NSD-NRC-96-4763, Forwards Proprietary Draft Chapter to Wgothic Applications Rept.Draft Chapter Addresses Effects of Mixing & Stratification on AP600 Containment Response to Design Basis Accidents.Proprietary Portion of Doc Sent to Westinghouse

Forwards Proprietary Draft Chapter to Wgothic Applications Rept.Draft Chapter Addresses Effects of Mixing & Stratification on AP600 Containment Response to Design Basis Accidents.Proprietary Portion of Doc Sent to Westinghouse

ML20113E672
Person / Time
Site:	05200003
Issue date:	07/01/1996
From:	Mcintyre B WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:	Quay T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20113E675	List: ML20113E680 NSD-NRC-96-4763, Forwards Proprietary Draft Chapter to Wgothic Applications Rept.Draft Chapter Addresses Effects of Mixing & Stratification on AP600 Containment Response to Design Basis Accidents.Proprietary Portion of Doc Sent to Westinghouse
References
DCP-NRC0547, DCP-NRC547, NSD-NRC-96-4763, NUDOCS 9607080234
Download: ML20113E672 (4)

Text

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Westinghouse Energy Systems Box ass Electric Corporation Pittsburgh Pennsylvania 15230-0355 NSD-NRC-96-4763 DCP/NRC0547  :

Docket No. STN-52-003 l l 1 l July 1,1996 l Document Control Desk U.S. Nuclear Regu!atory Commission Washington, D.C, 20555

, ATTENTION: T.R. QUAY l l

SUBJECT:

ASSESSMENT OF MIXING AND STRATIFICATION EFFECTS ON AP600 l CONTAINMENT i l .

Dear Mr. Quay:

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

chapter addresses the effects of mixing and stratification on AP600 containment response to design basis accidents and how these effects are addressed in the AP600 DBA Evaluation Model. The draft ,

chapter is provided at this time to allow the staff to begin their review of mixing and statification effects. Comments and questions on the enclosure would be appreciated by August 1,1996.

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

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

information or financial information which we consider privileged or confidential pursuant to i 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 I will be provided within 90 days.

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NSD-NRC-96-4763 DCP/NRC0547 July 1,1996 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-96-982, and should be addressed to Brian 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.

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B-ian A. McIntyre, anager 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. Liparuto, Westinghouse (w/o Enclosures / Attachments) 2828A

s. _ _ _ _ _ . _ _ . _ - - . _ _

COPYRIGHT NOTICE t

The reports transmitted herewith 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 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 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 l

these reports, the NRC is permitted to make the number of copies beyond those necessary for its l internal use which are necessary in order to have one copy available for public viewing in the I

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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PROPRIETARY INFORMATION NOTICE l Transmitted herewith are proprietary and/or non-proprietary versions of documents furnished to the l 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 Conunission'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 j 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 information. 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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