ML19242B535
| ML19242B535 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 07/06/1979 |
| From: | Counsil W NORTHEAST UTILITIES |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 7908080677 | |
| Download: ML19242B535 (1) | |
Text
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July 6, 1979 Docket No. 50-336 Mr. Boyce H.
Grier Director, Region I Of fice of Inspection and Enforcenent U.
S.
Nuclear Regulatory Commission King of Prussia, Pennsylvania 19496
Reference:
(1) Boyce Grier letter to W.
G.
Counsil dated May 22, 1979, forwarding I & E Bulletin 79-11.
Gentlemen:
~
Millstone Nuc1 ear Power Ltation, Unit No. 2 Faulty Overcurrent Trip 1;cvice In Circuit Breakers For Engineered Safety Systems In reference (1), Northeast Nuclear Energy Company (NNECo) was requested to determine whether Westinghouse type DB "O and DB-75 circuit breakers with overcurrent trip devices are in safety related class IE service or in spares at this facility.
In response to Item 1 of the bulletir. Westingli use type DB-50 ana DB-75 circuit breakers are not used in safety related class IE service at this facility.
Additionally, there are no Westinghouse type DB-50 and DB-75 circuit breakers in spares or intended for use in safety related class lE service at Millstone Unit 2.
Very truly yours, NORTIIEAST NUCLEAR ENBRGY COMPANY
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