ML17059A902

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Informs That Documentation Submitted Supporting Plant Core Shroud Repair Will Be Withheld from Public Disclosure (Ref 10CFR2.790),per 950331 Application
ML17059A902
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 08/14/1995
From: Edison G
NRC (Affiliation Not Assigned)
To: Sylvia B
NIAGARA MOHAWK POWER CORP.
References
TAC-M91273, NUDOCS 9508180076
Download: ML17059A902 (8)


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D~ '4kVQ UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 2055&4001 August 14, 1995 Mr. B. Ralph Sylvia Executive Vice President, Nuclear Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station P.O.

Box 63

Lycoming, NY 13093

SUBJECT:

REQUEST FOR WITHHOLDING INFORMATION FROM PUBLIC DISCLOSURE NINE MILE POINT NUCLEAR STATION UNIT NO.

1 (TAC NO. M91273)

Dear Mr. Sylvia:

By your application dated March 31,

1995, and affidavit dated March 29,
1995, by George W. Stramback of General Electric Company, you submitted

, documentation supporting the Nine Mile Point Nuclear Station Unit No.

1 core shroud repair.

The letter included attachments 1, 2, and 3 which were described as excerpts from Design Record File (DRF) B13-01739, an evaluation of shroud stiffness with weld H7 cracked and uncracked, and additional shroud stiffness calculations for postulated H2/H3 weld failures, respectively.

This information includes backup data and input for "Nine Mile Point Unit 1 Shroud Repair Hardware Stress Analysis," GE-NE-B13-01739-04, Revision 0.

This package also includes data and analysis used in GE-NE-B13-01739-04, Supplement 1 to Nine Mile Shroud, February 24, 1995.

GE stated that the submitted information should be considered exempt from mandatory public disclosure for the following reasons:

a.

Information that discloses a process,

method, or apparatus, including supporting data and analyses, where prevention of its use by General Electric's competitors without license from General Electric constitutes a competitive economic advantage over other companies; b.

Information which, if used 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 of a similar product.

We have reviewed your application and the material in accordance with the requirements of 10 CFR 2.790

and, on the basis of your statements, have determined that the submitted information sought to be withheld contains proprietary -commercial information.

Therefore, the version(s) of the submitted information marked as proprietary will be'withheld from the public disclosure pursuant to 10 CFR 2.790(b)(5) and t

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B. Sylvia Section 1039b) of the Atomic Energy Act of 1954, as amended.

A nonproprietary version was submitted by letter dated April 21, 1995.

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

If the need

arise, we may send copies of this information to our consultants wor king in this are.

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 also should 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 makes a

determination adverse to the above, you will be notified in advance of nay public disclosure.

Sincerely, Docket No. 50-220 cc:

See next page Gordon E. Edison, Senior Project Hanager Project Directorate I-l

'ivision of Reactor Projects - I/II Office of Nuclear Reactor Regulation

B. Ralph Sylvia Niagara Mohawk Power Corporation CC:

Nine Mile Point Nuclear Station Unit No.

1 Mark J. Wetterhahn, Esquire Winston 5 Strawn 1400 L Street, NW Washington, DC 20005-3502 Supervisor Town of Scriba Route 8, Box 382

Oswego, NY 13126 Mr. Louis F. Storz Vice President - Nuclear Generation Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station P.O.

Box 63

Lycoming, NY 13093 Resident Inspector U.S. Nuclear Regulatory Commission P.O.

Box 126

Lycoming, NY 13093 Gary D. Wilson, Esquire Niagara Mohawk Power Corporation 300 Erie Boulevard West
Syracuse, NY 13202 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Mr. F. William Valentino, President New York State
Energy, Research, and Development Authority 2 Rockefeller Plaza
Albany, NY 12223-1253 Hr. Richard B. Abbott Unit 1 Plant

~ Manager Nine Mile Point Nuclear Station.

P.O.

Box 63

Lycoming, NY 13093 Ms. Denise J. Wolniak Manager Licensing Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station P.O.

Box 63

Lycoming, NY 13093 Char les Donaldson, Esquire Assistant Attorney General New York Department of Law 120 Broadway New York, NY 10271 Mr. Paul D.

Eddy State of New York Department of Public Service Power Division, System Operations 3 Empire State Plaza

Albany, NY 12223 Mr. Martin J.

McCormick, Jr.

Vice President Nuclear Safety Assessment and Support Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station P.O.

Box 63

Lycoming, NY 13093

~.

B. Sylvia Section 1039b) of the Atomic Energy Act of 1954, as amended.

A nonproprietary version was submitted by letter dated April 21, 1995.

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

If the need

arise, we may send copies of this information to our consultants working in this are.

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 also should 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 makes a

determination adverse to the above, you will be notified in advance of nay public disclosure.

Sincerely, Original signed by:

Gordon E. Edison, Senior Project Manager Project Directorate I-1 Division of Reactor Projects I/II Office of Nuclear Reactor Regulation Docket No. 50-220

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See next page Distribution:

Docket File PUBLIC PDI-1 Reading SVarga JZwolinski LMarsh SLittle GEdison M. P. Siemien, OGC CCowgill, RGN-I DOCUMENT NAME:

G: iNMPI'II,AN191273. PRO To receive e copy of this doc ment, Indlcete In the box: "

~ Copy without enclosures "E" ~ Copy with enclosures "N" ~ No copy SLittl NAME OFFICE LA:PDI-1 PH: PDI-1 GEdi son:

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