NOC-AE-00017, Discusses Fuel Rod Internal Pressure Issue for South Tx Project
| ML20248D362 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 05/26/1998 |
| From: | Leazar D HOUSTON LIGHTING & POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| ST-NOC-AE-00017, ST-NOC-AE-17, NUDOCS 9806020405 | |
| Download: ML20248D362 (2) | |
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May 26, 1998 ST-NOC-AE-000175 File No.: G25 I
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STI: 30625615 U. S. Nuclear Regulatory Commission Attention: Do unent ControlDesk Washington, DC 20555 South Texas Project Units 1 and 2 Docket Nos. STN 50-498; STN 50-499 Eusi Rod Intes_al Pressure Inge
Reference:
(1)
Notification to Mr. Steve Sandin, NRC, from Mr. K. J. Taplett, STP Nuclear Operating Company, on October 29,1997 (EVENT # 33177)
(2)
Westinghouse Owner's Group /NRC Fuel Rod Internal Pressure Issue Meeting on November 6,1997 Per reference (1), the South Texas Project made an "information only" notification to the Nuclear Regulatory Commission (NRC) Operations Center regarding the current Westinghouse NRC approved I
methodology for determination of fuel rod internal pressure and cladding corrosion. The notification I
stated that the nrthodology was found to be not as conservative as previously believed such that the calculation of 10CFR50.46 energency core cooling system acceptance criteria (specifically the 17%
I oxidation limit) may be affected.
Regarding reference (2), Westinghouse has completed a plant-specific analysis verifying that the South Texas Project Unit 2 is in compliance with the 17% oxidation limit per 10CFR50.46. It is expected that the Westinghouse plant-specific analysis for the South Texas Project Unit I will be completed later this year prior to the estimated date when Unit I could possibly exceed the 12% oxidation screening criteria.
When completed, the results of the Unit 1 plant-specific analysis will be reported to the Nuclear Regulatory Commission. If you should have any questions conceming this matter please contact either l
Mr. K. J. Taplett at (512) 972-8416 or nr at (512) 972-7795.
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PDR ADOCK 05000498 PDR D. A. Izazar
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' NOC-AE-000175 File No.: G25 Page 2 g
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z Ellis W. Merschoff Jon C. Wood Regional Administrator, Region IV, Matthews &. Branscomb U. S. Nuclear Regulatory Commission One Alamo Center 611 Ryan Plaza Drive, Suite 400 -
106 S.'St. Mary's Street, Suite 700 Arlington, TX 76011-8064 San Antonio,TX 78205-3692 Thomas W. Alexion Iristitute of Nuclear Power Project Manager, Mail Code 13H3 Operations - Records Center U. S. Nuclear Regulatory Commission 700 Galleria Parkway Washington, DC 20555-0001 Atlanta, GA 30339-5957 David P. Loveless' Richard A.Ratliff Sr. Resident Inspector Bureau of Radiation Control c/o U. S. Nuclear Regulatory Commission Texas Department of Health P. O. Box 910 1100 West 49th Street Bay City, TX 77404-0910 Austin, TX 78756-3189 l
J. R. Newman, Esquire D. G. Tees /R. L. Balcom
. Morgan, Lewis & Bockius Houston Lighting & Power Co.
P.O.Boxl'/00 1800 M. Street, N.W.
Washington, DC 20036-5869 Houston,TX 77251
~ M. T. Hardt/W. C. Gunst Central Power and Light Company City Public Service-ATTN: G. E. Vaughn/C. A. Johnson P. O. Box 1771 -
P. O. Box 289, Mail Code: N5012' San Antonio,TX 78296 Wadsworth,TX 77483 A. Ramirez/C. M. Canady
~ City of Austin
. Electric Utility Department 721 Barton Springs Road-
' Austin,TX 78704 1
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