NSD-NRC-97-5035, Forwards AP600 Multiple SG Tube Rupture Analysis Rept in Response to Nrc'S Containment Bypass Issue as Outlined in SECY-93-087 & Closes Dser Open Item 19.2.3.3-8 (Oits 1466). W Response to NRC RAI 440.588 (Oits 4525) Attached

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Forwards AP600 Multiple SG Tube Rupture Analysis Rept in Response to Nrc'S Containment Bypass Issue as Outlined in SECY-93-087 & Closes Dser Open Item 19.2.3.3-8 (Oits 1466). W Response to NRC RAI 440.588 (Oits 4525) Attached
ML20137F914
Person / Time
Site: 05200003
Issue date: 03/24/1997
From: Mcintyre B
WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To: Quay T
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20137F917 List:
References
NSD-NRC-97-5035, NUDOCS 9704010268
Download: ML20137F914 (2)


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(W Westinghouse Energy Systems Box 355 i PmsDorgh Pennsylvania 15230-0355 Electric Corporation NSD-NRC-97-5035 DCP/NRC0783 Docket No.: STN-52-003 March 24,1997 Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555

' ATTENTION: T. R. QUAY

SUBJECT:

AP600 MULTIPLE STEAM GENERATOR TUBE RUPTURE ANALYSIS REPORT AND RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION

Dear Mr. Quay:

Enclosure 1 of this letter provides a copy of the AP600 Multiple Steam Generator Tube Rupture Analysis Report. This final report provides an evaluation of the AP600 plant response to the rupture of multiple steam generator tubes and is prepared in response to the NRC's Containment Bypass Issue as outlined in SECY-93-087. A multiple steam generator tube rupture analysis was previously provided to the NRC via Westinghouse letter NTD-NRC-4412, dated March 3,1995. The analysis has' been updated for this final report to address NRC comments received during telecons and in request for additional information (RAI) 440.588. The submittal of this report closes, from the Westinghouse perspective, DSER Open Item 19.2.3.3-8 (OITS #1466).

Enclosure 2 provides the Westinghouse response to NRC RAI 440.588 (OITS #4525). The Westinghouse status of the OITS for item 4525 will be changed to " Closed."  ;

The NRC is expected to review the enclosures. To support the May 1997 milestone in SECY-97-051 of providing " Final SSAR Revision and Documentation", the NRC is requested to provide to Westinghouse any comments on the report by May 9,1997. The NRC is requested to inform Westinghouse of the status to be designated in the "NRC Status" column of the OITS.

Please contact Cynthia L. Ilaag on (412) 374-4277 if you have any questions concerning this transmittal.

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Brian A. McIntyre, h anag #

Advanced Plant Safety and Licensing Jml 181.HPENPMppp5 hOU Enclosures ce:

310002 W. liutTman, NRC (2 copies of Enclosures)

N. J. Liparulo, Westinghouse (w/o Enclosures)

T. T. Martin, NRC (w/o Enclosure) 9704010268 970324 PDR ADOCK 05200003:

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Enclosure 1 to Westinghouse Letter NSD-NRC-97-5035 March 24,1997 1124 A

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