ML19331E153

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Forwards Amends 8,8 & 5 to Licenses DPR-38,DPR-47 & DPR-55, Respectively,Safety Evaluation & Notice of Issuance & Availability
ML19331E153
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 07/16/1975
From: Purple R
Office of Nuclear Reactor Regulation
To: Thies A
DUKE POWER CO.
Shared Package
ML19331E154 List:
References
NUDOCS 8009050564
Download: ML19331E153 (2)


Text

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-6 UZlTED STATES N U C t.E A R REGULATORY COMMISSION W ASHINGTO N. D. C. 2055 5 July 16, 1975 Docket Nos. 50-269 50-270 and 50-287 Duke Power Company AT1H: Mr. Austin C. Thies Senior Vice President 422 South Church Street Post Office Box 2178 Charlotte, North Carolina 28201 Gentlemen:

The Commission has issued the enclosed Amendment No. 8, Technical Speci-fication Change No. 18 for License No. DPR-38; Amendment No. 8, Technical Specification Change No. 13 for License No. DPR-47; and Amendment No. 5, Technical Specification Change No. 5 for License No. DPR-55, for the Oconee Nuclear Station, Units 1, 2, and 3.

These amendments are in response to your request dated May 9, 1975.

These amendments (1) modify the rod withdrawal limit curves to include limitations associated with maintaining potential ejected control rod worth within previously established limits (including following control rod interchange) and limitations associated with maintaining shutdown margin, (2) delete the separate specification on maximum inserted control rod worths, but include the limits and bases therefor in (1) above, (3) incorporato an additional restriction on the regulating control rod positions prior to criticality to assure that the ejected rod worth does not exceed l*s delta k/k at hot :ero power, and (4) permit the rod with-drawal limit curves associated with ejected rod limits to be exceeded for a maximum period of two hours, provided that shutdown margin require-m9nts are maintained and corrective measures are taken immediately to achieve a rod pattern consistent with the limit curves.

Copies of the related Safety Evaluation and the Federal Register Notice are also enclosed.

Sincerely, Robert A. Purple, Chief Operating Reactors Branch #1 Division of Reactor Licensing

Enclosures:

1.

Amendment No. 8 to DPR-38 2.

Amendment No. 8 to DPR-47 3.

Amendment No. 5 to DPR-55 4.

Safety Evaluation S.

Federal Register Notice 80og050 h Y

Duke Power Company July 16, 1975 cc w/ enclosures:

Mr. William L. Porter Duke Power Company P. O. Box 2178 422 South Church Street Charlotte, North Carolina 28201 Mr. Troy B. Conner Conner, Hadlock & Knotts 1747 Pennsylvania Avenue, NW Washington..D. C.

20006 Oconee Public Library 201 South Spring Street Walhalla, South Carolina 29691 Honorable Reese A. Hubbard County Supervisor of Oconee County Walhalla, South Carolina 29621 cc v/ enclosures & incoming:

Mr. Elmer Whitten State Clearinghouse Office of the Covernor Division of Administration 1295 Pendleton Street 4th Floor Columbia, South Carolina 29201 Mr. Dave Hopkins Environmental Protection Agency 1421 Peachtree Street, NE Atlanta, Ceorgia 30309

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