ML19241C185
| ML19241C185 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 06/08/1979 |
| From: | Lundvall A BALTIMORE GAS & ELECTRIC CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 7907300091 | |
| Download: ML19241C185 (1) | |
Text
N 1
B ALTIMORE G AS AND ELECTRIC C OMPANY P O. BOX 1475 D A LTIV O R E.
MARYLAND 212O3
' A T H u n E t U N DV A LL, J R uc r~,et, s..
June 8, 1979 Office of Inspection and Enforcement Docket No. 50-317 U.S. Nuclear Regulatury Commission 50-318 Reaion I 63i Park Avenue King of Prussia, Pennsylvania 19406 Attention:
Mr. Boyce H. Grier, Director Gentlemen:
This letter is in reference to I.E.Bulletin 79-11, Faulty Overcurrent Trip Device in Circuit Breakers for Engineerirg Safety Systems.
Investigation of all Westinghouse breaker equipment presently in use at Calvert Cliffs revealed that the DB-50 and 08-75 breakers are not in use at this facility.
Our present Preventive ifaintenarce Program provides for checking all safety-related circuit t.reakers, on a refueling outage frequency, to confinn overcurrent time delay protection.
Should you have further questions regarding this matter, we would be pleased to discuss them with you.
Very trul yours)
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A. E. Lu!dva}l, Jr.
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Vice President - Supply AEL/RDH/dds Copies To:
J. A. Biddison, Esquire G. F. Trowbridge, Esquire E. L. Conner, Jr., NRC J. W. Brothers, Bechtel Office of Inspection and Enforcement U.S. Nuclear Regulatory Cormission l
Washington, D.C.
20555 Attention:
Director, Division of Reactor
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Construct:,cn inspection 1907399