ML20052F513

Provides Info Re Application of Westinghouse Improved Thermal Design Procedure.Review of Info Should Close Outstanding Item 8 of Ser.Nonproprietary Info Will Be Incorporated Into FSAR

ML20052F513
Person / Time
Site:	Byron, Braidwood, 05000000
Issue date:	05/05/1982
From:	Tramm T COMMONWEALTH EDISON CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
Shared Package
ML19274C073	List: ML20052F513 ML20052F519
References
3988N, NUDOCS 8205130130
Download: ML20052F513 (2)

Text

I i

.f ' ' O Commonwepith Edison

, ) -one FGst National Plaza. Chicago, linnois C_7 7 Address R: ply to: Post Office Box 767

. / Chicago, filinois 60690

~

O May 5, 1982 S

~ RECE?I6Il _.

Mr. Harold R . Denton, Director

~~ MAT 1 git h

Of fice o f Nuclear Reactor Regulation E gMra91%' ts U.S. Nuclear Regulatory Commission M Washington, DC 20555 4 p3

Subject:

Byron Station Units 1 and 2 Braidwood Station Units 1 and 2 Improved Thermal Design Procedures NRC Docke t Nos. 50-45 4, 50-455, 50-456 and 50-457

Dear Mr. Denton:

This is to provide information regaroing the application o f the Westinghouse Improved Thermal Design Procedure at the Byron and Braidwood plants. The review o f this information should close Outstanding Item 8 of the Byron Safety Evaluation Report.

In the Safety Evaluation Report on WC AP-9500, "Re ference Core Report 17x17 Optimized Fuel Assembly", the staf f required those plants using the Improved Thermal Design Procedure (ITDP) to provide additional information on the plant specific application of the ITDP. Enclosed is the Westinghouse response for Byron /Braidwood.

The generic response related to ITDP was provided by Westinghouse letter NS-EPR-2577, Rahe to Berlinger, March 31, 1982. This completes the set of responses to ITDP for Byron /Braidwood.

This submittal contains proprietary information o f Westing-house Electric Corporation. In conformance with the requirements of 10 CFR Section 2.790, as amended, o f the Commission's regulations, we are enclosing with this submittal an application for withholding from public disclosure by the Commission.

Correspondence with respect to the af fadavit or application

! for withholding should reference CAW-82-15 and should be addressed I

to R. A. Wiesemann, Manage r, Regula tory and Legislative Af f airs ,

Westinghouse Electric Corporation, P.O. Box 355, Pi t tsbu rgh , Penn.

l 15230.

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l 8205130130 020505 PDR ADOCK 05000454 E pgg

f .

H. R. Denton May 5, 1982 Enclosed for your use are:

1. Fif teen copies of this letter.

2. Three copies o f the Westinghouse response to NRC questions on Improved Thermal Design Procedures for Byron /Braidwood (Proprietary).

3. Fif teen copies of tne Westinghouse response to NRC questions on Improved Thermal Design Procedures for Byron /Braidwood (Non-Proprietary) .

4. One signed original and fif teen copies of the Application for Withholding , C AW-82-15 (Non-Proprietary).

5. One signed original and fif teen copies o f the Af fidavit (Non-Proprietary) .

The nonproprietary portions of the enclosed technical information will be incorporated into the FSAR at the earliest opportunity.

Please acJress further questions regarding. the technical details of this matter to this of fice.

Very truly yours, I/N

• I T.R. Tramm toclear Licensing Administrator 1m

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