ML20209J301

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Forwards Proprietary & Nonproprietary Rev 0 to CT-25266, Results of Probability Analyses of Disc Rupture & Missile Generation, to Close SER Confirmatory Item 5.W/application for Withholding.Proprietary Rept Withheld (Ref 10CFR2.790)
ML20209J301
Person / Time
Site: Beaver Valley
Issue date: 04/24/1987
From: Carey J
DUQUESNE LIGHT CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
Shared Package
ML18052B549 List:
References
2NRC-7-095, 2NRC-7-95, TAC-62888, NUDOCS 8705040257
Download: ML20209J301 (1)


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$ 2NRC-7-095 Bemr VWI No. 2 Unit Protect Organization Telecopy ( 1 3-5 Ext.160 P.O. Box 328 Apri1 24, 1987 Shippingport, PA 15077 United States Nuclear Regulatory Commission ATIN: Document Control Desk Washington, DC 20555

SUBJECT:

Beaver Valley Power Station Unit No. 2 Docket No. 50-412 Turbine Missile Report - SER Confirmatory Item #5 Gentlemen:

Please find attached proprietary and non-proprietary copies of the turbine missile probability analyses report for the partial integral low pressure rotors. FSAR Section 3.5 references this report.

As one copy of this report contains information proprietary to Westing-house Electric Corporation, it is supported by an affidavit signed by Westing-house, the owner of the information. The affidavit sets forth the basis on which the information may be withheld from public disclosure by the Commission and addresses with specificity the considerations listed in paragraph (b)(4) of Section 2.790 of the Commission's regulations. Accordingly, it is respectfully requested that the information which is proprietary to Westinghouse be withheld from public disclosure in accordance with 10CFR Section 2.790 of the Commission's regulations.

It should be noted that although this Westinghouse report indicates that the rotors are spares, they have actually been installed at Beaver Valley Unit 2.

Based on the information provided in this report and FSAR Section 3.5 Duquesne Light Company requests a closed status for Safety Evaluation Report, Confirmatory Item 5.

DUQUESNE LIGHT COMPANY By Go J.J.Carey/)

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JJS/ijr NR/JJS/TURB/MSL Attachment lf ib p AR/NAR \s cc: Mr. P. Tam, Project Manager - w/ attachment Mr. J. Beall, NRC Sr. Resident Inspector - w/o/ attachment Mr. L. Prividy, NRC Resident Inspector - w/o/ attachment Dr. Thomas E. Murley, NRC Region I - w/o/ attachment INPO Records Center' - w/ attachment 8705040257 870424 gDR ADOCK 05000412 PDR