ML17262A891

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Rev 14 to EOP ES-1.3, Transfer to Cold Leg Recirculation.
ML17262A891
Person / Time
Site: Ginna Constellation icon.png
Issue date: 05/06/1992
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17262A884 List:
References
ES-1.3, NUDOCS 9206160402
Download: ML17262A891 (44)
v • d • e


Text

EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE1of18ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFECIVEDATECATEGORY1.0REVIEWEDBY:920bfb0402 92050bPDRADOCK05000244pPDR j,W4W,lt EOP:ES-1.3LITLE:TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE2of18A.PURPOSE-Thisprocedure providesthenecessary instructions fortransferring 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,llf.FR-C.3,RESPONSETOSATURATED CORECOOLING,or,g.FR-H.l,RESPONSETOLOSSOFSECONDARY HEATSINK,or,h.FR-Z.1,RESPONSETOHIGHCONTAINMENT

PRESSURE, onlowRWSTlevel.i.Otherprocedures wheneverRWSTlevelreachestheswitchover setpoint(284).

~If' EOP:ES-1'TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV'4PAGE3of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoINJECTION FLOWTOTHERCSMUSTBEMAINTAINED ATALLTIMES.oIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCW,PUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.

oCONSULTWITHHEALTHPHYSICSBEFOREDISPATCHING PERSONNEL TOAUXILIARY BUILDING.

                                                                                  • NOTE:oFOLDOUTpageshouldbeopenandmonitored periodically.

oAdverseCNMTvaluesshouldbeusedwhenever'CNMT pressureisgreaterthan4psigorCNMTradiation isgreaterthan10+O5R/hr.1VerifyCNMTSumpBLevel-GREATERTHAN113INCHESIFRWSTlevelislessthan28%ANDCNMTsumpBlevelislessthan113inches,THENgotoECA-1.2,LOCAOUTSIDECONTAINMENT, Step1~NOTE:Steps2through8shouldbeperformed withoutdelay.FRprocedures shouldnotbeimplemented priortocompletion ofthesesteps.2ResetSI C~~l"E~

EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE4of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3Establish SWSystemAlignment ForRHRSumpBRecirculation:

a.Veri'fyatleasttwoSWpumpsRUNNINGa.Startadditional SWpumpsaspowersupplypermits(258kweach)b.VerifyAUXBLDGSWisolation valves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735IFD/Gssupplying emergency ACbusses,THENshednon-essential loadsasnecessary

~Rxcompartment coolingfans~Controlrodshroudfans~PRZRheaters~Chargingpumpsb.Establish SWtoAUXBLDG(RefertoAttachment AUXBLDGSW).~c.DispatchAOtoverifytotalSWflowtoCCWHxs-GREATERTHAN5000GPMc.Performthefollowing:

1)IsolateSWtoscreenhouse andairconditioning" headers.~MOV-4609andMOV-4780~MOV-4663andMOV-47332)DirectAOtolocallyadjusttotalSWflowtotheCCWHxstobetween5000gpmand6000gpm(V-4619andV-4620).3)DirectAOtolocallyisolateSWreturnfromSFPHxs:~SFPHxA(V-4622)~SFPHxB(V-8689)4)VerifySWportionsofAttachment SD-1arecomplete.

<<III EOP:ES-1-3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV'4PAGE5of18STEPACTION/EXPECTED RESPONSE.RESPONSE NOTOBTAINED4Establish CCWflowtoRHRHxs:a.CheckbothCCWpumps-RUNNINGb.ManuallyopenCCWvalvestoRHRHxsa.StartCCWpumpsaspowersupplypermits(124kweach).b.DispatchAOtolocallyopenvalves.~MOV-738A~MOV-738B*****************************************CAUTIONCONSULTWITHHEALTHPHYSICSBEFOREDISPATCHING PERSONNEL TOAUXILIARY BUILDING.

5CheckRHRFlow:oBothRHRpumps-RUNNINGoRHRflow(FI-626)-LESSTHAN<SP-L.10)'ER OPERATING PUMPManuallyadjustRHRHxoutletvalvesequallytoreduceflowtolessthan<SP-L.10) peroperating pump.~HCV-624BRHRHx~HCV-625ARHRHxIFflowcanNOTbereducedmanually, THENdispatchanAOtolocallyadjustRHRHxoutletmanualvalvesequallytoreduceflow.~V-715BRHRHx~V-717ARHRHx

'I*~W.~

EOP:ES-1'T!TLE:TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE6of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONANYPUMPSTAKINGSUCTIONFROMRWSTSHOULDBESTOPPEDUPONREACHINGRWSTLO-LOLEVELALARM.6CheckZFUnnecessary Pumps,CanBeStopped:a.ThreeSIpumps-RUNNINGa.GotoStep6c.b.StopSIpumpCandplacebothswitchesinPULLSTOPc.BothCNMTspraypumps-RUNNINGd.PullstoponeCNMTspraypumpe.StopbothRHRpumpsandplaceinPULLSTOPc.PullstopanyidleCNMTspraypumpandgotoStep6e.

4~fIONA EOP:ES-1.3T~SFERTOCOLDLEGRECIRCULATION REV14PAGE7of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7VerifyRHRSystemAlignment:

a.Verifythefollowing valvesCLOSEDoRHRsuctionvalvesfromloopAhotleg~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-CLOSEDd.Manuallyclosevalves.~MOV-1813A

~MOV-1813B rggl44Wtr,i'Jl'mt EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE8of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRHRFLOWINDICATED ONFI-626SHOULDBELIMITEDTO1500GPMPEROPERATING PUMPTOENSUREOPTIMUMPUMPPERFORMANCE.

8InitiateRHRSumpRecirculation:

a.CloseRWSToutletvalvetoRHRpumpsuction,MOV-856(turnonDCpowerkeyswitch)b.OpenbothRHRsuctionvalvesfromsumpB(outsideCNMT).oMOV-850A-OPENoMOV-850B-OPENc.StartbothRHRpumpsd.VerifyatleastoneRHRpump-RUNNINGa.DispatchAOtolocallyclosevalveandcontinuewithStep8b.b.IFtwoRHRpumpsuctionpathsfromsumpBcanNOTbeestablished, THENperformthefollowing:

1)InitiateonlyonetrainofRHRrecirculation (RefertoAttachment RHRNPSHforfurtherguidance).

2)GotoStep9.d.IFnoRHRpumpcanbestarted,~THENgotoECA-1.1,LOSSOFEMERGENCY COOLANTRECIRCULATION, Step1.NOTE:TheTSCshouldberequested toestablish periodicmonitoring oftheAUXBLDGsub-basement, asradiological conditions permit,tomonitorRHRpumpoperation.

9CheckRWSTLevel-LESSTHAN154DONOTcontinuewiththisprocedure untilRWSTlevelislessthan15%.

24IAl~~leg~

EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE9of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED10StopAllPumpsSuppliedFromRWST:a.StopallSIpumpsandplaceinPULLSTOPb.Stopallchargingpumpsc.Stopoperating CNMTspraypumpandplaceinPULLSTOPd.CheckCNMTpressure-LESSTHAN28PSIGd.GotoStep11.e.ResetCNMTsprayifnecessary f.CloseCNMTspraypumpdischarge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860D I~~'r EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE10of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED11AlignSIAndCNMTSprayForSumpRecirculation:

a.VerifySIpumpsuctionvalvesfromBASTs-CLOSED~MOV-826AandMOV-826B~MOV-826CandMOV-826Da.Ensureatleastonevalveineachflowpathclosed.b.CloseandverifyclosedRWSToutletvalvestoSIandCNMTspraypumps(turnonDCpowerkeyswitches)

~MOV-896A~MOV-896Bb.Ensureatleastonevalveclosed.c.CloseandverifyclosedSIpumpRECIRCvalvesc.Ensureatleastonevalveclosed.~MOV-898~MOV-897d.VerifySIpumpsuctionvalvesfromRWST-OPENd.Ensureatleastonevalveopen.~MOV-825A~MOV-825Be.OpenandverifyopenRHRHxoutletvalvestoSIandCNMTspraypumpsuction~MOV-857A~MOV-857B~MOV-857Ce.EnsureatleastoneRHRpump(s)alignedtoSIandCSpumpsuctionheader(RefertoAttachment RHRSYSTEM).

1~tvewteltlh'1 EOP:ES-1'TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE11of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONSIPUMPSSHOULDBESTOPPEDIFRCSPRESSUREISGREATERTHANTHEIRSHUTOFFHEADPRESSURE.

                                                                                  • NOTE:SIpumpCispreferred sinceitdeliverstobothlines.12VerifyAdequateRHRInjection:

'CoreexitT/Cs-LESSTHANREQUIREMENTS OFFIGURERHRINJECTION StartoneSIpump.oRCSpressure-LESSTHAN225psig[425psigadverseCNMT]oCheckRVLISlevel(noRCPS)GREATERTHAN43%[46%adverseCNMT]

~'h4~~

EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE12of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFACNMTSPRAYPUMPISSTARTED,THENCNMTPRESSURESHOULDBECLOSELYMONI'ADORED.

CNMTPRESSURESHOULDNOTBEREDUCEDTOLESSTHAN32PSIG.13CheckIfCNMTSprayIsRequired:

a.CNMTpressure-GREATERTHAN37PSIGa.Performthefollowing:

1)IFCNMTspraypreviously

actuated, THENconsultTSCtoredetermine ifCNMTsprayshouldberestarted.

b.VerifyopenCNMTspraypumpdischarge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860D2)GotoStep14.b.Manuallyopenvalve(s)forselectedpump.~MOV-860AorMOV-860B, Apump~MOV-860CorMOV-860D, Bpumpc.StartselectedCNMTspraypumpd.OpenNaOHtankoutletvalvesforrunningpump~AOV-836A, pumpA~AOV-836B, pumpBe.WHENCNMTpressuredecreases to32psig,THENPULLSTOPCNMTspraypump

'I'1l~Vg EOP:ES-1'71TLE:TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE13of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14VerifyAdequateCoreCooling:oCoreexitT/Cs-STABLEORDECREASING oRVLISlevel(noRCPs)-STABLEORINCREASING oRVLISlevel(noRCPs)-GREATERTHAN43%[46%adverseCNMT]IFbothRHRpumpsrunning,THENensuretwoSIpumpsrunning.IFonlyoneRHRpumprunning,THENperformthefollowing:

a.EnsureoneSIpumprunning.b.WHENCNMTspraypumpsstopped,THENstartoneadditional SIpump.*****************************************CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).*****************************************NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.15CheckIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT)b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT]and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneAS/G.

l'14~~~VV%'W' EOP:ES-1'TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE14of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED16Establish NormalShutdownAlignment:

a.Checkcondenser

-AVAILABLE a.DispatchAOtoperformAttachment SD-2.b,Performthefollowing:

oOpengenerator disconnects

~1G13A71~9X13A73oPlacevoltageregulator toOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontroller camtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensate pumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE 1)GotoStep16d.2)Verifyatleastonecontrolrodshroudfan-RUNNING2)Manuallystartonefanaspowersupplypermits(45kw)3)VerifyoneRxcompartment coolingfan-RUNNING3)Performthefollowing:

oDispatchAOtoresetUVrelaysatMCCCandMCCD.oManuallystartonefanaspowersupplypermits'(23kw)d.VerifyAttachment SD-1-COMPLETE

EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE15of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17CheckIfEmergency D/GsShouldBeStopped:a.VerifyACemergency bussesenergized byoffsitepower:oEmergency D/GoutputbreakersOPENa.Trytorestoreoffsitepower(RefertoER-ELEC.1, RESTORATION OFOFFSITEPOWER).oACemergency busvoltageGREATERTHAN420VOLTSoACemergency busnormalfeedbreakers-CLOSEDb.Stopanyunloadedemergency D/Gandplaceinstandby(RefertoAttachment D/GSTOP)

CPli EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV'4PAGE16of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED18CheckIfSIACCUMsShouldBeIsolated:

a.BothRCShotlegtemperatures LESSTHAN4004Fb.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.d.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

l EOP:ES-1.3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE17of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFFUELDAMAGEISSUSPECTED>

MAINTAINS/GPRESSURESLIGHTLYGREATERTHANRCSPRESSURE.

19CheckIfIntactS/GsShouldBeDepressurized ToRCSPressure:

a.RCSpressure-LESSTHANINTACTS/GPRESSURES b.CheckS/Gradiation

-NORMALoSteamline Monitors(R-31,R-32)a.GotoStep20.b.Do,NOTdumpsteamfrom'S/Gwithhighradiation.

IsolatefeedflowtoaS/Gwithhighradiation.

oDirectHPtosampleS/Gsforactivityc.Dumpsteamtocondenser fromintactS/G(s)untilS/GpressurelessthanRCSpressurec.IFsteamdumptocondenser NOTavailable, THENdumpsteamusingintactS/GARVsuntilS/GpressurelessthanRCSpressure.

20ConsultTSCtoDetermine IfRxVesselHeadShouldBeVentedNOTE:TheTSCshouldbeconsulted beforechangingrecirculation lineups.21CheckEventDuration-GREATERTHAN19HOURSAFTEREVENTINITIATION ConsultTSCtoevaluatelongtermplantstatus.22PlaceCNMTSprayPumpsInPULLSTOP l%J'~C EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE18of18STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED23VerifyTwoSIPumps-RUNNINGManuallystartpumps.24CheckCoreExitT/Cs-LESSTHANREQUIREMENTS OFFIGURERHRINJECTION Performthefollowing:

a.ManuallyopenbothPRZRPORVsandblockvalves.b.VerifycoreexitT/Csdecreasing tolessthanrequirements ofFigureRHRINJECTION.

IFNOT,THENdumpsteamfromintactS/GsuntilcoreexitT/Cslessthanrequired.

25ConsultTSCToEvaluateLongTermPlantStatus-END-0~

EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE1of1ES-1.3APPENDIXLISTTITLEPAGES1)REDPATHSUMMARY2)FIGURERHRINJECTION 3)ATTACHMENT D/GSTOP4)ATTACHMENT SD-15)ATTACHMENT SD-26)ATTACHMENT RHRNPSH7)ATTACHMENT RHRSYSTEM8)ATTACHMENT AUXBLDGSW9)FOLDOUT l~r EOP:ES-1.3TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan5%b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig 0I4,~'I~'

EOP:ES-F3TITLE:TRANSFERTOCOLDLEGRECIRCULATION REV14PAGE1of1COREEXITTEMPERATURE (F)600TEMPERATURE INCREMENTS 10'F550FIGURERHRINJECTION 500450400INITIATEHIGHHEADINJECTION 35030025020010RHRINJECTION ADEQUATE203040CONTAINMENT PRESSURE(PSIG)CNMTPRESSUREINCREMENTS 1PSIG5060

EOP:ES-1'TRANSFERTOCOLDLEGRECIRCULATION REV:14PAGE1of1FOLDOUTPAGE1.SIREINITIATION CRITERIAIFEITHERcondition listedbelowoccurs,THENoperateSIpumpsmanuallyasnecessary:

oCoreexitTCs-GREATERTHANREQUIREMENTS OFFIGURERHRINJECTION ORo,RVLISlevel-LESSTHAN43~[46%adverseCNMT]2.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).

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