ML20102C219

Advises That Parties Have Settled Issue of Monitoring Cam Gallery Cracks in Emergency Diesel Generator 101 & 102 Blocks.Question Re Monitoring Based on Hours of Operation Can Be Addressed Further When Diesel Hearings Resume

ML20102C219
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	03/01/1985
From:	Twana Ellis HUNTON & WILLIAMS
To:	Brenner L, Ferguson G, Morris P Atomic Safety and Licensing Board Panel
References
CON-#185-837 OL, NUDOCS 8503050389
Download: ML20102C219 (2)

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,ca.-o=c ,o n sa==oo March 1, 1985 ,,u ,,o oiance o au =o aoa oss-BY HAND Honorable Lawrence J. Brenner Honorable Peter A. Morris Administrative Judges Atomic Safety and Licensing Board U.S. Nuclear Regulatory Commission 4350 East-West Highway Fourth Floor (West Tower)

Washington, D.C. 20814 Honorable George A. Ferguson Administrative Judge School of Engineering Howard University 2300 - 6th Street, N.W.

Room 1114 Washington, D.C. 20059 Long Island Lighting Company Docket No. 50-322-1 (OL)

Dear Administrative Judges:

As announced to the Board at the hearing on February 20, 1985, the parties have settled the issue of monitoring the cam gallery cracks in the EDG 101 and 102 blocks. The terms of the settlement are as follows:

Cam gallery saddle location nos. 2 and 8 on the EDG 101 and 102 blocks will be inspected every three months from the time the EDGs are initially placed in operation for emergency standby service until the first refueling outage. Liquid penetrant examinations of the nos. 2 and 8 saddle locations will be performed to monitor the length of the cracks, followed by TSI depth gage measurements of the cracks to monitor their depth.

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HUNTON Oc WILLIAMS March 1, 1985 Page 2 The Board, on its own, raised the question whether additional inspections of the cam gallery are contemplated in the event the EDGs are operated for any reason other than surveillance testing. (Tr. 27935) The parties have discussed this question. The Staff and Lilco, after consultation, believe that monitoring the cracks every three months is adequate. This conclusion is based in part on the evidence demonstrating the cracks formed during fabrication and not as a result of EDG operation, and on the examinations to date which indicate there has been no crack propagation. The County had not previously considered the question raised by the Board, but now believes that monitoring after any emergency operation (other than normal surveillance testing) for more than one hour would be beneficial.

This letter is in response to the Board's request that it be advised in writing of the cam gallery settlement which Mr.

I Dynner discussed on the record on February 20. (Tr. 24934) If the Board desires, the question concerning monitoring based on hours of operation can be addressed further when the diesel hearings resume. Lilco and the County agree, however, that the l question raised by the Board does not affect the settlement i reached by the parties as described above, and the parties do not envision submitting findings on the cam gallery cracks.

Respectfully, W

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i T. S. Ellis, III cc: Service List