ML17202U883

Advises That Responses to NRC Bulletin 88-010, Molded-Case Circuit Breakers, Acceptable

ML17202U883
Person / Time
Site:	Dresden
Issue date:	11/28/1990
From:	Siegel B Office of Nuclear Reactor Regulation
To:	Kovach T COMMONWEALTH EDISON CO.
References
IEB-88-010, IEB-88-10, TAC-71290, TAC-71291, NUDOCS 9012050238
Download: ML17202U883 (2)

Text

9.**

Docl<et Nos. 50-237 and 50-249

• Mr. Thomas J. Kovach Nuclear Licensing.Manager*

Commonwea 1th Edi son Company-Suite 300 OPUS West II I l400 OPUS Place Downers Grove, Illinois 60515 D~ar Mr. Kovach:*

November 28, 1990 e

SUBJECT:

RESPONSE TO BULLETIN 88-10; NONCOMFORMING MOLDED-CASE CIRCUIT BREAKERS, DRESDEN~ UNITS 2 AND 3 (TAC NOS. 71290 AND 71291)

On November.22, 1988, the NRC staff issued Bulletin 88-10, "Nonconforming.

Molded-Case Circuit Breakers,"* requesting certain actions to be taken in*

regard to mold.ed:-case circuit b_reakers (MCCB) used in safety-related applications *. The Bulletin.requested that, by April 1, 1989, licensees provide a written.response confirming that actions *~equested by the Bulletin had. been taken, summarizing the results of those a_ctions and if not completed, a schedule for completion.

By letters dated Aprii 4, 1989, *July 7, 1989, November 11, 1989, and August -15,

• 1990, you responded* to Bulletin88-10. The NRC staff has completed a review*

• of your responses and* find the actions taken by you.to be-.in conformance with the*

Bulletin.request:~ *No further action is required at. this time.

This fulfills*

. your.re.quirement i.n responding: to.Bulletin 88-10

• As discussed in Bulletin 88-10,_y6u should maintain the d6cumentation associated with this'.Bulletin for at least five years since tl)ese records.may b~ subject to future in~~ection~.

co:, See next page Sincerely,

• Original Signe.d By:..

Byron L *. Siegel, Project Manager:

~roject Directorate III-2 Division of Reacto~ Projects III/IV/V Office of Nuclear.Reactor Regulation, NRC.& Loca.l PDRs

.BBoger, MS 14E4 CMoore

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Mr. Thomas J. Kovach Commonwealth Edison Company cc:

Michael I. 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, Illinoi~. 60450 U. S. Nuclear Regulatory Commission Resident Inspectors Off ice Dresden Station Rural Route ff1 Morris, Illinois 60450 Chairman Board of Supervisors of

• Grundy County Grundy County Courthouse Morris, Illinois 60450 RegiDnal Administratot Nuclear* Regulatory Commission, Region III 799 Roos~velt Ro~d, 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 Pub1tc Counsel State of Illinois Center 100 W. Randolph Suite 11-300.

Chicago, Illinois 60601 Dresden Nuclear Power Station Unit Nos. 2 and 3