ML17263A197

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Rev 11 to EOP E-1, Loss of Reactor or Secondary Coolant.
ML17263A197
Person / Time
Site: Ginna Constellation icon.png
Issue date: 03/24/1993
From: MARLOW T A
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A191 List:
References
E-1, NUDOCS 9304080163
Download: ML17263A197 (194)
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Text

EOP:E-1TITLE:LOSSOFREACTORORSECONDARY COOLANTREVllPAGE1of16ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATElv>>PLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:,9304080163 930330"."PDRADOCK05000244P..""'PDR 1Pg'f EOP:E-1TLTLE:LOSSOFREACTORORSECONDARY COOLANTREVllPAGE2of16A.PURPOSE-Thisprocedure providesactionstorecoverfromalossofreactororsecondary coolant.B.ENTRYCONDITIONS/SYMPTOMS l.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.E-O,REACTORTRIPORSAFETYINJECTION, andFR-H.1,RESPONSETOLOSSOFSECONDARY HEATSINK,whenaPRZRPORVisstuckopenanditsblockvalvecannotbeclosed.b.E-O,REACTORTRIPORSAFETYINJECTION, withanyofthefollowing symptoms:

highcontainment radiation, highcontainment

pressure, orhighcontainment recirculation sumplevel.c~E0gREACTORTRIPORSAFETYINJECTIONgECA21gUNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS, andFR-H.1,RESPONSETOLOSSOFSECONDARY HEATSINK,whenRCSpressureislessthantheshutoffheadpressureoftheRHRpumpsorisdecreasing.

d.ES-1.1,SITERMINATION, andFR-I.2,RESPONSETOLOWPRESSURIZER LEVEL,ifSIhastobereinitiated.

e.E-2,FAULTEDSTEAMGENERATOR ISOLATION, afteridentification andisolation ofafaultedS/G.fECA0~2gLOSSOFALLACPOWERRECOVERYWITHSIREQUIREDIafternormalinjection modeconditions areestablished.

g.ECA-1.2,LOCAOUTSIDECONTAINMENT, whenaLOCAoutsidecontainment isisolated.

h.FR-C.1,RESPONSETOINADEQUATE CORECOOLING,andFR-C.2,RESPONSETODEGRADEDCORECOOLING,aftercorecoolinghasbeenrestablished.

i.FR-H.1,RESPONSETOLOSSOFSECONDARY HEATSINK,ifRCSpressureislessthanallnon-faulted S/G(s)pressure.

j.FR-H.1,RESPONSETOLOSSOFSECONDARY HEATSINK,aftersecondary heatsinkhasbeenreestablished andallPRZRPORVsareclose.

EOP:E-1TITLE:'LOSSOFREACTORORSECONDARY COOLANTREV:11PAGE3of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRWSTLEVELDECREASES TOLESSTHAN28%,THENTHESISYSTEMSHOULDBEALIGNEDFORCOLDLEGRECIRCULATION USINGES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, STEP1.NOTE'FOLDOUTpageshouldbeopenANDmonitored periodically.

oCriticalSafetyFunctionStatusTreesshouldbemonitored.

(RefertoAppendix1forRedPathSummary.),

oConditions shouldbeevaluated forSiteContingency Reporting (RefertoEPIP-1.0, GINNASTATIONEVENTEVALUATION ANDCLASSIFICATION).,

oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.*1MonitorRCPTripCriteria:

a.RCPstatus-ANYRCPRUNNINGb.SIpumps-ATLEASTTWORUNNINGc.RCSpressureminusmaximumS/Gpressure-LESSTHAN175psig[400psigadverseCNMT]d.StopbothRCPsa.GotoStep2.b,GotoStep2.c.GotoStep2.

EOPIE-1TITLE:LOSSOFREACTORORSECONDARY COOLANTREV:llPAGE4of16STEPACTION/EXPECTED RESPONSE~RESPONSENOTOBTAINED2CheckIfS/GSecondary SideIsIntact:oPressureinbothS/Gs-STABLEORINCREASING IFanyS/Gpressuredecreasing inanuncontrolled mannerORcompletely depressurized, THENverifyfaultedS/GisolatedunlessneededforRCScooldown:

oPressureinbothS/Gs-GREATERTHAN100PSIG~Steamlines

~Feedlines IFNOT,THENgotoE-2,FAULTEDSTEAMGENERATOR ISOLATION, Stepl.*****************************************CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*3MonitorIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN58[258adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween178[258adverseCNMT]and508a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan58[258adverseCNMT]inatleastoneS/G.b.IFnarrowrangelevelinanyS/Gcontinues toincreaseinanuncontrolled manner,THENgotoE-3,STEAMGENERATOR TUBERUPTURE,Stepl.

W1N EOP!E-1LOSSOFREACTORORSECONDARY COOLANTREV11PAGE5of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4CheckSecondary Radiation Levels-NORMALoSteamline radiation monitor(R-31andR-32)oRequestHPsampleS/GsforactivityIFsteamline radiation monitorsNOTavailable, THENdispatchAOtolocallychecksteamline radiation.

IFabnormalradiation levelsdetectedinanyS/G,THENgotoE-3,STEAMGENERATOR TUBERUPTURE,Stepl.*****************************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE, ITSHOULDBECLOSEDAFTERPRESSUREDECREASES TOLESSTHAN2335PSIG(REFERTOSTEP5B).*5MonitorPRZRPORVStatus:a.PowertoPORVblockvalves-AVAILABLE b.PORVs-CLOSEDa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.c.Blockvalves-ATLEASTONEOPENIFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.IFblockvalvecanNOTbeclosed,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cc.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.

K EOP!E-1TITLELOSSOFREACTORORSECONDARY COOLANTREVllPAGE6of16,STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.

6ResetSZ7ResetCI:a.DepressCIresetpushbutton b.,Verifyannunciator A-26,CNMTISOLATION

-EXTINGUISHED b.Performthefollowing:

1)ResetSI.2)DepressCIresetpushbutton.

8.VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGb.DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)a.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:

1)EnsureSWisolation.

2)DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)3)GotoStep10.

EOPIE-1LOSSOFREACTORORSECONDARY COOLANTREV:11PAGE7of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9Establish IAtoCNMT:a.Verifynon-safeguards bussesenergized fromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb,VerifyturbinebuildingSWisolation valves-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors

-RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASING e.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:

1)Closenon-safeguards bustiebreakers:

~Bus13toBus14tie'Bus15toBus16tie2)Verifyadequateemergency D/Gcapacitytorunaircompressors (75kweach).IFNOT,THENevaluateifCNMT'ECIRCfansshouldbestopped(RefertoAttachment CNMTRECIRCFANS).3)WHENbus15restored, THENresetcontrolroomlighting.

b.Manuallyalignvalves.c.Manuallystartaircompressors aspowersupplypermits(75kweach).IFaircompressors canNOTbestarted,THENdispatchAOtolocallyresetcompressors asnecessary.

d.Performthefollowing:

1)ContinueattemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENT AIR).2)ContinuewithStep10.WHENIArestored, THENdoSteps9eandf.

f)

E-l.LOSSOFREACTORORSECONDARY COOLANTREV:11PAGE8of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED10CheckNormalPowerAvailable ToChargingPumps:oBus14normalfeedbreaker-'CLOSEDoBus16normalfeedbreaker-CLOSEDVerifyadequateemergency D/Gcapacitytorunchargingpumps(75kweach).IFNOT,THENevaluateifCNMTRECIRCfanscanbestopped(RefertoAttachment CNMTRECIRCFANS)..

EOP:E-1LOSSOFREACTORORSECONDARY COOLANTREV11PAGE9of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDllCheckIfChargingFlowHasBeenEstablished:

a.Chargingpumps-ANYRUNNINGa.Performthefollowing:

1)IFCCWflowislosttoany.RCPthermalbarrierORanyRCP¹1sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetoclosesealin)ection needlevalve(s)toaffectedRCP:~V-300AforRCPA~V-300BforRCPBb.ChargingpumpsuctionalignedtoRWST'LCV-112B-OPENoLCV-112C-CLOSED2)EnsureHCV-142open,demandat0%.b.Manuallyalignvalvesasnecessary.

IFLCV-112BcanNOTbeopened,THENperformthefollowing:

1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.Startchargingpumpsasnecessary andadjustchargingflowtorestorePRZRlevel2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).

lp',~

EOP:E-1T1TLE:LOSSOFREACTORORSECONDARY COOLANTREV11PAGE10of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckIfSIShouldBeTerminated:

a.RCSpressure:

oPressure-GREATERTHAN1625psig[1825psigadverseCNMT]oPressure-STABLEORINCREASING a.DoNOTstopSIpumps.GotoStep14.b.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING b.DoNOTstopSIpumps.GotoStep14.c.Secondary heatsink:oTotalfeedflowtointactS/Gs-GREATERTHAN200GPM-OR-c.IFneithercondition satisfied, THENdoNOTstopSIpumps.GotoStep14.oNarrowrangelevelinatleastoneintactS/G-GREATERTHAN5%[25%adverseCNMT]d.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]d;DoNOTstopSIpumps'erform thefollowing:

1)IFnormalPRZRsprayavailable, THENtrytostabilize RCSpressurewithPRZRspray.2)GotoStep14.

EOPsE-1LOSSOFREACTORORSECONDARY COOLANTREV:llPAGE11of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED13GoToES-1.1,SITERMINATION/

Step1*14MonitorIfCNMTSprayShouldBeStopped:a.CNMTspraypumps-RUNNINGb.Checkthefollowing:

oCNMTpressure-LESSTHAN4PSIGa.GotoStep15.b.ContinuewithStep15.WHENBOTHconditions satisfied, THENdo'Steps14cthroughf.oSodiumhydroxide tanklevel-LESSTHAN55%c.ResetCNMTsprayd.CheckNaOHtankoutletvalves-CLOSED~AOV-836A~AOV-836Bd;PlaceNaOHtankoutletvalvecontrollers toMANUALandclosevalves.e.StopCNMTspraypumpsandplaceinAUTOf.CloseCNMTspraypumpdischarge valves~MOV-860A~MOV-860B~MOV-860C~MOV~860D C

EOP:E-1TITLE.LOSSOFREACTORORSECONDARY COOLANTREV:11PAGE12of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************,CAUTIONoIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.

oRCSPRESSURESHOULDBEMONITORED.

IFRCSPRESSUREDECREASES TOLESSTHAN250PSIG[465PSIGADVERSECNMT],THENTHERHRPUMPSMUSTBEMANUALLYRESTARTED TOSUPPLYWATERTOTHERCS.*15MonitorIfRHRPumpsShould.BeStopped:a.CheckRCSpressure:

1)Pressure-GREATERTHAN250psig[465psigadverseCNMT]2)RCSpressure-STABLEOR~INCREASING b.StopRHRpumpsandplaceinAUTO1)GotoStep17.2)GotoStep16.16CheckRCSAndS/GPressures a.Checkpressures inbothS/GsSTABLEORINCREASING a.ReturntoStep1.b.Checkpressures inbothS/Gs-GREATERTHAN100PSIGc.CheckRCSpressure-STABLEORDECREASING b.MonitorRCSpressure.

IFRCSpressuredoesNOTincreaseafterfaultedS/Gdryout,THENgotoStep17.c.ReturntoStepl.

EOP:E-1TLTLE:LOSSOFREACTORORSECONDARY COOLANTREV:11PAGE13of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17CheckIfEmergency D/GsShouldBeStopped:a.VerifyACemergency bussesenergized byoffsitepower:oEmergency D/GoutputbreakersOPENoACemergency busvoltageGREATERTHAN420VOLTSoACemergency busnormalfeedbreakers-CLOSEDa.Performthefollowing:

1)Closenon-safeguards bustiebreakersasnecessary:

~Bus13toBus14tie~Bus15toBus16tie2)Placethefollowing pumpsinPULLSTOP'EHpumps~Turninggearoilpump~HPsealoilbackuppump3)Ensurecondenser steamdumpmodecontrolinMANUAL.4)RestorepowertoMCCs:~AfromBus13~BfromBus15~EfromBus15'FfromBus155)WHENbus15restored, THENresetcontrolroomlightingbreaker.6)RefertoAttachment SI/UVforotherequipment lostwithlossofoffsitepower.7)Trytorestoreoffsitepower(RefertoER-ELEC.1, RESTORATION OFOFFSITEPOWER).b.Stopanyunloadedemergency D/G~andplaceinstandby(RefertoAttachment D/GSTOP)

EOPE-1LOSSOFREACTORORSECONDARY COOLANTREV'1PAGE14of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED18VerifyCNMTSumpRecirculation Capability:

a.CheckRHRsystem:1)Poweravailable toemergency ACbussesandMCCsrequiredforCNMTsumprecirculation oBus14andbus18ENERGIZED a.Restore'powertoatleastonetrainofemergency ACbusses.IFatleastonetrainofcoldlegrecirculation capability canNOTbeverified, THENgotoECA-1.1,LOSSOFEMERGENCY COOLANTRECIRCULATION, Step1.oMCCC-ENERGIZED oBus16andbus17-ENERGIZED oMCCD-ENERGIZED 2)RHRpumpsandvalvesOPERABLEb.CheckSWpumps-ATLEAST2PUMPSAVAILABLE c.DispatchAOtocheckAUXBLDGsub-basement forRHRsystemleakage(AUXBLDGsub-basement keymay'berequired) b.Attempttorestoreatleast2SWpumpstooperable.

IFonly1SWpumpavailable, THENrefertoAttachment MINSWforadditional guidance.

c.IFanyRHRpumpsealleakageindicated, THENleakageshould.beevaluated andisolatedifnecessary.

II E-1LOSSOFREACTORORSECONDARY COOLANTREV11PAGE15of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED19EvaluatePlantStatus:a.Checkauxiliary buildingradiation

-NORMAL~Plantventiodine(R-10B)~Plantventparticulate (R-13)~Plantventgas(R-14)~CCWliquidmonitor(R-17)~LTDNlinemonitor(R-9)~CHGpumproom(R-4)b.DirectHPtoobtainfollowing samples:~RCSboron~RCSactivity~CNMThydrogen~CNMTsumpboron~BASTs,boron a.NotifyHPandrefertoappropriate AR-RMSprocedure.

IFthecauseisalossofRCSinventory outsideCNMT,THENgoto.ECA-1.2, LOCAOUTSIDECONTAINMENT, Step1.c.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE 2)Verifyatleastonecontrolrodshroudfan-RUNNING3)Verify,oneRxcompartment coolingfan-RUNNING1)GotoStep20.2)Manuallystartonefanaspowersupplypermits(45kw)3)Performthefollowing:

oDispatchAOtoresetUVrelaysatMCCCandMCCDoManuallystartonefanaspowersupplypermits'(23kw)

EOP:E-1LOSSOFREACTORORSECONDARY COOLANTREV11PAGE16of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED20CheckIfRCSCooldownAndDepressurization IsRequired:

a.RCSpressure-GREATERTHAN250psig[465psigadverseCNMT]b.GotoES-1.2,POSTLOCACOOLDOWNANDDEPRESSURIZATION, Step1a.IFRHRpumpflowgreaterthan475gpm,THENgotoStep21,21CheckIfTransferToColdLegRecirculation IsRequired:

a.RWSTlevel-LESSTHAN28%b.GotoES-1;3,TRANSFERTOCOLDLEGRECIRCULATION, Step1a.ReturntoStep18.-END-I EOP:LOSSOFREACTORORSECONDARY COOLANTREV:11PAGE1of1E-1APPENDIXLISTTITIZPAGES1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)ATTACHMENT CNMTRECIRC4)ATTACHMENT D/GSTOP5)ATTACHMENT SD-16)ATTACHMENT SI/UV7)ATTACHMENT MINSW8)ATTACHMENT AUXBLDGSW9)ATTACHMENT SWLOADSINCNMT10)FOLDOUT

EOPsE-1T1TLE0LOSSOFREACTORORSECONDARY COOLANTREVllPAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan'34[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig

EOP.E-1TITLE:LOSSOFREACTORORSECONDARY COOLANTREVllPAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication RC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGSUBCOOLED REGIONADVEECNMTRSNORMALCNMTINADEQUATE SUBCOOLING REGIONTEMPERATURE INCREMENTS 10'200250300350400450500550600650700COREEXITSATURATION TEMPERATURE

('F)

EOP:E-1LOSSOFREACTORORSECONDARY COOLANTREV11PAGE1of1FOLDOUTPAGE1.SIREINITIATION CRITERIAIFEITHERcondition listedbelowoccurs,THENmanuallyoperateSIpumpsasnecessary:

oRCSsubcooling basedoncoreexitT/Cs-LESSTHANO'FUSINGFIGUREMINSUBCOOLING OR-oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN5%[30%adverseCNMT]2~SITERMINATION CRITERIAIFALLconditions listedbelowoccur,THENgotoES-1.1,SITERMINATION, Step1:a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHAN0FUSINGFIGUREMINSUBCOOLING b.TotalfeedflowtointactS/Gs-GREATERTHAN200GPMOR-NarrowrangelevelinatleastoneintactS/G-GREATERTHAN5%[25%adverseCNMT]c.RCSpressure:

oGREATERTHAN1625PSIG[1825psigadverseCNMT]oSTABLEORINCREASING d.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]3.SECONDARY INTEGRITY CRITERIAIFanyS/Gpressureisdecreasing inanuncontrolled manneroriscompletely depressurized ANDhasnotbeenisolated, THENgotoE-2,FAULTEDS/GISOLATION, Step1.4.COLDLEGRECIRCULATION SWITCHOVER CRITERION IFRWSTleveldecreases tolessthan28%,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Step.l.5.AFWSUPPLYSWITCHOVER CRITERION IFCST'eveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.l, ALTERNATE WATERSUPPLYTOAFWPUMPS).6.E-3TRANSITION CRITERIAIFanyS/G'levelincreases inanuncontrolled manneroranyS/Ghasabnormalradiation, THENgotoE-3,STEAMGENERATOR TUBERUPTURE,Stepl.

EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE1of38ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEW1PORCREVIEWDATEk'LANTSUPERINTENDENT EFFECTIVDATECATEGORY1.0REVIEWEDBY:

0fICKcAaJpP,*t EOP:E-3JITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE2of38A.PURPOSE-Thisprocedure providesactionstoterminate leakageofreactorcoolantintothesecondary systemfollowing asteamgenerator tuberupture(SGTR),thisprocedure shouldalsobeusedforaSGTRinoneS/GandafaultintheotherS/G.B.ENTRYCONDITIONS/SYMPTOMS l.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.E-O,REACTORTRIPORSAFETYINJECTION, whencondenser airejectorradiation orblowdownradiation isabnormal, orb~E0gREACTORTRIPORSAFETYINJECTION/

E1/LOSSOFREACTORORSECONDARY COOLANTgE-2,FAULTEDSTEAMGENERATOR ISOLATION, andFRHE3RESPONSETOSTEAMGENERATOR HIGHLEVELSwhensecondary radiation isabnormal, orc.E-O,REACTORTRIPORSAFETYINJECTION/

E1gLOSSOFREACTORORSECONDARY COOLANTgES1~2gPOSTLOCACOOLDOWNANDDEPRESSURI ZATIONgECA3~3gSGTRWITHOUTPRESSURIZERPRESSURECONTROLSwhenanintactS/Gnarrowrangelevelincreases inanuncontrolled manner.dECA3~3~SGTRWITHOUTPRESSURIZERPRESSURECONTROL/whenpressurizer pressurecontrolisrestored.

e.E-1seriesFOLDOUTpage'whenever eitherS/Glevelincreases inanuncontrolled manneroreitherS/Ghasabnormalradiation.

~A$ra.a EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE3of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:oFOLDOUTpageshouldbeopenANDmonitored periodically.

oCriticalSafetyFunctionStatusTreesshouldbemonitored (RefertoAppendix1forRedPathSummary).

oPersonnel shouldbeavailable forsamplingduringthisprocedure.

oConditions shouldbeevaluated forSiteContingency Reporting (EPIP-1.0, GINNASTATIONEVENTEVALUATION ANDCLASSIFICATION).

oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureis,greaterthan4psigorCNMTradiation isgreaterthan10+R/hr.*1MonitorRCPTripCriteria:

a.RCPstatus-ANYRCPRUNNINGb.SIpumps-ATLEASTTWORUNNINGc.RCSpressureminusmaximumS/Gpressure--LESSTHAN175psig(400psigadverseCNMTjd.StopbothRCPsa.GotoStep2.b.GotoStep2.c.GotoStep2.

\

EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE4of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2IdentifyRupturedS/G(s):oUnexpected increaseineitherS/Gnarrowrangelevel-OR-ContinuewithSteps6through11.WHENrupturedS/G(s)identified, THENdoSteps3,4and5.oHighradiation indication onmainsteamline radiation monitor~R-31forS/GA~R-32forS/GB-OR-oAOreportslocalindication ofhighsteamline radiation

-OR-oRPreportshighradiation fromS/Gactivitysample 4WJ EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE5of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED************

x****x*%*********************

CAUTIONoIFTHETDAFWPUMP.ISTHEONLYAVAILABLE SOURCEOFFEEDFLOW,STEAMSUPPLYTOTHETDAFWPUMPMUSTBEMAINTAINED FROMONES/G.oATLEASTONES/GSHALLBEMAINTAINED AVAILABLE FORRCSCOOLDOWN.

3IsolateFlowFromRupturedS/G(s):a.AdjustrupturedS/GARVcontroller to'050psiginAUTOb.CheckrupturedS/GARV-CLOSEDb.WHENrupturedS/Gpressurelessthan1050psig,THENverifyS/GARVclosed.IFNOTclosed,THENplacecontroller inMANUALandcloseS/GARV.IFS/GARVcanNOTbeclosed,THENdispatchAOto*locallyisolate.c.CloserupturedS/GTDAFWpumpsteamsupplyvalveandplaceinPULLSTOP~S/GA,MOV-3505A

~S/GB,MOV-3504A c.IFatleastoneMDAFWpumprunning,THENdispatchAOwithlockedvalvekeytolocallyisolatesteamfromrupturedS/GtoTDAFWpump.~S/GA,V-3505~S/GB,V-3504d.VerifyrupturedS/Gblowdownvalve-CLOSEDd.PlaceS/Gblowdownandsamplevalveisolation switchtoCLOSE.~S/GA,AOV-5738~S/GB,AOV-5737IFblowdowncanNOTbeisolatedmanually, THENdispatchAOtolocallyisolateblowdown..

~S/GA,V-5701~S/GB,V-5702 a1IllI'tilU EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE6of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4CompleteRupturedS/GIsolation:

a.CloserupturedS/GMSIV-RUPTUREDS/GMSIVCLOSEDa.Performthefollowing:

1)CloseintactS/GMSIV.2)PlaceintactS/GARVcontroller at1005psiginAUTO.3)Placecondenser steamdumpmodeselectorswitchtoMANUAL.4)Adjustcondenser steamdumpcontroller to1050psiginAUTO.5)Adjustreheatsteamsupplycontroller camtoclosereheatsteamsupplyvalves.6)EnsureturbinestopvalvesCLOSED.7)DispatchAOtocompleterupturedS/Gisolation (RefertoAttachment RUPTUREDS/G,partsAandB).b.DispatchAOtocompleterupturedS/Gisolation (RefertoAttachment RUPTUREDS/GpartA)IFtherupturedS/GcanNOTbeisolatedfromtheintactS/G,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLED RECOVERYDESIRED,Step1 L~QtJ>;

EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE7of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED**********

x*a***xxxx%*xx*****************

CAUTIONIFANYRUPTUREDS/GISFAULTED,FEEDFLOWTOTHATS/GSHOULDREMAINISOLATEDDURINGSUBSEQUENT RECOVERYACTIONSUNLESSNEEDEDFORRCSCOOLDOWN.

5CheckRupturedS/GLevel:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT)a.IFrupturedS/GNOTfaulted,THENperformthefollowing:

l)MaintainfeedflowtorupturedS/Guntillevelgreaterthan5%[25%adverseCNMT).2)ContinuewithStep6.WHENrupturedS/Glevelgreaterthan5%[25%adverseCNMT],THENdoSteps5bthroughe.b.CloseMDAFWpumpdischarge valv'etorupturedS/Gb.DispatchAOtolocallyclosevalve.~S/GA,MOV-4007~S/GB,MOV-4008c.PullstopMDAFWpumpforrupturedS/Gd.CloseTDAFWpumpflowcontrolvalvetorupturedS/G~S/GA,AOV-4297~S/GB,AOV-4298e.VerifyMDAFWpumpcrosstievalves-CLOSEDd.DispatchAOwithlockedvalvekeytolocallycloseTDAFWpumpmanualfeedwater isolation valvetorupturedS/G.~S/GA,V-4005~S/GB,V-4006e.Manuallyclosevalves.~MOV-4000A

~MOV-4000B U~W~p*~gat,r.g'1 EOP:E-3ijiLE:STEAMGENERATOR TUBERUPTUREREV15PAGE8of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED**********

x*****x**%*********************

CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE, ITSHOULDBECLOSEDAFTERPRESSUREDECREASES TOLESSTHAN2335PSIG(REFERTOSTEP6B).**************

P***x0x*0***x**************

  • 6MonitorPRZRPORVsAndBlockValves:a.PowertoPORVblockvalvesAVAILABLE a.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:b.PORVs-CLOSED~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.c.Blockvalves-ATLEASTONEOPENIFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.IFblockvalvecanNOTbeclosed,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.c.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.

P'>fg EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE9of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckIfS/GSecondary SideIsIntact:oPressureinbothS/Gs-STABLEORINCREASING IFanyS/Gpressuredecreasing inanuncontrolled mannerORcompletely depressurized, THENverifyfaultedS/GisolatedunlessneededforRCScooldown:

oPressureinbothS/Gs-GREATERTHAN100PSIG~Steamlines

~Feedlines IFfaultedS/GNOTisolated, THENgotoE-2,FAULTEDSTEAMGENERATOR ISOLATION, Step1.**********

x%**x%xxxx**x******************

CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).*******x*4*%x*x**x**%********************

NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*8MonitorIntactS/GLevel:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT)b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT)and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT)inatleastoneS/G.b.IFnarrowrangelevelin,theintactS/Gcontinues toincreaseinanuncontrolled manner,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.

%tkCggt EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE10of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED********x*x~*%x'.*xx*a*xx**xx***x*********

CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THEN,SELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.

xxx**xx*x***x******************

9ResetSI10ResetCI:a.DepressCIresetpushbutton b.Verifyannunciator A-26,CNMTISOLATION

-EXTINGUISHED b.Performthefollowing:

1)ResetSI.2)DepressCIresetpushbutton.

xx**xxx********************

CAUTIONRCSPRESSURESHOULDBEMONITORED.

IFRCSPRESSUREDECREASES TOLESSTHAN250PSIG[465PSIGADVERSECNMT),THENTHERHRPUMPSMUSTBEMANUALLYRESTARTED TOSUPPLYWATERTOTHERCS.**********%

          • xx**x********************

11CheckIfRHRPumpsShouldBeStopped:a.CheckRCSpressure:

a.GotoStep12.oPressure-GREATERTHAN250psig[465psigadverseCNMTjoPressure-STABLEORINCREASING b.StopRHRpumpsandplacebothinAUTO fA~mf+Jg~'k EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE11of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:IfrupturedS/Gneededforcooldown, isolation isnotnecessary.

12VerifyRupturedS/GIsolated:

a.CheckrupturedMSIV-CLOSEDb.RupturedS/Gpressure-GREATERTHAN300PSIGa.IFonlyintactS/GMSIVcanbeclosed,THENensureairejector/gland steamsupplyandflangeheatingsteamisolated.

(RefertoATTACHMENT RUPTUREDS/G,partB).IFneitherS/GMSIVcanbeclosedTHENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLED RECOVERYDESIRED,Step1b.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.13Establish Condenser SteamDumpPressureControl:a.Verifycondenser available:

oIntactS/GMSIV-OPENoAnnunciator G-15,STEAMDUMPARMED-LITa.AdjustS/GARVcontrollers tomaintainintactS/GpressureinAUTOandgotoStep14.b.Adjustcondenser steamdumpcontroller HC-484tomaintainintactS/GpressureandverifyinAUTOc.PlacesteamdumpmodeselectorswitchtoMANUAL

~s'I~lIc~i~gVW EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE12of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Following initiation ofcontrolled cooldownordepressurization, RCPtripcriteriaisnolongerapplicable.

14InitiateRCSCooldown:

a.Determine requiredcoreexittemperature frombelowtableRUPTUREDSGPRESSURE1100PSIG1000PSIG900PSIG800PSIG700PSIG600PSIG500PSIG400PSIG300PSIGREQUIREDCOREEXITTEMPERATURE

('F)525[505adverseCNMT)510[490adverseCNMT)500[475adverseCNMT]485[460adverseCNMT)465[440adverseCNMT)450[420adverseCNMT)425[395adverseCNMT]405[370adverseCNMT)375[330adverseCNMT)b.Initiatedumpingsteamtocondenser fromintactS/Gatmaximumrateb.ManuallyorlocallyinitiatesteamdumpfromintactS/GatmaximumrateusingS/GARV.IFnointactS/Gavailable, THENperformthefollowing:

oUsefaultedS/G.-OR-c.CoreexitT/Cs-LESSTHANREQUIREDTEMPERATURE d.StopRCScooldownandmaintaincoreexitT/Cslessthanrequiredtemperature oIFbothS/Gsruptured, THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLED RECOVERYDESIRED,Step1c.ContinuewithStep15.WHENcoreexitT/Cslessthanrequired, THENdoStep14d.

+k~f EOP:E-3TtTLE:STEAMGENERATOR TUBERUPTUREREV15PAGE13of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*15MonitorAllACBusses-BUSSESENERGIZED BYOFFSITEPOWERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480voltbusvoltage-GREATERTHAN420VOLTSoEmergency D/GoutputbreakersOPENPerformthefollowing:

a.IFanyACemergency busnormalfeedbreakeropen,THENensureassociated D/Gbreakerclosed.b.Performthefollowing asnecessary:

1)Closenon-safeguards bustiebreakers:

~Bus13toBus14tie~Bus15toBus16tie2)Placethefollowing pumpsinPULLSTOP:~EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus13~BfromBus15~EfromBus15~FfromBus154)StartCNMTRECIRCfansasnecessary.

5)WHENbus15restored, THENresetcontrolroomlighting.

c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.1, RESTORATION OFOFFSITEPOWER).

pffft'Ill p%~I4,rl~

EOP:E-3STEAMGENERATOR TUBERUPTUREREV'5PAGE14of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED16VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THEN:1)EnsureSWisolation.

2)DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)b.DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)3)GotoStep18.

<,1$y44sjf-Qy'"9,,t4'X;i EOP:E-3STEAMGENERATOR TUBERUPTUREREV15PAGE26of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED30VerifyAdequateSWFlowToCCWHx:a.VerifyatleastthreeSWpumpsRUNNINGb.VerifyAUXBLDGSWisolation valves-ATLEASTONESETOPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpscanbeoperated, THENgotoStep37.b.Establish SWtoAUXBLDG(RefertoAttachment AUXBLDGSW).c.VerifyCNMTRECIRCfanannunciator C-2,HIGHTEMPERATURE ALARM-EXTINGUISHED c.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

4IP EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE27of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED31CheckIfNormalCVCSOperation CanBeEstablished a.VerifyIArestored:

oIAtoCNMT(AOV-5392)

-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep37.WHENIArestored, THENdoSteps31through36.b.Verifyinstrument busDENERGIZED c.CCWpumps-ANYRUNNINGb.EnergizeMCCB.IFMCCBNOTavailable, THENperformthefollowing:

1)VerifyMCCAenergized.

2)Placeinstrument busDonmaintenance supply.c.Performthefollowing:

1)IFanyRCPtlsealoutlettemperature offscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).d.Chargingpump-ANYRUNNING~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759B2)ManuallystartoneCCWpump.d.ContinuewithStep37.WHENanychargingpumprunning,THENdoSteps32through36.

I'1'rIVIIWg EOP:E-3JIZLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE28of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED32CheckIfSealReturnFlowShouldBeEstablished:

a.VerifyRCP¹1sealoutlettemperature

-LESSTHAN235'Fb.VerifyRCPsealoutletvalvesOPEN~AOV-270A~AOV-270Ba.GotoStep33.b.Manuallyopenvalvesasnecessary.

c.ResetbothtrainsofXYrelaysforRCPsealreturnisolation valveMOV-313d.OpenRCPsealreturnisolation valveMOV-313d.Performthefollowing:

1)PlaceMOV-313switchtoOPEN.e.VerifyRCP¹1sealleakoffflowLESSTHAN5.5GPM2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.IFanyRCPsealleakoffflowgreaterthan5.5gpm,THEN:oClosetheaffectedRCPsealdischarge valve~RCPA,AOV-270A~RCPB,AOV-270Bf.VerifyRCP¹1sealleakoffflowGREATERTHAN0.25GPMoTriptheaffectedRCPIFbothRCPsealdischarge valvesareshut,THENgotoStep33.f.RefertoAP-RCP.1, RCPSEALMALFUNCTION.

I.'~I~.4Altg~Ck EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE29of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED33VerifyPRZRLevel-GREATERTHAN13%[40:adverseCNMT]ContinuewithStep35.WHENPRZRlevelincreases togreaterthan13%[40%adverseCNMT],THENdoStep34.34Establish NormalLetdown:a.Establish charginglineflowtoREGENHx-GREATERTHAN20GPMb.Placethefollowing switchestoCLOSE:~Letdownorificevalves(AOV-200A, AOV-200B, andAOV-202)~Letdownisolation valveAOV-371~LoopBcoldlegtoREGENHxAOV-427c.Placeletdowncontrollers inMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427IFRCPsealreturnhasbeenestablished, THENestablish excessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745).

oOpenexcessletdownisolation valveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperature lessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.

IFRCPsealreturnNOTestablished, THENconsultTSCtodetermine ifexcessletdownshouldbeplacedinservice.f.Openletdownorificevalvesasnecessary g.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary Ah EOP:E-3STEAMGENERATOR TUBERUPTUREREV15PAGE30of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED35CheckVCTMakeupSystem:a.AdjustboricacidflowcontrolvalveinAUTOto9.5gpmb.Verifythefollowing:

1)RMWmodeselectorswitchinAUTOb.Adjustcontrolsasnecessary.

2)RMWcontrolarmed-REDLIGHTLITc.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASING c.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.IFNOT,THENresetMCCCandMCCDUV~lockoutsasnecessary.

2)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.

I>~Mt~,M.ltCg~a~4~IPh~4 EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE31of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED36CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintained greaterthan5%,THENperformthefollowing:

1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep37.WHENVCTlevelgreaterthan40%,THENdoStep36b.b.VerifychargingpumpsalignedtoVCToLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.

Pp<<4.ig%1EP EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE32of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED**************

x**x*xxx*******************

CAUTIONRCSANDRUPTUREDS/GPRESSURES MUSTBEMAINTAINED LESSTHAN1050PSIG.***xx*******xxxxxxx*xx*x*xx****x*********

  • 37ControlRCSPressureAndMakeupFlowToMinimizeRCS-To-Secondary Leakage:a.Performappropriate action(s) fromtable:PRZRLEVELRUPTUREDS/GNARROWRANGELEVELINCREASING DECREASING OFFSCALEHIGHLESSTHAN13%[40%ADVERSECNMTJBETWEEN13%[40%ADVERSECNMT)AND50%BETWEEN50%AND75%[65%ADVERSECNMTjGREATERTHAN75%[65%ADVERSECNMT]oIncreaseRCSmakeupflowoDepressurize RCSusingStep37bDepressurize RCSusingStep37boDepressurize RCSusingStep37boDecreaseRCSmakeupflowoDecreaseRCSmakeupflowIncreaseRCSmakeupflowEnergizePRZRheatersEnergizePRZRheatersEnergizePRZRheatersoIncreaseRCSmakeupflowoMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/Gpressureequalb.ControlpressureusingnormalPRZRspray,ifavailable, toobtaindesiredresultsforStep37ab.IFletdownisinservice,THENuseauxiliary spray(AOV-296).

IFNOT,THENuseonePRZRPORV.

I')~4N1g'0'1I+S EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE33of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED38CheckIfEmergency 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).39MinimizeSecondary SystemContamination:

a.IsolaterejectfromhotwelltoCST:oPlacehotwelllevelcontroller (LC-107)inMANUALat50'.IFhotwelllevelincreasing, THENdirectRPtosamplehotwellsforactivity.

oVerifyhotwelllevel-STABLEb.CheckstatusoflocalactionstocompleterupturedS/Gisolation (RefertoAttachment RUPTUREDS/G) lIh EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE34of38STEPACTION/EXPECTED'ESPONSE RESPONSENOTOBTAINED40EnergizePRZRHeatersAsNecessary ToSaturatePRZRWaterAtRupturedS/GPressure41CheckRCPCooling:a.CheckCCWtoRCPs:Establish normalcoolingtoRCPs(RefertoAttachment SEALCOOLING).

oAnnunciator A-7,RCP1ACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED oAnnunciator A-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED b.CheckRCPsealinjection:

oLabyrinth sealD/Ps-GREATERTHAN15INCHESOFWATER-OR-oRCPsealinjection flowtoeachRCP-GREATERTHAN6GPM

EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE35of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED******xxx*0xxxxx%xx'xx%'*x 4***x****x*******

CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.

                        • 4*4xxw*~************'*********42CheckRCPStatus:a.RCPs-ATLEASTONERUNNINGb.StopallbutoneRCPa.Performthefollowing:

1)TrytostartoneRCP:a)Ensureconditions forstartinganRCP.oBusllAor11Benergized.

oRefertoAttachment RCPSTART.b)IFRVLISlevel(noRCPs)lessthan95%,THENperformthefollowing:

oIncreasePRZRleveltogreaterthan65%(80%adverseCNMTj.oDumpsteamtoestablish RCSsubcooling basedoncoreexitT/Cstogreaterthan20'FusingFigureMINSUBCOOLING.

c)StartoneRCP.2)IFanRCPcanNOTbestarted,THENverifynaturalcirculation (RefertoAttachment NC).IFnaturalcirculation canNOTbeverified, THENincreasedumpingsteam.

ig$VJ~wII'gle EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE36of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTconditions orlossofforcedaircoolingmayresultinfailureofNISdetectors.

43CheckIfSourceRangeDetectors ShouldBeEnergized:

a.SourcerangechannelsDEENERGIZED a.GotoStep43e.b.Checkintermediate rangefluxEITHERCHANNELLESSTHAN1010AMPSb.Performthefollowing:

1)IFneitherintermediate rangechannelisdecreasing, THENinitiateboration.

2)ContinuewithStep44.WHENfluxisLESSTHAN10ampsonanyoperablechannel,THENdoSteps43cthroughe.c.Checkthefollowing:

oBothintermediate rangechannels-LESSTHAN1010AMPSc.ContinuewithStep44.WHENeithercondition met,THENdoSteps43dande.-OR-oGreaterthan20minutessincereactortripd.Verifysourcerangedetectors ENERGIZED d.Manuallyenergizesourcerangedetectors bydepressing P-6permissive defeatpushbuttons (2of2).IFsourcerangescan'OTberestored, THENrefertoER-NIS.1, SRMALFUNCTION andgotoStep44.e.TransferRk-45recordertoonesourcerangeandoneintermediate rangechannel I4QA~

EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE37of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED44Establish NormalShutdownAlignment:

a.Checkcondenser

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

ioOpengenerator disconnects

~1G13A71~9X13A73oPlacevoltageregulator toOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontroller camtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensate pumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE 2)Verifyatleastonecontrolrodshroudfan-RUNNING3)VerifyoneRxcompartment coolingfan-RUNNING1)GotoStep45.2)Manuallystartonefanaspowersupplypermits(45kw)3)Performthefollowing:

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

~m,~~l~l, EOP:E-3LITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE38of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED45ConsultTSCToDetermine Appropriate Post-SGTR CooldownProcedure:

oGotoES-3.1,POST-SGTR COOLDOWNUSINGBACKFILL, Step1-OR-oGotoES-3.2,POST-SGTR COOLDOWNUSINGBLOWDOWN, Step1-OR-oGotoES-'3.3,POST-SGTR COOLDOWNUSINGSTEAMDUMP,Step1-END-

~lt4elhi7X EOP:E-3STEAMGENERATOR TUBERUPTUREREV15PAGE1of1E-3APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)ATTACHMENT CNMTRECIRCFANS4)ATTACHMENT D/GSTOP5)ATTACHMENT N2PORVS6)ATTACHMENT NC7)ATTACHMENT SEALCOOLING8)ATTACHMENT RCPSTART9)ATTACHMENT RUPTUREDS/G10)ATTACHMENT SD-111)ATTACHMENT SD-212)ATTACHMENT AUXBLDGSW13)FOLDOUTPAGES 4

EOP:E-3STEAMGENERATOR TUBERUPTUREREV15PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan5~b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan43~~[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[25<adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig

'pV',IIIjfr'-Il+~"I'~fcI,I~4 EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelowt'-]CoreExitT/CIndication RC2500240023002200210020001900180017001600140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGSUBCOOLED REGIONECDVERSNORMALCNMTINADEQUATE SUBCOOLING REGIONTEMPERATURE INCREMENTS 10'F200250300350400450500550600650700COREEXITSATURATION TEMPERATURE

(')

J'-

EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE1of1SIREINITIATION CRITERIAFOLDOUTPAGEIFeithercondition listedbelowoccurs,THENoperateSIpumpsmanuallyasnecessary andgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1:oRCSsubcooling basedoncoreexitT/Cs-LESSTHAN0FUSINGREQUIREMENTS OFFIGUREMINSUBCOOLING.

OR24oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN5%[304adverseCNMT).SECONDARY INTEGRITY CRITERIAIFanyS/Gpressureisdecreasing inanuncontrolled manneroriscompletely depressurized ANDhasnotbeenisolated, THENgotoE-2,FAULTEDS/GISOLATION, Step1.3~COLDLEGRECIRCULATION SWITCHOVER CRITERION 4.5.IFRWSTleveldecreases tolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Stepl.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).MULTIPLESGTUBERUPTURECRITERIAIFanyintactS/Glevelincreases ininanuncontrolled mannerORIFanyintactS/Ghasabnormalradiation, THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.

tel5t EOP:ECA-2'T1TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE1of31ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERRES0SIBLEMANAGEREFFECTIVE DATECATEGORY1.0REVIEWEDBY

EOP:ECA-2-1TLTLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE2of31A.PURPOSE-Thisprocedure providesactionstomitigateandminimizealossofsecondary coolantfrombothsteamgenerators.

B.ENTRYCONDITIONS/SYMPTOMS 1-ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.E-2,FAULTEDSTEAMGENERATOR ISOLATION, whenanuncontrolled depressurization ofbothsteamgenerators occurs.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATZON OFBOTHSTEAMGENERATORS REV:12PAGE3of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFTHETDAFWPUMPISTHEONLYAVAILABLE SOURCEOFFEEDFLOW,THENSTEAMSUPPLYTOTHETDAFWPUMPMUSTBEMAINTAINED FROMONES/G.*****************************************NOTE:oFOLDOUTpageshouldbeopenANDmonitored periodically.

oConditions shouldbeevaluated forSiteContingency Reporting (RefertoEPIP1-0,GINNASTATIONEVENTEVALUATION ANDCLASSIFICATION).

oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.1CheckSecondary PressureBoundary:

oMSIVs-CLOSEDoMFWflowcontrolvalves-CLOSED~MFWregulating valves~MFWbypassvalvesoMFWpumpdischarge valvesCLOSEDVoS/GblowdownandsamplevalvesCLOSEDManuallyclosevalvesoneloopatatime.IFvalvescanNOTbeclosed,THENdispatchAOtolocallyisolateflowpaths, asnecessary, oneloopatatime.oTDAFWpumpsteamsupplyvalvesPULLSTOPoTDAFWpumpflowcontrolvalvesCLOSEDoS/GARVs-CLOSEDoDispatchAOtolocallyisolateS/Gs(RefertoAttachment FAULTEDS/G)

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE4of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONAMINIMUMFEEDFLOWOF50GPMMUSTBEMAINTAINED TOEACHS/GWITHANARROWRANGELEVELLESSTHAN5%[25%ADVERSECNMT].*****************************************2ControlFeedFlowToMinimizeRCSCooldown:

a.CheckcooldownrateinRCScoldlegs-'ESSTHAN100'F/HRb.ChecknarrowrangelevelinbothS/Gs-LESSTHAN50%a.Decreasefeedflowto50gpmtoeachS/GandgotoStep2c.b.Controlfeedflowtomaintainnarrowrangelevellessthan50%inbothS/Gs.c.CheckRCShotlegtemperatures STABLEORDECREASING c.Controlfeedflowordumpsteamtostabilize RCShotlegtemperatures.

3CheckIfRCPsShouldBeStopped:a.RCPstatus-ANYRCPRUNNINGb.SIpumps-ATLEASTTWORUNNINGc.RCSpressureminusmaximumS/Gpressure-LESSTHAN175psig[400psigadverseCNMT]d.StopbothRCPsa.GotoStep4.b.GotoStep4.'.GotoStep4.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE5of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4CheckCSTLevel-GREATERTHAN5FEET'witchtoalternate AFWsuctionsupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).*****************************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE, ITSHOULDBECLOSEDAFTERPRESSUREDECREASES TOLESSTHAN2335PSIG(REFERTOSTEP5B).*5MonitorPRZRPORVsAndBlockValves:a.PowertoPORVblockvalvesAVAILABLE b.PORVs-CLOSEDa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.c.Blockvalves-ATLEASTONEOPENIFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.IFblockvalvecanNOTbeclosed,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cc.'OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE6of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED6CheckSecondary Radiation Levels-NORMALoSteamline radiation monitor(R-31andR-32)oDispatchAOtolocallychecksteamline radiation GotoE-3,STEAMGENERATOR TUBERUPTURE,Stepl.oRequestRPsampleS/Gsforactivity*****************************************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.

7ResetSI

EOP:ECA-2~1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV12PAGE7of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRCSPRESSURESHOULDBEMONITORED.

IF.RCSPRESSUREDECREASES TOLESSTHAN250PSIG[465PSIGADVERSECNMT],THENTHERHRPUMPSMUSTBEMANUALLYRESTARTED TOSUPPLYWATERTOTHERCS.*8MonitorIfRHRPumpsShouldBeStopped:a.RHRpumps-ANYRUNNINGb.CheckRCSPressure:

a.GotoStep9.1)Pressure-GREATERTHAN250psig[465psigadverseCNMT]2)Pressure-STABLEORINCREASING 1)GotoE-l,LOSSOFREACTORORSECONDARY COOLANT,Step1.2)GotoStep9.c.StopRHRpumpsandplaceinAUTO

EOP:ECA-2~1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE8of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*9MonitorIfCNMTSprayShouldBeStopped:a.CNMTspraypumps-RUNNINGb.Checkthefollowing:

oCNMTpressure-LESSTHAN4PSIGa.GotoStep10.b.ContinuewithStep10.WHENBOTHconditions satisfied, THENdoSteps9cthroughf.oSodiumhydroxide tanklevelLESSTHAN55%c.ResetCNMTsprayd.CheckNaOHtankoutletvalvesCLOSED~AOV-836A~AOV-836Bd.PlaceNaOHtankoutletvalvecontrollers toMANUALandclosevalves.~AOV-836A~AOV-836Be.StopCNMTspraypumpsandplaceinAUTOf.CloseCNMTspraypumpdischarge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860D, l~

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE9of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED10CheckRWSTLevel-GREATERTHAN284GotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Stepl.llResetCI:a.DepressCIresetpushbutton b.Verifyannunciator A-26,CNMTISOLATION

-EXTINGUISHED b.Performthefollowing:

1)ResetSI.2)DepressCIresetpushbutton.

12VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:

1),Ensure SWisolation.

2)DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)b.DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)3)GotoStep14.

EOP:ECA-2.1T!TLE:UNCONTROLLED DEPRESSURXZATION OFBOTHSTEAMGENERATORS REV:12PAGE10of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED13Establish IAtoCNMT:a.Verifynon-safeguards bussesenergized fromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb.VerifySWisolation valvestoturbinebuilding-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors

-RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASING e.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:

1)Closenon-safeguards bustiebreakers:

~Bus13toBus14tie~Bus15toBus16tie2)Verifyadequateemergency D/Gcapacitytorunaircompressors (75kweach).IFNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachment CNMTRECIRCFANS).3)WHENbus15restored, THENresetcontrolroomlighting.

b.Manuallyalignvalves.c.Manuallystartaircompressors aspowersupplypermits(75kweach).IFaircompressors canNOTbestarted,THENdispatchAOtolocallyresetcompressors asnecessary.

d.Performthefollowing:

1)C'ontinue attemptstorestoreIA(Refer,to AP-IA.1,LOSSOFINSTRUMENT AIR).2)ContinuewithStep14.WHENIArestored, THENdoSteps13eandf.

EOP:ECA-2'T!TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE11of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14CheckIfSIACCUMsShouldBeIsolated:

a.BothRCShotlegtemperatures LESSTHAN400'Fa.GotoStep15.b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischarge valves~MOV-841~MOV-865c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs,~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.15CheckNormalPowerAvailable ToChargingPumps:oBus14normalfeedbreakerCLOSEDoBus16normalfeedbreaker-CLOSEDVerifyadequateemergency D/Gcapacitytorunchargingpumps(75kweach).IFNOT,THENevaluateifCNMTRECIRCfanscanbestopped(Referto.Attachment CNMTRECIRCFANS).

EOP;ECA-2.1T!TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE12of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED16CheckIfChargingFlowHasBeenEstablished:

a.Chargingpumps-ANYRUNNINGa.Performthefollowing:

1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetoclosesealinjection needlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandatOa.b.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.IFLCV-112BcanNOTbeopened,THENperformthefollowing:

1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.Startchargingpumpsas'ecessary andadjustchargingflowtorestorePRZRlevel2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE13of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*17MonitorSITermination Criteria:

a.SIpumps-ANYRUNNINGb.CheckRCSpressure:

oPressure-GREATERTHAN1625psig[1825psigadverseCNMT]oPressure-STABLEORINCREASING a.GotoStep19.b.DONOTstopSIpumps'~,Performthefollowing:

1)EnergizePRZRheatersandoperatePRZRsprayasnecessary tostabilize RCSpressuregreaterthan1625psig[1825psigadverseCNMT)c.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING 2)ReturntoStep2.c.DONOTstopSIpumps.ReturntoStep2.d.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)d.DoNOTstopSIpumps.Performthefollowing:

1)IFnormal'PRZRsprayavailable, THENtrytostabilize RCSpressurewithPRZRspray,2)ReturntoStep17a.NOTE:FoldoutPageE-2transition criteriadoesnotapplywhileperforming steps18and19.18StopSIandRHRPumpsAndPlaceInAuto

EOP:ECA2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE14of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*19MonitorSIReinitiation Criteria:

a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.ManuallyoperateSIpumpsasnecessary andreturntoStep2.b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained, THENmanuallyoperateSIpumpsasnecessary andreturntoStep2.20CheckRCSHotLegTemperatures

-STABLEORDECREASING Controlfeedflowordumpsteamtostabilize RCShotlegtemperatures.

21CheckNarrowRangeLevelInBothS/Gs-LESSTHAN504Controlfeedflowtomaintainnarrowrangelevellessthan50%inbothS/Gs.22VerifyAdequateSWFlowToCCWHx:a.VerifyatleasttwoSWpumpsRUNNINGb.VerifyAUXBLDGSWisolation valves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kwperpump).IFlessthantwoSWpumpscanbeoperated, THENgotoStep28'.Establish SWtoAUXBLDG(RefertoAttachment AUXBLDGSW).c.VerifyCNMTRECIRCfanannunciator C-2,HIGHTEMPERATURE AIARM-EXTINGUISHED c.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE15of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED23CheckIfNormalCVCSOperation CanBeEstablished a.VerifyIArestored:

oIAtoCNMT(AOV-5392)

-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep28.WHENIArestored, THENdoSteps23through27.b.Verifyinstrument busD-ENERGIZED b.EnergizeMCCB.IFMCCBNOTavailable, THENperformthefollowing:

c.CCWpumps-ANYRUNNINGd.Chargingpump-ANYRUNNING1)VerifyMCCAenergized.

2)Placeinstrument busDonmaintenance supply.c.Performthefollowing:

1)IFanyRCP¹1sealoutlettemperature offscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759B2)ManuallystartoneCCWpump.d.ContinuewithStep28.WHENanychargingpumprunning,THENdoSteps24through27.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE16of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED24VerifyPRZRLevel-GREATERTHAN134[40%adverseCNMT]ContinuewithStep26.WHENPRZRlevelincreases togreaterthan13%[40%adverseCNMT],THENdoStep25.25Establish NormalLetdown:a.VerifycharginglineflowtoREGENHx-GREATERTHAN20GPMb.Placethefollowing switchestoCLOSE:~Letdownorifice'valves (AOV-200A, AOV-200B, andAOV-202)~AOV-371,letdownisolation valve~AOV-427,loopBcoldlegtoREGENHxc.Placeletdowncontrollers inMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427IFRCPsealreturnhasbeenestablished, THENestablish excessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745).

oOpenexcessletdownisolation

'alveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperature lessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.

IFRCPsealreturnNOTestablished, THENconsultTSCtodetermine ifexcessletdownshouldbeplacedinservice.f.Openletdownorificevalvesasnecessary g.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary

EOP:ECA-2.1T1TLEUNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE17of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED26CheckVCTMakeupSystem:a.AdjustboricacidflowcontrolvalveinAUTOto9.5gpmb.AdjustRMWflowcontrolvalveinAUTOto40gpmc.Verifythefollowing:

1)RMWmodeselectorswitchinAUTOc.Adjustcontrolsasnecessary.

2)RMWcontrolarmed-REDLIGHTLITd.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASING d.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumps'andRMWpumpsrunning.IFNOT,THENresetMCCCandMCCDUVlockoutsasnecessary.

2)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURXZATION OFBOTHSTEAMGENERATORS REV12PAGE18of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED27CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintained greaterthan5%,THENperformthefollowing:

1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep28.WHENVCTlevelgreaterthan40%,THENdo'tep'7b.

b.VerifychargingpumpsalignedtoVCT:oLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.

EOP:ECA-'2.1TITLESUNCONTROLLED DEPRESSURXZATZON OFBOTHSTEAMGENERATORS REV12PAGE19of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED28CheckRCPCooling:a.CheckCCWtoRCPs:Establish normalcoolingtoRCPs~(RefertoAttachment SEALCOOLING).

oAnnunciator A-7,RCPlACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED oAnnunciator A-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED b.Check'RCP sealinjection:

oLabyrinth sealD/Ps-GREATERTHAN15INCHESOFWATER-OR-oRCPsealinjection flovtoeachRCP-GREATERTHAN6GPM

EOP:ECA-2.1T1TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE20of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED29CheckIfSealReturnFlowShouldBeEstablished:

a.VerifyRCP¹1sealoutlettemperature

-LESSTHAN235'Fb.VerifyRCPsealoutletvalvesOPENa.GotoStep30.b.Manuallyopenvalvesasnecessary.

~AOV-270A~AOV-270Bc.ResetbothtrainsofXYrelaysforRCPsealreturnisolation valveMOV-313d.OpenRCPsealreturnisolation valveMOV-313e.VerifyRCP¹1sealleakoffflowLESSTHAN6.0GPMd.Performthefollowing:

1)PlaceMOV-313switchtoOPEN.2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.Performthefollowing:

1)TriptheaffectedRCP2)Allow4minutesforpumpcoastdown,THENclosetheaffectedRCPsealdischarge valvef.VerifyRCP¹1sealleakoffflowGREATERTHAN0.8GPM~RCPA,AOV-270A~RCPB,AOV-270BIFbothRCPsealdischarge valvesareshut,THENgotoStep30.f.RefertoAP-RCP.1, RCPSEALMALFUNCTION.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE21of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingPRZRPORV,selectonewithanoperableblockvalve.30EnergizeHeatersAndOperateNormalSprayAsNecessary ToMaintainRCSPressureStableIFnormal'pray NOTavailable andletdownisinservice,THENuseauxiliary sprayvalve(AOV-296).

IFPRZRsprayNOT'vailable',

THENuseonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS.

C EOP:ECA-2.1'1ILE:

UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV12PAGE22of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED31VerifyAll,ACBusses-ENERGIZED BYOFFSITEPONERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480busvoltage-GREATERTHAN420VOLTSoEmergency D/GoutputbreakersOPENPerformthefollowing:

a.IFanyACemergency busnormalfeedbreakeropen,THENensureassociated D/Gbreakerclosed.b.Performthefollowing, asnecessary:

1)Closenon-safeguards bustiebreakers:

~Bus13toBus14tie~'Bus15toBus16tie2)Placethefollowing pumpsinPULLSTOP:~EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus134BfromBus15~EfromBus15~FfromBus154)WHENbus15restored, THENresetcontrolroomlighting..

5)RefertoAttachment SI/UVforotherequipment lostwithlossofoffsitepower.c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.1, RESTORATION OFOFFSITEPOWER).

I EOP:ECA-21T!TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE23of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATIONS 32CheckRCPStatus-'TLEASTONERUNNINGTrytostartoneRCP:a.Establish conditions forstartinganRCP.oBus11Aor11Benergized IoRefertoAttachment RCPSTART.b.StartoneRCP.IFanRCPcanNOTbestarted,THENverifynaturalcirculation (RefertoAttachment NC).IFnaturalcirculation canNOTbeverified, THENincreasefeedflowordumpingsteam.

ilk EOP:ECA-2~1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE24of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDINOTE:AdverseCNMTconditions orlossofforcedaircoolingmayresultinfailureofNISdetectors.

33CheckIfSourceRangeDetectors ShouldBeEnergized:

a.SourcerangechannelsDEENERGIZED a.GotoStep33e.b.Checkintermediate, rangeflux-EITHERCHANNELLESSTHAN1010AMPSb.Performthefollowing:

1)IFneitherintermediate rangechannelisdecreasing THENinitiateboration.

2)ContinuewithStep34.WHENfluxisLESSTHAN10ampsonanyoperablechannel,THENdoSteps33c,dande.c.Checkthefollowing:

oBothintermediate rangechannels-LESSTHAN10-10AMPSc.Continuewithstep34.WHENeithercondition met,THENdoSteps33dande.-OR-oGreaterthan20minutessincereactortripd.Verifysourcerangedetectors ENERGIZED d.Manuallyenergizesource'rangedetectors bydepressing P-6permissive defeatpushbuttons (2of2).e.TransferRk-45recorder'toonesourcerangeandoneintermediate rangechannel.IFsourcerangescanNOTberestored, THENrefertoER-NIS.l, SRMALFUNCTION andgotoStep34.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE25of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED34CheckIfEmergency 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)

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE26of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED35Establish NormalShutdownAlignment:

a.Checkcondenser

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

oOpengenerator disconnects

~1G13A71~9X13A73oPlacevoltageregulator toOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontroller camtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensate pumpc.VerifyadequateRxheadcooling:1)Verifyatleastonecontrolrodshroudfan-RUNNING1)Manuallystartonefanaspowersupplypermits(45kw)2)VerifyoneRxcompartment coolingfan-RUNNING2)Performthefollowing:

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

EOP:ECA-F1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE27of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED36MaintainPlantConditions-STABLEControlplantsystemsasnecessary tomaintainconditions stable.oRCSpressureoPRZRleveloRCStemperatures

  • 37MonitorSIReinitiation Criteria:

a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.ManuallyoperateSIpumpsasnecessary.

ReturntoStep2.b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained, THENmanuallyoperateSIpumpsasnecessary.

ReturntoStep2~

'I'4 EOP:ECA-F1T1TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE28of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED38CheckIfSIACCUMsShouldBeIsolated:

a.Checkthefollowing:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.GotoStep39.oPRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischarge valves~MOV-841~MOV-865c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.d.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA;AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

EOP:ECA-2~1T!TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE29of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED39CheckRCSHotLegControlfeedflowanddumpsteamtoTemperatures

-LESSTHAN350'F.establish RCScooldownratelessthan100'F/hrinRCScoldlegs.NOTE:oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingPRZRPORV,selectonewithoperableblockvalve.40CheckRCSPressure-LESSTHAN400PSIG[300PSIGadverseCNMT]eUsenormalPRZRspray.IFnormalsprayNOTavailable andletdownisinservice,THENuseauxiliary spray.IFNOT,THENuseonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE30of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED41CheckIfRHRNormalCoolingCanBeEstablished:

a.RCScoldlegtemperature

-LESSTHAN350'Fa.ReturntoStep37'.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.Placeletdownpressurecontroller (PCV-135) inMANUALCLOSEDb.ReturntoStep40.d.Checkfollowing valves-OPEN~AOV-371,letdownisolation valve~AOV-'427, loopBcoldlegtoREGENHx~Atleastoneletdownorificevalve(AOV-200A, AOV-200B, orAOV-202)d.Performthefollowing:

1)ResetbothtrainsofXYrelaysforAOV-371andAOV-427')OpenAOV-371andAOV-427.3)Openoneletdownorificevalve.e.VerifypressureonPI-135-LESSTHAN400PSIGe.ReturntoStep40.f.PlaceRCSoverpressure protection systeminservice(Referto0-7,ALIGNMENT ANDOPERATION OFTHEREACTORVESSELOVERPRESSURE PROTECTION SYSTEM)g.Establish RHRnormalcooling(RefertoAttachment RHRCOOL)f.IFRCSoverpressure protection systemcanNOTbeplacedinservice,THENnotifyTSCofpotential TechSpecviolation ifRHRsystemisplacedinservice.

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE31of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED42ContinueRCSCooldownToColdShutdown:

a.MaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HR,b.ChecknarrowrangelevelinbothS/Gs-LESSTHAN50%b.Controlfeedflowtomaintainnarrowrangelevellessthan50%'nbothS/Gs.43CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep42.44EvaluateLongTermPlantStatus:a.Maintaincoldshutdownconditions b.ConsultTSC-END-

EOP:TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE1of1ECA-2.1APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)ATTACHMENT FAULTEDS/G4)ATTACHMENT CNMTRECIRCFANS5)ATTACHMENT NC6)-ATTACHMENT RCPSTART7)ATTACHMENT N2PORVS8)ATTACHMENT SEALCOOLING9)ATTACHMENT SI/UV10)ATTACHMENT D/GSTOP11)ATTACHMENT SD-112)ATTACHMENT SD-213)ATTACHMENT RHRCOOL14)ATTACHMENT AUXBLDGSW15)FOLDOUTPAGES

EOP:ECA-2.1T!TLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan43%[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Cold.legtemperatures decreasegreaterthan100'F'inlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressure.

greaterthan,60psig

EOP:ECA-2.1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication SPRESSURE(PSIG)RC2500240023002200210020001900'80017001600150014001300120011001000900800700600500400300200100020RCSPRESSUREINCREHENTS 20PSIGSUBCOOLED REGIONINADEQUATE SUBCOOLING REGIONADVERSECNHTTEHPERATURE INCREHENTS 10'FNORHALCNHT0'50300350400450500550600650700COREEXITSATURATION TEHPERATURE

('F)

EOP!ECA-2.1TITLE!UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE1of1FOLDOUTPAGE1.SIREINITIATION CRITERIAManuallyoperateSIpumpsasnecessary ifEITHERcondition listedbelowoccurs:oRCSsubcooling basedoncoreexitTCs-LESSTHANO'FUSINGREQUIREMENTS OFFIGUREMINSUBCOOLING oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54[304ADVERSECNMT]2.E-2TRANSITION CRITERIAIFanyS/Gpressureincreases atanytime(exceptwhileperforming SItermination inSteps18and19),THENgotoE-2,FAULTEDSTEAMGENERATOR ISOLATION, Step1.3.COLDLEGRECIRCULATION SWITCHOVER CRITERION IFRWSTleveldecreases tolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Step1.4.LOSSOFEMERGENCY COOLANTRECIRCULATION CRITERION IFemergency coolantrecirculation isestablished andsubsequently lost,THENgotoECA-1.1,LOSSOFEMERGENCY COOLANTRECIRCULATION,

'Step1.5.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.l, ALTERNATE WATERSUPPLYTOAFWPUMPS).

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