ML17212A850

Application to Amend to App a of License DPR-67 Adding Limitations to Address Mode 5 Operation W/Rcs Partially Drained

ML17212A850
Person / Time
Site:	Saint Lucie
Issue date:	09/28/1981
From:	UHRIG R E FLORIDA POWER & LIGHT CO.
To:	EISENHUT D G Office of Nuclear Reactor Regulation
Shared Package
ML17212A851	List: ML17212A850 ML17212A852
References
L-81-425, NUDOCS 8110050207
Download: ML17212A850 (6)

Text

REbL>>LATORYINFORMAT'IONDISTRIBUTIONSYSTEM(RIBS)ACCESSIOH,NBR;8110050207DOCsDATE:81/09/28NOTARI'ZED:NOFACILE:50.-335St"LuciaPlantgUnit1<FloridaPower8L'ightCo.AUTH~,NAME>>AUTHORAFFlLIATIONUHRIGiR,E,F1or>>idaPower((LightCo,RECIP~'>>(A'4(EIRECXPZENTAFFILIIATIONEKSENHUT>>i'~DivisionofLicensingDOCKEIT>>0050.00335SUBJECTIApplicationtoamendApp.AofLticenseDPR"67toaddlimitationstoaddressMode5operationw/RCSpartiallydrained...g>>'3,DISTRIBUTIONCODEINEA091SCOPIESRECEKVED'l('RENCL<SIZEI'TITLE(:.:Gener1Distributionfor>>aftel>>IssuanceofOperating,LicenseNOTES:As'l((/>>BOO.0+RECIPIENTID'ODE/(>>(AME(ACT!ION::ORB>>43BC04INTERNAL>>:D/O'IRgHU>>Y(,FAC08ILE(06"ORASESSBR01ACOPIESLTTREiVCL"131311221011RECIPIENTIDCODE/NAMEDIREO'IVOFLICOELDRADASSTBRCOPIESL>>TTRlENCL)EXTERNAL>>:ACRSNRC>>PORENTIS090+>>1616111LPDRBASIC0305TOllALNU>>>>(BERlQFCOPIESREQUIRED:LTTR41ENCI.39 AWteli1(

rS~IP.O.BOX529100MIAMI,FL331522/kvi44KFLORIDAPOWER&LIGHTCOMPANYSeptember28,1981L-81-425OfficeofNuclearReactorRegulationAttention:Mr.Darrel1G..Eisenhut,DirectorDivisionofLicensingU.S.NuclearRegulatoryCommissionblashington,.D.C.20555

DearMr.Eisenhut:

Re:St.LucieUnit1DocketNo.50-335ProposedLicenseAmendmentShutdownMarginMode5i.~irgeECII'g--,',21S8)a"'~.>c<Mecmroag77COhlhlIggICN(i>-,P1>X.Inaccordancewith10CFR50.30,FloridaPower8LightCompanysubmitsherewiththreesignedoriginalsandfortycopiesofarequesttoamendAppendixAofFacilityOperatingLicenseDPR-67.OnMay14,1980,FloridaPower8LightCompanywasinformedbyitsNSSSvendorthatoperationinMode5(ColdShutdown)withapartiallydrainedReactorCoolantSystem(RCS)hadnotbeenanalyzedfortheborondilutionevent.TheeffectofareducedRCSwatervolumewasashorterpredictedtimetocriticality,andthereforelesstimeforoperatoractiontoterminatethetransient,assumingashutdownmarginoflga,k/katthebeginningoftheevent.TheeventdescriptionandcorrectiveactionsweredescribedinReportableOccurrence335-80-27datedMay21,1980.InaccordancewithrecommendationsfromtheNSSSvendor,plantoperatingprocedureshavebeenrevisedto:increasetheshutdownmarginto>2.0$zk/ktherebyensuringatleast20mi,nutesforoperatoractionbeforecriticality,and2.precludeoperationwithmorethantwochargingpumpswt>entheRCSispartiallydrainedinNode5.RevisionofTechnicalSpecification3.1.1.2toincorporatetheconservativelimitationsdescribedabovewillcompletethecorrectiveactionrequiredtocloseoutReportableOccurrence335-80-27.alTheproposedamendmentisdescribedbelowandshownontheaccompanyingpagesbearingthedateofthisletterinthelowerrighthandcorner./II(+/~e.<:81i0050207810928~PDRADQCK05000335,PDRPyooaoo'EOPLE...SERVINGPEOPLE OfficeofNuclearReactorRegulationPageTwoPae3/41-3AdditionallimitationsareaddedtoSpecification3.1.1.2toaddressMode5(ColdShutdown)operationwiththeReactorCoolantSystempartiallydrained.InformationisaddedtosupporttheMode5changedescribedinSpecification3.1.1.2.ThishasbeendeterminedtoaClassIIIAmendmentinaccordancewith10CFR170.22.Acheckfortheamountof$4,000isenclosed.TheproposedAmendmenthasbeenapprovedbytheSt.LucieFacilityReviewGroupandtheFloridaPower5LightCompanyNuclearReviewBoard.Verytrulyyours,(RobertE.UhrigVice.PresidentAdvancedSystems5TechnologyREU/PLP/rascc:Mr.J.P.O'Reilly,Director,RegionIIHaroldF.Reis,Esquire STATEOPPLOHXDA))COUNTYOPDADE)ssRobertF.Uhribeingfirstdulysworn,deposesandsays:ThatheisVicePresidentLight:Company,theLicenseeherein;ofFloridaPower6ThathehasexecutedtheforegoingdocLuTtent;thatthestate-mentsmadeinthissaiQdocumentaretrueandcorrecttothebestofhisknowledge,information,andbelief,andthatheisauthorizedtoexecutetheQocumentonbehalfofsaidLicensee,'IRobertE.UhrigSubscribedand.sworntobeforemethisday0fr',NOTMY'UBC,inandfortheCountyofDade,SP'ateofPloridatarot.ryPoetic,SlateofProridaatLargeMyCommisionExpiresOctober30,.1983pycomml.ssionexpires-~tttttf~~y~toaft-Aftecy-C~p