ML17213B306

From kanterella
Revision as of 18:15, 18 May 2018 by StriderTol (talk | contribs) (Created page by program invented by StriderTol)
Jump to navigation Jump to search
Advises That First Reactor Vessel Matl Irradiation Surveillance Specimen Will Be Removed in Conjunction W/ Current Extended Outage to Remove Reactor Vessel Thermal Shield,Tentatively Scheduled for Completion in Dec 1984
ML17213B306
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 04/25/1983
From: UHRIG R E
FLORIDA POWER & LIGHT CO.
To: CLARK R A
Office of Nuclear Reactor Regulation
References
L-83-257, NUDOCS 8304280075
Download: ML17213B306 (6)


Text

C~'EGULAYINFORMATIONDISTRIBUTIG'YSTEM(RIDS)AOCESSIONNBR:8304280075DOCSEDATE:83/04/25NOTARIZED:NOFACIL:50-335St,LuciePlantgUniiti~FloridaPowerKLightCo>AUTH~NAMEAUTHORAFFILIATIONUHRIGiR,E,FloridaPower8LightCo~.RECIP~NAMERECIPIENTAFFILIATIONCLARKgR~ADOperatingReactorsBranch3

SUBJECT:

Advisesthatfirstreactorvesselmatlirradiationsurveillancespecimenwillberemovedinconjunctionw/currentextendedoutage,toremovereactorvessel'hermalshielditentativelyscheduledforcompletioninDec1984'ISTRIBUTIONCODE:A001SCOPIESRECEIVED:LTR3ENCL.$SIZE:.TITLE:ORSubmittal;GeneralDistributionNOTES:DOCKET05000335RECIPIENTIDCODE/NAMENRRORB3BC01COPIESf.TTRENCL77RECIPIENTIDCODE/NAMECOPIESLT'TRENCLINTERNALSELD/HDS2NRR/DLDIRNRR/DETBEXTERNAL:ACRSNRCPDRNTIS040902101111116<<61111NRR/DE/MTEBNRR/DL/DRABNRR/DSI/RAGRGN2LPDRNSIC030511101111111'TOTALNUMBEROFCOPIESREQUIRED'TTR25ENCL23 0WWI(IIII>>Ii'Ii'Ihrlt'I~'3IXIIIihr'wi)'IIWh'rIIII(IIIl'i]fII,Ilr'll'If,II,IIIIi17ll,ilrhe'!iWf0Jg")IIII1r'WII!I"IIgIIIIII,ikr)II,'frIr(JI'l>>IISi('r)IIiaf'Ih't>>hr'II'hriIIIIIw(III>>h!IfII>>IlII(Ii,Ii<'lfII,(,&I'I)'IIIIIIirrri.l',I(.(rhlIII(4VillwifIIITfrwwm~=WeeWae(re~OI.IIlr)f",IIIIIIhf'hT!IIl1(IfIIf('IIILIl(t~<TTilIfjlIIIIij'II~'.rIIIII(IllWII'"IJNliI!'Wh'irir'fikII'I)1tII'I(IlI,q)rlI,iIIII'iltr(,rII FLORIDAPOWER&LIGHTCOMPANYApril25,1983L-83-257OfficeofNuclearReactorRegulationAttention:Mr.RobertA.Clark,ChiefOperatingReactorsBranchg3DivisionofLicensingU.S.NuclearRegulatoryCcmmissionWashington,D.C.20555

DearMr.Clark:

Re:St..LucieUnit1DocketNo.50-335ReactorVesselSurveillanceSpecimenInconjunctionwiththecurrentextendedoutagetoremovethereactorvesselthermalshield,wehavedecidedtorenovethefirstreactorvesselmaterialirradiationsurveillancespecimenfranSt.LucieUnit1.Thisremovalis,inourjudgment,inaccordancewiththeSt.LucieUnit1TechnicalSpecificationsandAppendixHto10CFR50.TechnicalSpecification4.4.9.1.crequiresthatthefirstspecimenberemovedaftereightcalendaryears.AstheoperatinglicenseforSt.LucieUnit1wasissuedonMarch1,1976,thespecimenisduetoberemovedonMarch1,1984,orapproximatelysevenandahalfmonthsfromtheanticipatedendofthecurrentrefuelingoutage.Thefollowingrefuelingoutageistentativelyscheduledtobefinishedaroundtheendof'ecember1984.Thiswouldbeapproximatelytenmonthspasttheeight-yeardate.Thisfutureoutagemaybeslippedfurtherdependingoncyclelengthadjustmentsandtheoverhaulschedulesofotherunits.SectionII.eof10CFR50AppendixH,allowsmodificationofwithdrawalschedulestocoincidewiththerefuelingoutagemostcloselyapproachingthewithdrawalschedule.Becausetheendofthecurrentoutagemostcloselyapproachesthewithdrawalschedule,wewillremovethespecimenduringthisoutage.OurNSSSvendorconcurswiththisaction.RemovingthespecimenduringtheoutagewillallowustoevaluatethespecimentodetermineamaterialirradiationbaselineforoperationofSt.LucieUnit1withoutthethermalshield.Wearealsoplanningtoreplacethespecimenwithtemperatureanddosimetryinstrumentstoobtainfluencedataduringtheupcaningcycle.T8304280075830425I1PDRADOCK05000335PPDR,IiPEOPLESERVINGPEOPLE 4.We7E

,OfficeofNucleReactorRegulationAttention:Mr.RobertA.ClarkPage2Shouldyouoryourstaffhaveanyquestionsonthissubject,pleasecontactus.Verytrulyyours,RoberE.UhrigVicePresidentAdvancedSystem5TechnologyREU/PLP/jsAttachmentscc:Mr.JamesP.O'Reilly,RegionIIHaroldF.Reis,Esquire 4I'L