ML17328A749

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Rev 0 to Unit 1 Core Operating Limits Rept.
ML17328A749
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 09/30/1990
From:
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17328A748 List:
References
NUDOCS 9011010319
Download: ML17328A749 (15)


Text

UNIT1COREOPERATING LIMITSREPORT9022020329 p02029PDRADOCK05000325PPNU

~'DONALDC.COOKNCULEARPLANTUNIT1CYCLE11COREOPERATING LIMITSREPORTRevision0September',

1990 COLRforDONALDC.COOKNUCLEARPLANTUNIT1CYCLEll1.0COREOPERATING LIMITSREPORTThisCoreOperating LimitsReportforDonaldC.CookNuclearPlantUnit1Cycle11hasbeenpreparedinaccordance withtherequirements ofTechnical Specification 6.9.1.11.

TheTechnical Specifications affectedbythisreportarelistedbelow:3/4.1.1.4 3/4.1.3.1 3/4.1.3.3 3/4.1.3.4 3/4.1.3.5 3/4.2.13/4.2.23/4.2.33/4.2.6Moderator Temperature Coefficient MovableControlAssemblies GroupHeightRodDropTimeShutdownRodInsertion LimitsControlRodInsertion LimitsAxialFluxDifference HeatFluxHotChannelFactorNuclearEnthalpyHotChannelFactorAllowable PowerLevelPage1of11 COLRforDonaldC:CookNuclearPlantUnit1Cycle112.0OPERATING LIMITSThecyle-specific parameter limitsforthespecifications listedinSection1.0arepresented inthefollowing subsections.

Theselimitshavebeendeveloped usingtheNRC-approved methodologies specified inTechnical Specification 6.9.1.11.

2'Moderator TemeratureCoefficient (Specification 3/4.1.1.4)2.1.1TheModerator Temperature Coefficient (MTC)Limitsare:TheBOL/ARO-MTCshallbelesspositivethanthevaluegiveninFigure1.TheEOL/ARO/RTP-MTC shallbelessnegativethan-3.35E-46k/k/F.ThislimitisbasedonaTprogramwithHFPTof550Favgavgwhere:AROstandsforAllRodsOutBOLstandsforBeginning ofCycleLifeEOLstandsforEndofCycleLifeRTPstandsforRatedThermalPowerHFPstandsforHotFullThermalPower2.1.2TheMTCSurveillance limitis:The300ppm/ARO/RTP-MTC shouldbelessnegativethanorequalto-2.75E-4hk/k/'Fatavesselaveragetemperature of550F.Page2of11 COLRforDonaldC.CookNuclearPlantUnit1Cycle112.2RodDroTimeDroHeiht(Specification 3/4.1.3.3) 2.2.1Allrodsshallbedroppedfrom228steps.2.3ShutdownRodInsertion Limit(Specification 3/4.1.3.4) 2.3.1Theshutdownrodsshallbewithdrawn to228steps.2.4ControlRodInsertion Limits(Specification 3/4.1.3.5, and3/4.1.3.1) 2.4.1Thecontrolbanksshallbelimitedinphysicalinsertion asshowninFigure2.2.4.2Successive ControlBanksshalloverlapby100steps.ThesequenceforControlBankwithdrawal shallbeControlBankA,ControlBankB,ControlBankC,andControlBankD.2.5AxialFluxDifference (Specification 3/4.2.1)2.5.1TheAllowable Operation LimitsareprovidedinFigure3.l2.5.2TheAXIALFLUXDIFFERENCE (AFD)targetbandduringbaseloadoperations is+3%,-3%(notapplicable forthiscycle).2.5.3TheAFDtargetbandis+5%,-5%forcoreaverageaccumulated burnup>0.0MUD/MTUPage3of11 COLRforDonaldC.CookNuclearPlantUnitICycle112.6HeatFluxHotChannelFactor-F(Z)(Specifications 3.2.2)CFQF(Z)<---*K(Z)QPforP)0.5F(Z)<2*CFQ*K(Z)forP<0.5THERMALPOWERwhere:PRATEDTHERMALPOWER2.6.1CFQ-2.15forWestinghouse fuel2.6.2K(Z)isprovidedinFigure4forWestinghouse fuelPage4ofll COLRforDonaldC.CookNuclearPlantUnit1Cycle112.7NuclearEnthalHotChannelFactor-F(Specification 3/4.2.3)F<CFDH*(1+PFDH*(1-P))THERMALPOWERwhere:PRATEDTHERMALPOWERCFDH-1.49forWestinghouse fuel2.7.2PFDH-0.3Page5of11 COLRforDonaldC.CookNuclearPlantUnit1Cycle112.8Allowable Po~erLevel-APL(Specification 3.2.6)APL-minoverZforCFQ*K(Z)F(Z)*V(Z)*F2.8.1V(Z)isprovidedinTable1for+5%AFDtargetband2.8.2CFQandK(Z)isprovidedinCOLRSection2.6.12.8.3FpisprovidedinTechnical Specification 3.2.6Page6of11 Moderator Temperature Coefficient (MTC)MTCx10hkjk/dog.F1.000.50UnaceptablOpertion0.00-0.50-1;00-1.50AccptabloOperaon-2.00-2.50-3.0001020304050607080PERCENTRATEDTHERMALPOSERS0100

~OUI.L,<WITH228DNAWN)(0.55,228) 200'BANKC'i'"4~~I1.0182).:-X01500LQJI1000I440lC50.(0,128)~'~~~SANK0~~0~~~~,=-,,(oo),:0.00.20.4o.e0.81.0(FULLYIN0illTID)FRACTlONOFRATEDTHFRMALPOWERFIGURE2RODINSERTION LIMITSVERSUS'ZFXRMALPOWER4LOOPOPERATION Page8of1]

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