ML17262A883
| ML17262A883 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 05/06/1992 |
| From: | ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17262A884 | List: |
| References | |
| ECA-.1, ECA-0.1, NUDOCS 9206160382 | |
| Download: ML17262A883 (46) | |
Text
EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE1of20ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATEr)PLANTSUPERINTENDENTEFECTVEDATECATEGORY"1.0REVIEWEDBY:920bfb03820500024920bpsPDR*DOCK@DRIP
(
EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE2of20A.PURPOSE-ThisprocedureprovidesactionstousenormaloperationalsystemstostabilizeplantconditionsfollowingrestorationofACemergencypower-B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-ThisProcedureisenteredfrom:a.ECA-O.O,LOSSOFALLACPOWER,whenACemergencypowerisrestoredandSIisnotrequired.
P%lq>~gt EOP:ECA-0.1LITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV6PAGE3of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:oCSFSTsshouldbemonitoredforinformationonly.FRproceduresshouldnotbeimplementedpriortocompletionofStep11.oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiationisgreaterthan10+R/hr.1CheckRCPSealIsolationStatus:a.RCPsealinjectionneedlevalvesCLOSED~V-300A~V-300Ba.DispatchAOwithkeytoRWSTgatetolocallyclosevalvesbeforestartingchargingpump.b.RCPCCWreturnvalves-CLOSED~MOV-759A~MOV-759Bb.IFvalvesopenorpositionnotknown,THENcheckCCWpumpstatus:1)IFpumprunning,THENgotoStep2.2)IFpumpNOTrunning,THENmanuallyclosevalves.IFvalve(s)canNOTbeclosed,THENplaceswitchesforRCPthermalbarrierCCWoutletvalvestoCLOSE.~AOV-754A~AOV-754B2CheckCIAnnunciatorA-26,CONTAINMENTISOLATIONEXTINGUISHEDPerformthefollowing:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CONTAINMENTISOLATION,extinguished.
EOP:ECA-0.1TI'TLELOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE4of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED3EstablishIAtoCNMT:a.Verifynon-safeguardsbussesenergizedfromoffsitepoweroBus13normalfeed-CLOSEDa.Performthefollowing:1)Closenon-safeguardsbustiebreakers:-OR-oBus15normalfeed-CLOSED~Bus13toBus14tie~Bus15toBus16tieb.CheckatleasttwoSWpumpsRUNNINGc.VerifyturbinebuildingSWisolationvalves-OPENb.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENgotoStep4.c.Manuallyalignvalves'MOV-4613andMOV-4670~MOV-4614andMOV-4664d.Startatleasttwoaircompressors(75kweach)e.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASINGf.ResetbothtrainsofXYrelaysforIAtoCNMT(AOV-5392)ifnecessaryg.VerifyIAtoCNMTAOV-5392-OPENd.IFaircompressorscanNOTbestarted,THENdispatchAOtolocallyresetcompressorsasnecessary.e.Performthefollowing:1)ContinueattemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENTAIR).2)ContinuewithStep6.WHENIArestored,THENdoSteps3fthrough5.
~tJ EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE5of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED************+****************************CAUTIONTHELOADSPLACEDONTHEENERGIZEDACEMERGENCYBUSSHOULDNOTEXCEEDTHECAPACITYOFTHEPOWERSOURCE.************+****************************4ManuallyLoadFollowingEquipmentOnACEmergencyBusses:a.StartoneCCWpump(124kw)b.EnergizeMCCsaspowersupplypermits~MCCAfromBus13~MCCBfromBus15~MCCEfromBus15~MCCFfromBus15c.VerifyinstrumentbusD-ENERGIZEDId.WHENbus15restored,THENresetcontrolroomlightinge.StartatleastoneCNMTRECIRCfanf.RestoreRxheadcoolingaspowersupplypermits:1)CheckIAtoCNMT-AVAILABLE2)StartoneRxcompartmentcoolingfan(23kweach)3)Startbothcontrolrodshroudfans(45kweach)g.DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)c.RestorepowertoinstrumentbusDfromMCCBorMCCA(maintenancesupply).1)GotoStep5.2)Performthefollowing:oDispatchAOtoresetUVrelaysatMCCCandMCCD.oManuallystartonefanaspowersupplypermits.(23kw)3)Manuallystartatleastonefan(45kw)
Rlt1uAby4/k~10t~~08 EOP:ECA-0.1TI!LE:LOSSOFALI,ACPOWERRECOVERYWITHOUTSIREQUIREDREV!6PAGE6of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED5CheckIfChargingFlowHasBeenEstablished:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)EnsuresealinjectionneedlevalvestobothRCPsisolated:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandatOa.b.ChargingpumpsuctionalignedtoRWST'LCV-112B-OPENoLCV-112C-CLOSEDb.Manuallyalignvalvesasnecessary.IFLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).c.Startchargingpumps(75kweach)asnecessaryandadjustchargingflowtorestorePRZRlevel3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).
4IY' EOP:ECA-0.1T!TLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV6PAGE7of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6VerifySIFlowNotRequired:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGb.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]a.GotoECA-0.2,LOSSOFALLACPOWERRECOVERYWITHSIREQUIRED,Stepl.b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained,THENgotoECA-0.2,LOSSOFALLACPOWERRECOVERYWITHSIREQUIRED,Stepl.7CheckPRZRLevel-GREATERTHAN134[404'ORADVERSECONTAINMENT]Controlchargingflowasnecessary.
I4r' EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV6PAGE8of20STEPACTION/EXPECTEDRESPONSFRESPONSENOTOBTAINED*****************************************CAUTIONoIFCSTLEVELDECREASESTOLESSTHAN5FEET,THENALTERNATEWATERSOURCESFORAFWPUMPSWILLBENECESSARY(REFERTOER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).oIFS/GNRLEVELDECREASESTOLESSTHAN5%[25%ADVERSECNMT]ANDFEEDFLOWISLESSTHAN200GPM,THENTHEMDAFWPUMPSSHOULDBEMANUALLYLOADEDONACEMERGENCYBUSTOSUPPLYWATERTOTHES/G(S).NOTE:oIfMDAFWpumpoperationisnotrequired,pumpswitchesshouldbemaintainedinPULL-STOPtopreventautomaticstart.oTDAFWpumpflowcontrolvalvesfailopenonlossofIA.8CheckIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT]a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneS/G.IFfeedflowlessthan200gpm,THENperformthefollowing:1)VerifyMDAFWpumpdischargevalvesopen.~MOV-4007~MOV-4008b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT]and50%2)ManuallystartMDAFWpumpsasnecessary(228KWeach).
'Ira EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV'PAGE9of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9EstablishS/GPressureControl:a.AdjustS/GARVcontrollerstomaintainexistingS/Gpressureb.VerifyS/GARVcontrollersinAUTOc.DispatchAOtoperformAttachmentSD-2NOTE;IfanyheattracingorBASTtemperaturesarelow,flowpathsfromtheBASTsshouldbeevaluatedbeforebeingused.10CheckBASTTemperature:oAnnunciatorB-31,BASTTEMPORLON2PRESS-EXTINGUISHEDPerformthefollowing:a.VerifySIpumpsuctionvalvesfromBASTsclosed.oAnnunciatorK-22,HEATTRACINGSYSTEM-EXTINGUISHED~MOV-826AorMOV-826B~MOV-826CorMOV-826Db.OpenatleastoneSIpumpsuctionvalvefromRWST.oMOV-825A-OR-oMOV-825Bc.DispatchAOtolocallycheckBASTandheattracingtemperatures.
k6C' EOP:ECA-0.1T1TLF:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6pAGE10of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:SafeguardspumpswitchesshouldbeplacedinAUTOonlyifassociatedbusisenergized.11PlaceFollowingPumpSwitchesInAUTO:~SIpumps~RHRpumps~CNMTspraypumpsNOTE:FRproceduresmaynowbeimplementedasnecessary.12VerifyAdequateSHFlowToCCWHx:a.VerifyatleasttwoSWpumpsRUNNINGb.VerifyAUXBLDGSWisolationvalves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735c.VerifyCNMTRECIRCfanannunciatorC-2,HIGHTEMPERATUREALARM-EXTINGUISHEDa.Manuallystartpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpscanbeoperated,THENgotoStep19.b.EstablishSWtoAUXBLDG(RefertoAttachmentAUXBLDGSW).ContinuewithStep19.WHENSWrestoredtoAUXBLDG,THENdoSteps12cthrough18.c.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.
4gtill>'6II4iI EOP:ECA-F1TITLE:LOSSOFALZ,ACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE11of,20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED13CheckIfNormalCVCSOperationCanBeEstablisheda.VerifyIArestored:oIAtoCNMT(AOV-5392)-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep19.WHENIArestored,THENdoSteps13through18.b.Chargingpump-ANYRUNNINGb.ContinuewithStep19.WHENanychargingpumprunning,THENdoSteps14through18.
'l41JILF4 EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE12of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDCheckIfSealReturnFlowShouldBeEstablished:a.VerifyRCP¹1sealoutlettemperature-LESSTHAN235'Fb.VerifyRCPsealoutletvalvesOPEN~AOV-270A~AOV-270Ba.GotoStep15.b.Manuallyopenvalvesasnecessary.c.ResetbothtrainsofXYrelaysforRCPsealreturnisolationvalveMOV-313ifnecessaryd.OpenRCPsealreturnisolationvalveMOV-313e.VerifyRCP¹1sealleakoffflowLESSTHAN5.5GPMd.Performthefollowing:1)PlaceMOV-313switchtoOPEN.2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.IFanyRCPsealleakoffflowgreaterthan5.5gpmTHENclosetheaffectedRCPsealdischargevalve:f.VerifyRCP¹1sealleakoffflowGREATERTHAN0.25GPM~RCPA,AOV-270A~RCPB,AOV<<270BIFbothRCPsealdischargevalvesareshut,THENgotoStep15.f.RefertoAP-RCP.1,RCPSEALMALFUNCTION.
eW1I~Iff)JW~IIll EOI"ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE13of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15VerifyPRZRLevel-GREATERTHAN13%[404adverseCNMT]ContinuewithStep19.WHENPRZRlevelincreasestogreaterthan13%[40%adverseCNMT],THENdoSteps16through18.16EstablishNormalLetdown:a.EstablishcharginglineflowtoREGENHx-GREATERTHAN20GPMb.PlacethefollowingswitchestoCLOSE'Letdownorificevalves(AOV-200A,AOV-200B,andAOV-202)~AOV-371,letdownisolationvalve~AOV-427,loopBcoldlegtoREGENHxc.PlaceletdowncontrollersinMANUALat25%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427ifnecessarye.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessaryg.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessaryIFRCPsealreturnhasbeenestablished,THENestablishexcessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745).oOpenexcessletdownisolationvalveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.IFRCPsealreturnNOTestablished,THENconsultTSCtodetermineifexcessletdownshouldbeplacedinservice.
L~+II~IFe EOP:ECA-0.1LITLE:LOSSOFALI,ACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE14of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED17CheckVCTMakeupSystem:a.Verifythefollowing:1)BoricacidflowcontrolvalveSETFORREQUIREDCSDCONCENTRATION(RefertoFigureSDM)2)AtleastoneBAand.RMWpumpinAUTOa.IFVCTautomakeupcanNOTbeestablished,THENmanuallycontrolVCTlevel(RefertoER-CVCS~1,REACTORMAKEUPCONTROLMALFUNCTION).3)RMWmodeselectorswitchinAUTO4)RMWcontrolarmed-REDLIGHTLITb.CheckVCTleveloLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASINGb.ManuallyincreaseVCTmakeupflow'asfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.IFNOT",THENdispatchAOtoresetMCCCandMCCDUVlockoutsasnecessary..,2)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.IFVCTlevelcanNOTberestored,THENgotoStep19.
E>Ifi EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE15of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED18CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintainedgreaterthan5%,THENperformthefollowing:1)Ensurechargingpump'uctionaligned,toRWST:oLCV-112BopenoLCV-112Cclosed2)ContinuewithStep19.WHENVCTlevelgreaterthan40%,THENdoStep18b.b.VerifychargingpumpsalignedtoVCToLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.19Control'RZRLevel:a.Checkletdown-INSERVICEb.MaintainPRZRlevelbetween13%(40%adverseCNMT]and50%a.StopandstartchargingpumpsasnecessarytocontrolPRZRlevel.
h,~Q~st.
EOPIECA-0.1TITLE:LOSSOFALI,ACPOWERRECOVERYWITHOUTSIREQUIREDREV6PAGE16of2OSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingaPRZRPORVselectonewithanoperableblockvalve.20EstablishPRZRPressureControl:a.Checkletdown-INSERVICEb.UsePRZRheatersandauxiliarysprayvalve(AOV-296)tomaintainRCSpressurea.Performthefollowing:1)UsePRZRheatersandonePRZRPORVtomaintainRCSpressure.IFIANOTavailable,THENRefertoAttachmentN2PORVS~tooperatePORV.2)GotoStep21.21VerifyNaturalCirculation:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGIncreasedumpingsteamfromintactS/Gs.oS/Gpressures-STABLEORDECREASINGoRCShotlegtemperaturesSTABLEORDECREASINGoCoreexitT/Cs-STABLEORDECREASINGoRCScoldlegtemperatures-ATSATURATIONTEMPERATUREFORS/GPRESSURE
~I EOP:ECA-0'TITLE:LOSSOFALI,ACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE17of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTconditionsorlossofforcedaircoolingmayresultinfailureofNISdetectors.22CheckIfSourceRangeDetectorsShouldBeEnergized:a.SourcerangechannelsDEENERGIZEDa.GotoStep22e.b.Checkintermediaterangeflux-EITHERCHANNELLESSTHAN1010AMPSb.Performthefollowing:1)IFneitherintermediaterangechannelisdecreasingTHENinitiateboration.c.Checkthefollowing:oBothintermediaterangechannels-LESSTHAN10AMPS2)ContinuewithStep23.WHENfluxisLESSTHAN101ampsonanyoperablechannel,THENdoSteps22cthroughe.c.ContinuewithStep23.WHENeitherconditionmet,THENdoSteps22dande.-OR-oGreaterthan20minutessincereactortripd.VerifysourcerangedetectorsENERGIZEDd.ManuallyenergizesourcerangedetectorsbydepressingP-6permissivedefeatpushbuttons(2of2).IFsourcerangescanNOTberestored,THENrefertoER-NIS.1,SRMALFUNCTIONandgotoStep23.e.TransferRk-45recordertoonesourcerangeandoneintermediaterangechannel LID EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE18of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoRCPTHERMALBARRIERCOOLINGSHOULDBEESTABLISHEDSLOWLYTOMINIMIZEPOTENTIALINTRODUCTIONOFSTEAMINTOTHECCWSYSTEMANDTHERMALSHOCKTORCP.oRCPSEALINJECTIONSHOULDBEESTABLISHEDSLOWLYTOMINIMIZERCPTHERMAL,STRESSESANDPOTENTIALSEALFAILURES.oASPARTOFSUBSEQUENTRECOVERYACTIONS,RCP(S)SHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATIONUNLESSREQUIREDBYANINADEQUATECORECOOLINGSITUATION.NOTE:SWshouldbealignedtoCCWHxsbeforerestoringRCPsealcooling.23CheckRCPCooling:a.CheckCCWtoRCPs:EstablishnormalcoolingtoRCPs(RefertoAttachmentSEALCOOLING).oAnnunciatorA-7,RCP1ACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDoAnnunciatorA-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDb.CheckRCPsealinjection:oLabyrinthsealD/Ps-GREATERTHAN15INCHESOFWATER-OR-oRCPsealinjectionflowtoeachRCP-GREATERTHAN6GPM
~mS4ee1I"4<,
EOP:ECA-0.1TITLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE19of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED24.VerifyAdequateShutdownMargin:a.DirectHPtosampleRCSandPRZRliquidforboronconcentrationb.Verifyboronconcentration-GREATERTHANREQUIREMENTSOFFIGURESDMb.Borateasnecessary.25MaintainStablePlantConditionsa.RCSpressure-STABLEb.RCStemperature-STABLEc.PRZRlevel-BETWEEN13%[40%adverseCNMT]and50%d.IntactS/Glevel-.BETWEEN17%[25%adverseCNMT]and50%a.ControlPRZRheatersandauxiliarysprayifavailable.b.Controldumpingsteamasnecessary.c.Controlchargingasnecessary.d.ControlS/Gfeedflowasnecessary.26VerifySIFlowNotRequired:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGb.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)a.GotoECA-0.2,LOSSOFALLACPOWERRECOVERYWITHSIREQUIRED,Stepl.b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained,THENgotoECA-0.2,LOSSOFALLACPOWERRECOVERYWITHSIREQUIRED,Step1.
4'*QFIL(
EOP:ECA-0.1LITLE:LOSSOFAI,I,ACPOWERRECOVERYWITHOUTSIREQUIREDREV'PAGE20of20STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDh27TryToRestoreOffsitePowerToAllACBusses(RefertoER-ELEC.1,RESTORATIONOFOFFSITEPOWER)MaintainplantconditionstableusingACemergencypower.28DetermineIfNaturalCirculationCooldownIsRequired:a.ConsultplantstafftodetermineifRCScooldownisnecessarya.IFcooldownNOTrequired,THENgoto0-3,HOTSHUTDOWNWITHXENONPRESENT.b.AtleastoneRCP-OPERABLEb.GotoES-0.2,NATURALCIRCULATIONCOOLDOWN.c.Goto0-2.2,PLANTSHUTDOWNFROMHOTSHUTDOWNTOCOLDSHUTDOWN-END-1I+'1 EOP:ECA-0'T1TLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV!6PAGE1of1ECA-0.1APPENDIXLIS'TTITLEPAGES1)FIGUREMINSUBCOOLING2)FIGURESDM3)ATTACHMENTSD-14)ATTACHMENTSD-25)ATTACHMENTN2PORVS6)ATTACHMENTSEALCOOLING7)ATTACHMENTAUXBLDGSW 5~*C)ar.~~J~3 EOP:ECA-0.1TITLE:LOSSOFAILACPOWERRECOVERYWITHOUTSIREQUIREDREV:6PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationRC2500240023002200210020001900180017001600150013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS20PSIGSUBCOOLEDREGIONADVERSECNHTNORMALCNMTINADEQUATESUBCOOLINGREGIONTEMPERATUREINCREMENTS10'f200250300350400450500550600650700COREEXITSATURATIONTEMPERATURE('f) 4*~~t>>hL~A<<4rJ~te+Xc'C,4'1al EOP:ECA-0.1TLTLE:LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIREDREV6PAGE1of1BORONCONCENTRATION(PPH)1800FIGURESDM1600BORONINCREMENTS20PPH140012001000ADEQUATESDM100PPHCONSERVATISHINCLUDEDSOO600400ORA200BURNUPINCREMENTS100HWD/HTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(HWD/HTU)NOTE:Toobtaincoreburnup,usePPCS.turnoncodeBURNUP.
I