ML20127K950

Forwards Proprietary & non-proprietary Versions of NFSR-0090, VIPRE/WRB-2 DNBR Thermal Limit for Westinghouse 17x17 Ofa & Vantage 5 Fuel. Proprietary Versions Withheld

ML20127K950
Person / Time
Site:	Byron, Braidwood
Issue date:	01/14/1993
From:	Chrzanowski D COMMONWEALTH EDISON CO.
To:	Murley T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation
Shared Package
ML19303F218	List: ML20127K950 ML20127K991 ML20127L009
References
TAC-M72242, TAC-M72243, NUDOCS 9301260284
Download: ML20127K950 (5)

Text

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.j '" J oowners Grove,lltinois 60515 January 14,1993 Dr. Thomas E. Murley, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555 Attention: Document Control Desk

Subject:

Byron Nuclear Power Station Units 1 and 2 Braidwood Nuclear Power Stations Units 1 and 2 VIPRE/WRB 2 DNBR Thermal Limit Topical Report NRC Docket Nos. 50-454,455,456, and 457

Reference:

1) "VIPRE/WRB 1 DNBR Thermal Limit for Westinghouse OFA Fuel, " NFSR 0033, J. Boerger, et. al., October 14,1988,

2) of ( IR for 'VIPRE/WRB-1)DNBR Thermal Limit forNRC Letter C. Pat Westinghouse OFA Fuel' (TAC NOS. 72242 and 72243)," dated February 15,1990.

Dear Dr. Murley:

Enclosed as Attachment A are 6 proprietary copies of the Commonwealth for Westinghouse 17x17)the Thermal Limit for the Westinghouse WRB 2 Critical He Flux Correlation implemented in the VIPRE computer code.

Please note that the methodology used in NFSR-0090 to calculate the VIPRE/WRB 2 Thermal Limit is identical to the methodology used in NFSR-0033 (Reference 1) to calculate the VIPRE/WRB 1 Thermal Limit. Reference 1 received a Safety Evaluation Report (SER) from the Nuclear Regulatory Commission (NRC) in February 1990 (Reference 2).

The required Westinghouse withholding application and accompanying affidavit are enclosed as Attachment B. Six Non Proprietary copies of the Attacament A report are included as Attachment C with brackets indicating the deleted sections.

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Dr. Murley January 14,1993 Please contact this office should further information be required.

Sincerely, i

b. p.

• l David J. Chrzanowski Nuclear Licensing Administrator Attachments:

A) VIPRE/WRB-2 DNBR Thermal Limit for Westinghouse 17X17 OFA and VANTAGE 5 Fuel (NFSR-0090) Proprietary Copies.

B) Withholding Application and Affidavit for Westinghouse Proprietary Informatl C) Non-Proprietary Copies of NFSR-0000, cc: A.B. Davis - Regional Administrator, Region 111 - w/o Attachments J. Hickman Project Manager, NRR - w/o Attachments R. Elliot - Project Manager, NRR - w/o Attachments Senior Resident inspector - Braidwood - w/o Attachments Senior Resident inspector - Byron - w/o Attachments ZNLD/1524/8

ATTACHMENT B WITHHOLDING APPLICATION AND

- AFFIDAVIT FOR WESTINGHOUSE PROPRIETARY INFORMATION 6

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Copyright Notice The NRC is permitted to make the number of copies of the information contained in these reports which are necessary for its internal use in connection with generic and

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plant specific reviews and approvals as well as the Issuance, denial, amendment, transfer, renewal, modification, suspension, revocation, or violation of a license, permit, order, or regulation subject to the requirernents of 10 CFR 2.790 regarding restrictions on public disclosure to the extent such information has been Identified as proprietary by Westinghouse, copyright protection notwithstanding. With respect to the non proprietary versions of these reports, the NRC is permitted to make the number of copies beyond those necessary for its internal use which are necessary in  :

order to have one copy available for public viewing in the appropriate docket files in the public document room in Washington, DC and in local public document rooms as may be required by NRC regulations if the number of copies submitted is Insufficient for this purpose. The NRC is not authorized to make copies for the personal use of members of the public who make use of the NRC public document rooms. Copies made by the NRC must include the copyright notice in all instances and the proprietary notice if the original was identified as proprietary, s

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i Proprietary information Notice Transmitted herewith are proprietary and/or non-proprietary versions of documents furnished to the NRC in connection with requests for generic _ and/or plant specific review and approval.

In order to conform to the requirements of 10 CFR 2.790 of the Commission's regulations concerning the protection of proprietary information so submitted to the NRC, the information which is proprietary in the proprietary version is contained within brackets, and where the proprietary information has been deleted in the non-proprietary versions, only the brackets remain (the information that was contained within the brackets in the proprietary versions having been deleted). The justification for claiming the information so designated as proprietary is indicated in both versions by means of lower case letters (a) through (f) contained within parentheses located as a superscript immediately following the brackets enclosing each item of information being identifled as proprietary or in the margin opposite such information. These lower case letters refer to the types of Information Westinghouse customarily holds in confidence identified in Sections (4)(ii)(a) through (4)(ll)(f) of the affidavit accompanying this transmittal pursuant to 10 CFR 2.790(b)(1).

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