ML19241A675

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Responds to IE Bulletin 79-11.Westinghouse Type DB-50 & DB-75 Circuit Breakers Not Used in safety-related or Other Electrical Circuits
ML19241A675
Person / Time
Site: La Crosse File:Dairyland Power Cooperative icon.png
Issue date: 06/05/1979
From: Linder F
DAIRYLAND POWER COOPERATIVE
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
LAC-6329, NUDOCS 7907090274
Download: ML19241A675 (1)


Text

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$4601 June 5, 1979 In reply, please refer to LAC-6329 DOCKET NO. 50-409 Mr. James G.

Keppler Director U.

S.

Nuclear Regulatory Commission Directorate of Regula;ory Operations Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137

SUBJECT:

DAIRYLAND POWEP. COOPERATIVE LA CROSSE BOILING WATER REACTOR (LACBWR)

PROVISIONAL OPERATING LICENSE NO. DPR-45 IE BULLETIN NO. 79 FAULTY OVERCURRENT TRIP DEVICE IN CIRCUIT BREAKERS FOR ENGINEERED SAFETY SYSTEMS

Reference:

NRC Letter, Keppler to Linder, dated May 22, 1979.

Dear Mr. Keppler:

In response to the IE Eulletin No. 79-11, we have determined the following:

1)

Westinghouse Type DB-50 and DB-75 circuit breakers are not used in safety related or other electrical circuits at the La Crosse Boiling Water Reactor.

If there are any questions concerning this response, please contact us.

Very truly yours, DAIRYLAND POWER C,

'RATIVE Frank Linder, General Manager FL:WRN:af 7 111979

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