ML20079H136

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Modifies Wording in Request for Change to Tech Specs Re Diesel Generator Fast Starts Performed at Least Once Per 184 Days in Surveillance Testing.All Other Starts Shall Be Preceded by Engine Prelube Period
ML20079H136
Person / Time
Site: LaSalle Constellation icon.png
Issue date: 01/11/1984
From: Schroeder C
COMMONWEALTH EDISON CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
7977N, NUDOCS 8401230338
Download: ML20079H136 (2)


Text

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[~h Commonwealth Edison l

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( O 7 Address Reply to: Post Office Box 767 j Chicago tilinois 60690 January ll, 1984 Mr. Harold R. Denton, Director Of fice of Nuclesr Reactor Regulatica U.S. Nuclear Regulatory Commission Washington, DC 20555

Subject:

LaSalle County Station Unit 1 Request for an Exigent Change to NPF-11 Appendix A Technical Specifications Regarding Diesel Generator Fast Starts NRC Docket Nos. 50-373 Reference (a):

C.

W. Schroeder letter to H. R. Denton dated December 9, 1983.

Dear Mr. Denton:

The purpose of this letter is to modify the wording requested in reference (a) for LaSalle County Station Unit 1 Technical Specifications.

Specifically, the insert for page 3/4 8-3 should read as follows:

"These diesel generator starts from ambient conditions shall be performed at least once per 184 days in these surveillance tests.

All other engine starts for the purpose of surveillance testing shall be preceeded by an engine prelube period and/or warmup procedures recommended by the manufacturer, so that mechanical and wear on the diesel engine is minimized."

This change has been discussed with Dr. A. Bournia of your staff.

In addition, this proposed wording change has received onsite and offsite review and approval.

To the best of my knowledge and belief the statements contained herein and in the enclosure are true and correct.

In some respects these statements are not based on my personal knowledge but upon information furnished by other Commonwealth Edison and contractor employees.

Such information has been reviewed in accordance with Company practice and I believe it to be reliable.

Commonwealth Edison is notifying the State of Illinois of the change in our request for this amendment by transmittal of a copy of this letter and its enclosures to the designated State Of ficial.

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H. R. Denton January 11, 1984 If there are any further questions concerning this matter, please contact this office.

. Enclosed please find three (3) signed originals and forty (40) copies of this letter and the enclosures.

Very truly yours, iii./w C. W.

Schroeder

-Nuclear Licensing Administrator 1m cc:

Dr. A. Bournia NRC Resident Inspector - LSCS G.

N. Wright - (State of IL)

SUBSCRIBED.and SWORN to before me this

//. GL day off(kGuher4L/ big.$r,.K 1984 Notary Public 7977N l

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