ML17318A549

Discusses Peaking Factor Limits in Light of Revised ECCS Analysis.Peak Factor Limit Administratively Reduced to Value of 1.99 from 2.11.Forwards Revision to Tech Specs Incorporating Reduced Limits

ML17318A549
Person / Time
Site:	Cook
Issue date:	01/09/1980
From:	DOLAN J E INDIANA MICHIGAN POWER CO.
To:	DENTON H R Office of Nuclear Reactor Regulation
Shared Package
ML17318A550	List: ML17318A549 ML17318A551
References
RTR-NUREG-0630, RTR-NUREG-630 NUDOCS 8001140461
Download: ML17318A549 (7)

Text

REGUI.A1'0 INFORMATION DISTRIBUTION STEM(RIDS)ACCESSION NBR:8001100461 DOC,OATEN'0/01/09 NOTARIZED!

NOFABRIC50316Dona)8C~CookNucl'earPowerPlanti"Onit2g"Indiana8AOTH,NAMEAU1HOAAFFELIATION'OLAAiJ

~EDIndiana8HichiganPowerCo.HECIP,NAME RECIPIENT AFFILIATION DNTONeH~REOfficeofNucTearReactorRegulatian DOCKET05000316

SUBJECT:

Discusses peakingfactorlimitsinlightofrevisedECCSana'lysis,Peak factorlimitadministi ativelyreducedtovalveof1'9fram2.liiForwards revisiontoTechSpecsincorporating reducedlimits,'ISTRIBUTION CODE:A039SCOPIESRECEIVEDeLTR gENCLSIlE:TlfLE:ResptoLessonLearnTaskForceWestinghouse NOES:~Eh'>6C4/SACL0787ZVZ3~<<<<<<<<<<<<<<<<<<<<<<ee~<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

l~~ACTIONINTERNAL; RECIPIENT IOCOOPNAME10BCc3+jg+/I"l.u-20COREPERFBR22HEAC,SFrIP'R24EEB3'LPDAJOLSHINSKI 7JHUADIOA9GIHSRu"-MFIELO8'ELD COPIELTt'HSENCL11111i11i10RECIPlENT lOGIIOE,/NAME 17ILE2NRCPOlk21ENGBR23PLANTSYSBR25EFL'TTAlSYS0NSiC6JKERRIGAN8CWILLISJ,T.TELFORONAND+SONO'REILLYCOPIESLT'TRfACL22iiiiiiiiiiii22ii11EXTERNAL:

26ACRS16gqqQy$woq9'OTALNUMBEROFCOPIESREQUIRED:

LTTR~ENCL6y'

~'~~gtl1EF'N~"krX INDIANAII'MICHIGAN ELECTRICCOMPANYP.O.BOX18BOWLINGGREENSTATIONNEWYORK,N.Y.10004January9,1980AEP:NRC:003228 DonaldC.CookNuclearPlantUnitNo.2DocketNo.50-316LicenseNo.DPR-74

Subject:

PeakingFactorLimitsatUnit2inLightofRevisedECCSAnalysisMr.HaroldR.Denton,DirectorOfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555

DearMr.'Denton:

AsaresultoftherevisedECCSanalysisperformed forDonaldC.CookNuclearPlantUnit2byWestinghouse ElectricCorporation usingtheirFebruary1978evaluation modelandin-.corporating intotheanalysisthepotential impactofthecladbehaviordatapresented indraftNUREG-0630, wehavediscovered thatourcurrentlimitonFqof2;llshouldbereducedtoavalueof1.99.Adiscussion'f thebasisforthischangeisenclosedasAttachment A.Uponthediscovery ofthisreduction weinformedtheNRCstaffandstatedinourletterofJanuary8,1980(AEP:NRC:00322A}

thatwewouldadministratively limittheFqofUnit2to1.99.Further,unti1theNRCstaffapprovestheTechnical Specification changes-discussed below,we,willnotoperateUnit2inanymodeinwhichthenewFqlimitsapply.TheFqlimitaffectsnumerousTechnical Specifications.

InourletterofNovember2,1979(AEP:NRC:00297},

wesubmitted Technical Specification changerequestsrelatedtoFg.limitsalongwiththerequiredlicense:.',amendment fee.Atthattime,ourmoti-vationwastobringtheactualTechnical Specifications inlinewiththeadministrative limitswhichresultedfromthediscovery ofacalculational'error inWestinghouse's October1975evaluation modelandsubsequent issuanceoftheNRCorder.Inlightofthelatest0800>140 a~1'I~gI-a Mr.HaroldR.Denton,DirectorAEP:NRC:003228 eresults,wewishtoupdatetheoutstanding Technical Specification changerequeststoincorporate theFlimitof1.99.Adetaileddescription ofthechangesinvolved3represented inAttachment Btothisletter.Sincethechangerequestsofinteresthavealreadybeenformallyrequested andpaidforasaClassIIILicenseAmendment forUnit2,paymentofadditional feesisdeemedunwarranted.

Verytrulyyours,JED:emJohnE.Dolan.VicePresident cc:R.C.CallenG.CharnoffR.W.Jurgensen R.S.HunterD.V.Shaller-Bridgman Mr.Harold,R.

Denton,Director-3-AEP:NRC:00322B bc:S.J.Milioti/J.

I.Castresana/V.

P.MannoJ.G.DelPercio/K.

J.VehstedtH.L.Sobel/J.J.HeissR.F."Hering/S.

H.Steinhart/J.

A.KobyraR.F.KroegerH.N.Scherer,Jr./S.H.Horowitz/J.

M.Intrabartola E.A.Smarrella/V.

VanderBurg-Bridgman J.F.Stietzel-Bridgman D.Pligginton-NRC CookPlantResidentNRCInspector DC-N-6015.1 DC-N-6665.7 AEP:NRC:00322 AEP:NRC:00322A AEP:NRC:00322B ATTACHMENT ATOAEP:NRC:00322B DONALDC.COOKNUCLEARPLANTUNITNO.2DOCKETNO.SO-316LICENSENO.DPR-74