ML18082B264

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Responds to IE Bulletin 80-20.Three Westinghouse Type W-2 Central Switches Are Used for Each Unit,However,Neutral Switch Contacts Are Not Used
ML18082B264
Person / Time
Site: Salem  PSEG icon.png
Issue date: 09/05/1980
From: Schneider F
Public Service Enterprise Group
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
IEB-80-20, NUDOCS 8010010826
Download: ML18082B264 (1)


Text

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Frederick W. Schneider Public Service Electric and Gas Company 80 Park Place Newark, N.J. 07101 201/430-7373 Vice President Production September 5, 1980 Mr. Boyce H. Grier, Director.

Off ice of Inspection and Enforcement U.S. Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

NRC IE BULLETIN NO. 80-20 FAILURES OF WESTINGHOUSE TYPE W-2 SPRING RETURN TO NEUTRAL CONTROL SWITCHES SALEM GENERATING STATION UNITS NO. 1 AND~

DOCKET NOS.~~ND 50-311 In accordance with the requirements of IE Bulletin No. 80-20 a review of the Salem safety related systems indicates that there are three Westinghouse W-2 switches used for each unit. Their function is to provide local trip-close operation of the 4KV output breaker for each of the three diesel generators. The bulletin's specific concern is with the neutral switch contacts.

For the diesel breaker application the contacts in the neutral

. , position are not used and no additional. action is required

  • Approximately ninety-two (92) manhours were expended on this
) bulletin's review.

If you have any further questions, we will be pleased to discuss them with you.

Sincerely, cc U.S. Nuclear Regulatory Cormnission Office of Inspection and Enforcement Division of Reactor Operations Inspection Washington, DC 20555