GO2-09-103, Report of Changes and Errors Pursuant to 10 CFR 50.46

Report of Changes and Errors Pursuant to 10 CFR 50.46

ML092100494
Person / Time
Site:	Columbia
Issue date:	07/22/2009
From:	Cullen G Energy Northwest
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GO2-09-103, TAC MD9247
Download: ML092100494 (2)

Text

ENERGY Gregory V.Cullen , A, .Regulatory Programs EN ERTHT P.O. Box 968, Mail Drop PE20 P Richland, WA 99352-0968 EPh. 509-377-6105 F. 509-377-4317 gvcullen @ energy-northwest.com July 22, 2009 10 CFR 50.46(a)(3)(ii)

G02-09-103 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001

Subject:

COLUMBIA GENERATING STATION, DOCKET NO 50-397 REPORT OF CHANGES AND ERRORS PURSUANT TO 10 CFR 50.46

References:

1) Letter G02-08-033 dated February 29, 2008, DK Atkinson, Energy Northwest to NRC, "2007 Annual Operating Report" 2) Letter GO2-08-108 dated July 16, 2008, SK Gambhir, Energy- Northwest, to NRC, "License Amendment Request for Changes to Technical Specifications Involving Core Operating Limits Report and Scram Time Testing" 3) Letter.May 5, 2009, CF Lyon, NRC, to JV Parrish, Energy Northwest,"Columbia Generating Station -Issuance of Amendment Re: Core Operating Limits Report and Scram Time Testing (TAC No. MD9247)"

Dear Sir or Madam:

In accordance with 10 CFR 50.46(a)(3)(ii), Columbia Generating Station (Columbia) is required to report to the Commission, at least annually, the estimated effect on the limiting Emergency Core Cooling System (ECCS) analysis caused by changes to or errors discovered in acceptable ECCS evaluations for information.

Since the last 10 CFR 50.46 report provided to the NRC [Reference 1], Columbia loaded a new fuel type (GEl 4) and began using Global Nuclear Fuel's approved analytical methods to perform licensing calculations.

Columbia submitted a License Amendment Request (LAR) [Reference 2] to revise Technical Specification (TS) 5.6.3 to add a reference to a new analytical method to beused to determine core operating limits. The LAR was approved by the NRC in Reference

3. There have been no other changes or errors associated with the Columbia ECCS analysis since the last 1OCFR 50.46 report[Reference 1].14 Ot),ý_

REPORT OF CHANGES AND ERRORS PURSUANT TO 10 CFR 50.46 Page 2 of 2 No new regulatory commitments are made in this letter. Should you have any questions or desire additional information regarding this matter, please contact me at (509)377-6105.Respectfully, GV Cul Manager, Regulatory Programs cc: EE Collins -NRC RIV NJ DiFrancesco

-NRC NRR NRC Sr. Resident Inspector

-988C WA Horin -Winston & Strawn RN Sherman -BPA/1 399