ML17263A275

Rev 7 to EOP FR-S.1, Response to Reactor Restart/Atws.

ML17263A275
Person / Time
Site:	Ginna
Issue date:	04/14/1993
From:	MARLOW T A ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A269	List: ML17263A268 ML17263A270 ML17263A271 ML17263A272 ML17263A273 ML17263A274 ML17263A275 ML17263A276
References
FR-S.1, NUDOCS 9305140056
Download: ML17263A275 (26)

Text

EOP:FR-S.1TITLE:RESPONSETOREACTORRESTART/ATWSREV:7PAGE1of11ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATEPLANTSUPERINTENDENTEFFECTIVEDATECATEGORY1.0REVIEWEDBY:930514005b930505'PDRADOCK05000244FPDR

.L1 EOP:FR-S.1RESPONSETOREACTORRESTART/ATWSREV!7PAGE2of11A.PURPOSE-Thisprocedureprovidesactionstoaddnegativereactivitytoacorewhichisobservedtobecriticalwhenexpectedtobeshutdown.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-O,REACTORTRIPORSAFETYINJECTION,whenreactortripisnotverifiedandmanualtripisnoteffective.b.F-0.1,SUBCRITICALITYCriticalSafetyFunctionStatusTreeoneitheraREDorORANGEcondition.

EOP:FR-S.1RESPONSETOREACTORRESTART/ATWSREV:7PAGE3of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:oSteps1through4areIMMEDIATEACTIONsteps.oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiationisgreaterthan10+05R/hr.oAtleastonetrainofreactortripbreakers-OPENoNeutronflux-DECREASINGoMRPIindicates-ALLCONTROLANDSHUTDOWNRODSONBOTTOMManuallytripreactor.IFreactortripbreakersNOTopen,THENmanuallyinsertcontrolrods.O2VerifyTurbineStopValves-CLOSEDManuallytripturbine.IFturbinetripcanNOTbeverified,THENclosebothMSIVs.3CheckAFWPumpsRunning:a.MDAFWpumps-RUNNINGb.TDAFWpump-RUNNINGIFNECESSARYa.ManuallystartMDAFWpumps.b.Manuallyopensteamsupplyvalves.~MOV-3505A~MOV-3504A

EOP:FR-S.1TITLE:RESPONSETOREACTORRESTART/ATWSREV:7PAGE4-of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONACTIONSTAKENTOINITIATERCSBORATIONSHALLNOTBEREVERSEDWHENPERFORMINGIMMEDIATEACTIONSOFE-O,REACTORTRIPORSAFETYINJECTION.NOTE:IfoffsitepowerislostcoincidentwithSI,thenMCCCandMCCDlockoutrelaysmustberesettorestoreBAandRMWpumps.O4InitiateEmergencyBorationOfRCS:a.CheckSIstatus:oAllSIannunciatorsEXTINGUISHEDoAllSIpumps-OFFINAUTOb.Verifyatleastonechargingpump-RUNNINGc,Alignborationpath:1)StarttwoBAtransferpumps2)OpenMOV-3503)VerifyBAflowd.Verifychargingflowpath:oChargingvalvetoloopBcoldleg(AOV-294)-OPENoChargingflowcontrolvalve(HCV-142)-DEMANDAT0'5a.Performthefollowing:1)CompletetheimmediateactionsofE-O,REACTORTRIPORSAFETYINJECTION,whilecontinuingwiththisprocedure2)IFSIflowindicated,THENgotoStep5.IFNOT,THENgotoStep4b.b.Performthefollowing:1)ResetSIifnecessary.2)Startonechargingpump.c.Initiatenormalborationatmaximumrateusingtheboricacidflowcontrolvalve,FCV-110A.IFflowcanNOTbeestablished,THENrefertoER-CVCS.1,REACTORMAKEUPCONTROLMALFUNCTION.d.Manuallyalignvalvesandverifyflow.

EOP:FR-ST1RESPONSETOREACTORRESTART/ATWSREV:7PAGE5of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED5CheckIfTheFollowingTripsHaveOccurred:a.Reactortripa.DispatchAOtolocallytripreactor:oTripMGsetbreakersatbus13andbus15.b.TurbinetripoOpenreactortripbreakerslocally.b.DispatchoperatortolocallytripturbineusingmanualtripleveronwestendofHPturbine.6CheckPRZRPORVStatus:oRCSpressure-LESSTHAN2335PSIGoPORVs-CLOSEDVerifyCNMTventilationisolation.IFdampersNOTclosed,THENmomentarilydeenergizeCNMTparticulatemonitor,R-ll,toactuateCVI.oAnnunciatorF-19,PRZRPORVOUTLETHITEMP-EXTINGUISHED

EOP:FR-S~1TITLE:RESPONSETOREACTORRESTART/ATWSREV'PAGE6of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFCSTLEVELDECREASESTOLESSTHAN5FEET,THENALTERNATEWATERSOURCESFORAFWPUMPSWILLBENECESSARY(REFERTOER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).7CheckS/GLevel:a.NarrowrangelevelinatleastoneS/G-GREATERTHAN5%(25%adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween17$t25%adverseCNMT]and50%a.Performthefollowing:1)Verifytotalfeedflowgreaterthan400gpm.IFNOT,THENmanuallystartpumpsandalignvalvesasnecessary.2)Maintaintotalfeedflowgreaterthan400gpmuntilnarrowrangelevelgreaterthan5$[25%adverseCNMT]inatleastoneS/G.8VerifyDilutionPaths-ISOLATEDManuallyisolatedilutionpaths.oPlaceRMWmodeswitchtoBORATEoVerifyRMWtoblender(HCV-ill)CLOSEDoVerifyRMWpumps-OFF y't EOP:FR-ST1RESPONSETOREACTORRESTART/ATWSREV:7PAGE7ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9StabilizeRCSTemperature:a.Controlsteamdumpasnecessaryb.Verifythefollowing:oCoreexitT/Cs-STABLEORINCREASINGb.IFRCScooldowncanNOTbecontrolled,THENclosebothMSIVsandgotoStep10.oPressureinbothS/GsSTABLEORINCREASINGoPressureinbothS/GsGREATERTHAN100PSIGc.GotoStep1410VerifyMFWIsolation:a.MFWpumps-TRIPPEDb.MFWflowcontrolvalves-CLOSED~MFWregulatingvalves~MFWbypassvalvesa.ManuallycloseMFWpumpdischargevalvesandtripMFWpumps.b.PlaceAandBS/GMFWregulatingvalveandbypassvalvecontrollerstoMANUALat0%demand.11IdentifyFaultedS/G:oAnyS/GPressure-DECREASINGINANUNCONTROLLEDMANNERGotoStep14.-OR-oAnyS/G-COMPLETELYDEPRESSURIZED

EOP:FR-S.1TITLE:RESPONSETOREACTORRESTART/ATWSREV:7PAGE8of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoATLEASTONES/GSHALLBEMAINTAINEDAVAILABLEFORRCSCOOLDOWN.oIFBOTHS/GSAREFAULTED,ATLEAST50GPMFEEDFLOWSHOULDBEMAINTAINEDTOEACHS/G.12IsolateFeedFlowToFaultedS/G:oClosefaultedS/GMDAFWpumpdischargevalve~S/GA,MOV-4007~S/GB,MOV-4008oPullstopfaultedS/GMDAFWpumpoClosefaultedS/GTDAFWflowcontrolvalveManuallyclosevalves.IFvalvescanNOTbeclosed,THENdispatchAOtolocallyisolateflowpathsasnecessary.~S/GA,AOV-4297~S/GB,AOV-4298oVerifyfaultedS/GMFWregulatingvalveandbypassvalve-CLOSED~S/GA,HCV-466andHCV-480~S/GB,HCV-476andHCV-481oVerifyMDAFWpumpcrosstievalves-BOTHCLOSED~MOV-4000A~MOV-4000BoClosefaultedS/GSAFWpumpdischargevalve~S/GA,MOV-9701A~S/GB,MOV-9701B

EOP:FR-S.1RESPONSETOREACTORRESTART/ATWSREV:7PAGE9of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED13IsolateSteamFlowFromFaultedS/G:oVerifyfaultedS/GARV-CLOSED~S/GA,AOV-3411~S/GB,AOV-3410oClosefaultedS/GTDAFWpumpsteamsupplyvalveandplaceinPULLSTOPManuallyclosevalves.IFvalvescanNOTbeclosed,THENdispatchAOtolocallyisolateflowpathsasnecessary.~S/GA,MOV-3505A~S/GB,MOV-3504AoVerifyfaultedS/Gblowdownandsamplevalves-CLOSED~S/GA,AOV-5738andAOV-5735~S/GB,AOV-5737andAOV-5736oDispatchAOtocompletefaultedS/Gisolation(RefertoAttachmentFAULTEDS/G)

A EOP:FR-S.1T1TLE:RESPONSETOREACTORRESTART/ATWSREV:7PAGE10of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONBORATIONSHOULDCONTINUETOOBTAINADEQUATESHUTDOWNMARGINDURINGSUBSEQUENTACTIONS.NOTE:AdverseCNMTconditionsorlossofforcedaircoolingmayresultinfailureofNISdetectors.14VerifyReactorSubcritical:oPowerrangechannels-LESSTHAN5%oIntermediaterangechannelsSTABLEORDECREASINGoIntermediaterangechannelsstartuprate-NEGATIVEoCoreexitT/Cs-STABLEPerformthefollowing:a.StabilizeRCStemperature.b.Continuetoinjectboricacid.c.DirectHPtosampleRCSandPRZRforboronconcentration.d.VerifyboronconcentrationgreaterthanFigureSDM.IFadequateshutdownmarginverified,THENreturntoprocedureandstepineffect.IFNOT,THENperformthefollowing:a.AllowRCStoheatup.b.PerformactionsofotherFRproceduresineffectwhichdoNOTcooldownorotherwiseaddpositivereactivitytothecore.cReturntoStep5.

EOP:FR-S.1RESPONSETOREACTORRESTART/ATWSREV:7PAGE11of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15ReturntoProcedureAndStepInEffect-END-

EOP:FR-S.1RESPONSETOREACTORRESTART/ATWSREV:7PAGE1of1FR-S.1APPENDIXLISTTITLEPAGES1)FIGURESDM2)ATTACHMENTFAULTEDS/G

EOP:FR-ST1TITLE:RESPONSETOREACTORRESTART/ATWSREV:7PAGE1of1FIGURESDM1NOTE:oCurveincludesallowanceforonestuckrod.Add100ppmforeachadditionalstuckrod.oToobtaincoreburnup,usePPCSturnoncodeBURNUP.BORONCONCENTRATION(PPH)18001600BORONINCREMENTS20PPM140012001000ADEQUATESDM100PPHCONSERVATISHINCLUDED800600400BORA200BURNUPINCREMENTS100HWD/MTU01000200030004000500060007000800090001000011000CYCLE23BURNUP(HWD/HTU)