ML17263A204
| ML17263A204 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 03/24/1993 |
| From: | MARLOW T A ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17263A191 | List: |
| References | |
| ES-1.3, NUDOCS 9304080168 | |
| Download: ML17263A204 (46) | |
Text
EOP:ES-1'TITLETRANSFERTOCOLDLEGRECIRCULATION REV15PAGE1of19ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIDATE9+fPLANTSUPERNEDENT.EFFECTIVE DATECATEGORY1'0REVIEWEDBY:'9304080ih8 930330PDRADOCK05000244P';PDR
/'
EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE2of19A.PURPOSE-Thisprocedure providesthenecessary instructions fortiansferring theSafetyInjection systemandContainment Spraysystemtorecirculation modesofoperation.
B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS
-Thisprocedure maybeenteredfrom:a.E-1,LOSSOFREACTORORSECONDARY COOLANT,or,b.ECA-0.2,LOSSOFALLACPOWERWITHSIREQUIRED; or,c.ECA-2.1,UNCONTROLLED DEPRESSURIZATION OFALLSTEAMGENERATORS, or,d.FR-C.1,RESPONSETOINADEQUATE CORECOOLING,or,e.FR-C.2,RESPONSETODEGRADEDCORECOOLING,or,f.FR-C.3,RESPONSETOSATURATED CORECOOLING,or,g.FR-H.1,RESPONSETOLOSSOFSECONDARY HEATSINK,or,h.FR-Z.1,RESPONSETOHIGHCONTAINMENT
- PRESSURE, onlowRWSTlevel.i.Otherprocedures wheneverRWSTlevelreachestheswitchover setpoint(284).
EOP:ES-1'TITLETRANSFERTOCOZEN)LEGRECIRCULATION REV:15PAGE3of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*********************4*****************CD~ONoINJECTION FLOWTOTHERCSSHALLBEMAINTAINED ATALLTIMES.oIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONVILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.
oCONSULTWITHHEALTHPHYSICSBEFOREDISPATCHING PERSONNEL TOAUXILIARY BUILDING.
NOTE:oFOLDOUTpageshouldbeopenandmonitored periodically.
oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10~R/hr.1VerifyCNMTSumpBLevel-GREATERTHAN113INCHES~RWSTlevelislessthan28%ANDCNMTsumpBlevelislessthan113inches,THENgotoECA-1.2,LOCAOUTSIDECONTAINMENT, Stepl.NOTE:Steps2'hrough11shouldbeperformed withoutdelay.FRprocedures shouldnotbeimplemented priortocompletion ofthesesteps.2ResetSI
ElP:ES-1.3TRANSFERToCOLDLEGRECIRCULATION REV15PAGE4of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:IFD/Gssupplying emergency ACbusses,THENnon-essential loadsmaybeshedasnecessary toallowstartofadditional SWpumps,3Establish AdequateSWFlov:a.VerifyatleasttwoSWpumpsRUNNINGb.VerifyAUXBLDGSWisolation valves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Startadditional SWpumpsaspowersupplypermits(258kweach).IFonly1SWpumpoperable,
~Egperformthefollowing:
1).EnsureAttachment MINSWiscomplete.
2)GotoStep4.b.Establish SWtoAUXBLDG(RefertoAttachment AUXBLDGSW).c.DispatchAOtoverifytotalSWflowtoCCWHxs-GREATERTHAN5000GPMc.Performthefollowing:
1)IsolateSWtoscreenhouse andairconditioning headers.~MOV-4609andMOV-4780~MOV-4663andMOV-47332)DirectAOtolocallyad]usttotalSWflowtotheCCWHxstobetween5000gpmand6000gpm(V-4619andV-4620).3)DirectAOtolocallyisolateSWreturnfromSFPHxs:~SFPHxA(V-4622)~SFPHxB(V-8689)4)VerifySWportionsofAttachment SD-1arecomplete.
EOP:ES-1'T1TLE:TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE5of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4Establish CCRflowtoRHRHxs:a.CheckbothCCWpumps-RUNNINGb.ManuallyopenCCWvalvestoRHRHxsa.StartCCWpumpsaspowersupplypermits(124kweach).b.DispatchAOtolocallyopen.valves.~MOV-738A~MOV-738B****************************4'***********CAUTIONoCONSULTWITHHEALTHPHYSICSBEFOREDISPATCHING PERSONNEL TOAUXILIARY BUILDING.
oTHERHRHXOUTLETVALVES(HCV-624ANDHCV-625)WILLFAILOPENONLOSSOFINSTRUMENT AIRPRESSURE.
5CheckRHRFlow:oBothRHRpumps-RUNNINGoRHRflow(FI-626)-LESSTHAN1500GPMPEROPERATING PUMPManuallyadjustRHRHxoutletvalvesequallytoreduceflowtolessthan1500gpmperoperating pump~~RHRHxB,HCV-624~RHRHxA,HCV-625.IFflowcanNOTbereducedmanually, THENdispatchanAOtolocallyadjustRHRHxoutletmanualvalvesequallytoreduceflow.~RHRHxB,V-715~RHRHxA,V-717
EOPES-1.3T1TLE:TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE6of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*************'k***************************CAUTIONANYPUMPSTAKINGSUCTIONFROMRWSTSHOULDBESTOPPEDUPONREACHINGRWSTLO-LOLEVELALARM.6CheckIFUnnecessary PumpsCanBeStopped:a.ThreeSIpumps-RUNNINGb,StopSIpumpCandplacebothswitchesinPULLSTOPa.GotoStep6c.c.BothCNMTspraypumps-RUNNINGd.PullstoponeCNMTspraypumpe.StopbothRHRpumpsandplaceinPULLSTOPc.PullstopanyidleCNMTspraypumpandgotoStep6e.
I EOPES-1.3TlTLE:TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE7of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7VerifyRHRSystemAlignment:
a.Verifythefollowing valves-CLOSEDoRHRsuctionvalvesfromloopAhotleg~MOV-700~MOV-701a.Ensureatleastonesuctionvalveandonedischarge valveclosed.oRHRdischarge valvestoloopBcoldleg~MOV-720~MOV-721b.VerifyRHRpumpsuctioncrosstievalves-OPEN~MOV-704A~MOV-704Bb.Manuallyopenvalves.IfvalvescanNOTbeopened,THENdispatchAOtolocallyopenvalves.c.Verifythefollowing valvesOPENoRHRpumpdischarge toRxvesseldelugevalves~MOV-852A~MOV-852Bc.Ensureatleastonevalveineachsetopen.oRHRsuctionfromsumpB(insideCNMT)~MOV-851A~MOV-851Bd.VerifyRCDTpumpsuctionvalvesfromsumpB-CU)SED~MOV-1813A
~MOV-1813B
~d.Manuallyclosevalves.
EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV15PAGE8of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRHRFLOWINDICATED ONFI-626SHOULDBELIMITEDTO1500GPMPEROPERATING PUMPTOENSUREOPTIMUMPUMPPERFORMANCE.
8InitiateRHRSumpRecirculation:
a.CloseRWSToutletvalvetoRHRpumpsuction,MOV-856(turnon.DCpowerkeyswitch)b.OpenbothRHRsuctionvalvesfromsumpB(outsideCNMT)oMOV-850A-OPENoMOV-850B-OPENc.StartbothRHRpumpsd.Verifyat,leastoneRHRpump-RUNNINGa.DispatchAOtolocallyclosevalveandcontinuewithStep8b.b.IFtwoRHRpumpsuctionpathsfromsumpBcanNOTbeestablished, THENperformthefollowing:
1)InitiateonlyonetrainofRHRrecirculation (RefertoAttachment RHRNPSHforfurtherguidance).
2)GotoStep9.d.IFnoRHRpumpcanbestarted,THENgotoECA-1.1,LOSSOFEMERGENCY COOLANTRECIRCULATION, Stepl.
f'III EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV15PAGE9of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDINOTE:TheTSCshouldberequested toestablish periodicmonitoring oftheAUXBLDGsub-basement, asradiological conditions permit,tomonitorRHRpumpoperation.
9CheckRWSTLevel-LESSTHAN154DONOTcontinuewiththisprocedure untilRWSTlevelislessthan15%.10StopAllPumpsSuppliedPromRWSTa.StopallSIpumpsandplaceinPULLSTOPb.Stopallchargingpumpsc.Stopoperating CNMTspraypumpandplaceinPULLSTOPd.CheckCNMTpressure-LESSTHAN28PSIGd.GotoStep11.e.ResetCNMTsprayifnecessary f.CloseCNMTspraypumpdischarge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860DEil~
EOP:ES-1'TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE10of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED11AlignSIAndCNMTSprayForSumpRecirculation:
a.VerifySIpumpsuctionvalvesfromBASTs-CLOSED~MOV-826AandMOV-826B~MOV-826CandMOV-826Da.Ensureatleastonevalveineachflowpathclosed.~b,CloseandverifyclosedRWSToutletvalvestoSIandCNMTspraypumps(turnonDCpowerkeyswitches)
~MOV-896A~MOV-896BWc.CloseandverifyclosedSIpumpRECIRCvalvesb.Ensureatleastonevalveclosed.c.Ensureatleastonevalveclosed.~MOV-898~MOV-897d.VerifySIpumpsuctionvalvesfromRWST-OPENd.Ensureatleastonevalveopen.~MOV-825A~MOV-825Be.OpenandverifyopenRHRHxoutletvalvestoSl'ndCNMTspraypumpsuction~MOV-857A~MOV~857B~MOV.'-.857Ce.EnsureatleastoneRHRpump(s)alignedtoSIandCSpumpsuctionheader(RefertoAttachment RHRSYSTEM).
EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV15PAGE11of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONSIPUMPSSHOULDBESTOPPEDIFRCSPRESSUREISGREATERTHANTHEIRSHUTOFFHEADPRESSURE.
NOTE:Operation ofSIpumpCis.preferred sinceitdeliverstobothRCSloops.12VerifyAdequateRCSMakeupFlow:a.RCSpressure-LESSTHAN225psig[425psigadverseCNMT]a.Performthefollowing:
1)CheckRCSconitions:
oRCSsubcooling basedoncoreexitT/CsgreaterthanFigureMINSUBCOOLING.
oPRZRlevelgreaterthan5%[30%adverseCNMT],IFeithercondition NOTmet,THENstartoneSIpump.b.RHRinjection flowadequate:
oCoreexitT/Cs-LESSTHANREQUIREMENTS OFFIGURERHRINJECTION 2)GotoStep13.!b.StartoneSIpump.oCheckRVLISlevel(noRCPS)GREATERTHAN43%[46%adverse.CNMTJ
EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV15PAGE12of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED************************************.*****CAUTIONIFACNMTSPRAYPUMPISSTARTED,THENCNMTPRESSURESHOULDBECLOSELYMONITORED.
CNMTPRESSURESHOULDNOTBEREDUCEDTOLESSTHAN32PSIG.13CheckIfCNMTSprayIsRequired:
a.CNMTpressure-GREATERTHAN37PSIGb.VerifyopenCNMTspraypumpdischarge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860Da.Performthefollowing:
1)IFCNMTspraypreviously actuatedandNaOHtanklevelgreaterthan55%,THENconsultTSCtodetermine ifCNMTsprayshouldberestarted.
2)GotoStep14.b.Manuallyopenvalve(s)forselectedpump.~CSpumpA,MOV-860AorMOV-860B~CSpumpB,MOV-860CorMOV-860Dc.StartselectedCNMTspraypumpd.OpenNaOHtankoutletvalvesforrunningpump~CSpumpA,AOV-836A~CSpumpB,AOV-836Be.WHENCNMTpressuredecreases to32psig,THENPUJLSTOPCNMTspraypump
EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV'5PAGE13of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14VerifyAdequateCoreCooling:oCoreexitT/Cs-STABLEORDECREASING oRVLISlevel(noRCPs)-STABLEORINCREASING IFbothRHRpumpsrunning,THENensuretwoSIpumpsrunning.IFonlyoneRHRpumprunning,THENperformthefollowing:
a.EnSureoneSIpumprunning.oRVLISlevel(noRCPs)-GREATERTHAN43%[46%adverseCNMT]b.WHENCNMTspraypumpsstopped,THENstartoneadditional SIpump~*****************************************CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5feet,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*15MonitorIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN5S[25%adverseCNMT]b.Controlfeedflowtomaintainnarrow;rangelevelbetween17%[25%"adverse CNMT]and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan58[25%adverseCNMT]inatleastoneS/G.
,~
EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE14of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED16Establish NormalShutdownAlignment:
a.Checkcondenser
-AVAILABLE a.DispatchAOtoperformAttachment SD-2.b.Performthefollowing:
oOpengenerator disconnects
~1G13A71~9X13A73oPlacevoltageregulator toOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontroller cerntoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensate pumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE 2)Verifyatleastonecontrolrodshroudfan-RUNNING1)Go,toStep16d.2),Manually startonefanaspowersupplypermits(45kw)3)VerifyoneRxcompartment coolingfan-RUNNING3)Performthefollowing:
oDispatchAOtoresetUVrelaysatMCCCandMCCD.oManuallystartonefanaspowersupplypermits(23kw)d.VerifyAttachment SD-1-COMPLETE
EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV15PAGE15of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17CheckIfEmergency D/GsShouldBeStopped:a.VerifyACemergency bussesenergized byoffsitepower:/oEmergency D/GoutputbreakersOPENa.Trytorestoreoffsitepower(RefertoER-ELEC.l, RESTORATION OFOFFSITEPOWER).oACemergency busvoltage-GREATERTHAN420VOLTSoACemergency busnormalfeedbreakers-CLOSEDb.Stopanyunloadedemergency D/Gandplaceinstandby(RefertoAttachment D/GSTOP) i EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV'5PAGE16of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED.18CheckIfSIACCUMsShouldBeIsolated:,
a.BothRCShotlegtemperatures-LESSTHAN400'Fb.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischarge valves~ACCUMA,MOV-841~ACCUMB,MOV-865a.ContinuewithStep19.WHENbothRCShotlegtemperatures lessthan400'F,THENdoSteps18bthroughd.c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs,~ACCUMA)AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.
EOPES-1'71TLE:TRANSFERTOCOLDLEGRECIRCULATION REV15PAGE17of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*********Q*************.4'****************CAUTIONIFFUELDAMAGEISSUSPECTED, MAINTAINS/GPRESSURESLIGHTLYGREATERTHANRCSPRESSURE.
- 19CheckIfIntactS/GsShouldBeDepressurized ToRCSPressure:
a.RCSpressure-LESSTHANINTACTS/GPRESSURES b.CheckS/Gradiation
-NORMALoSteamline Monitors(R-31,R-32)a.GotoStep20.b.DoNOTdumpsteamfromaS/Gwithhighradiation.
IsolatefeedflowtoaS/Gwithhighradiation.
oDirectHPtosampleS/Gsforactivityc.Dumpsteamtocondenser fromintactS/G(s)untilS/GpressurelessthanRCSpressure, c.IFsteamdumptocondenser NOTavailable, THENdumpsteamusingintactS/GARVsuntilS/GpressurelessthanRCSpressure.
20ConsultTSCtoDetermine IfRxVesselHeadShouldBeVented
'I EOP:ES-1.3T1TLE2TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE18of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Thisprocedure shouldbecontinued whileobtaining CNMThydrogensampleinStep21.21CheckCNMTHydrogenConcentration:
a.DirectHPtostartCNMThydrogenmonitorsasnecessary b.Hydrogenconcentration
-LESSTHAN0.5%b.ConsultTSCtodetermine ifhydrogenrecombiners shouldbeplacedinservice.NOTE:TheTSCshouldbeconsulted beforechangingrecirculation lineups.22CheckEventDuration-GREATERTHAN19HOURSAFTEREVENTINITIATION ConsultTSCtoevaluatelongtermplantstatus.23PlaceCNMTSprayPumpsInPULLSTOP24VerifyTwoSIPumps-RUNNINGManuallystartpumps.25CheckCoreExitT/Cs-LESSTHANREQUIREMENTS OFFIGURERHRINJECTION Performthefollowing:
a.ManuallyopenbothPRZRPORVsandblockvalves.b.VerifycoreexitT/Csdecreasing tolessthanrequirements ofFigureRHRINJECTION.
IFNOT,THENdumpsteamfromintactS/GsuntilcoreexitT/Cslessthanrequired.
EOP:ES-13TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE19of19STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED26Consult,TSC ToEvaluateLongTermPlantStatus-END-
EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV15PAGE1of1ES-1.3APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGURERHRINJECTION 3)FIGUREMINSUBCOOLING 4)ATTACHMENT D/GSTOP5)ATTACHMENT SD-16)ATTACHMENT SD-27)ATTACHMENT RHRNPSH8)ATTACHMENT RHRSYSTEM9)ATTACHMENT AUXBLDGSW10)ATTACHMENT SWLOADSINCNMTll)ATTACHMENT MINSW12)FOLDOUTPAGESII
,r ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV:15PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY
-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY
-Coldlegtemperatures decreasegreaterthan100Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT
-CNMTpressuregreaterthan60psig
'CI~
EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV:15"PAGE1of1COREEXITTEMPERATURE
('F)600TEMPERATURE INCREHENTS 10'F550FIGURERHRINJECTION 500450400INITIATEHIGHHEADINJECTION 350300250200=10RHRINJECTION ADEQUATE203040CONTAINMENT PRESSURE(PSIG)CNNTPRESSUREINCREMENTS IPSIG5060
EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV'5PAGE1of1FOLDOUTPAGE1.SIREINITIATION CRITERIAIFEITHERcondition listedbelowoccurs,THENoperateSIpumpsmanuallyasnecessary:
oCoreexitTCs-GREATERTHANREQUIREMENTS OFFIGURERHRINJECTION ORoRVLISlevel-LESSTHAN434[464adverseCNMT]2.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFW,watersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).
,t