirculation CooldownwSteamVoidPreparedby:J.GibbonsDateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS~Addedsteptodetermine ifRVLISisavailable perutilityrequesttoincorporate thisprocedure.

54 Page1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.01-OHP4023.E-1Rev.TitleLossofReactororSecondarCoolantPreparedby:R.J.LoiccoloDate2/27/84D.C.COOKERGSTEPNO.STEPNO.EXPLANATION OFDIFFERENCE ORBASIS5b1617Note5b1719boDeletedsubsteptocheckpoweravailable becauseoperatorverifiedpoweroncepershift.Also,breakerindication lightsandidentification areonthecontrolboard.Breakerswi11nottriponanSIsignal.oAddedsteptoturnonhydrogenignitors.

oStepaddedduetoplantdesignforRKRspraycapability.

oAddednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreached541oFtoallowcooldownvalvestooperate.oThisportionofcheckingcircuitbreakersisaccomplished in19abecausecheckingstatuslightsverifiesvalvesareclosedandbreakersareenergized (closed).

6488S/04-86 D.C.COOKEOPBACKGROUND OOCUM=NTATION FORMEOPNO~Ol-OHP4023.ES>>l.l T)t1eSZTermination Preparedby:J.ReddinD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS161729301617~Rewordedstepbecausereference plantdidnotaddressminiflowisolation valves.Also,charginglineheadervalveisusedtoensuresealin)ection andprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoestablish sealreturnflowarelocalindications.

~AddednottoplacesteamdumpcontrolselectorinBYPASSINTERLOCK whenTavgreaches541'Ftcallowcooldownvalvestooperate.~Addednewsteptorecirculate BIT.Thispreventsmorethanonetankfrombeingoutofspecification duetodilutionfromBIT.~AddedsteptorealignECCStogivecorrectstatuslightindication.

Page>c.DCCOOKEOPBACKGROUND DOCUMNTATIONFOP'OPNO~01WHP4023.ES-1.2 Rev.TftlePostLocaCooldownandDePreparedby:E.F.TacikDateD.C.COOKSTEPNO.7Note162326ERGSTEPNO.162326EXPLANATION OFDIFFERENCE ORBASIS~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreaches541'Ftoallowcooldownvalvestooperate.~Rewozdedstepbecausereference plantdidnotaddressminiflowisolation valves.Alsocharginglineheadervalveisusedtoensuresealin5ectiori andprotectfromCCPrunout.~Accumulator isolation valvesarealwayslockecoutsotheA/ERcolumnwaschangedtorestorepowertotheisolation valves.~Rewordedhighlevelstepbecausecriteriatoestablish sealreturnflowarealllocalindications.

57

Page1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.01-OHP4023.ES-1.3 Rev.TitleTransfertoColdLeRecirculation Preparedby:A.3.SabolDate2/27/84D.C.COOKERGSTEPNO.STEPNO.EXPLANATION OFDIFFERENCE ORBASISGeneralGeneraloTheERGguidanceshowingtypicaltaskspertaining tothetransfertocoldlegrecirculation doesnotapplytotheD.C.Cookdesign.Theprocedure waswrittenaccording toplantdesign.6488S/04-86 58

Page1of10.C.COOKEOPBACKGROUND DOCUMENTATION FORHEOPNo.Ol-OHP4023.ES-1.4 Rev.0TitleTransfertoHotLeRecirculation Preparedby:A.J.SabolDate2/27/84D.C.COOKSTEPNO.GeneralERGSTEPNO.GeneralEXPLANATION OFDIFFERENCE ORBASISoTheERGGuidanceshowingtypicaltaskspertaining tothetransfertohotlegrecirculation doesnotapplytotheD.C.Cookdesign.Theprocedure waswrittenaccording toplantdesign.6488S/04-86 59

Pagel0:D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.Ol-OHP4023.E-2TitleFaultedSteamPreparedby:K.VictorRev.DateD.C.COOKSTEPNO.1A/ERERGSTEPNO.lA/EREXPLANATION OFDIFFERENCE ORBASIS'NoS/GstopvalvebypassvalvesinCookdesign.60

D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNg.O1-OHP4O23.E-3Rev.TitleSteamGenerator TubeRuturePreparedby:R.J.Lopiccolo D.C.COOKSTEPNO.SbRNO14NoteERGSTEPNO.3bRNO.Sa14Note2234EXPLANATION OFDIFFERENCE ORBASIS~NoS/GstopvalvebypasssvalvesinCookdesign.~Deletedsubsteptocheckpoweravailable becauseoperatorverifiespoweroncepershift.Also,breakerindication lightsandidentificat:

areonthecontrolboard.BreakerswillnottriponanSlsignal.eAddednottoplacesteamdumpcontrolselectors inBYPASSINTERLACK whenTavgreaches541'Ftoallowthecooldownvalvestooperate.~Rewordedstepbecausereference plantdidnotaddressminiflowvalves.Alsocharginglineheadervalveisusedtoensuresealin)ection andprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoestablish sealreturnflowarealllocalindications.

D.C.COOKEOPBACKGROVND DOCVMENTATION FomEOPNa.01OHP4023.ES-3,1 Rev.Tit1ePost-SGTRCooldownUsinBackfillPreparedby:C.SwensonDateD.C.COOKSTEPNO.2b5NoteERGSTEPNO.1bEXPLANATION OFDIFFERENCE ORBASIS~Accumulator isolation valvesarealwayslockedoutsotheA/ERwaschangedtorestoring powertothevalves.~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreaches541'Ftoallowthecooldownvalvestooperate.62

D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNO.01-OHP4023.ES-3.2 Rev.Tft1ePost-SGTRCooldownUsinBlowdownPreparedby:J.D.Andrachek Date21584D.C.COOKSTEPNO.2b5Note16NoteERGSTEPNO.2b516EXPLANATION OFDIFFERENCE ORBAS'IS~Accumulator isolation valvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoring powertothevalves.~Addednoctoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreaches541'Ftoallowcooldownvalvestooperate.63

Pageic'0.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.Rev~Tft]ePost-SGTRCooldownUsinSteamDuPreparedby:A.J.SabolDateD.C.COOKSTEPNO.2b5NoteIINote16NoteERGSTEPNO.2b51116EXPLANATION OFDIFFERENCE ORBASISAccumulator isolation valvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoring powertothevalves.~Addednotetoplace'team dumpcontrolselectors inBYPASSINTIRLOCK whenTavgreaches541'Ftoallowcooldownvalvestooperate.64 Page1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.01-OHP4023.ECA-O.O TitleLossofAllACPowerPreparedby:J.D.Gibbons3r.Rev.0Date4/18/84D.C.COOKSTEPNO.1A/ER21aERGSTEPNO.1A/EREXPLANATION OFDIFFERENCE ORBASISDeleted"RodBottomLights-LIT"becauseindicators willnotlightonlossofallAC.Changedrodpositionindicators tolessthan25stepsbecauseeasytoreadforreactortripverification.

AddedstepforHydrogenigniters.

6488S/04-86 65 D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNO~01-OHP402Rev.T)tieLossofAllPowrRPreparedby:J.DCinDateD.C.COOKSTEPNO.laRNOIbRNOERGSTEPNO.laRNOlbRNO3dA/ER4EXPLANATION OFDIFFERENCE ORBASISChanged2)RNOtoreadlocallyclosevalvesandeliminated thepartofthestepwhichsaidtolocallyclosevalvesifvalvescannotbemanuallyclosed.Isolation valvesoutsidecnmtarenotmotoroperated.

Valveswerelocallycheckedclosedinstep7ofECA-O.O.~Nomotoroperatedisolation'valves insidecnmtsopartof2)eliminated.

~Deletedcontainment fancoolers.~Rewordedstepbecausereference plantdid.notaddressminiflowvalvesAlso>>chargiglineheadervalveisusedtoensuresealin)ection andpreventfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindicati' Page1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORHEOPNo.01-OHP4023.ECA-0.2 Rev.0TitleLossofAllACPowerRecoverMithSIReuiredPreparedby:J.Andrachek Date3/23/84D.C.COOKSTEPNO.3aRNO5bRNO7aRNOERGSTEPNO.3aRNO5bRNOEXPLANATION OFDIFFERENCE ORBASISLDeletedstatement tocloseCCHreturnisolation valvesinsidecontainment becauseCookhastwovalvesoutsidecontainment andonlyhandvalvesinside.Noemergency fancoolersinCookdesign.Sealinjection valvesoutsidecontainment arehandvalvestoRNOcolumnwaschangedtoreadlocallyclosevalves.Addedstepforairrecirculation/hydrogen skimmersystem.AddedstepforHydrogenigniters.

6488S/04-86 67

PageiG.D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEppNo.Ol-OHP4023.ECA-l.

1Rev.TitleLossofEmerencCoolantRecirculation Preparedby:C.SwensonDate584D.C.COOKSTEPNO.3Note16Note17Note20Note22Note5bTable18ERGSTEPNO.31718212346bTable19EXPLANATION OFDIFFERENCE ORBASIS~Addednotetoplacesteamdumpcontrolselectors inBYPASSZNTERLOCK whenTavgreaches541'Ptoallowcooldownvalvestooperate.~Deletedstep.Nofancoolersinicecondenser containment.

~Deletedappropriate columnstoaccomadate foricecondenser containment.

~Accumulator isolation valvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoring powertotheisolation valves.68 0

Pap';D.C.COOKEOPBACKGROOND DOCUMENTA IONFORMEOPNo.01-OHP4023,ECA-1.2 TjtleLOCAOutsideContainment Preparedby:R.StarsRev.Date3/2/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASISNONE69 D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.O1-oHPiRev.T<t18Uncontroll dPreparedby:J.D.GibbonsDateD.C.COOKSTEPNO.152737bERGSTEPNO.152737bEXPLANATION OFDIFFERENCE ORBASIS~NoS/GstopvalvebypassvalvesinCooksdesig.eDeletedsubsteptocheckpoweravailable becauseoperatorverifiespoweroncepershift.Also,breakerindication lightsandidentification areonthecontrolboard.BreakerswillnottriponanSIsignal.~Rewordedstepbecausereference plantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin5ection andprotectfromCCPrunout.aRewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindicati~Accumulator isolation valvesarealwayslockedout.sotheA/ERcolumnwaschangedtorestoring powertotheisolation valves.70 D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNg.01-OHP4023.ECA-3.

1Rev.0Tft1eSGTRPithLossofReactorCoolant-Subcooled RecoverDesiredPreparedby:R.J.LoiccoloD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS10Note20273110202731~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreaches541'Ftoallowthecooldownvalvestcoperate.oRewordedstepbecausereference plantdidnotaddressminiflowvalves.Alsocharginglineheadervalveisusedtoensuresealinfection andprotectfromCCRrunout.~Accumulator isolation valvesarealwayslockedout sotheA/ERcolumnwaschangedtorestoring powertoisolation valves.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindications.

71 APPENDIXCPagelofI9.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.Oi-OHP4023ECA-3'2Rev.0TitleSGTRWithLossOfReactorCoolant-Saturated RecoveryDesiredPreparedby:A16D.C.COOKSTEPNO.ERGSTEPNO~EXPLANATION OFDIFFERENCE ORBASIS5Note21252125~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreach541'Ftoallowcooldownvalvestooperate.~Rewordedstepbecausereference plantdidnotaddressminiflowvalves.Alsocharginglineheaderisusedtoensuresealin)ection andprotectfromCCPrunout.~Accumulator isolation valvearealwayslockec'ut sotheA/ERcolumnwaschangedtorestorpowertoisolation valves.~RewordedhighlevelstepbecausecriteriatoVerifysealreturnflowarealllocalindications.

72 APPENDIXCPage1oflD.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.Ol-OHP4023.ECA-3.3 TitleSGTRWithoutPrrPPreparedby:C.SwensonRcv.DateD.C.COOKSTEPNO..4c101923b26NOTE34NOTEERGSTEPNO.4c91822b2533EXPLANATION OFDIFFERENCE ORBASIS~Rewardedstepbecausereference plantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin)ection andprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindications.

~Accumulator isolation valvesarealwayslockedoutsotheA/ERcolumnwas@hangedtorestoring powertotheisolation valves.~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whenTavgreaches541oFtoallowcooldownvalvestooperate.73

Pag:.":1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.01WHP4023.FR-S.

1TitleResonsetoNulePreparedby:C.MorganRev.0Date3/2/84D.C.COOKSTEPNO.2aRNO10ERGSTEPNO.2aRNO4dEXPLANATION OFDIFFERENCE ORBASIS~NoS/GstopvalvebypassvalvesinCookdesigneStepwaschangedtoinfecttheBITasthisisthebestmethodforrapidboration.

~Step4dbecamenewstep5sincestep4waschangedtoinferBIT.~NoS/Gstopvalv~valvesinCookdesign74 Pageio;DCCOOKEOPBACKGROUND DOCUMENTATION FORMFOPNo.01WHP4023.FR-S.2 Rev.0ResponsetoLossofCoreShutdownPreparedby:J.D.Andrachek DateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASISNONE7S

APPENDIXCPagelof1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo."-HP40.FR-1Rev~~QTitleRoneTInadeUateCoreCoolinPreparedby:J:Andrachek Date22084D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS5Note"lla12Note15Note10all14~AddedsteptoturnonHignitors, pericecondensor modification.

~Accumulator isolation valvesarealwayslockedoutsotheA/ERcolumnwaschangedtorestoring powertoisolation valves.~Deletedsubsteptocheckpoweravailable becauseoperatorverifiespoweroncepershift.Also,breakerindication lightsandidentification areonthecontrolboard.BreakerswillnottriponanSIsignal.~Addednotetoplacesteamdumpcontrolselector.

inBYPASSINTERLOCK whenTavgreaches541'Ftoallowcooldownvalvestooperate.76 Pa9eIQ~1D,C.'COOKEOPBACKGROUND QOCUME."STATION FORMEOPNo,01-OHP4023.FR-C.2

-Rev.Tlt1eRESPONSETODEGRADEDCORECOOLINGPreparedby:JD.ANDRACHEK Date3/24/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS2A/ERllNote15NoteeAddednewsteptoturnonhydrogenignitors~Accumulator isolation valvesarealwayslockedout,soA/ERcolumnwaschangedtorestoring powertoisolation valvebreakers.

AlsobreakerswillnottriponanSIsignal.~Addednotetoplacesteamdumpcontrolselectors inBYPASSINTERLOCK whentavgreaches541oF,toallowcooldownvalvestooperate.77

PaceiG.lD.C.COOKEOPBACKGROUND 00CUHENTATION FORMEOPNo.01-OHP4023.FR-C

.3Rev.RESPONSETOSATURATED CORECONDETlONS Preparedby:J.DANDRACHEK Date3/3O/840.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS3a~DeletedstepforcheckingpowertoPORVblockvalvesbecauseoperatorchecksoncepershiftandbreakerindication lightsandidentification areonthecontrolboard.Also,breakerwillnottriponSIsignal.78

APPENDIXCPage1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.01-OHP4023.FR-H;1 Rev.TitIeResponsetoLossofSecondary HeatSinkPreparedby:D.DikhuthII~384'.C.COOKSTEPNO.ERGSTEPMO.EXPLANATION OFDIFFERENCE ORBASIS152515a25~Deletedsubsteptocheckpoweravailable b'ecauseoperatorverifiespoweroncepershift.Also,breakerindication lightsandindicatior.

areonthecontrolboard.BreakerswillnottriponanSIsignal.~Rewordedstepbecausereference plantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin5ection andpreventfromCCPrunout.79

Page1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.01-OHP4023.FR-H.2 Rev.0TitleResonsetoSteamGenerator OverressurePreparedby:3.D.Andrachek Date4/4/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASISoNofeedwater bypassvalvesinCookdesign.oNoS.G.stopvalvebypassvalvesinCookdesign.6488S/04-86 80

Page1oflD.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.Ol-OHP4023.FR-H.3 Rev.TitleResonsetoSteamGenerator HihLevelPreparedby:A.J.SabolDate3/27/84D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS..oNofeedwater bypassvalvesinCookdesign.oNoS/GstopvalvebypassvalvesinCookdesign.e4sss/o4-se 81 Pagio-.D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPN0.oi-OHP~O2~.FR-H.I Rev.TitleResonsetoLossofNormalSteam.ReleaseCaaPreparedby:J.D.GibbonsJr.DateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASISNONE82 D.C.COOKEOPBACKGROUND DOCUMENTATION FORMEPPNa.01-OHP4023.FR-H.5 Rev.0TjgleResponsetoSteamGenerator LowLevelPreparedby:A.J.SabolDate4/1684D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFrERENCE ORBASISNONE83 APPENDIXCPage1ofID.C.COOKEOPBACKGROUND DOCUMENTATION FORMEOPNo.'ll-OHP4023.FR-P:1 Rev.TitleResonsetoImninentPressurized ThermalShockCondition Preparedby:E.TacikDate3484D.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS1014a1014aoDeletedsubsteptocheckpoweravailable becausioperatorverifiespoweroncepershift.Also,breakerindication lightsandidentification areonthecontrolboard.'reakers willnottriponanSIsignalssubstepBwasmovedtohig'ilevel responsetofollowERGformat.~Rewordedstepbecausereference plantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealin)ection andprotectfromCCPrunout.~Accumulator isolation valvesarealwayslockedout.soA/ERcolumnwaschangedtorestoring powertoisloation valves.84 Pa"eD.C.COOKEOPBACKGROUND DOCVH"-NTA IONFORMEOPNo.01OHP4023.FR-P.2 TitlePreparedby:A.J.SabolRev.DateD.C.COOKSTEPNO'.1.c.RNOERGSTEPNO.1.c.RNOEXPLANATION OFDIFFERENCE ORBASIS~NoS/GstopvalvebypassvalvesinCookdesigE85 Page1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORHEOPNo.01-OHP4023.FR-Z.l Rev.TitleResonsetoHihContainment PressurePreparedby:A.3.SabolDate4/25/84D.C.COOKERGSTEPNO.STEPNO.EXPLANATION OFDIFFERENCE ORBASIS333dA/ERoStepmodifiedforicecondenser containment becausespraypumpswillalreadybeoperating withthisprocedure ineffect.oPhase8isolation valveswasmadeanewstepsincestep3waschangedtoverifycontainment sprayoperation.

oStepdeletedbecausenofancoolersinicecondenser containment; oNoS/GstopvalvebypassvalvesinCookdesign.oNewstepforicecondenser modification.

oNewstepduetoplantdesignforRHRspraycapability.

oNewstepaddedtoturnonHydrogenignitors.

oStepdeletedbecauseCookdesigncontinuously monitorshydrogenconcentration whichisinitiated inStep8b.6488S/04-86 86

Pagelc-."I1~*D~C~COOKEOPBACKGROUND DOCUH=-llTATION FORMIIPpi~~EOPNo.Ol-OHP4O23.FR-Z.2 Rev.Tht1eResonsetoContainment FloodinPreparedby:A.J.SabolDateD.C.COOKSTEPNO;ERGSTEPNo.EXPLANATION OFDIFFERENCE ORBASISNONE'\~87 Payic-.D.C.COOKEQPBACKGROUND DOCUH="NTATION FORMEOPNo.Tkt1eResonsetoHfhcontainmnPreparedby:A.J.Sabol~Rev.0DateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFFERENCE ORBASIS88 Pageic..D.C.COOKEOPBACKGROUND DOCUM""!~iATION FORMEOPNo.Ol-OHP4023.PR-z.

1Rev.Tjt)eResponsetoHighPressurizer LevelPreparedby:A.J.SabolDate4/10/84D.C.COOKSTEPNO;2cRNOERGSTEPNO.2cRNOEXPLANATION OFDIFFERENCE ORBASIS~Rewordedstepbecausereference plantdidnotaddressminiflowvalves.Alsocharginglineheadervalveisusedtoensuresealin)ection andprotectfromCCPrunout.~Rewordedhighlevelstepbecausecriteriatoverifysealreturnflowarealllocalindications.

89 Pageic-.D.C.COOKEOPBACKGROUND DOCUM=tiTATION FORMEOPNo.-Ol-OHpRev.ResponsetoLowPressurizer LevelPreparedby:K.J.victorDateD.C.COOKSTEPNO.ERGSTEPNO.EXPLANATION OFDIFrERENCE ORBASIS2cRNO2cRNO~Rewordedstepbecausereference plantdidnotaddressminiflowvalves.Also,charginglineheadervalveisusedtoensuresealinfection andprotectfromCCPrunout.90 Page1of1D.C.COOKEOPBACKGROUND DOCUMENTATION FORHEOPNo.Ol-OHP4023.FR-I.3 Rev.0TitleResonsetoVoidsinReactorVesselPreparedby:A.3.SabolDate4/24/84D.C.COOKERGSTEPNO.STEPNO.2cRNO2cRNO17EXPLANATION OFDIFFERENCE ORBASISoRewordedstepbecausereference plantdidnotaddressminiflowvalves,Also,charginglineheadervalvesisusedtoensuresealinjection andprotectfromCCPrunout.oAddedstepforhydrogenigniters.

6488S/04-86 91