ML19336A257

From kanterella
Jump to navigation Jump to search
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. Mercury-wetted Relays Are Not Used at Facility
ML19336A257
Person / Time
Site: Cooper Entergy icon.png
Issue date: 08/06/1980
From: Pilant J
NEBRASKA PUBLIC POWER DISTRICT
To: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
IEB-80-19, NUDOCS 8010220249
Download: ML19336A257 (1)


Text

.

bec to DAC:ADM.

CENTRAL FILES PDR:HQ LPDR

={ik

_ _l Nebraska Public Power District " "

  • f* !

gNsIC N,>A --

1

.-. - . .. t August 6, 1980 Mr. Karl V. Seyfrit, Director U.S.. Nuclear Regulatory Commission g/

Offict of Inspection and Enforcement y Region IV 611 Ryan Plaza' Drive Suite 1000 Arlington, Texas 76011

Subject:

IE Bulletin 80-19, Failures of Mercury-Wetted Matrix Relays in Reactor Protective Systems Of Operating Nuclear Power Plants Designed By Combustion Engineering

Dear Sir:

The subject bulletin requested actions in event mercury-wetted relays are used in the Reactor Protection System. This letter is written to inform you that we do not use mercury-wetted relays in the Reactor Protection System.

It is estimated that 3 manhours were used in this review and preparation of this report.

If you have any questions regarding this subject, please contact us.

Sincerely, M

J. .. Pilant Director of Licensing and Quality Assurance JMP:LCL:cg cc: U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Division of Reactor Operations Inspection Washington, DC 20555-l l

l 8 0 1 0 '2 e o M g