ML082940031

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CFR 50.46 Annual Report of ECCS Model Revisions
ML082940031
Person / Time
Site: South Texas  STP Nuclear Operating Company icon.png
Issue date: 10/08/2008
From: Leazar D
South Texas
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
G25, NOC-AE-08002353
Download: ML082940031 (2)


Text

Nuclear Operating Company South Teas Proect Electnc Generating Station P.. Box 289 Wadsworth, Texas 77483 v

October 8, 2008 NOC-AE-08002353 File No.: G25 10 CFR 50.46 U. S. Nuclear Regulatory Commission Attention: Document Control Desk One White Flint North 11555 Rockville Pike Rockville, MD 20852-2738 South Texas Project Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 10 CFR 50.46 Annual Report of ECCS Model Revisions

Reference:

Letter from D. A. Leazar to NRC Document Control Desk, "10CFR50.46 Annual Report of ECCS Model Revisions," dated September 4, 2007 (NOC-AE-07002196, ML072570097)

Pursuant to 10 CFR 50.46(a)(3)(ii), STP Nuclear Operating Company submits this report concerning revisions to the accepted Emergency Core Cooling System evaluation model at South Texas Project (STP) Units 1 and 2.

The STP Unit 1 and Unit 2 large and small break LOCA peak clad temperatures are unchanged from those reported in the referenced report.

There are no commitments in this submittal.

If there are any questions concerning this report, please contact either Mr. Philip L. Walker at (361) 972-7298 or me at (361) 972-7795.

David A. Leazar

Manager, Fuels & Analysis PLW STI: 32366872

NOC-AE-08002353 Page 2 of 2 cc:

(paper copy)

(electronic copy)

Regional Administrator, Region IV U. S. Nuclear Regulatory Commission 612 East Lamar Blvd., Suite 400 Arlington, Texas 76011-4125 Mohan C. Thadani Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North (MS 7 D1) 11555 Rockville Pike Rockville, MD 20852 Richard A. Ratliff Bureau of Radiation Control Texas Department of State Health Services 1100 West 49th Street Austin, TX 78756-3189 C. M. Canady City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704 Senior Resident Inspector U. S. Nuclear Regulatory Commission P. 0. Box 289, Mail Code: MN1 16 Wadsworth, TX 77483 Kevin Howell Catherine Callaway Jim von Suskil NRG South Texas LP A. H. Gutterman, Esquire Morgan, Lewis & Bockius LLP Mohan C. Thadani U. S. Nuclear Regulatory Commission E. Alarcon J. J. Nesrsta R. K. Temple K. M. Polio City Public Service Jon C. Wood Cox Smith Matthews C. Kirksey City of Austin