ML19343A453

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Responds to IE Bulletin 80-20 Re Failures of Westinghouse Type W-2 Spring Return to Neutral Control Switches. Identified Switches Are Not Used in safety-related Areas. Two Mandays Expended for Investigation
ML19343A453
Person / Time
Site: Zimmer
Issue date: 09/02/1980
From: Borgmann E
CINCINNATI GAS & ELECTRIC CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
IEB-80-20, NUDOCS 8009170429
Download: ML19343A453 (1)


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CINCINN ATi.OMIO 45201 E. A BORG M ANN Septem)er 2, 1980 SE-eeOR vsCC PRESiOENT United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 Attention: Mr. James G. Keppler, Regional Director RE: WM. H. ZIMMER NUCLEAR POWER STATION UNIT 1 - FAILURES OF WESTINGHOUSE TYPE W-2 SPRING RETURN TO NEUTRAL CONTROL SWITCHES, IE BULLETIN 80-20, DOCKET 450-358, W.O. 57300, JOB E-5590, ITEM #956 Gentlemen:

Westinghouse type W-2 control switches were not approved for use at the Wm. H. Zimmer Nuch ar Power Station Unit 1. In nddition, to confirm that W-2 1. witches are not utilized in safety related systems, a schenatic review was undertaken, The results of this review confirmed that Westinghouse type W-2 control switches are not utilized in safety related systems at this facility. Therefore, IE Bulletin 80-20 is not applicable to this facility.

With regards to the amount of time expended in investigating the status of Westinghouse type control switches, we would like to advise you that two man-days were expended by us in conducting this investigation.

Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY By E. A. Borgmann WPC:mjl cc: NRC Office of Inspection and Enforcement R. F. Scheibel SEP 5 1980 R. E. Cotta C. W. Beringhaus J. R. Schott H. C. Brinkmann J. D. Flynn W. W. Schwiers F. T. Daniels B. K. Culver W. D. Waymire (Pink)

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