NSD-NRC-96-4728, Forwards Nonproprietary & Proprietary Versions of Draft Chapter to Wgothic Applications Rept Scheduled for Completion in June.Draft Chapter Describes AP600 PCS Film Coverage Model.Proprietary Draft Chapter Withheld

Forwards Nonproprietary & Proprietary Versions of Draft Chapter to Wgothic Applications Rept Scheduled for Completion in June.Draft Chapter Describes AP600 PCS Film Coverage Model.Proprietary Draft Chapter Withheld

ML20117H435
Person / Time
Site:	05200003
Issue date:	05/21/1996
From:	Mcintyre B WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:	Quay T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML19355D279	List: ML20117H448 ML20117H452 NSD-NRC-96-4728, Forwards Nonproprietary & Proprietary Versions of Draft Chapter to Wgothic Applications Rept Scheduled for Completion in June.Draft Chapter Describes AP600 PCS Film Coverage Model.Proprietary Draft Chapter Withheld
References
NSD-NRC-96-4728, NUDOCS 9605280193
Download: ML20117H435 (4)

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Westinghouse Energy Systems Box 355 1 Electric Corporation Pmsburgh Pennsylvania 15230-0355

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l NSD-NRC-%-4728 DCP/NRC0518 Docket No.) STN-52-003 -

May 21,1996 Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555 i

ATTENTION:

T.R. QUAY  ;

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SUBJECT:

AP600 PCS FILM COVERAGE MODEL >

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Dear Mr. Quay:

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The enclosure to this letter provides a draft chapter to the WGOTHIC Applications Report scheduled -

l for completion in June. The draft chapter describes the method for calculating the PCS film coverage <

input used in the AP600 containment DBA evaluation model. Planned additions to the chapter which  ;

are not reflected in the enclosed draft include incorporation of information to address the effect of I l baffle standoffs and information to assess the WGOTHIC model sensitivity to film temperature input.

l The draft chapter is provided at this time to allow the staff to begin their review of the PCS water  ;

coverage model. Comments and questions on the enclosure would be appreciated by June 17,19%. t t

The Westinghouse Electric Corporation copyright notice, proprietary information notice, application for withholding and affidavit are also attached.

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This submittal contains Westinghouse proprietary information consisting of trade secrets, commercial  ;

information or financial information which we consider privileged or confidential pursuant to 10CFR2.790. Therefore, it is requested that the Westinghouse proprietary information attached hereto l be handled on a confidential basis and be withheld from public disclosures. The non-proprietary copy of Enclosure 1 is provided as Enclosure 2.

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l NSD-NRC-96-4728 DCP/NRC0518 May 21,1996 This material is for your internal use only and may be used for the purpose for which it is submitted.

- It should not be otherwise used, disclosed, duplicated, or disseminated, in whole or in part, to any other person or organization outside the Commission, the Office of Nuclear Reactor Regulation, the Office of Nuclear Regulatory Research and the necessary subcontractors that have signed a proprietary non-disclosure agreement with Westinghouse without the express written approval of Westinghouse.

Correspondence with respect to the application for withholding should reference AW-96-969, and should be addressed to B. A. McIntyre, Manager of Advanced Plant Safety and Licensing, Westinghouse Electric Corporation, P.O. Box 355, Pittsburgh, Pennsylvania, 15230-0355.

Please contact John C. Butler on (412) 374-5268 if you have any questions concerning this transmittal.

B.~.

Brian A

/r Manager McIntyre, Advanced Plant Safety and Licensing

/nja Enclosures Attachment cc: T. Kenyon, NRC (w/o Enclosures / Attachments)

D. Jackson, NRC (IEl, IE2)

J. Kudrick, NRC (IEl)

E. Throm, NRC (IEl)

P. Boehnert, ACRS (IEl)

N. J. Liparulo, Westinghouse (w/o Enclosures / Attachments) 2*'8A k

l COPYRIGHT NOTICE l 1

i The reports transmitted herewidi each bear a Westinghouse 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 plant-specific reviews and approvals as well as the l issuance, denial, amendment, transfer, renewal, modification, suspension, revocation, or violation of a license, permit, order, or regulation subject to the requirements of 10 CFR 2.790 regarding j 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, D.C. and in local public document rooms as may be required by NRC regulations if the number of copies submitted is insufficient for this purpose. Copies made by the NRC must include the copyright notice in all instances and the proprietary notice if the original was identified as proprietary.

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L 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 versions is contained within brackets, and where the proprietary l information has been deleted in the non-proprietary versions, only the brackets remain (the 1 information that was contained within the brackets in the proprietary versions having been deleted). l 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 identified as proprietary or in the margin opposite such mformation. These lower case letters refer to the types of information

! Westinghouse customarily holds in confidence identified in Section (4)(ii)(a) through (4)(ii)(f) of the ,

affidavit accompanying this transmittal pursuant to 10 CFR2.790(b)(1). )

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