ML19242D517
| ML19242D517 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities, Zion  |
| Issue date: | 07/12/1979 |
| From: | Reed C COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| IEB-79-11, NUDOCS 7908150349 | |
| Download: ML19242D517 (2) | |
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Commonwealth Edison
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Oge First National Plars, Chicago, Illinois
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Address Reply to: Post Ottice Box 767 Chicago, Illinois 60690 e
July 12, 1979 Mr. James G. Keppler, Director Directorate of Inspection and Enforcement - Region III Nuclear Regulatory Commission
.b noosevelt Road Glen Ellyn, Illinois 60137
Subject:
Dresden Station Units 1, 2 and 3 Quad-Oities Station Units 1 and 2 Zi' at Station Units 1 and 2
'evised Response to IE Bulletin No. 79-11 NRC Docket Nos. 50-10/237/249, 50-254/265 and 50-295/304 References (a) :
May 22, 1979 letter from James G. Kepp Mr to Byron Lee, Jr. transmitting IE Bulletin No. 79-11 (b):
July 2, 1979 letter from C. Reed to J. G.
Keppler transmitting response to IE Bulletin No. 79-11
Dear Mr. Keppler:
Reference (a) transmitted IE Bulletin No. 79-11 regarding " Faulty Overcurrent Trip Device In Circuit Breakers for Engineered Safety Systems."
Reference (b) contained Commonwealth Edison's response to that Bulletin for Dresden, Quad-Cities and Zion Stations.
That response should be revised to read:
1.
Westinghouse DB-50 and DB-75 circuit breakers are not used in safety-related systems nor stored as spares at Dresden and Quad-Cities Station.
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Commonwealth Edison NRC Docket Nos. 50-10/237/249 50-254/265 50-295/304 Mr. James G. Keppler: July 12, 1979 2.
Westinghouse DB-50 and DB-75 circuit breakers with overcurrent trip devices are not used in safety-re!
.',:d systems nor stored as sparea at Zion Station.
Please address any additional questions regarding this matter to this office.
Very truly yours, b.}
-e-Cordell Reed Assistant Vice-President b30302