ML19338E733

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Submits Response to IE Bulletin 80-19.Mercury-wetted Switches Are Not Used in safety-related Sys
ML19338E733
Person / Time
Site: Clinton  Constellation icon.png
Issue date: 08/26/1980
From: Wuller G
ILLINOIS POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
IEB-80-19, U-0177, NUDOCS 8010060065
Download: ML19338E733 (1)


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U-0177 lLLINDIS POWER COMPANY LO8-80(08-26)-0

. 500 SoVTH 27TH STREET. DECATUR. ILL Nois 62525 August 26, 1980 Mr. James G. Keppler Director, Region III Office of Inspection & Enforcement U.S. Nuclear Regulatory Commission ,

799 Roosevelt Road

Glen Ellyn, Illinois 6'0137

Dear Mr. Keppler:

Clinton Power Station Units 1 & 2 Docket Nos. 50-461 and 50-462 Construction Permits No. CPPR-137 & CPPR-138 This is in reply to your letter of July 31, 1980, whereby you forwarded IE Bulletin No. 80-19 which reported on the failure of mercury-wetted relays (C. P. Clare Model HG2X-10ll) .

This is to advise you that mercury wetted switches are not used in the Clinton nuclear safety-related systems.

i Sincerely, G. E. Wuller -

Supervisor-Licensing Nuclear Station Engineering JPO'B:dl cc: CPS /DRC H. H. Livermore, NRC Resident Inspector Office of I&E, Division of Reactor Construction Inspection, Washington, D.C.

SEP 02 g 80)o0600 _ _