ML031490399

Thirty-Day Report of Changes in Emergency Core Cooling System Models Per 10 CFR 50.46 for Palisades Nuclear Plant

ML031490399
Person / Time
Site:	Palisades
Issue date:	05/15/2003
From:	Cooper D Nuclear Management Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML031490399 (3)

Text

Commotted to NuclearExcellence Palisades Nuclear Plant Operated by Nuclear Management Company, LLC May 15, 2003 10 CFR 50.46 U S Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 PALISADES NUCLEAR PLANT DOCKET 50-255 LICENSE No. DPR-20 THIRTY-DAY REPORT OF CHANGES IN EMERGENCY CORE COOLING SYSTEM MODELS PER 10 CFR 50.46 Nuclear Management Company, LLC, is submitting a 30-day report of changes in emergency core cooling system (ECCS) models for the Palisades Nuclear Plant. The report is submitted in accordance with 10 CFR 50.46(a)(3)(ii) as a significant change in peak cladding temperature (> 50 F). The report contains the small break loss-of-coolant accident ECCS evaluation model results for fuel cycle 17, which began on April 20, 2003, performed with a new methodology by Framatome Advanced Nuclear Power, Inc.

SUMMARY

OF COMMITMENTS This letter contains the no new commitments and no revisions to existing commitments.

Douglas E. Cooper Site Vice-President, Palisades CC Regional Administrator, USNRC, Region III Project Manager, USNRC, NRR NRC Resident Inspector - Palisades Attachment 27780 Blue Star Memorial Highway

• Covert, Michigan 49043-9530 Telephone: 269.764.2000

ATTACHMENT 1 NUCLEAR MANAGEMENT COMPANY PALISADES NUCLEAR PLANT DOCKET 50-255 May 15, 2003 THIRTY-DAY REPORT OF CHANGES IN EMERGENCY CORE COOLING SYSTEM MODELS PER 10 CFR 50.46 1 Page Follows

THIRTY-DAY REPORT OF CHANGES IN EMERGENCY CORE COOLING SYSTEM MODELS PER 10 CFR 50.46 The peak cladding temperature (PCT) for the small break loss-of-coolant (SBLOCA) analysis for Palisades was 2063 F, as previously reported by Nuclear Management Company, LLC on December 17, 2002. Westinghouse Electric Company, LLC performed the previous analysis. Framatome Advanced Nuclear Power, Inc. performed the SBLOCA analysis for fuel cycle 17 at Palisades Nuclear Plant, which began on April 20, 2003, using a new methodology as approved by the NRC on March 15, 2001.

The resulting PCT is 1465°F and is reported in Reference 1.

Reference:

1. EMF-2889, Revision 0, Palisades Small Break LOCA Analysis, Framatome Advanced Nuclear Power, Inc., January 2003.

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