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{{#Wiki_filter:EOP:AP-RCP.1TITLE: | {{#Wiki_filter:EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTION REV11PAGE1of10ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERRESPONSIBLE AGEREFFECTIVE DATECATEGORY1.0REVIEWEDBY:9708i30125 970805PDRADOCK05000244PDR EOP:AP-RCP.1RCPSEALMALFUNCTION REV11PAGE2of10A.PURPOSE-Thisprocedure providestheinstructions necessary todiagnoseandtorespondtoareactorcoolantpumpsealmalfunction. | ||
EOP:AP-RCP.1TITLE: | B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS | ||
EOP:AP-RCP. | -Thisprocedure isenteredfrom:a.E-3,STEAMGENERATOR TUBERUPTURE,orb.ES-l.l,SITERMINATION, orc.ES-1.2,POSTLOCACOOLDOWNANDDEPRESSURIZATION, ord.ECA-0.1,LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIRED, ore.ECA-2.1,UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS, orf.ECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,org.ECA-3.2,SGTRWITHLOSSOFREACTORCOOLANT-SATURATED RECOVERYDESIRED,.orh.ECA-3.3,SGTRWITHOUTPRESSURIZER PRESSURECONTROL,ori.FR-I.1,RESPONSETOHIGHPRESSURIZER LEVEL,whenRCPsealmalfunction isindicated. | ||
I0f EOP:AP-RCP.1TITLE: | 2.SYMPTOMS-ThesymptomsofRCPSEALMALFUNCTION are;a.Annunciator B-17(18), | ||
RCPA(B)No.1SEALHI-LOFLOW5.0GPM1.0,lit,orb.Annunciator B-9(10),RCPA(B)LABYRSEALLODIFFPRESS15"H20,lit,orc.Annunciator B-3(4),RCPA(B)STANDPIPEHILEVEL+1FT,lit,orContinued onnextpage AP-RCP.1RCPSEALMALFUNCTION REV:11PAGE3of102.SYMPTOMS(cont)d.Annunciator B-ll(12), | |||
RCPA(B)STANDPIPELOLEVEL-4FT,lit,ore.Annunciator B-25(26), | |||
RCPA(B)No.1SEALLODIFFPRESS220PSID,lit,orf.Annunciator B-l(2),RCPA(B)No.1SEALOUTHITEMP200'F,lit,or,g.Annunciator A-7(15),RCPA(B)CCWRETURNHIGHTEMPORLOWFLOW,lit. | |||
EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTION REV11PAGE4of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDCAUTIONoIF,ATANYTIMEDURINGTHISPROCEDURE, A'EACTORTRIPORSIOCCURS,E-O,REACTORTRIPORSAFETYINJECTION, SHALLBEPERFORMED. | |||
oIFANYRCPISTRIPPED,THENSHUTDOWNMARGINREQUIREMENTS SHOULDBEVERIFIED(REFERTO0-3.1,BORONCONCENTRATION FORXENONFREEALLRODSINMOSTREACTIVERODSTUCKOUTSHUTDOWNMARGIN).oIFARCPISSECUREDBECAUSEOFASEALMALFUNCTION, ITSHOULDNOTBERESTARTED UNTILTHECAUSEOFTHEMALFUNCTION HASBEENDETERMINED ANDCORRECTED. | |||
NOTE;oIfaReactortripisiTIitiated whileperforming Step1,transition toE-0shouldoccurwhilecompleting subsequent actionsofthestep.oTotal¹1SealFlowisdefinedasthesumofindicated | |||
¹1SealLeakoffFlowandRCDTleakrate(PPCSPointIDL1003,3.2gal/8inthenormaloperating range).1CheckTotal$1SealLeakaffFlows-LESSTHAN8.0GPMIFa¹1SealFailureisverifiedbyadecreaseinLabyrSealDiffPressureORincreasing SealInlet/Outlet temps,THENperformthefollowing: | |||
a.IFreactortripbreakersclosed,THENtripthereactor.b.TriptheaffectedRCP(s).c.Allow4minutesforpumpcoastdown,THENcloseaffectedRCP(s)sealdischvalve.~RCPA,AOV-270A~RCPB,AOV-270Bd.IFreactortripwasNOTrequired, THENgotoStep4. | |||
EOP:AP-RCP.1RCPSEALMALFUNCTION REV11PAGE5of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2CheckRCPSealReturnValveAlignment: | |||
a.RCPsealreturnisolation valve,MOV-313-OPENa.Performthefollowing: | |||
1)EnsureCIreset.2)EnsurebothtrainsofXYrelaysforRCPsealreturnisolation valve,MOV-313,reset.3)OpenRCPsealreturnisolation valve,MOV-313.IFMOV-313canNOTbeopened,THENdispatchAOtoAUXBLDGwithRWSTareakeytocheckvalveandbreakerlocally(breakerMCCCposition13J).b.VerifyRCPsealdischvalvesOPEN~RCPA,AOV-270A~RCPB,AOV-270Bb.Manuallyopenvalves.IFvalvescanNOTbeopened,THENverifyIAalignedtoCNMTandgotoStep3. | |||
I0f EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTXON REV11PAGE6of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDVNOTE:oIfareactortripisinitiated whileperforming Step3,transition toE-0shouldoccurwhilecompleting subsequent actionsofthestep.oThe0.8GPMlimitfor¹1sealflowapplieswhentheRCSisatnormaloperating pressure. | |||
RefertoFigureRCPSEALLEAKOFFandconsultplantstaffforguidanceiftheRCSisatreducedpressure. | |||
3CheckTotalglSealFlow-BETWEEN0.8GPMAND6.0GPMIF¹1SealInletandOutlettemperatures areincreasing, THENperformthefollowing: | |||
a.IFreactortripbreakersclosed,THENtripthereactor.b.TriptheaffectedRCP(s).c.Allow4minutesforpumpcoastdown,THENcloseaffectedRCP(s)sealdischvalve.~RCPA)AOV-270A~RCPB)AOV-270BIF¹1SealInletandOutlettemperatures arestable,THENperformthefollowing whilecontinuing withthisprocedure. | |||
oIFtotal¹1SealFlowgreaterthan6.0gpm,THENmaintainsealinjection flowrateof9.0GPMorgreatertotheaffectedRCP.oIFtotal¹1Sealflowexceeds8.0GPMORSealInlet/Outlet temperatures begintoincrease, THENreturntoStep1.oPreparefororderlypumpshutdownbyplacingtheplantinHotShutdownusing0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN. | |||
oSecuretheaffectedRCPwith8hours. | |||
EOP:AP-RCP. | EOP:AP-RCP.1RCPSEALMALFUNCTION REV11PAGE7of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Attachment RCPDIAGNOSTICS maybeusedtoaidindiagnosis. | ||
4CheckRCPCooling:oAnnunciator A-7,RCPACCWRETURNHIGHTEMPORLOWFLOW-EXTINGUISHED oAnnunciator A-15,RCPBCCWRETURNHIGHTEMPORLOWFLOW-EXTINGUISHED Performthefollowing: | |||
a.VerifyRCPCCWsupplyandreturnvalvesopen.~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV>>759Bb.En'sureopenCCWoutletvalvesfromRCPthermalbarriers. | |||
~RCPA,AOV-754A~RCPB,AOV-754B5CheckRCPg2SealIndications: | |||
oAnnunciator B-3,RCPASTANDPIPE HILEVEL+1FT-EXTINGUISHED' Annunciator B-4,RCPBSTANDPIPE HILEVEL+1FT-EXTINGUISHED IFaffectedRCP¹1sealleakoffflowdecreasing, THENfailureof¹2sealmaybeindicated. | |||
Continueplantoperation whilecloselymonitoring RCPsealindications. | |||
EOP.AP-RCP.1TITLE: | EOP.AP-RCP.1TITLE:RCPSEALMALFUNCTION REV:11PAGE8of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDCAUTIONREDUCINGCHARGINGFLOW'WILL RESULTININCREASING REGENHXOUTLETTEMPERATURE. | ||
1'l F.OP:AP-RCP.1LITLE: | 6CheckRCPLabyrinth SealD/Ps-GREATERTHAN15INCHESOFMATERPerformthefollowing: | ||
AP-RCP. | a.EnsureopenCCWoutletvalvesfromRCPthermalbarriers. | ||
0 EOP:'P-TURB. | ~RCPA,AOV-754A~RCPB,AOV-754Bb.Verifysealinjection flowgreaterthan5GPMforaffectedRCP.c.AdjustHCV-142asnecessary. | ||
EOP:P-TURB.5[ITl.E: | d.DispatchAOtochecksealinjection filterD/P.e.CheckCCWsurgetanklevelstable.IFlevelincreasing, THENgotoAP-CCW.l, LEAKAGEINTOTHECOMPONENT COOLINGLOOP.7CheckRCPg3SealIndications: | ||
EOP:P-TURB.5TITLE: | oAnnunciator B-ll,RCPASTANDPIPELOLEVEL-4FT-EXTINGUISHED oAnnunciator B-12,RCPBSTANDPIPELOLEVEL-4FT-EXTINGUISHED CheckCNMTradiation monitorsnormal.~R-11~R-12IFRCPstandpipe levellowandCNMTradiation'increasing, THEN¹3sealleakageincreaseisprobable. | ||
EOP:P-TURB.5jITLE: | Continueplantoperation whilecloselymonitoring RCPsealindications. | ||
EOP:P-TURB.5TITLE: | 1'l F.OP:AP-RCP.1LITLE:RCPSEALMALFUNCTION REV11PAGE9of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Intheabsenceofothersealfailureindications, anelevated¹1sealoutlettemperature mayindicatepumpbearingdamage.*8MonitorPlantConditions: | ||
''I~P EOIa:ATT-9.0TITLE: | a.RCP¹1sealflowoTotal¹1sealleakoffflow-LESSTHAN6.0GPMoTotal¹1sealflow-GREATERTHAN0.8GPMa.IFaffectedRCPrunning,THENreturntoStep1.IFNOT,THENperformthefollow'ing: | ||
1)MonitoraffectedRCP(RefertoAttachment RCPDIAGNOSTICS). | |||
b.RCP¹1SealFlow-WITHINTHENORMALOPERATING RANGEOFFIGURERCPSEALLEAKOFF2)ConsultPlantStafftodetermine ifcooldownrequired. | |||
b.Performthefollowing: | |||
oEnsuresealinjection flowexceeds¹1sealleakoffflow.oRefertoS-2.1,ReactorCoolantPumpOperation. | |||
oConsultplantstaffforfurtherinstructions. | |||
c.RCP¹1sealoutlettemperatures LESSTHAN215'NDSTABLEd.RCSleakage-NORMAL(Refertoleakagesurveillance sheet)c.IFpumpbearingdamageissuspected, THENnotifyplantstaffandexpediteshutdownoftheaffectedRCP.IFNOT,THENreturntcStep1.d.Performthefollowing: | |||
1)Calculate RCSleakrate. | |||
2)RefertoITSsection3.4e13. | |||
AP-RCP.1TRCPSEALMALFUNCTION REV:11PAGE10of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATE NOTIFICATION, forreporting requirements. | |||
9NotifyHigherSupervision | |||
-END-EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTION REV:11PAGE1of1AP-RCP.1APPENDIXLISTTITLEr1)FIGURERCPSEALLEAKOFF2)ATTACHMENT RCPDIAGNOSTICS PAGES EOP:AP-RCP.1T!ZLE:RCPSEALMALFUNCTION REV:11PAGE1of1FIGURERGPSEALLEAKOFFO'ISEALLEAKRATE(GPM)6LEAKRATEINCREMENTS 0.2GPHNORMALOPERATING RANGEDPINCREMENTS 50PSI250500750100012501500175020002250250081SEALDP(RCSPRESS-VCTPRESS)PSI EOP:,P-TURB.5 | |||
'fITLE:RAPIDLOADREDUCTION REV'PAGE1of11ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWRES0SIBLEMANAGEREFFECTIVE DATECATEGORY1.0REVIEWEDBY: | |||
0 EOP:'P-TURB.5 RAPIDLOADREDUCTION REV:1PAGE2of11A.PURPOSEB.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS | |||
-Thisprocedure isenteredfroma.TheSShasdetermined thatarapidloadreduction isrequired. | |||
EOP:P-TURB.5[ITl.E:RAPIDLOADREDUCTION REV:1PAGE3of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED************* | |||
x*x*x*x**x*xx*************** | |||
CAUTIONoIFATANYTIMEDURINGTHISPROCEDURE, AREACTORTRIPORSIOCCURS,THENE-O,REACTORTRIPORSAFETYINJECTION, SHALLBEPERFORMED. | |||
oIFMAINFEEDWATER FLOWSHOULDDECREASETO25%OFFULLPOWERVALUE(.825E+6LBM/HR)PRIORTOTHEAMSACSYSTEMAUTOMATICALLY | |||
: BLOCKING, THENATURBINETRIPANDAUXFEEDPUMPSSTARTCOULDRESULT.********x | |||
*******xxxx*xxxxx*xx**x*x****x** | |||
NOTE:oThisprocedure isintendedforusewhentherequiredloadreduction rateis)1%/min.oAmaximumcontinuous loadreduction rateof)5%/minwouldnotnormallybeusedunlessotherwise directedbytheShiftSupervisor. | |||
*1InitiateLoadReduction a.VerifyRODCONTROLBANKSELECTORSWITCHisinAUTOMATIC a.IFAutoRodControlisinoperable ORManualControlisdesired,THENperformthefollowing: | |||
1)PlaceRODCONTROLBANKSELECTORSWITCHtoMANUAL.b.ReduceturbineloadusingAutoTurbineEHControlifdesired1)Selectdesiredrateonthumbwheel 2)InsertRodsasnecessary tomatchTavgandTref.b.IFAutoControlisinoperable ORManualControl,isdesired,THENreduceturbineloadinmanualasdesired.2)Reducethesettertothedesiredload3)DepresstheGObuttonc.VerifySteamDumpoperating inauto,asrequiredc.PlaceSteamDumpinmanualandoperateasnecessary. | |||
EOP:P-TURB.5TITLE:RAPIDLOADREDUCTION REV1PAGE4of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED***********x xxx*x**x***x**x xxxxxx*xx*x*xxCAUTIONEXTREMEANDRAPIDRODMOTIONTOMITIGATETAVGSWINGSMAYRESULTINLARGEPOWEREXCURSIONS ANDSHOULDBEAVOIDED.**************x xxxx****x*xx*xxxxx*xxx*x*x2MonitorRCSTavgoTavg-GREATERTHAN545'FoTavg-LESSTHAN578'FVerifyAUTOcontrolrodmotionasrequired. | |||
IFNOT,THENplacerodcontrolbankselectorswitchtoMANUALandadjustcontrolrodsasnecessary. | |||
IFTavgisoutsidelimitsANDCANNOTbecontrolled, THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION. | |||
NOTE:Athumbruleforinitialboronadditionis-2gal/0loadreduction. | |||
3AddBoricAcidAsNecessary To:oMaintainorreturnaFluxtothetargetbandoMaintaincontrolrodsaboveinsertion limitsoMatchTavgandTrefoCompensate forxenon EOP:P-TURB.5TlTLE:RAPIDLOADREDUCTION REV:lPAGE5ofllSTEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Itispermissible tooperateRCPsforlimitedperiodswithoutsealinjection, providedCCWisbeingsuppliedtothethermalbarriers. | |||
4CheckIAAvailable ToCNMToIApressure->60psigoInstrAirtoCN>lTIsolValve,AOV-5392-OPENControlPRZRlevelandpressureandfollows:IoAdjustloadreduction rateoEnsurecontrolrodsaremovingtocontrolTavgoSecurechargingpumpsifnecessary oOperateproportional andbackupheatersasrequired5MonitorPlantParameters-CONTROLLING ATORTRENDINGTOPROGRAMVALUES~PRZRPressure~PRZRLevel~S/GLevelIFanyparameter isapproaching atripsetpointANDCANNOTbecontrolled, THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION. | |||
NOTE:Theloadreduction shouldnotbedelayedtoperformtheremaining steps.6CheckIfCondensate BoosterPumpsShouldBeSecureda.Power<65%ORTrimValveV-9508Gindicates | |||
>80%opena.GotoStep13.b.Placetheautocondensate boosterpumptothetrippositionc.Stoponecondensate boosterpumpd.WHENthecondensate systemstabilizes, THENstoptheremaining condensate boosterpump EOP:'P-TURB.5 I'ITLE:RAPIDLOADREDUCTION REV:1PAGE6of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckIfOneMFWPumpShouldBeSecureda.Power<50%a.GotoStep13.b.VerifyatleastoneMFWPSealBoosterpumpinserviceb.NotifyAOtostartoneMFWPSealBoosterpumpc.TwoMFWPumpsrunningc.GotoStep8.d.Closedischarge valveforthepumptobesecured~MFWPumpA-MOV-3977~MFWPumpB-MOV-3976e.StopthedesiredMFWPumpf.ClosethesecuredMFWpumprecircvalvebyplacingthecontrolswitchinpullstopg.ClosetheservicewaterblockvalvetothesecuredMFWpumpoilcooler~MFWPumpA-V-4701~MFWPumpB-V-47028VerifyTrimValvesControlling Condensate SystemPressureinAuto(300-375PSIG)Placecontroller inmanualandadjustpressureasnecessary EOP:P-TURB.5T,ITLE:RAPIDLOADREDUCTION REV:1PAGE7of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9CheckANSACSystemStatusa.Power<35%(-150psigfirststagepressure) b.VerifyAMSACAutoBlockStatusLightisONa.GotoStep13.b.PlaceAMSACManualBlockswitchtotheBLOCKposition10CheckHeaterDrainTankPumpStatusa.Generator load<175MWeb.StoponeHeaterDrainTankPumpc.WHENHeaterDrainTanklevelcontrolisstable,THENstopthesecondHeaterDrainTankPumpa.GotoStep13.11CheckFWFlowBypassVlvStatusa.Power<30%b.FWFlowBypassVlvsinAUTO~HCV-480~HCV-481a.GotoStep13.b.Performthefollowing: | |||
1)SlowlyopentheFWFlowBypassVlvswhileverifying theassociated FWRegVlvcompensates byclosingslightly2)PlaceFWFlowBypassVlvsinAUTO EOP:P-TURB.5RAPIDLOADREDUCTION REV1PAGE8of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12AlignSystemsForLowPowerOperation a.Power<30%a.GotoStep13.b.PlaceAOU-3959, CNDSTBypassUlvtoCLOSEc.PlaceLC-107,HotwellLevelControl,toMANUALd.Generator load<100MWee.Openturbinedrainvalvesd.GotoStep13.13EvaluatePlantStatusa.Powerstableatdesiredlevela.IFpower)20%andfurtherreduction isrequired, THENcontinueloadreduction andreturntoStep6.IFpower<20%andfurtherreduction isrequired, THENrefertoprocedure 0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN. | |||
EOP:P-TURB.5jITLE:RAPIDLOADREDUCTION REV:1PAGE9of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14Establish StablePlantConditions: | |||
a.Tavg-TRENDINGTOTREFa.Performthefollowing: | |||
1)VerifyAUTOcontrolrodmotionas,required. | |||
IFNOT,THENplacerodcontrolbankselectorswitchtoMANUALandadjustcontrolrodsasnecessary. | |||
2)Borateifrequiredforpowerreduction. | |||
b.PRZRpressure-TRENDINGTO2235PSIGb.Verifyproperoperation ofPRZRheatersandsprayORtakemanualcontrolofPRZRpressurecontroller 431K.IFPRZRpressurecanNOTbecontrolled, THENrefertoAP-PRZR.1, ABNORMALPRESSURIZER PRESSURE. | |||
c.PRZRlevel-TRENDINGTOPROGRAMc.Verifyproperoperation ofchargingpumpspeedcontrollers ORtakemanualcontrolofspeedcontrollers tocontrolPRZRlevel.d.Rodinsertion limitalarmsEXTINGUISHED d.Borateasnecessary andwithdrawcontrolrodstoclearinsertion limitalarms(refertoaffectedrodbankalarmresponseprocedures ifnecessary). | |||
e.NarrowrangeS/GlevelsTRENDINGTOPROGRAMLEVELe.EnsureMFWregulating valvescontrolling inAUTO,ORcontrolfeedwater inMANUAL. | |||
EOP:P-TURB.5TITLE:RAPIDLOADREDUCTION REV'PAGE10of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15Establish NormalPlantConditions: | |||
a.VerifyEHcontrolinOPERPANandIMPINb.Verifysteamdumpcontroller, HC-484,inAUTOat1005psigc.Verifyannunciator G-15,STEAMDUMPARMED-EXTINGUISHED a.IFconditions requiring manualoperation havecleared,THENplaceEHinOPERPANandIMPIN.c.IFTavgwithin6'FofTref,THENperformthefollowing: | |||
1)Ensuresteamdumpvalvesclosed.d.VerifyPRZRpresssure controlinAUTO2)Resetsteamdump.d.PlacePRZRpressurecontrolinAUTOasdesired.~431Kmastercontroller | |||
~PRZRsprayvalvecontrollers | |||
~PRZRheatercontrollers e.VerifyPRZRlevelcontrolinAUTO)e.Placeonechargingpumpspeedcontroller inAUTOifdesired.f.VerifyRodControlSelectorSwitchinAUTOf.PlaceRodControlSelectorSwitchinAUTOifdesired.NOTE:Referto0-9.3,NRCIMMEDIATE NOTIFICATION, forreporting requirements. | |||
16NotifyHigherSupervision FOP:P-TURB.5%1TLE:RAPIDLOADREDUCTION REV1PAGE11of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17Referto0-5.1,LOADREDUCTIONS, foradditional "guidance 18ReturnToProcedure OrGuidanceInEffect-END- | |||
''I~P EOIa:ATT-9.0TITLE:ATTACHMENT LETDOWNREV:5PAGE1of1Superintendent | |||
.Y~.Inate7A'iA)Thefollowing conditions mustbemettoplaceeithernormalorexcessletdowninservice:oIAtoCNMT-ESTABLISHED QCCW-INSERVICEoPRZRlevel-GREATERTHAN13%B)Establish NormalLetdown:1.Establish charginglineflowtoREGENHx-GREATERTHAN20gpm.2.Placethefollowing switchestoCLOSE:oLetdownorificevalves(AOV-200A, AOV-200B, andAOV-202)oAOV-427,loopBcoldlegtoREGENHx3.Placeletdowncontrollers inMANUALat40%open:oTemperature controlvalve,TCV-130oPressurecontrolvalve,PCV-1354.VerifyAOV-371,letdownisolation valve-OPEN.5.OpenloopBcoldlegtoREGENHx,AOV-427.6.Openone40gpmletdownorificevalve(AOV-200A orAOV-200B). | |||
7.PlaceTCV-130inAUTOat105'F.8.PlacePCV-135inAUTOat250psig.9.AdjustchargingpumpspeedandHCV-142asnecessary tostablizie PRZRlevelandmaintainRCPlabyrinth sealD/P.C)IFnormalletdowncanNOTbeestablished, THENestablish excessletdown:1.PlaceAOV-312toNORMAL.2.EnsureCCWfromexcessletdownHx,(AOV-745) | |||
-OPEN.3.Openexcessletdownisolation valveAOV-310.4.SlowlyopenHCV-123tomaintainexcessletdowntemperature lessthan195'Fandpressurelessthan100psig.15.Adjustchargingpumpspeedasnecessary tostabilize PRZRlevelandmaintainRCPlabyrinth | |||
.sealD/P. | |||
Distribution SheetDistri-.txt~Hi$PP>/~a~~Priority: | |||
NormalFrom:E-RIDS1ActionRecipients: | |||
RidsNrrPMGVissing Copies:0OKInternalRecipients: | |||
RidsRgn1MailCenter RidsNrrDipmEphp RidsManagerIRODHaanFlECENTEROlDennisHaganExternalRecipients: | |||
011000OKOKOKPaperCopyPaperCopyOKTotalCopies:Item:ADAMSDocumentLibrary:MLADAMS"HQNTAD01ID'03719331:1 | |||
==Subject:== | ==Subject:== | ||
Revision22toGinnaStationEmergency PlanImplementing Procedure 5-2.Body:ADAMSDISTRIBUTION NOTIFICATION. | |||
Electronic Recipients canRIGHTCLICKandOPENfhefirstAttachment toViewtheDocumentinADAMS.TheDocumentmayalsobeviewedbysearching forAccession NumberML003719331 | |||
~A045-ORSubmittal: | |||
Emergency Preparedness Plans,Implementing Procedures, CorrePage1 spondence Distri>>2.txt Docket:05000244Page2}} |
Revision as of 12:41, 29 June 2018
ML17264A977 | |
Person / Time | |
---|---|
Site: | Ginna |
Issue date: | 08/05/1997 |
From: | ROCHESTER GAS & ELECTRIC CORP. |
To: | |
Shared Package | |
ML17264A976 | List: |
References | |
AP-RCP.1, NUDOCS 9708130125 | |
Download: ML17264A977 (32) | |
Text
EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTION REV11PAGE1of10ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERRESPONSIBLE AGEREFFECTIVE DATECATEGORY1.0REVIEWEDBY:9708i30125 970805PDRADOCK05000244PDR EOP:AP-RCP.1RCPSEALMALFUNCTION REV11PAGE2of10A.PURPOSE-Thisprocedure providestheinstructions necessary todiagnoseandtorespondtoareactorcoolantpumpsealmalfunction.
B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS
-Thisprocedure isenteredfrom:a.E-3,STEAMGENERATOR TUBERUPTURE,orb.ES-l.l,SITERMINATION, orc.ES-1.2,POSTLOCACOOLDOWNANDDEPRESSURIZATION, ord.ECA-0.1,LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIRED, ore.ECA-2.1,UNCONTROLLED DEPRESSURIZATION OFBOTHSTEAMGENERATORS, orf.ECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,org.ECA-3.2,SGTRWITHLOSSOFREACTORCOOLANT-SATURATED RECOVERYDESIRED,.orh.ECA-3.3,SGTRWITHOUTPRESSURIZER PRESSURECONTROL,ori.FR-I.1,RESPONSETOHIGHPRESSURIZER LEVEL,whenRCPsealmalfunction isindicated.
2.SYMPTOMS-ThesymptomsofRCPSEALMALFUNCTION are;a.Annunciator B-17(18),
RCPA(B)No.1SEALHI-LOFLOW5.0GPM1.0,lit,orb.Annunciator B-9(10),RCPA(B)LABYRSEALLODIFFPRESS15"H20,lit,orc.Annunciator B-3(4),RCPA(B)STANDPIPEHILEVEL+1FT,lit,orContinued onnextpage AP-RCP.1RCPSEALMALFUNCTION REV:11PAGE3of102.SYMPTOMS(cont)d.Annunciator B-ll(12),
RCPA(B)STANDPIPELOLEVEL-4FT,lit,ore.Annunciator B-25(26),
RCPA(B)No.1SEALLODIFFPRESS220PSID,lit,orf.Annunciator B-l(2),RCPA(B)No.1SEALOUTHITEMP200'F,lit,or,g.Annunciator A-7(15),RCPA(B)CCWRETURNHIGHTEMPORLOWFLOW,lit.
EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTION REV11PAGE4of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDCAUTIONoIF,ATANYTIMEDURINGTHISPROCEDURE, A'EACTORTRIPORSIOCCURS,E-O,REACTORTRIPORSAFETYINJECTION, SHALLBEPERFORMED.
oIFANYRCPISTRIPPED,THENSHUTDOWNMARGINREQUIREMENTS SHOULDBEVERIFIED(REFERTO0-3.1,BORONCONCENTRATION FORXENONFREEALLRODSINMOSTREACTIVERODSTUCKOUTSHUTDOWNMARGIN).oIFARCPISSECUREDBECAUSEOFASEALMALFUNCTION, ITSHOULDNOTBERESTARTED UNTILTHECAUSEOFTHEMALFUNCTION HASBEENDETERMINED ANDCORRECTED.
NOTE;oIfaReactortripisiTIitiated whileperforming Step1,transition toE-0shouldoccurwhilecompleting subsequent actionsofthestep.oTotal¹1SealFlowisdefinedasthesumofindicated
¹1SealLeakoffFlowandRCDTleakrate(PPCSPointIDL1003,3.2gal/8inthenormaloperating range).1CheckTotal$1SealLeakaffFlows-LESSTHAN8.0GPMIFa¹1SealFailureisverifiedbyadecreaseinLabyrSealDiffPressureORincreasing SealInlet/Outlet temps,THENperformthefollowing:
a.IFreactortripbreakersclosed,THENtripthereactor.b.TriptheaffectedRCP(s).c.Allow4minutesforpumpcoastdown,THENcloseaffectedRCP(s)sealdischvalve.~RCPA,AOV-270A~RCPB,AOV-270Bd.IFreactortripwasNOTrequired, THENgotoStep4.
EOP:AP-RCP.1RCPSEALMALFUNCTION REV11PAGE5of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2CheckRCPSealReturnValveAlignment:
a.RCPsealreturnisolation valve,MOV-313-OPENa.Performthefollowing:
1)EnsureCIreset.2)EnsurebothtrainsofXYrelaysforRCPsealreturnisolation valve,MOV-313,reset.3)OpenRCPsealreturnisolation valve,MOV-313.IFMOV-313canNOTbeopened,THENdispatchAOtoAUXBLDGwithRWSTareakeytocheckvalveandbreakerlocally(breakerMCCCposition13J).b.VerifyRCPsealdischvalvesOPEN~RCPA,AOV-270A~RCPB,AOV-270Bb.Manuallyopenvalves.IFvalvescanNOTbeopened,THENverifyIAalignedtoCNMTandgotoStep3.
I0f EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTXON REV11PAGE6of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDVNOTE:oIfareactortripisinitiated whileperforming Step3,transition toE-0shouldoccurwhilecompleting subsequent actionsofthestep.oThe0.8GPMlimitfor¹1sealflowapplieswhentheRCSisatnormaloperating pressure.
RefertoFigureRCPSEALLEAKOFFandconsultplantstaffforguidanceiftheRCSisatreducedpressure.
3CheckTotalglSealFlow-BETWEEN0.8GPMAND6.0GPMIF¹1SealInletandOutlettemperatures areincreasing, THENperformthefollowing:
a.IFreactortripbreakersclosed,THENtripthereactor.b.TriptheaffectedRCP(s).c.Allow4minutesforpumpcoastdown,THENcloseaffectedRCP(s)sealdischvalve.~RCPA)AOV-270A~RCPB)AOV-270BIF¹1SealInletandOutlettemperatures arestable,THENperformthefollowing whilecontinuing withthisprocedure.
oIFtotal¹1SealFlowgreaterthan6.0gpm,THENmaintainsealinjection flowrateof9.0GPMorgreatertotheaffectedRCP.oIFtotal¹1Sealflowexceeds8.0GPMORSealInlet/Outlet temperatures begintoincrease, THENreturntoStep1.oPreparefororderlypumpshutdownbyplacingtheplantinHotShutdownusing0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN.
oSecuretheaffectedRCPwith8hours.
EOP:AP-RCP.1RCPSEALMALFUNCTION REV11PAGE7of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Attachment RCPDIAGNOSTICS maybeusedtoaidindiagnosis.
4CheckRCPCooling:oAnnunciator A-7,RCPACCWRETURNHIGHTEMPORLOWFLOW-EXTINGUISHED oAnnunciator A-15,RCPBCCWRETURNHIGHTEMPORLOWFLOW-EXTINGUISHED Performthefollowing:
a.VerifyRCPCCWsupplyandreturnvalvesopen.~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV>>759Bb.En'sureopenCCWoutletvalvesfromRCPthermalbarriers.
~RCPA,AOV-754A~RCPB,AOV-754B5CheckRCPg2SealIndications:
oAnnunciator B-3,RCPASTANDPIPE HILEVEL+1FT-EXTINGUISHED' Annunciator B-4,RCPBSTANDPIPE HILEVEL+1FT-EXTINGUISHED IFaffectedRCP¹1sealleakoffflowdecreasing, THENfailureof¹2sealmaybeindicated.
Continueplantoperation whilecloselymonitoring RCPsealindications.
EOP.AP-RCP.1TITLE:RCPSEALMALFUNCTION REV:11PAGE8of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDCAUTIONREDUCINGCHARGINGFLOW'WILL RESULTININCREASING REGENHXOUTLETTEMPERATURE.
6CheckRCPLabyrinth SealD/Ps-GREATERTHAN15INCHESOFMATERPerformthefollowing:
a.EnsureopenCCWoutletvalvesfromRCPthermalbarriers.
~RCPA,AOV-754A~RCPB,AOV-754Bb.Verifysealinjection flowgreaterthan5GPMforaffectedRCP.c.AdjustHCV-142asnecessary.
d.DispatchAOtochecksealinjection filterD/P.e.CheckCCWsurgetanklevelstable.IFlevelincreasing, THENgotoAP-CCW.l, LEAKAGEINTOTHECOMPONENT COOLINGLOOP.7CheckRCPg3SealIndications:
oAnnunciator B-ll,RCPASTANDPIPELOLEVEL-4FT-EXTINGUISHED oAnnunciator B-12,RCPBSTANDPIPELOLEVEL-4FT-EXTINGUISHED CheckCNMTradiation monitorsnormal.~R-11~R-12IFRCPstandpipe levellowandCNMTradiation'increasing, THEN¹3sealleakageincreaseisprobable.
Continueplantoperation whilecloselymonitoring RCPsealindications.
1'l F.OP:AP-RCP.1LITLE:RCPSEALMALFUNCTION REV11PAGE9of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Intheabsenceofothersealfailureindications, anelevated¹1sealoutlettemperature mayindicatepumpbearingdamage.*8MonitorPlantConditions:
a.RCP¹1sealflowoTotal¹1sealleakoffflow-LESSTHAN6.0GPMoTotal¹1sealflow-GREATERTHAN0.8GPMa.IFaffectedRCPrunning,THENreturntoStep1.IFNOT,THENperformthefollow'ing:
1)MonitoraffectedRCP(RefertoAttachment RCPDIAGNOSTICS).
b.RCP¹1SealFlow-WITHINTHENORMALOPERATING RANGEOFFIGURERCPSEALLEAKOFF2)ConsultPlantStafftodetermine ifcooldownrequired.
b.Performthefollowing:
oEnsuresealinjection flowexceeds¹1sealleakoffflow.oRefertoS-2.1,ReactorCoolantPumpOperation.
oConsultplantstaffforfurtherinstructions.
c.RCP¹1sealoutlettemperatures LESSTHAN215'NDSTABLEd.RCSleakage-NORMAL(Refertoleakagesurveillance sheet)c.IFpumpbearingdamageissuspected, THENnotifyplantstaffandexpediteshutdownoftheaffectedRCP.IFNOT,THENreturntcStep1.d.Performthefollowing:
1)Calculate RCSleakrate.
2)RefertoITSsection3.4e13.
AP-RCP.1TRCPSEALMALFUNCTION REV:11PAGE10of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATE NOTIFICATION, forreporting requirements.
9NotifyHigherSupervision
-END-EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTION REV:11PAGE1of1AP-RCP.1APPENDIXLISTTITLEr1)FIGURERCPSEALLEAKOFF2)ATTACHMENT RCPDIAGNOSTICS PAGES EOP:AP-RCP.1T!ZLE:RCPSEALMALFUNCTION REV:11PAGE1of1FIGURERGPSEALLEAKOFFO'ISEALLEAKRATE(GPM)6LEAKRATEINCREMENTS 0.2GPHNORMALOPERATING RANGEDPINCREMENTS 50PSI250500750100012501500175020002250250081SEALDP(RCSPRESS-VCTPRESS)PSI EOP:,P-TURB.5
'fITLE:RAPIDLOADREDUCTION REV'PAGE1of11ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWRES0SIBLEMANAGEREFFECTIVE DATECATEGORY1.0REVIEWEDBY:
0 EOP:'P-TURB.5 RAPIDLOADREDUCTION REV:1PAGE2of11A.PURPOSEB.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS
-Thisprocedure isenteredfroma.TheSShasdetermined thatarapidloadreduction isrequired.
EOP:P-TURB.5[ITl.E:RAPIDLOADREDUCTION REV:1PAGE3of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*************
x*x*x*x**x*xx***************
CAUTIONoIFATANYTIMEDURINGTHISPROCEDURE, AREACTORTRIPORSIOCCURS,THENE-O,REACTORTRIPORSAFETYINJECTION, SHALLBEPERFORMED.
oIFMAINFEEDWATER FLOWSHOULDDECREASETO25%OFFULLPOWERVALUE(.825E+6LBM/HR)PRIORTOTHEAMSACSYSTEMAUTOMATICALLY
- BLOCKING, THENATURBINETRIPANDAUXFEEDPUMPSSTARTCOULDRESULT.********x
- xxxx*xxxxx*xx**x*x****x**
NOTE:oThisprocedure isintendedforusewhentherequiredloadreduction rateis)1%/min.oAmaximumcontinuous loadreduction rateof)5%/minwouldnotnormallybeusedunlessotherwise directedbytheShiftSupervisor.
- 1InitiateLoadReduction a.VerifyRODCONTROLBANKSELECTORSWITCHisinAUTOMATIC a.IFAutoRodControlisinoperable ORManualControlisdesired,THENperformthefollowing:
1)PlaceRODCONTROLBANKSELECTORSWITCHtoMANUAL.b.ReduceturbineloadusingAutoTurbineEHControlifdesired1)Selectdesiredrateonthumbwheel 2)InsertRodsasnecessary tomatchTavgandTref.b.IFAutoControlisinoperable ORManualControl,isdesired,THENreduceturbineloadinmanualasdesired.2)Reducethesettertothedesiredload3)DepresstheGObuttonc.VerifySteamDumpoperating inauto,asrequiredc.PlaceSteamDumpinmanualandoperateasnecessary.
EOP:P-TURB.5TITLE:RAPIDLOADREDUCTION REV1PAGE4of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED***********x xxx*x**x***x**x xxxxxx*xx*x*xxCAUTIONEXTREMEANDRAPIDRODMOTIONTOMITIGATETAVGSWINGSMAYRESULTINLARGEPOWEREXCURSIONS ANDSHOULDBEAVOIDED.**************x xxxx****x*xx*xxxxx*xxx*x*x2MonitorRCSTavgoTavg-GREATERTHAN545'FoTavg-LESSTHAN578'FVerifyAUTOcontrolrodmotionasrequired.
IFNOT,THENplacerodcontrolbankselectorswitchtoMANUALandadjustcontrolrodsasnecessary.
IFTavgisoutsidelimitsANDCANNOTbecontrolled, THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.
NOTE:Athumbruleforinitialboronadditionis-2gal/0loadreduction.
3AddBoricAcidAsNecessary To:oMaintainorreturnaFluxtothetargetbandoMaintaincontrolrodsaboveinsertion limitsoMatchTavgandTrefoCompensate forxenon EOP:P-TURB.5TlTLE:RAPIDLOADREDUCTION REV:lPAGE5ofllSTEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Itispermissible tooperateRCPsforlimitedperiodswithoutsealinjection, providedCCWisbeingsuppliedtothethermalbarriers.
4CheckIAAvailable ToCNMToIApressure->60psigoInstrAirtoCN>lTIsolValve,AOV-5392-OPENControlPRZRlevelandpressureandfollows:IoAdjustloadreduction rateoEnsurecontrolrodsaremovingtocontrolTavgoSecurechargingpumpsifnecessary oOperateproportional andbackupheatersasrequired5MonitorPlantParameters-CONTROLLING ATORTRENDINGTOPROGRAMVALUES~PRZRPressure~PRZRLevel~S/GLevelIFanyparameter isapproaching atripsetpointANDCANNOTbecontrolled, THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.
NOTE:Theloadreduction shouldnotbedelayedtoperformtheremaining steps.6CheckIfCondensate BoosterPumpsShouldBeSecureda.Power<65%ORTrimValveV-9508Gindicates
>80%opena.GotoStep13.b.Placetheautocondensate boosterpumptothetrippositionc.Stoponecondensate boosterpumpd.WHENthecondensate systemstabilizes, THENstoptheremaining condensate boosterpump EOP:'P-TURB.5 I'ITLE:RAPIDLOADREDUCTION REV:1PAGE6of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckIfOneMFWPumpShouldBeSecureda.Power<50%a.GotoStep13.b.VerifyatleastoneMFWPSealBoosterpumpinserviceb.NotifyAOtostartoneMFWPSealBoosterpumpc.TwoMFWPumpsrunningc.GotoStep8.d.Closedischarge valveforthepumptobesecured~MFWPumpA-MOV-3977~MFWPumpB-MOV-3976e.StopthedesiredMFWPumpf.ClosethesecuredMFWpumprecircvalvebyplacingthecontrolswitchinpullstopg.ClosetheservicewaterblockvalvetothesecuredMFWpumpoilcooler~MFWPumpA-V-4701~MFWPumpB-V-47028VerifyTrimValvesControlling Condensate SystemPressureinAuto(300-375PSIG)Placecontroller inmanualandadjustpressureasnecessary EOP:P-TURB.5T,ITLE:RAPIDLOADREDUCTION REV:1PAGE7of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9CheckANSACSystemStatusa.Power<35%(-150psigfirststagepressure) b.VerifyAMSACAutoBlockStatusLightisONa.GotoStep13.b.PlaceAMSACManualBlockswitchtotheBLOCKposition10CheckHeaterDrainTankPumpStatusa.Generator load<175MWeb.StoponeHeaterDrainTankPumpc.WHENHeaterDrainTanklevelcontrolisstable,THENstopthesecondHeaterDrainTankPumpa.GotoStep13.11CheckFWFlowBypassVlvStatusa.Power<30%b.FWFlowBypassVlvsinAUTO~HCV-480~HCV-481a.GotoStep13.b.Performthefollowing:
1)SlowlyopentheFWFlowBypassVlvswhileverifying theassociated FWRegVlvcompensates byclosingslightly2)PlaceFWFlowBypassVlvsinAUTO EOP:P-TURB.5RAPIDLOADREDUCTION REV1PAGE8of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12AlignSystemsForLowPowerOperation a.Power<30%a.GotoStep13.b.PlaceAOU-3959, CNDSTBypassUlvtoCLOSEc.PlaceLC-107,HotwellLevelControl,toMANUALd.Generator load<100MWee.Openturbinedrainvalvesd.GotoStep13.13EvaluatePlantStatusa.Powerstableatdesiredlevela.IFpower)20%andfurtherreduction isrequired, THENcontinueloadreduction andreturntoStep6.IFpower<20%andfurtherreduction isrequired, THENrefertoprocedure 0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN.
EOP:P-TURB.5jITLE:RAPIDLOADREDUCTION REV:1PAGE9of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14Establish StablePlantConditions:
a.Tavg-TRENDINGTOTREFa.Performthefollowing:
1)VerifyAUTOcontrolrodmotionas,required.
IFNOT,THENplacerodcontrolbankselectorswitchtoMANUALandadjustcontrolrodsasnecessary.
2)Borateifrequiredforpowerreduction.
b.PRZRpressure-TRENDINGTO2235PSIGb.Verifyproperoperation ofPRZRheatersandsprayORtakemanualcontrolofPRZRpressurecontroller 431K.IFPRZRpressurecanNOTbecontrolled, THENrefertoAP-PRZR.1, ABNORMALPRESSURIZER PRESSURE.
c.PRZRlevel-TRENDINGTOPROGRAMc.Verifyproperoperation ofchargingpumpspeedcontrollers ORtakemanualcontrolofspeedcontrollers tocontrolPRZRlevel.d.Rodinsertion limitalarmsEXTINGUISHED d.Borateasnecessary andwithdrawcontrolrodstoclearinsertion limitalarms(refertoaffectedrodbankalarmresponseprocedures ifnecessary).
e.NarrowrangeS/GlevelsTRENDINGTOPROGRAMLEVELe.EnsureMFWregulating valvescontrolling inAUTO,ORcontrolfeedwater inMANUAL.
EOP:P-TURB.5TITLE:RAPIDLOADREDUCTION REV'PAGE10of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15Establish NormalPlantConditions:
a.VerifyEHcontrolinOPERPANandIMPINb.Verifysteamdumpcontroller, HC-484,inAUTOat1005psigc.Verifyannunciator G-15,STEAMDUMPARMED-EXTINGUISHED a.IFconditions requiring manualoperation havecleared,THENplaceEHinOPERPANandIMPIN.c.IFTavgwithin6'FofTref,THENperformthefollowing:
1)Ensuresteamdumpvalvesclosed.d.VerifyPRZRpresssure controlinAUTO2)Resetsteamdump.d.PlacePRZRpressurecontrolinAUTOasdesired.~431Kmastercontroller
~PRZRsprayvalvecontrollers
~PRZRheatercontrollers e.VerifyPRZRlevelcontrolinAUTO)e.Placeonechargingpumpspeedcontroller inAUTOifdesired.f.VerifyRodControlSelectorSwitchinAUTOf.PlaceRodControlSelectorSwitchinAUTOifdesired.NOTE:Referto0-9.3,NRCIMMEDIATE NOTIFICATION, forreporting requirements.
16NotifyHigherSupervision FOP:P-TURB.5%1TLE:RAPIDLOADREDUCTION REV1PAGE11of11STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17Referto0-5.1,LOADREDUCTIONS, foradditional "guidance 18ReturnToProcedure OrGuidanceInEffect-END-
I~P EOIa:ATT-9.0TITLE:ATTACHMENT LETDOWNREV:5PAGE1of1Superintendent
.Y~.Inate7A'iA)Thefollowing conditions mustbemettoplaceeithernormalorexcessletdowninservice:oIAtoCNMT-ESTABLISHED QCCW-INSERVICEoPRZRlevel-GREATERTHAN13%B)Establish NormalLetdown:1.Establish charginglineflowtoREGENHx-GREATERTHAN20gpm.2.Placethefollowing switchestoCLOSE:oLetdownorificevalves(AOV-200A, AOV-200B, andAOV-202)oAOV-427,loopBcoldlegtoREGENHx3.Placeletdowncontrollers inMANUALat40%open:oTemperature controlvalve,TCV-130oPressurecontrolvalve,PCV-1354.VerifyAOV-371,letdownisolation valve-OPEN.5.OpenloopBcoldlegtoREGENHx,AOV-427.6.Openone40gpmletdownorificevalve(AOV-200A orAOV-200B).
7.PlaceTCV-130inAUTOat105'F.8.PlacePCV-135inAUTOat250psig.9.AdjustchargingpumpspeedandHCV-142asnecessary tostablizie PRZRlevelandmaintainRCPlabyrinth sealD/P.C)IFnormalletdowncanNOTbeestablished, THENestablish excessletdown:1.PlaceAOV-312toNORMAL.2.EnsureCCWfromexcessletdownHx,(AOV-745)
-OPEN.3.Openexcessletdownisolation valveAOV-310.4.SlowlyopenHCV-123tomaintainexcessletdowntemperature lessthan195'Fandpressurelessthan100psig.15.Adjustchargingpumpspeedasnecessary tostabilize PRZRlevelandmaintainRCPlabyrinth
.sealD/P.
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