ML20057E629
| ML20057E629 | |
| Person / Time | |
|---|---|
| Site: | 05200003 |
| Issue date: | 09/20/1993 |
| From: | Liparulo N WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| To: | Borchardt R NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML19310E874 | List: |
| References | |
| ET-NRC-93-3965, NUDOCS 9310120408 | |
| Download: ML20057E629 (2) | |
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1 Westinghouse Energy Systems hx 355 Electric Corporation Pin 2@ Pennsylvania 15230 0%5 ET-NRC-93-3%5 NSRA-APSI 93-0344 Docket No.: SrN-52 003 September 20,1993 Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555 A'ITENTION:
MR. R. W. BORCilARDT
SUBJECT:
AP600 PRA REPORTS (WCAP-13795, WCAP-13796) AND PROPRIETARY RESPONSES TO NRC REQUESTS FOR ADDITIONAL INFORMATION
Dear Mr. Borchardt:
Enclosed are copics of two Westinghouse reports documenting the AP600 PRA uncertainty analysis, and proprietary information referenced in several RAI responses pertaining to the AP600 PRA. The enclosures include:
1.
WCAP-13795, "AP600 Uncertainty Analysis " [ Proprietary].
2.
WCAP-137%, "AP600 Uncertainty Analysis," [Nca-proprietary]
3.
AP600 PRA Report, Figure F-24, %ss of Decay Heat Removal Durirg Shutdown Event Tree,"
IProprietary]
4.
"AP600 Sensitivity Analyses," July 1993 [ Proprietary]
The AP600 Sensitivity Analyses report documents the sensitivity analyses requested in RAI 720.012.
Changes have been made to Figure F-24, the loss of decay heat removal during shutdown event tr(,
as described in the response to RAls 720.185 ani 720.190.
Enclosed with Mr. Hasselberg's copy of this letter are 15 copics of WCAP-13795 and one copy of WCAP-137%, Figure F-24, and t!'e AP600 Sensitivity Analyses report.
~' 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 infor: nation wl.ich we consider privileged or confidential pursuant to 10CFR2.790. Therefore, it is requested that the Westinghouse proprietary information attached hereto be handles on a confidential basis and be withheld from nublic disclosures.
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ET-NRC-93-3%5 NSRA-APSL-93-0344 September 20,1993 This material is fcs 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 Regulation or the Office of Nuclear Regulatory Research without the express written approval of Westinghouse.
Correspondence with respect to the application for withholding shooF reference AW.93-529, and should be addressed to N. J. Liparulo, Manager of Nuclear Safety and Reguiatory 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.
yu' h N. J. Liparulo, Manager Nuclear Safety & Regulatory Activities
/nja Enclosures Attachments cc:
T. Kenyon, NRC (w/o Enclosures / Attachments)
R. Hasselberg, NRC B.A. McIntyre, Westinghouse (w/o Enclosures / Attachments)
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