ML20004E596
| ML20004E596 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 06/05/1981 |
| From: | Oprea G HOUSTON LIGHTING & POWER CO. |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, ST-HL-AE-678, NUDOCS 8106120375 | |
| Download: ML20004E596 (2) | |
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i The Light COE%f Houston Lighting & Power P.O. Box 1700 Houston, Texas 77001 (713) 228-9211 June 5, 1981 ST-HL-AE-678 SFN:
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Mr. Karl Seyfrit Director, Region IV J.,
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Nuclear Regulatory Commission
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611 Ryan Plaza Drive, Suite 1000 JUN 111981 * --
(h "'4ggrou Arlington, Texas 16012 s
Oear Mr. Seyfrit:
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South Texas Project Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 First Interim Reoort Concerning Computer Procram Verification On May 8, 1981, Houston Lighting & Power Company, oursuant to 10CFR50.55(e), notified your office of an iten concerning computer program (code) verification. The verification methods lack adequate visibility to the user as to whether or not the program versions in use have been verified.
An assessment of computer codes used on the South Texas Project is in progress. This assessment includes a review of the comDuter program verification reports (CPVR) to evaluate the qualification of the computer codes used on the South Texas Project and a review of calculations for aooropriate application of computer codes. To date, there has been no technical inadequacy identified in the use of computer programs which would preclude the safe operations of the plant. The next interim report concerning this item will be submitted to your office by August 28, 1981.
If you have any questions concerning this item, please contact Mr. Michael E. Powell at (713) 676-8592.
Very truly yours, a
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G. W. Oprea, Jr.
Executive Vice President MEP/amj l
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Houston Lighting & Power Company cc:
J. H. Goldberg June 5, 1981 D. G. Barker ST-HL-AE-678 C. G. Robertson SFN: V-0530 Howard Pyle Page 2 R. L. Waldrop H. R. Dean D. R. Beeth J. D. Parsons L. K. English J. W. Briskin R. A. Frazar STP RMS H. S. Phillips (NRC)
J. O. Read (Read-Poland,Inc.)
M. D. Schwarz (Baker & Botts)
R. Gordon Gooch (Baker & Botts)
J. R. Newman (Lowenstein, Newman, Reis, & Axelrad)
Director, Office of Inspection & Enforcement Nuclear Regulatory Commission Washington, D. C. 20555 M. L. Borchelt Charles Bechhoefer, Esauire President Chairman, Atomic Safety & Licensing Board Central Power & Light Company U. S. Nuclear Regulatory Commission P. O. Box 2121 Washington, D. C.
20555 Corpus Christi, Texas 78403 R. L. Range Dr. James C. Lamb, III Central Power & Light 313 Woodhaven Road P. O. Box 2121 Chapel Hill, North Carolina 27514 Corpus Christi, Texas 78403 R. L. Hancock Mr. Ernest E. Hill Director of Electrical Utilities Lawrence Livermore Laboratory City of Austin University of California i
P. O. Box 1088 P. 0. Box 808, L-123 Austin, Texas 78767 Livermore, California 194550 l
T. H. Muehlenbeck William S. Jordan, III l
City of Austin Harmon & Weiss l
P. O. Box 1088 1725 I Street, N. W.
Austin, Texas 78767 Suite 506 Washington, D. C.
20006 J. B. Poston Robert Hager, Esquire Assistant General Manager of Operations Citizens Concerned About Nuclear Power City Public Service Board 5106 Casa Oro P. O. Box 1771 San Antonio, Texas 78233 San Antonio, Texas 78296 A. vonRosenberg Lanny Sinkin City Public Service Board 2207-0, Nueces P. O. Box 1771 Austin, Texas 78705 San Antonio, Texas 78296 l
Brian E. Berwick, Esquire Jay Gutierrez, Esquire Assistant Attorney for the State of Texas Hearing Attorney P. O. Box 12548 Office of the Executive Legal Director Capitol Station U. S. Nuclear Regulatory Conmission i
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