ML17223A674

Forwards Info Re Status of 10CFR50.62 Mods to Meet ATWS Requirements as of 900515.Plant Change/Mod Package Necessary for Installing ATWS Will Be Issued by 900630.Hardware Procurement for Diverse Scram Sys Approx 90% Complete

ML17223A674
Person / Time
Site:	Saint Lucie
Issue date:	05/22/1990
From:	SAGER D A FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-90-190, NUDOCS 9005310055
Download: ML17223A674 (3)

Text

ACCELERATED D TBXBUTION DEMONS TION SYSTEM d fs REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9005310055 DOC.DATE: 90/05/22 NOTARIZED:

NO FACIL:50-335 St.Lucie Plant, Unit 1, Florida Power 6 Light Co.50-389 St.Lucie Plant, Unit 2, Florida Power&Light Co.AUTH.NAME AUTHOR AFFILIATION SAGER,D.A.

Florida Power 6 Light Co.RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Provides 10CFR50.62 implementation status as of 900515.DISTRIBUTION CODE: A055D COPIES RECEIVED:LTR g ENCL SIZE: TITLE: OR/Licensing Submittal:

Salem ATWS Events GL-83-8 NOTES: DOCKET 05000335 05000389 RECIPIENT ID CODE/NAME PD2-2 LA NORRIS,J INTERNAL: ACRS NRR/DLPQ/LPEB10 NRR/DST/SICB 7E OC/LFMB E EXTERNAL: LPDR NSIC COPIES LTTR ENCL 1 0 1 1 6 6 1 0 1 1 1 0 1 1 1 1 1 1 RECIPIENT ID CODE/NAME PD2-2 PD NRR/DEST/ESB 8D NRR/DOEA/OGCB11 NRR/DST/SPLB 8D OGC/HDS2 RES/DSIR/EIB NRC PDR COPIES LTTR ENCL 3 3 1.1 1 0 1 0 1 0 1 1 1 1 NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE!CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT.20079)TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!TOTAL NUMBER OF COPIES REQUIRED: LTTR 23 ENCL 17 P.O.Box14000, Juno Beach, FL 33408-0420 Mm 22 19SO L-90-190 10 CFR 50.62 U.S.Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C.20555 Gentlemen:

Re: St.Lucie Unit Nos.1 and 2 Docket Nos.50-335 and 50-389 Antici ated Transients Without Scram On March 1, 1989, Florida Power 6 Light Company (FPL)met with the NRC to discuss the conceptual design of the St.'Lucie Units 1 and 2 plant modifications to meet 10 CFR 50.62,>>Requirements for reduction of risk from anticipated transients without scram (ATWS)events for light-water-cooled nuclear power plants." In that meeting, the Staff requested bi-monthly updates on the modifications implementation status.Attached is the status of the 10 CFR 50.62 modifications at St.Lucie Units 1 and 2 as of May 15, 1990.Should there be any questions, please contact us.Very truly yours, D.A.Sa Vice Pr s'nt St.Lucie Plant DAS/E JW/gp Attachment cc: Stewart D.Ebneter, Regional Administrator, Region II, USNRC Senior Resident Inspector, USNRC, St.Lucie Plant 900531005m 900~2 PDR ADOCK 05000335 PDC an FPL Group company gc5$lpga ATTACHMENT 10 CFR 50'2 IMPLEMENTATION STATUS AS OF MAY 15'990 ST LUCIE UNITS 1 AND 2 The status of engineering activities for implementation of 10 CFR 50.62 is: Unit 2 2.The engineering design of the modules and modifications necessary for the Engineered Safety Features Actuation System (ESFAS)and Auxiliary Feedwater Actuation System (AFAS)portion of the ATWS system is complete.The Plant Change/Modification package necessary for installing the ATWS system is on schedule for issuance by June 30, 1990.The status of procurement activities for implementation of 10 CFR 50.62 is: Eaton-Consolidated Controls (ECC): Unit 2 The Diverse Scram System (DSS)module prototype fabrication is completed.

On-, site prototype testing is scheduled for late May 1990.Hardware procurement is approximately 90~complete with module fabrication scheduled to begin June 1, 1990.Combustion Engineering (CE): Unit 2 Fabrication has begun on the AFAS Matrix Relay printed circuit boards.3~Installation and final system testing of ATWS modifications at St.Lucie Unit 1 have been successfully completed.

FPL considers the St.Lucie Unit 1 ATWS system to be operational.

Modifications are on schedule for ATWS implementation at St.Lucie Unit 2 during the upcoming calendar year 1990 refueling outage.