ML17223A593

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Forwards Status of 10CFR50.62, Requirements for Reduction of Risk from ATWS Mods at Plant as of 900315.Diverse Scram Sys Module Prototype Fabrication in Progress
ML17223A593
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 03/30/1990
From: SAGER D A
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-90-120, NUDOCS 9004100197
Download: ML17223A593 (5)


Text

ACCELERATED DIRBUTION DEMONSTION SYSTElVI*PREGULATORY INFORMATION DISTRIBUTION SYSTEM'(RIDS)ACCESSION NBR:9004100197 DOC.DATE:

90/03/30NOTARIZED:

NOFACIL:50-335 St.LuciePlant,Unit1,FloridaPower6Light,Co.50-389St.LuciePlant,Unit2,FloridaPower'LightCo.AUTH.NAMEAUTHORAFFILIATION SAGER,D.A.

FloridaPower6LightCo.RECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)

SUBJECT:

Forwardsstatusof10CFR50.62, "Requirements forReduction ofRiskFromATWS"modsatplantasof900315.DISTRIBUTION CODE:A055DCOPIESRECEIVED:LTR

.ENCLSIZE:TITLE:OR/Licensing Submittal SalemATWSEventsGL-.83-28 NOTES'OCKET 0500033505000389RECIPIENT IDCODE/NAME PD2-2LANORRIS,JINTERNAL:

ACRSNRR/DLPQ/LPEB10 NRR/DST/SICB 7ENUDOCS-ABSTRACT OGC/HDS2RES/DSIR/EIB EXTERNALLPDRNSICCOPIESLTTRENCL1011661011111011.1111RECIPIENT IDCODE/NAME PD2-2PDNRR/DEST/ESB 8DNRR/DOEA/OGCB11 NRR/DST/SPLB 8DOC/LFM8~ILE0NRCPDRCOPIESLTTRENCL331110101011NOTETOALL"RIDS"RECIPIENTS:

PLEASEHELPUSTOREDUCEWASTEtCONTACTTHE.DOCUMENTCONTROLDESK,ROOMP1-37(EXT.20079)TOELIMINATE YOURNAMEFROMDISTRIBUTION LISTSFORDOCUMENTS YOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:

LTTR24ENCL18 s'>rcPjI4J"41l P.O.Box14000,JunoBeach,FL33408-0420 MARCH301990L-90-12010CFR50.62U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Gentlemen:

Re:St.LucieUnitNos.1and2DocketNos.50-335and50-389AnticiatedTransients WithoutScramOnMarch1,1989,FloridaPower&LightCompany(FPL)metwiththeNRCtodiscusstheconceptual designoftheSt.LucieUnits1and2plantmodifications tomeet10CFR50.62,>>Requirements forreduction ofriskfromanticipated transients withoutscram(ATWS)eventsforlight-water-cooled nuclearpowerplants."Inthatmeeting,theStaffrequested bi-monthly updatesonthemodifications implementation status.Attachedisthestatusofthe10CFR50.62modifications atSt.LucieUnits1and2asofMarch15,1990.Shouldtherebeanyquestions, pleasecontactus.Verytrulyyours,D.A.SaVicePSt.LuridentPlantDAS/EJW/gp Attachment cc:StewartD.Ebneter,RegionalAdministrator, RegionII,USNRCSeniorResidentInspector, USNRC,St.LuciePlant9004iOOi97 900330PDRADOCK0~<000335

'RPDCanFPLGroupcompany w~t*a$~fATTACHMENT 10CFR50'2IMPLEMENTATION STATUSASOFMARCH15'990STLUCIEUNITS1AND2Thestatusofengineering activities forimplementation of10CFR50.62is:Unit22~Theengineering designoftheEngineered SafetyFeaturesActuation System(ESFAS)andAuxiliary Feedwater Actuation System(AFAS)portionoftheATWSmodification iscontinuing andisapproximately 50%complete.

Thestatusofprocurement activities forimplementation of10CFR50.62is:Consolidated ControlsCorporation (CCC):Unit2Moduleengineering fortheESFAScabinetportionoftheDiverseScramSystem(DSS)iscomplete.

TheDSSmoduleprototype fabrication isinprogressandprototype testingisscheduled formid-April.

Combustion Engineering (CE):Unit2TheAFASMatrixRelayprintedcircuitboardsfortheAFASareintheengineering phase.TheQualification

Analysis, drawingandtechnical manualrevisions aredueinmid-May.OtherProcurement:

Unit23~Theloadcontactors havebeenreceivedonsite.Installation ofATWSmodifications atSt.LucieUnit1iscompleted.

Finalsystemtestwillbeconducted priortothecompletion ofthecurrentrefueling outage.Modifications areonscheduleforATWSmodifications implementation atSt.LucieUnit2duringtheupcomingcalendaryear1990refueling outage.

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