ML19332A622

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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 or Planned for Use in Sys
ML19332A622
Person / Time
Site: Pilgrim
Issue date: 08/08/1980
From: Andognini G
BOSTON EDISON CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
80-182, IEB-80-19, NUDOCS 8009160519
Download: ML19332A622 (1)


Text

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OENERAL OrrscEs 800 BayLsTON SimCET B osTO N. M ASEACNUSETTs 02199 G. CAnL ANDOGNING -

BUPERINTENDENT NUCLEAR OPERATIONE DEPARTMENT August'8, 1980 BECo Ltr. # 80-182 Mr. Boyce H. Grier, Director Office of Inspection and Enforcement Region 1 U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pa.

19406 License No. DPR-35 Docket No. 50-293 Response to IE Bulletin 80-19 Dear Sirs Boston Edison has -completed the review requested in the subject bulletin concerning the use of mercury-wetted relays in the reactor protection system (RPS).

It has been determined that Pilgrim station does not presently use, nor plan to use these relays in its RPS.

The following information is submitted in response to your request for estimates of manpower expended-in conducting the review and preparing the response to this bulletin.

Manpower Requirements CHours Bull'etin Response 7

Corrective Action Not Applicable We trust this information is responsive to your needs. Should you have any futher comments or questions concerning this subject., please do not hesitate to contact us, Very truly yours, 14 l&

M 8'009160519