ML17296B018

Responds to IE Bulletin 80-19, Failures of Mercury-Wetted Matrix Relays in Reactor Protective Sys of Operating Nuclear Power Plants Designed by C-E. No Subj Relays Used in Reactor Protective Sys at Facilities

ML17296B018
Person / Time
Site:	Palo Verde
Issue date:	09/02/1980
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
ANPP-16266, IEB-80-19, NUDOCS 8010240079
Download: ML17296B018 (2)

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P. 0 BOX 2I666 PHOENIX/ ARIZONA 85036 September 2,

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P Mr. R.

H. Engelken, Director Nuclear Regulatory Commission Region V

1990 Il. California Boulevard Suite 202, Walnut Creek Plaza Walnur. Creek. California 94596

Subject:

NRC I8E Bulletin No. 80-19 Failures of Mercury-Wetted Matrix Relays in Reactor Protective Systems of Operating nuclear Power Plants Designed Combus tion Engi neeri ng File:

80-055-026

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Dear ilr. Engelken:

In reference to IaE Bulletin No. 80-19, CE does not use mercury-wetted. relays in the PVNGS reactor protective system.

A total of five manhours was used to perform this review.

~'>>'///w,'ery truly yours, (M~

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E.

Van Brunt, Jr.

APS Vice President, Nuclear Projects ANPP Project Director EEVBJr/!!Fg/av, cc:

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M. Allen F.

W. Hartley C.

Ferguson ilRC Office of Inspectior'i 5 Enforcement

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