ML20204F125

Advises That Static O Ring Models 102 & 103 Differential Pressure Switches Not Installed as Part of Equipment Qualification Program Per 10CFR50.49(b) & IE Bulletin 86-002.Util Has No Plans to Install Switches

ML20204F125
Person / Time
Site:	Maine Yankee
Issue date:	07/24/1986
From:	Randazza J Maine Yankee
To:	NRC OFFICE OF ADMINISTRATION (ADM), Office of Nuclear Reactor Regulation
References
7863L-SEN, GDW-86-98, IEB-86-002, IEB-86-2, MN-86-180, NUDOCS 8608040097
Download: ML20204F125 (1)

Text

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MAME HARHEE AToml0POWERCOMPARUe avaver,Yl,?n" ewe g

July 24, 1986 (207) 623 3521 GDH-86-98 MN-86-180 9

Director of Nuclear Reactor Regulation United States Nuclear Regulatory Commission Washington, D. C.

20555 Attention: Document Control Desk

References:

(a)

License No. DPR-36 (Docket No. 50-309)

(b) USNRC Letter to HYAPCo dated June 10, 1986 -

IE Information Notice 86-47:

Erratic Behavior of Static "0" Ring Differential Pressure Switches (c) USNRC Letter to MYAPCo dated July 18, 1986 -

IE Bulletin 86-02:

Static "0" Ring Differential Pressure Switches

Subject:

Static "0" Ring Differential Pressure Switches Gentlemen:

This letter is in response to IE Bulletin 86-02, Reference (c). To the best of our knowledge and belief, SOR Model 102 or 103 differential pressure switches are not installed as qualified electrical equipment required by the Maine Yankee Equipment Qualification Program and 10 CFR 50.49(b).

Additionally, we currently have no plans to install SOR Model 102 or 103 differential pressure switches as qualified electrical equipment.

Very truly yours, MAINE YANKEE ATOMIC POWER COMPANY John B. Randazza Executive Vice President JBR/bjp l

cc: Mr. Ashok C. Thadani Mr. Cornelius F. Holden Mr. Pat Sears Mr. Clough Toppan

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STATE OF MAINE I $

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Then personally appeared before me, John B. Randazza, who being duly sworn did state that he is Executive Vice President of Maine Yankee Atomic Power Company, that he is duly authorized to execute and file the foregoing response in the name and on behalf of Maine Yankee Atomic Power Company, and that the statements therein are true to the best of his knowledge and belief.

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PDR STEVDJ E. McHCM 7863L-SEN MycouMS!a$[EEEiUIIa.,

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