ET-NRC-93-3957, Forwards Proprietary Response to Anl Request for Info on AP600 Design Basis Double-Ended Cold Leg Guillotine Break for Containment Integrity Analysis.Affidavit for Withholding Encl.Proprietary Portion of Document Sent to Westinghouse

Forwards Proprietary Response to Anl Request for Info on AP600 Design Basis Double-Ended Cold Leg Guillotine Break for Containment Integrity Analysis.Affidavit for Withholding Encl.Proprietary Portion of Document Sent to Westinghouse

ML20056H375
Person / Time
Site:	05200003
Issue date:	08/25/1993
From:	Liparulo N WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:	Borchardt R NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20056H376	List: ET-NRC-93-3957, Forwards Proprietary Response to Anl Request for Info on AP600 Design Basis Double-Ended Cold Leg Guillotine Break for Containment Integrity Analysis.Affidavit for Withholding Encl.Proprietary Portion of Document Sent to Westinghouse ML20056H379
References
ET-NRC-93-3957, NUDOCS 9309090213
Download: ML20056H375 (4)

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Westinghouse Energy Systems b 355 Pmstugh PennsyNanta 15230 0355 Electric Corporation ET-NRC-93-3957 NSRA-APSle93-0321 Docket No.: STN-52-fo3 August 25,1993 Document Conttel Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555 ATTENTION: MR. R. W. BORCHARDT

SUBJECT:

RESPONSE TO ARGONNE NATIONAL LABORATORY REQUEST FOR INFORMATION ON SSAR CONTAINMENT INTEGRITY ANALYSIS

Dear Mr. Borchardt:

Please find in the attached table infor ation which was informally requested by Dr. Sha of Argonne National L.aboratory to support his eLorts toward modeling the containment response of the AP600.

The table provides details relative to the AP600 design basis Double-Ended Cold Leg Guillotine break for containment integrity analysis documented in Subsection 6.2.1.1 of the AP600 SSAR. The attached data is limited to the blowdown phase of the transient, as requested. Westinghouse believes that it would be more efficient if all future requests are processed through NRR.

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

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 be handled on a confidential basis and be withheld from public disclosures.

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 pert. to any other person or organization outside the Commission, the Office of Nuclear Reactor Regulation or the Office of Nuclear Regulatory Research without the express written approval of Westinghouse.

Correspondence with respect to the application for withholding should reference AW-93-518, and should be addressed to N. J. Liparulo, Manager of Nuclear Safety And Regulatory Activities, Westinghouse Electric Corporation, P.O. Box 355, Pittsburgh, Pennsylvania, 15230-0355.

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1 ET-NRC-93-3957 NSRA-APSI 93-0321 August 25,1993 Please contact Brian A. McIntyre on (412) 374-4334 if you have any questions concerning this transmittal.

A N. J. Liparuto, Manager f il .&

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Nuclear Safety & Regulatory Activities

/nja Attachrnents cc: T. Kenyon, NRC R. Hasselberg, NRC W. T. Sha, ANL i

- B. A. McIntyre, Westinghouse (w/o Attachments) e 1182A '

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COPYRIGIIT NOTICE 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 l

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 We .inghouse, copyright I protection not withstanding. With respect to the non-proprietary versions of these reports, the NRC is l permitted to make the number of copics beyond those necessary for its internal use which are necessary in order to have one copy availabic 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. The NRC is not authorized I to make copies for the personal use of members of the public who make use of the NRC public document  !

rooms. Copics made by the NRC must include the copyright notice in all instances and the proprietary )

notice if the original wa3 identified as proprietary.

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i PROPRIFTARY INFOIBIATION 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.

q in order to conform to the requirements of 10CFR 2.790 of the commission's regulation concerning the [

protection of proprietary information so submitted to the NRC, the infortnation which is proprietary in the _ .f proprietary versions is contained within brackets and where the proprietary information has been deleted ,

in the non-proprietary versions on the brackets remain, the information that was 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 itein of information being identified as proprietary or in the margin opposite such information. These lower case letters refer to .the types of 1 information Westinghouse customarily hoids in confidence identified in Section (4)(ii)(a) through (4)(ii)(f) .;

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

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