ML20058P683

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Corrects Ltr Forwarding Amends 144 & 125 to Licenses DPR-77 & DPR-79,respectively.Fuel Assembly Enrichment,Burnup & Boron Values Corrected
ML20058P683
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 08/01/1990
From:
Office of Nuclear Reactor Regulation
To: Kingsley O
TENNESSEE VALLEY AUTHORITY
Shared Package
ML20058M769 List:
References
TAC-76074, TAC-76075, TAC-76774, TAC-76775, NUDOCS 9008170273
Download: ML20058P683 (2)


Text

5 ENCLOSURE __

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UmTED 8 TATE 8 NUCLEAR REGULATORY COMMISSION

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n WASHINGTON D.C.30008 August 1, 1990 Docket Nos. 50-327-and 50-328 Mr. Oliver D. Kingsley, Jr.

Senior Vice President, Nuclear Power Tennessee Valley Authority 6N 38A Lookout Place i

1101 Market Street Chattanooga, Tennessee 37402-2801

Dear Mr. Kingsley:

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SUBJECT:

INCREASE FUEL ENRICHMENT TO 5.0 wGHT PERCENT (TAC NOS. 76074, L

76075, 76774, 76775) (TS 90-12) - SEQUOYAH NUCLEAR PLANT, UNITS 1 AND 2 1

The Commission has issued the enclosed Amendment No.144 to facility Operating License No. DPR-77 and Amendment No.125 to Facility Operating License No. DPR-79 for the Sequoyah Nuclear Plant Units 1 and 2, respectively.

These amendments are in response to your application dated May 4,1990.

The amendments modify the Sequoyah Nuclear Plant, Units 1 and 2, Technical Specifications (TSs) to increase the maximum enrichment of fuel allowed on the site from 4.0 to 5.0 weight percent (w/o) Uranium 235. Changes have been made to Section 5.0, Design Features, and Surveillance Requirement'4.9.1.4 on the boron concentration in the spent fuel storage pool has been added to the TSs. As stated in TS 5.6.1.2, new fuel with an enrichment greater than 4.5 weight percent may not be stored in the new fuel pit storage racks. This fuel may, based on these amendments, be stored in the spent fuel pool storage racks. Fuel assemblies with enrichments greater than 4.0 w/o and burnups itss than 7500 MWD /HTU may be placed in spent fuel pool storage rack locations that face adjacent cells filled with water or fuel assemblies with at least 22,000 MWD /MTU of burnup. This amendment is based on the criticality analysis for the spent fuel storage pool which was submitted in your letter dated February 14, 1990.

A copy of the Safety Evaluation is also enclosed. Notice of Issuance will be included in the Commission's biweekly "deral Register notice.

l 9008170273 900810 i

PDR ADOCK 05000327 P

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,s CORRECTED PAGES 4

FACILITY OPERATING LICENSE NO. DPR-77 DOCKET N0. 50-327 Revise the Appendix A Technical Specifications by removing the pages identified below and' inserting the enclosed pages. The revised pages are identified by the captioned amendment number and contain marginal lines indicattag the area of change.

REMOVE INSERT 3/4 3-63 3/4 3-63 3/4 9-1 3/4 9-1 I-

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