ML17174A417

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Updates Recirculation Pump Trip Mod Installation Schedule in Response to NRC Request.Mods for Quad-Cities 2 Will Be Implemented by 801231.Dresden 2 Refueling Shutdown Will Begin 801231
ML17174A417
Person / Time
Site: Dresden, Quad Cities  Constellation icon.png
Issue date: 02/04/1980
From: Peoples D
COMMONWEALTH EDISON CO.
To: Eisenhut D
Office of Nuclear Reactor Regulation
References
NUDOCS 8002080550
Download: ML17174A417 (2)


Text

¥ Com~onwlth Edison One First National Plaza, Chicago. Illinois Address Reply to: Post Office Box 767 Chicago, Illinois 60690 February 4, 1980

. Mr. Darrell G. Eisenhut, Acting Director Division of Operating Reactors U.S. Nuclear Regulatory Commission Washington, DC 20555

Subject:

Dresden Station Units 1,2, and 3 Quad Cities Station Units 1 and 2 Recirculation Pump Trip Modifications NRC Docket Nos. 50-10/237/249 and 50-254/265 References (a):

D. L. Peoples letter to.H. R. Denton dated November 30, 1979 (b):

C. Reed letter to H. R. Denton dated March 29, 1979

Dear Mr. Eisenhut:

This letter is in response to NRC Staff requests to clarify and update, where required, the recirculation pump trip (RPT) modification installation schedules at Dresderi and Quad Cities which were given in References (a) and (b).

For Quad Cities Unit 2, problems outlined in Reference (a) may pervent implementation of the RPT modifications during

.the current refueling outage.

In no case, however, will implementation occur later than December 31, 1980.

For Dresden Unit 2, a shutdown for refueling will begin no later than December 31, 1980, and the RPT installation

  • will be complete and operable prior to startup from that re-fueling. outage.

All other schedules pro~ided in References (a) and (b) remain unchanged.

As iridicated in those references,

  • Commonwealth.Edison Co. intends to install the RPT.modifications prior to the dates given if equipment is available and outages -

of sufficient length occur (estimated 3-4 week outage requited).

Commonwealth Edison NRC Docket Nos.

50~10/237 /249 Mr. Darrell G. Eisenhut Page 2 February4, 1980 and. 50-254/265 Please address any ~dditional qu~stions you may have cortcerning this matter to this office.

One (1) signed original and fifty-nine (59) copies of this transmittal are provided for your use.

Very truly yours, D~ L. Peoples Director of Nuclear Licensing