ML17174B028

Requests That Written Notification of Any Schedular Changes Re Operability Determination & Commitments Concerning Plant 250 Volt Dc Battery Sys Be Provided at Conclusion of Implementation of All Mods

ML17174B028
Person / Time
Site:	Dresden
Issue date:	12/04/1991
From:	Siegel B Office of Nuclear Reactor Regulation
To:	Kovach T COMMONWEALTH EDISON CO.
References
TAC-M81917, NUDOCS 9112120273
Download: ML17174B028 (3)

Text

'Docket Nos. 50-237 and 50-249 Mr. Thomas J. Kovach Nuclear Licensing Manager December 4, Commonwealth Edison Company - Suite 300 OPUS West II I 1400 OPUS Drive Downers Grove, Illinois 60515

SUBJECT:

OPERABILITY DETERMINATION AND COMMITMENTS ASSOCIATED WITH DRESDEN STATION 250V DC BATTERY SYSTEM (TAC M81917)

Your letter of November 15, 1991, presented the most recent 250V DC battery load profile, an operability determination, and commitments associated with upgrading the 250V DC battery system.

The staff'has reviewed the-information contained in this letter and has no objection to your proceeding as described.

Implementation *of all the commitments identified in Attachment B to the November 15, 1-991, letter should result in a significa,nt increase "in the reliability and reserve capacity of the 250V DC battery.systefl}s at Dresden Station. It is requested that_ you provide written notification of' any

• schedular changes associated with these commitments and when all the modifications have be.en fully implemented.

cc: See next page DISTRIBUTION Docket File Local PDR J. Zwolinski C. *Moore OGC 15-B-18 F. Rosa 7-E-4 PDII I-2 r/f B. Clayton RIII

• See revious concurrence Sincerely,...

Original Signed By:

Byron L.. Siegel, Project Manager* *. *..

Project Ditectorate III~2 * **

~

Division of R~a~tor Projecti III/iV/~

Office of 'Nuclear Reactor Regulation_:

NRC PDR B. Boger

. R. Barrett B. Siegel E. Jordan MNBB-3701 ACRS (10)

P-315 Dresden Plant file i1kt/

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• See OFC NAME DATE Docket Nos~ 50-237 and 50-249 Mr. Thomas J. Kovach Nuclear Licensing Manager Commonwealth Edison Company - Suite 300 OPUS West I II 1400 OPUS Drive Downers Grove, Illinois 60515

SUBJECT:

OPERABILITY DETERMINATION AND COMMITMENTS ASSOCIATED WITH DRESDEN STATION 250V DC BATTERY SYSTEM (TAC M81917)

Your letter of November 15, 1991, presented the most recent 250V DC battery load profile, an operability determination, and commitments associated with upgrading the 250V DC battery system.

The staff has reviewed the information contained in this letter and has no objection to your proceeding as described.

Implementation of all the commitments identified in Attachment B to the November 15, 1991, letter should result in a significant increase in the reliability and reserve capacity of the 250V DC battery systems at Dresden Station. It is requested that you provide written notification of any schedular changes associated with these commitments and when all the modifications have been fully implemented.

cc: See next page DISTRIBUTION Docket File Local PDR J. Zwolinski C. Moore

• OGC 15-B-18 F. Rosa 7-E-4 PDIIJ;.2 r/f B. Clayton Riii revious concurrence

LA:PDIII-2

PM:PDIII-

CMoore

BSiegel:sw

I

/91

I /91 c

Document Name:

KOVACH M81917 Sincerely, Original Signed By:

Byron L. Siegel, Project Manager

• Project Directorate 111-2 Division of Reactor Projects 111/IV/V Office of Nuclear Reactor Regulation

. URC PDR B. Boger R. Barrett B. Siegel E. Jordan MNBB-3701 ACRS (10)

P-315 Dresden Plant File

SELB*

FRosa:RL for:

12/03/91

, :D:PDIII-2 f*ir: RBarrett

17./ 11 /91

• I Mr. Thomas J. Kovach Comnonwealth Edison Company cc:

Michael 1.* Miller, Esq.

Sidley and Austin

• One First National Plaza Chicago, Illinois 60690 Mr. J. Eenigenburg Plant Superintendent Dresden Nuclear Power Station Rural Route #1 Morris, Illinois 60450 U. S. Nuclear Regulatory Conunission Resident Inspectors Office Dresden Station Rural Route #1 Morris, Illinois 60450

• chairman Board of Supervisors of Grundy County Grundy County Courthouse Morris~ Illinois 60450 Regional Administrator Nuclear Regulatory Commission, Region III 799 Roosevelt Road, Bldg. #4 Glen Ellyn,. Illinois 60137 Illinois Department of Nuclear Safety Office of Nuclear Facility Safety 1035 Outer Park Drive Springfield, Illinois 62704 Robert Neumann Office of Public Counsel State of Illinois Center 100 W. Randolph Suite 11-300 Chicago, Illinois 60601 Dresden Nuclear Power Station Unit Nos. 2 and 3