ML16342D570

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Informs That Licensee 970131 Request to Withhold WCAP-11082, Rev 5,WCAP-11594,Rev 2 & WCAP-14646,Rev 1 from Public Disclosure,Per 10CFR2.790,granted
ML16342D570
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 03/13/1997
From: Steven Bloom
NRC (Affiliation Not Assigned)
To: Sepp H
WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
References
CAW-97-1066, CAW-97-1067, CAW-97-1068, NUDOCS 9703200292
Download: ML16342D570 (8)


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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 March 13, 1997 Mr. H. A. Sepp, Manager Regulatory and Licensing Engineering Westinghouse Electric Corporation Nuclear Services Division P.O.

Box 355 Pittsburgh, Pennsylvania 15230-0355

SUBJECT:

REQUEST FOR WITHHOLDING INFORMATION FROM PUBLIC DISCLOSURE (CAW-97-1068, CAW-97-1067, CAW-97-1066)

Dear Mr. Sepp:

I By WCAP-14646,rev 1 Withheld|letter dated January 31, 1997]], Pacific Gas and Electric Company submitted WCAP-11082, Revision 5, "Westinghouse Setpoint Methodology for Protection

Systems, Diablo Canyon Units 1 and 2, 24-Month Fuel Cycle Evaluation,"

WCAP-

11594, Revision 2, "Westinghouse Improved Thermal Design Procedure Instrument Uncertainty Methodology, Diablo Canyon Units 1

and 2, 24-Month Fuel Cycle Evaluation,"

and WCAP-14646, Revision 1, "Instrumentation Calibration and Drift Evaluation Process for Diablo Canyon Units 1 and 2, 24-Month Fuel Cycle Evaluation,"

and requested that these documents be withheld from public disclosure pursuant to 10 CFR 2.790.

Nonproprietary versions (WCAP-13705, Revision 4, WCAP-11595, Revision 2, and WCAP-14826, Revision 0, respectively) were also submitted for placement in the Public Document Room.

Affidavits dated January 24,

1997, from Westinghouse Electric Corporation, the owner of the information, were included in the application.

Westinghouse Electric Corporation states that the submitted information should be considered exempt from mandatory public disclosure for the following reasons:

"(a)

The information reveals the distinguishing aspects of a process (or component, structure, tool, method, etc.)

where prevention of its use by any of Westinghouse's competitors without license from Westinghouse constitutes a competitive economic advantage over

'ther companies.

(c)

Its use by a competitor would reduce his expenditure of resources or improve his competitive position in the design, manufacture, shipment, installation, assurance of quality, or licensing a

similar product."

We have reviewed your s'ubmittal and the material in accordance with the requirements of 10 CFR 2.790

and, on the basis of Westinghouse Electric Corporation statements, have determined that the submitted information sought to be withheld contains trade secrets or proprietary commercial information.

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Mr. H. A. Sepp March 13, 1997 Therefore, we have determined that the documents entitled "Westinghouse Setpoint Methodology for Protection

Systems, Diablo Canyon Units 1

and 2, 24-Month Fuel Cycle Evaluation,"

"Westinghouse Improved Thermal Design Procedure Instrument Uncertainty Methodology, Diablo Canyon Units 1 and 2, 24-Month Fuel Cycle Evaluation,"

and "Instrumentation Calibration and Drift Evaluation Process for Diablo Canyon Units 1

and 2, 24-Month Fuel Cycle Evaluation," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of

1954, as amended.

Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the documents.

If the need

arises, we may send copies of this information to our consultants working in this area.

We will, of course, ensure that the consultants have signed the appropriate agreements for handling proprietary information.

If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC.

You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of Information Act request includes your information.

In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance 'of any public disclosure.

Sincerely, Original Signed By Steven D. Bloom, Project Manager Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation cc:

See next page DISTRIBUTION:

Docket '(50-275/50-323)

PUBLIC PDIV-2 Reading JRoe EAdensam WBateman EPeyton SBloom MPSiemien

HWong, WCFO DOCUMENT NAME:

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Mr. H. A. Sepp March 13, 1997 Therefore, we have determined that the documents entitled "Westinghouse Setpoint Methodology for Protection

Systems, Diablo Canyon Units 1 and 2, 24-Month Fuel Cycle Evaluation,"

"Westinghouse Improved Thermal Design Procedure Instrument Uncertainty Methodology, Diablo Canyon Units 1

and 2, 24-Month Fuel Cycle Evaluation,"

and "Instrumentation Calibration and Drift Evaluation Process for Diablo Canyon Units 1

and 2, 24-Month Fuel Cycle Evaluation," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of

1954, as amended.

Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the documents.

If the need

arises, we may send copies of this information to our consultants working in this area.

We will, of course, ensure that the consultants have signed the appropriate agreements for handling proprietary information.

If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC.

You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of Information Act request includes your information.

In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance of any public disclosure.

Sincerely, cc:

See next page

\\

Steven D. Bloom, Project Manager Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation

Hr. H. A. Sepp 0

March 13, 1997 CC:

NRC Resident Inspector Diablo Canyon Nuclear Power Plant c/o U.S. Nuclear Regulatory Commission P. 0.

Box 369 Avila Beach; California 93424 Dr. Richard Ferguson, Energy Chair Sierra Club California 1100 11th Street, Suite 311 Sacramento, Cal iforni a 95814 Ms. Nancy Culver San Luis Obispo Mothers for Peace P. 0.

Box 164 Pismo Beach, California 93448 Chairman San Luis Obispo County Board of Supervisors Room 370 County Government Center San Luis Obispo, California 93408 Hr. Truman Burns Hr. Robert Kinosian California Public Utilities Commission 505 Van Ness, Room 4102 San Francisco, California 94102 Mr. Steve Hsu Radiologic Health Branch State Department of-Health Services Post Office Box 942732 Sacramento, California 94232 Diablo Canyon Independent Safety Committee ATTN:

Robert R. Wellington, Esq.

Legal Counsel 857 Cass Street, Suite D

Monterey, California 93940 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Harris Tower

& Pavillion 611 Ryan Plaza Drive, Suite 400 Arlington, Texas 76011-8064 Christopher J.

Warner, Esq.

Pacific Gas

& Electric Company Post Office Box 7442 San Francisco, California 94120 Hr. Robert P.

Powers Vice President and Plant Manager Diablo Canyon Nuclear Power Plant-P. 0.

Box 56 Avila Beach, California 93424 Telegram-Tribune ATTN:

Managing Editor 1321 Johnson Avenue P.O.

Box 112 San Luis Obispo, California 93406 Hr. Gregory H. Rueger Pacific Gas and Electric Company NPG Hail Code A10D P.O.

Box 770000 San Francisco, California 94177

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