ML17263A197: Difference between revisions
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
||
Line 17: | Line 17: | ||
=Text= | =Text= | ||
{{#Wiki_filter:EOP:E-1TITLE: | {{#Wiki_filter: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:' | 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: | EOPIE-1TITLE:LOSSOFREACTORORSECONDARY COOLANTREV:llPAGE4of16STEPACTION/EXPECTED RESPONSE~RESPONSENOTOBTAINED2CheckIfS/GSecondary SideIsIntact:oPressureinbothS/Gs-STABLEORINCREASING IFanyS/Gpressuredecreasing inanuncontrolled mannerORcompletely depressurized, THENverifyfaultedS/GisolatedunlessneededforRCScooldown: | ||
W1N EOP!E- | oPressureinbothS/Gs-GREATERTHAN100PSIG~Steamlines | ||
K EOP!E- | ~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- | 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) | f) | ||
E-l. | E-l.LOSSOFREACTORORSECONDARY COOLANTREV:11PAGE8of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED10CheckNormalPowerAvailable ToChargingPumps:oBus14normalfeedbreaker-'CLOSEDoBus16normalfeedbreaker-CLOSEDVerifyadequateemergency D/Gcapacitytorunchargingpumps(75kweach).IFNOT,THENevaluateifCNMTRECIRCfanscanbestopped(RefertoAttachment CNMTRECIRCFANS).. | ||
EOP:E- | 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',~ | lp',~ | ||
EOP:E-1T1TLE: | 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- | EOPsE-1LOSSOFREACTORORSECONDARY COOLANTREV:llPAGE11of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED13GoToES-1.1,SITERMINATION/ | ||
EOP:E-1TITLE. | 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: | 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- | EOPE-1LOSSOFREACTORORSECONDARY COOLANTREV'1PAGE14of16STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED18VerifyCNMTSumpRecirculation Capability: | ||
II E- | 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- | 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- | 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: | 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- | 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: | EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE1of38ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEW1PORCREVIEWDATEk'LANTSUPERINTENDENT EFFECTIVDATECATEGORY1.0REVIEWEDBY: | ||
0fICKcAaJpP,*t EOP:E-3JITLE: | 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 | ||
~A$ra.a EOP:E- | -Thisprocedure isenteredfrom:a.E-O,REACTORTRIPORSAFETYINJECTION, whencondenser airejectorradiation orblowdownradiation isabnormal, orb~E0gREACTORTRIPORSAFETYINJECTION/ | ||
E1/LOSSOFREACTORORSECONDARY COOLANTgE-2,FAULTEDSTEAMGENERATOR ISOLATION, andFRHE3RESPONSETOSTEAMGENERATOR HIGHLEVELSwhensecondary radiation isabnormal, orc.E-O,REACTORTRIPORSAFETYINJECTION/ | |||
E1gLOSSOFREACTORORSECONDARY COOLANTgES1~2gPOSTLOCACOOLDOWNANDDEPRESSURI ZATIONgECA3~3gSGTRWITHOUTPRESSURIZERPRESSURECONTROLSwhenanintactS/Gnarrowrangelevelincreases inanuncontrolled manner.dECA3~3~SGTRWITHOUTPRESSURIZERPRESSURECONTROL/whenpressurizer pressurecontrolisrestored. | |||
e.E-1seriesFOLDOUTpage'whenever eitherS/Glevelincreases inanuncontrolled manneroreitherS/Ghasabnormalradiation. | |||
~A$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- | 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 | ||
EOP:E-3TITLE: | -OR-oRPreportshighradiation fromS/Gactivitysample 4WJ EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE5of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED************ | ||
P'>fg EOP:E-3TITLE: | x****x*%********************* | ||
%tkCggt EOP:E-3TITLE: | CAUTIONoIFTHETDAFWPUMP.ISTHEONLYAVAILABLE SOURCEOFFEEDFLOW,STEAMSUPPLYTOTHETDAFWPUMPMUSTBEMAINTAINED FROMONES/G.oATLEASTONES/GSHALLBEMAINTAINED AVAILABLE FORRCSCOOLDOWN. | ||
~s'I~lIc~i~gVW EOP:E-3TITLE: | 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 | ||
+k~f EOP:E-3TtTLE: | ~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.. | ||
pffft' | ~S/GA,V-5701~S/GB,V-5702 a1IllI'tilU EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE6of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4CompleteRupturedS/GIsolation: | ||
EOP:E- | a.CloserupturedS/GMSIV-RUPTUREDS/GMSIVCLOSEDa.Performthefollowing: | ||
<<I EOP:E-3TITLE: | 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>; | ||
)%%41e' EOP:E-3TITLE: | EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE7of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED********** | ||
'k EOP:E-3TITLE: | x*a***xxxx%*xx***************** | ||
re%4',r,f' EOP:E-3TITLE: | CAUTIONIFANYRUPTUREDS/GISFAULTED,FEEDFLOWTOTHATS/GSHOULDREMAINISOLATEDDURINGSUBSEQUENT RECOVERYACTIONSUNLESSNEEDEDFORRCSCOOLDOWN. | ||
~A4 EOP:E- | 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. | |||
<<I EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE15of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17Establish IAtoCNMT:a.Verifynon-safeguards bussesenergized oBus13normalfeed-CLOSEDa.Performthefollowing: | |||
1)Closenon-safeguards bustiebreakers: | |||
-OR-oBus15normalfeed-CLOSED~Bus13toBus14tie~Bus15toBus16tie2)Verifyadequateemergency D/Gcapacitytorunaircompressors (75kweach).IFNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachment CNMTRECIRCFANS).b.VerifyturbinebuildingSWisolation valves-OPENb.Manuallyalignvalves.~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors | |||
-RUNNINGd.CheckIAsupply:c.Manuallystartaircompressors aspowersupplypermits(75kweach).IFaircompressors canNOTbestarted,THENdispatchAOtolocallyresetcompressors asnecessary. | |||
d.Performthefollowing: | |||
oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASING 1)ContinueattemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENT AIR).2)ContinuewithStep18.WHENIArestored, THENdoSteps17eandf.e.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPEN I'4*4-'p'ilI%PblQICal EOP:LITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE16of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED18Establish ChargingFlow:a.Chargingpumps-ANYRUNNINGa.Performthefollowing: | |||
1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjection needlevalvestoaffectedRCP.~V-300AforRCPA~V-300BforRCPBb.AlignchargingpumpsuctiontoRWST:2)EnsureHCV-142demandat0%.b.IFLCV-112BcanNOTbeopened,THENperformthefollowing: | |||
oLCV-112B-OPENoLCV-112C-CLOSED1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.Startchargingpumpsasnecessary andestablish 75gpmtotalchargingflow2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).~Charginglineflow~Sealinjection | |||
)%%41e' EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE17of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED************x*x**x**x*% | |||
******x*********** | |||
CAUTIONRCSCOOLDOWNINSTEP14SHOULDBECOMPLETED BEFORECONTINUING TOSTEP19.**********x****x xxx**xxx**x**x*********** | |||
19CheckRupturedS/GPressure-STABLEORINCREASING IFpressurecontinues todecreasetolessthan250psiabovethepressureoftheintactS/G,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.20CheckRCSSubcooling BasedOnCoreExitT/Cs-GREATERTHAN20'FUSINGFIGUREMINSUBCOOLING GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1 | |||
'k EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE18of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:SIACCUMsmayinjectduringRCSdepressurization. | |||
21Depressurize RCSToMinimizeBreakFlowAndRefillPRZR:a.Checkthefollowing: | |||
oRupturedS/Glevel-LESSTHAN90%[85%adverseCNMTjoAnyRCP-RUNNINGoIAtoCNMT-AVAILABLE b.SprayPRZRwithmaximumavailable sprayuntilANYofthefollowing conditions satisfied: | |||
oPRZRlevel-GREATERTHAN75%[65%adverseCNMT)-OR-oRCSpressure-LESSTHANSATURATION USINGFIGUREMINSUBCOOLING | |||
-OR-oBOTHofthefollowing: | |||
1)RCSpressure-LESSTHANRUPTUREDS/GPRESSURE2)PRZRlevel-GREATERTHAN5%[30%adverseCNMT]c.ClosenormalPRZRsprayvalves:1)Adjustnormalsprayvalvecontroller to0%DEMAND2)VerifyRCSpressureINCREASING d.Verifyauxiliary sprayvalve(AOV-296) | |||
-CLOSEDe.GotoStep24a.GotoStep22.c.StopRCPs.d.DecreasechargingspeedtominimumandensurechargingvalvetoloopBcoldlegopen(AOV-294). | |||
re%4',r,f' EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV15PAGE19of'38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*********** | |||
4**x~xxxxxx*x**x************** | |||
CAUTIONoTHEPRTMAYRUPTUREIFAPRZRPORVISUSEDTODEPRESSURIZE THERCS.THISMAYRESULTINABNORMALCNMTCONDITIONS. | |||
oCYCLINGOFTHEPRZRPORVSHOULDBEMINIMIZED. | |||
oTHEUPPERHEADREGIONMAYVOIDDURINGRCSDEPRESSURIZATION IFRCPSARENOTRUNNING.THISMAYRESULTINARAPIDLYINCREASING PRZRLEVEL.*******x%**x***4x*xx4******************** | |||
NOTE:oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingaPRZRPORVselectonewithanoperableblockvalve.22Depressurize RCSUsingPRZRPORVToMinimizeBreakFlowAndRefillPRZR:a.VerifyIAtoCNMT-AVAILABLE b.PRZRPORVs-ATLEASTONEAVAILABLE a.RefertoAttachment N2PORVStooperatePORVs.b.IFauxiliary sprayavailable, THENreturntoStep21b.IFauxiliary spraycanNOTbeestablished, THENgotoECA-3.3,SGTRWITHOUTPRESSURIZER PRESSURECONTROL,Step1.ThisStepcontinued onthenextpage. | |||
~A4 EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE20of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED(Step22continued frompreviouspage)c.OpenonePRZRPORVuntilANYofthefollowing conditions satisfied: | |||
oPRZRlevel-GREATERTHAN75%(65%adverseCNMT]-OR-oRCSpressure-LESSTHANSATURATION USINGFIGUREMINSUBCOOLING | |||
-OR'-oBOTHofthefollowing: | |||
1)RCSpressure-LESSTHANRUPTUREDS/GPRESSURE2)PRZRlevel-GREATERTHAN5%(30%adverseCNMT]d.ClosePRZRPORVsd.IFeitherPRZRPORVcanNOTbeclosed,THENcloseassociated blockvalve. | |||
Jg~~' | Jg~~' | ||
EOP:E- | EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE21of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED23CheckRCSPressure-INCREASING CloseblockvalveforthePRZRPORVthatwasopened.IFpressurecontinues todecrease, THENperformthefollowing: | ||
Cl1JC,C EOP:E-3TIl'LE: | a.Monitorthefollowing conditions forindication ofleakagefromPRZRPORV:oPORVoutlettemp(TI-438)NOTdecreasing. | ||
I'I EOP:E-3TITLE: | oPRTpressure, levelortemperature continuetoincrease. | ||
yg'-u'I~fE'tIlht EOP:E- | b.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1. | ||
f.+tkhPW>,1$y44sjf-Qy'"9,,t4'X;i EOP:E- | Cl1JC,C EOP:E-3TIl'LE:STEAMGENERATOR TUBERUPTUREREV15PAGE22of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED************** | ||
4IP EOP:E-3TITLE: | 0*xxw***x%***************** | ||
I'1'rIVIIWg EOP:E-3JIZLE: | CAUTIONSIMUSTBETERMINATED WHENTERMINATION CRITERIAARESATISFIED TOPREVENT'OVERFILLING OFTHERUPTUREDS/G.*********** | ||
I.'~I~.4Altg~Ck EOP:E-3TITLE: | x*xx**x0*x**x%**xx*x******x*** | ||
I>~Mt~,M.ltCg~a~4~IPh~4 EOP:E- | 24CheckIfSIFlowShouldBeTerminated: | ||
Pp<<4.ig%1EP EOP:E-3TITLE: | a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING b.Secondary heatsink:oTotalfeedflowtoS/G(s)GREATERTHAN200GPMAVAILABLE | ||
I')~4N1g'0'1I+S EOP:E-3TITLE: | -OR-a.DoNOTstopSIpumps.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.b.IFneithercondition satisfied, THENdoNOTstopSIpumps.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.oNarrowrangelevelinatleastoneintactS/GGREATERTHAN5%[25%adverseCNMT)c.RCSpressure-STABLEORINCREASING d.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)c.DoNOTstopSIpumps.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.d.DoNOTstopSIpumps.ReturntoStep12. | ||
I'I EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE23of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED25StopSIPumpsAndPlaceInAUTO26Establish RequiredChargingLineFlow:a.Chargingpumps-ANYRUNNINGb.Establish 20gpmcharginglineflowa.Performthefollowing: | |||
1)IFCCWflowislosttoanyRCPthermalbarrierOR"anyRCP41sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyisolatesealinjection toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open.3)Startonechargingpump.*27MonitorSIReinitiation Criteria: | |||
a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING b.PRZRlevel-GREATERTHAN5%[30%adverseCNMTja.ManuallyoperateSIpumpsasnecessary andgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl..b.Manually,.operate SIpumpsasnecessary. | |||
IFPRZRlevelcanNOTbemaintained, THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl. | |||
yg'-u'I~fE'tIlht EOP:E-3STEAMGENERATOR TUBERUPTUREREV15PAGE24of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*28MonitorIfCNMTSprayShouldBeStopped:a.CNMTspraypumps-ANYRUNNINGb.VerifyCNMTpressure-LESSTHAN4PSIGc.ResetCNMTsprayd.CheckNaOHtankoutletvalvesCLOSED~AOV-836A~AOV-836Ba.GotoStep29.b.Continue'with Step29.WHENCNMTpressurelessthan4psig,THENdoSteps28cthroughf.d.PlaceNaOHtankoutletvalvecontrollers toMANUALandclosevalves.e.StopCNMTspraypumpsandplaceinAUTOf.CloseCNMTspraypumpdischarge valves~MOV-860A~MOV-860B~MOV-860C~MOV-860D I&q.II EOP:E-3LITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE25of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED29CheckIfSIACCUMsShouldBeIsolated: | |||
a.Checkthefollowing: | |||
oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.ManuallyoperateSIpumpsasnecessary andgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.oPRZRlevel-GREATERTHAN5%[30%adverseCNMTjb.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. | |||
f.+tkhPW>,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: | EOP:E-3TITLE:STEAMGENERATOR TUBERUPTUREREV:15PAGE35of38STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED******xxx*0xxxxx%xx'xx%'*x 4***x****x******* | ||
ig$VJ~wII'gle EOP:E-3TITLE: | CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION. | ||
EOP:E-3TITLE: | ************4*4xxw*~************'*********42CheckRCPStatus:a.RCPs-ATLEASTONERUNNINGb.StopallbutoneRCPa.Performthefollowing: | ||
~m,~~l~l, EOP:E-3LITLE: | 1)TrytostartoneRCP:a)Ensureconditions forstartinganRCP.oBusllAor11Benergized. | ||
~lt4elhi7X EOP:E- | oRefertoAttachment RCPSTART.b)IFRVLISlevel(noRCPs)lessthan95%,THENperformthefollowing: | ||
EOP:E- | oIncreasePRZRleveltogreaterthan65%(80%adverseCNMTj.oDumpsteamtoestablish RCSsubcooling basedoncoreexitT/Cstogreaterthan20'FusingFigureMINSUBCOOLING. | ||
'pV',IIIjfr'-Il+~"I'~fcI,I~4 EOP:E-3TITLE: | c)StartoneRCP.2)IFanRCPcanNOTbestarted,THENverifynaturalcirculation (RefertoAttachment NC).IFnaturalcirculation canNOTbeverified, THENincreasedumpingsteam. | ||
ig$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'- | J'- | ||
EOP:E- | EOP:E-3STEAMGENERATOR TUBERUPTUREREV:15PAGE1of1SIREINITIATION CRITERIAFOLDOUTPAGEIFeithercondition listedbelowoccurs,THENoperateSIpumpsmanuallyasnecessary andgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1:oRCSsubcooling basedoncoreexitT/Cs-LESSTHAN0FUSINGREQUIREMENTS OFFIGUREMINSUBCOOLING. | ||
tel5t EOP:ECA-2'T1TLE: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | EOP:ECA-2~1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE8of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*9MonitorIfCNMTSprayShouldBeStopped:a.CNMTspraypumps-RUNNINGb.Checkthefollowing: | ||
EOP:ECA-2.1TITLE: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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. | 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: | 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. | 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: | 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: | 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). | ||
C EOP:ECA-2.1'1ILE: | IFPRZRsprayNOT'vailable', | ||
I EOP:ECA-21T!TLE: | THENuseonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS. | ||
ilk EOP:ECA-2~1TITLE: | 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: | 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: | 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: | EOP:ECA-F1TITLE:UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS REV:12PAGE27of31STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED36MaintainPlantConditions-STABLEControlplantsystemsasnecessary tomaintainconditions stable.oRCSpressureoPRZRleveloRCStemperatures | ||
'I'4 EOP:ECA-F1T1TLE: | *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: | 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: | 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: | 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: | 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: | 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: | 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! | 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).}} |
Revision as of 13:02, 29 June 2018
ML17263A197 | |
Person / Time | |
---|---|
Site: | Ginna ![]() |
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) | |
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).