ML20137T478

Application for Amend to License NPF-37,changing Tech Specs to Temporarily Close Valves in Safety Injection Sys During Surveillance of RCS Pressure Isolation Valves.Amend Should Be Incorporated in Draft Tech Specs.Fee Paid

ML20137T478
Person / Time
Site:	Byron, Braidwood, 05000000
Issue date:	11/26/1985
From:	Ainger K COMMONWEALTH EDISON CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
Shared Package
ML20137T484	List: ML20137T478 ML20137T491
References
0940K, 940K, NUDOCS 8512090031
Download: ML20137T478 (2)

Text

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Comm:nwzith Edison One First National Plaza Chicago litinoes

. Address Reply to Post Ofhce Box 767 Cnicago. Uhnois 60690 November 26, 1985 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC. 20555

Subject:

Byron Station Units 1 and 2 Braidwood Station Units 1 and 2 Application for Amendment to Facility Operating License NPF-37, Appendix A, Technical Specifications NRC Dockets Nos. 50-454/50-455 and 50-456/50-457

Dear Mr. Denton:

Pursuant to 10 CFR 50.90, Commonwealth Edison proposes to amend Appendix A. Technf,il Specifications, to Facility Operating License NPF-37. The proposed change to Specification 3/4.5.2, Emergency Core Cooling Systems, is contained in Attachment A.

Technical Specification 4.4.6.2.2 requires reactor coolant system pressure isolation valves to be periodically checked for potential back leakage into lower pressure interconnected systems.

This proposed change to Sp.ecification 3/4.5.2 allows certain valves in the safety injection system to be temporarily closed during the performance of this surveillance. The reasons for the proposed change are described in Attachment B.

The proposed change has received both On-Site and Off-Site review and approval. We have reviewed this proposed amendment in accordance with 10 CFR 50.92c and determined that no significant hazards consideration exists. Our review is documented in Attachment C.

This proposed change involvec systems within the duplicate design of Byron and Braidwood Stations. Therefore, we are requesting this proposed change to the Byron Technical Specifications to be incorporated into the draft of the Braidwood Technical Specifications if the change is approved.

Commonwealth Edison is notifying the State of Illinois of our application for this amendment by trahomitting a copy of this letter and its attachments to the de gnated State Officia'.

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H. R.-Denton November 26, 1985 In accordance with 10 CFR 170, a fee remittance in the amount of $150.00 is enclosed.

Please direct any questions you may have regarding this matter to this office.

Three (3) signed originals and thirty-seven (37) copies of this letter and its attachments are provided for your use.

Very truly yours,

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f dt K . ' A . Ainger Nuclear Licensing Administrator cc: Byron Resident Inspector Braidwood Resident Inspector L. N. Olshan - NRR i J. Stevens - NRR M.C. Parker - State of Illinois Attachments (A) Proposed Technical Specification Change (B) Reasons for Proposed Change (C) Evaluation of Significant Hazards Consideration SUBSCRIBED and SWORN to before me,this "C' day of IW A -

, 1985

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Notary Public 0940K .

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