ML19330A614

Deficiency Rept Re Intermittent Contact Operation of W-2 Switch.Util Will Not Implement Interim Fix Unless No Permanent Solution Is Available Prior to Fuel Load.Util Will Monitor Westinghouse Recommendations

ML19330A614
Person / Time
Site:	Byron, Braidwood
Issue date:	07/23/1980
From:	Naughton W COMMONWEALTH EDISON CO.
To:
References
NUDOCS 8007280670
Download: ML19330A614 (2)

Text

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Os+ Comm:nw0cith Edison

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,1 Q) Ons First Narcnal Pan. C%ca:;o. mincis Qvf,3 Accress Repy :o: Fost 0:hce Box 767 wg/ Chicago. Ilkno's 60630 4

July 23, 1980 J

Mr. James G. Keppler, Director Directorate of Inspection and Enforcement - Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Subject:

Byron Station Units 1 and 2 Braidwooo Station Units 1 and 2 .

Intermittent Contact Operation of Type W-2 Switch NRC Docket Nos. 50-454, 50-455, 50-456, and 50-457 Reference (a): June 18, 1980 letter (NS-TMA-2264) from T. M. Anderson to V. Stello, Jr.

Den: Mr. Keppler:

On June 23, 1980 Commonwealth Edison Company reported by phone to NRC Region III headquarters that the item reported in Reference (a) was applicable to the Byron and Braidwood Stations and was a 10 CFR 50.55(e) reportable item. The following report resolves that item and also fulfills the reporting requirements under the Regulation.

In Reference (a), Westinghuuse recommended a wiring change as an interim solution to this proolem. Byron and Braidwood Stations are not going to implement this interim fix unless no permanent solution is available prior to fuel load. Commonwealth Edison will continue to monitor Westinghouse's ef forts in this

regard ano will implement a permanent change as necessary upon review of Westinghouse's recommendations. For your informatino, the current Byron and Braiowooo fuel load cates are:

a) Byron Unit 1 - April 1983 b) Byron Unit 2 - April 1984 c) Braidwood Unit 1 - April 1985 d) Braidwood Unit 2'- April 1986 M

/ c) 80 07280670

Comm:nw alth Edis:n Mr. James G. Keppler, Director July 23, 1980

.Page 2 Please address any questions that you might have regarding this matter to this office.

Very truly yours, fc f.gN < . A William F. Naughtore Nuclear Licensing Administrator Pressurized Water Reactors cc: Director of Inspection and Enforcement i

5436A i

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