ML20040C262

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Forwards Proprietary & Nonproprietary Versions of Summary Rept:Westinghouse Reactor Vessel Level Instrumentation Sys for Monitoring Inadequate Core Cooling (Microprocessor Sys.) Proprietary Version Withheld (Ref 10CFR2.790)
ML20040C262
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 11/06/1981
From: Leasburg R
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: Clark R, Harold Denton
Office of Nuclear Reactor Regulation
Shared Package
ML20040C263 List:
References
RTR-NUREG-0737, TASK-2.F.2, TASK-TM 623, NUDOCS 8201270465
Download: ML20040C262 (2)


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VIHOINIA ELECTIllC AND POWER COMPANY ItacsM ox n, V HOINIA 20261 RECSVED j

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November 6, 1981

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N Mr. Harold R. Denton Serial No. 623 Office of Nuclear Reactor Regulation PSE&CS/DPB:fb Attention: Mr. Robert A. Clark, Chief Docket Mos.

50-338 Operating Reactors Branch No. 3 50-339 Division of Licensing License Nos. NPF-4 U.S. Nuclear Regulatory Commission NPF-7 Washington, D. C.

20555

Dear Mr. Denton:

~ NORTH ANNA POWER STATION UNIT NOS. 1 AND 2 TNI TOPIC II.F.2.3 SUPPLEMENTAL INFORMATION This letter is in response to your letter dated September 29, 1981 re-garding a supplemental information submittal for the Reactor Vessel Level Instrumentation System.

Enclosed are:

1.

One (1) copy of " Summary Report, Westinghouse Reactor Vessel Level Instrumentation System for Monitoring Inadequate Core Cooling" (Microprocessor System), December 1980 (Proprietary).

2.

One (1) copy of " Summary Report, Westinghouse Reactor Vessel Level Instrumentation System for Monitoring Inadequate Core Cooling" (Microprocessor Syst<;m), December 1980 (Non-Proprietary).

3.

One (1) copy of response to request for additional information on " Summary Report, Westinghouse Reactor Vessel level Instrumen-

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tation System for Monitoring Inadequate Core Cooling".

1 Also enclosed is one (1) copy of Application for Withholding CAW-80-76 l

(Non-Proprietary).

Additional copies of the proprietary and non-proprietary reports were provided by Westinghouse letter NS-TMA-2358, December 23, 1980.

As this submittal contains information proprietary to Westinghouse Elec-tric Corporation, it is supported by an affidavit signed by Westinghouse, the owners of the information. The affidavit sets forth the basis on

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Mr. Harold R. Denton Page 2 which the information may be withheld from public disclosure by the Com-mission and addresses with specificity the considerations listed in para-graph (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 accor-dance with 10CFR Section 2.790 of the Commission's regulations. Corres-pondence with respect to the proprietary aspects of this application for withholding or the supporting Westinghouse affidavit should reference CAW-80-76 and should be addressed to R. A. Wiesemann, Manager, Regulatory and Legislative Affairs, Westinghouse Electric Corporation, P. O. Box 355, Pittsburgh, Pennsylvania 15230.

Please advise if further information is required.

Very tru y yours, f

R. H. Leasburg Enclosures cc:

Mr. J. P. O'Reilly, Director fiRC Region II CE!!Ei]3 C 3IP """'.3E_ EEiEEEII2Y UAIS