ML20070P317

Forwards Nonproprietary & Proprietary Addl Info in Support of Westinghouse Response to RAI 952.43 on AP600 Design.Info Needed to Support Computer Model Development.Proprietary Info Withheld (Ref 10CFR9.17(a)(4))

ML20070P317
Person / Time
Site:	05200003
Issue date:	04/29/1994
From:	Liparulo N WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:	Borchardt R NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML19304C102	List: ML20070P326 NRC-94-4108, Forwards Nonproprietary & Proprietary Addl Info in Support of Westinghouse Response to RAI 952.43 on AP600 Design.Info Needed to Support Computer Model Development.Proprietary Info Withheld (Ref 10CFR9.17(a)(4))
References
NTD-NRC-94-4108, NUDOCS 9405110225
Download: ML20070P317 (4)

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A Ah w w Westinghouse Energy Systems Ba 355 Pittsburgh Pennsylvania 15230 0355 Electric Corporation NTD-NRC-94-4108 DCP/NRC0042 Docket No.: STN-52-003 April 29,199i Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555 ATTENTION: MR. R. W. BORCHARDT

SUBJECT:

ADDITIONAL INFORMATION IN SUPPORT OF WESTINGHOUSE RESPONSE TO RAI 952.43 ON THE AP600 DESIGN

Dear Mr. Borchardt:

The enclosures to this letter provide information in support of an NRC request for additional information on the AP600 (0952.43), which requests plant information needed to support computer model development.

The following information is included in the enclosures:

Enclosure 1 AP600 Feedwater a :1 Main Steam piping sketches Enclosure 2 AP600 Normal Residual Heat Removal System (RNS) system distribution and pump performance curve Enclosure 3 Passive Residual Heat Removal Heat Exchanger Assembly Drawing

! Enclosure 4 AP600 Steam Generator Spray Nozzle Detail Enclosure 5 Non-proprietary copy of materials provided in Enclosures 1 through 4 The piping sketches provided in Enclosure 1 represent preliminary routings. The details of the routing at: subject to change as a result of ongoing design activities.

This submittal contains Westinghouse proprietary information consisting of trade secrets, commercial information or financial information which we consider privileged or confidential pursuant to 10CFR9.17(a)(4). 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.

(J 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, tie

_ Office of Nuclear Regulatory Research and the necessary :nbcontractors that have signed a proprietary ._

non-disclosure agreement with Westinghouse without the expres written approval of Westinghouse.

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w w NTD-NRC-94-4108 DCP/NRC0042 April 29,1994 Correspondence with respect to the application for withholding should reference AW-94-617, 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.

Please contact Brian A. McIntyre on (412) 374-4334 if you have any questions concerning this transmittal.

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~ \ _ l,s--,.. !,f-N. J. Uparulo, Mana'ger Nuclear Safety & Regulatory Activities

/nja Enclosure Attachments cc: T. Kenyon, NRC R. Hasselberg, NRC B. A. McIntyre, Westinghouse (w/o Attachments)

L Shotkin, NRC 1674A

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COPYRIGIIT NOTICE The reports transmitted herewith each bear a Westinghouse copyright notice. ne 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

ssuance, denial, amendment, transfer, renewal, modification, suspension, revocation, or violation of a

i. cense, permit, order, or regulation subject to the requirements of 10 CFR 2.790 regarding restrictions ot public disclosure to the exte.nt such information has been identified as proprietary by Westinghouse, col.yright protection not withstanding. With respect to the non-proprietary versions of these reports, the ;4RC is permitted to make the number of copies beyond those necessary for its internal use which are nxessary in order to have one copy available for public viewing in the appropriate docket files in the ptblic 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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j PROPRIETARY INFORMATION NOTICE  :

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Transmitted herewith are proprietary and/or non-proprietary versions of documents furnished to the I 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  :

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). 'Ihe 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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