ML20010A253

First Interim Deficiency Rept Re Closure Problems W/ Westinghouse Electro-Mechanical Div Mfg Gate Valves, Initially Reported on 810702.Westinghouse Performing Evaluation Program.Status Rept Scheduled for 811218

ML20010A253
Person / Time
Site:	South Texas
Issue date:	07/29/1981
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-706, NUDOCS 8108110229
Download: ML20010A253 (2)

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July 29, 1981 ST-HL-AE-706 SFN: V-0530 Mr. Karl Seyf rit y Director, Region IV /J Nuclear Regulatory Commission Q [,3.

611 Ryan Plaza Drive, Suite 1000 i ., %g s Arlington, Texas 76012 q'a 3/

Dear Mr. Seyfrit:

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c;uth Texas Project Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 First Interim Report Concerning.

Westinghouse EMD Gate Valves On July 2, 1981, pursuant to 10CFR50.SS(e), Houston Lighing & Power Company, notified your office of an item concerning closure problems with Westinghouse (W) Electro-Mechanical Division (EMD) manufactured gate valves.

Westinghouse is currently performing an evaluation program which includes analyses and flow tests perforued in a hydraulic test laboratory. The subject valves will be modified based on the results of the evaluation to assure that the funcutonal requirements for the subject valves are met. The W schedule for this evaluation identifies that operating plants will be evalaated on a priority basis and all other plants (i.e. those under construction) will be evaluated once the evaluation for operating plants is complete. The current schedule identifies that the valve models utilized on the South Texas Project (STP) will be evaluated during the final quarter, 1981. A status report concerning this iten will be submitted to your office by December 18, 1981.

If there are any questions concerning this matter, please contact Mr.

Michael E. Powell at (713) 676-8592.

Very truly yours, t

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Exec ive C ce President MEP/amj 8108110229 810729 PDR ADOCK 05000 S

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Houston Lighting & Power Ccmpany cc: J. H. Goldberg July 29,1981 J. G. Dewease ST-HL-AE-706

0. G. Barker SFN: V-0530 C. G. Robertson Page 2 Howard Pyle R. L. Waldrop H. R. Dean D. R. Beetn J. D. Parsons e

J. W. Williams J. W. Briskin J. E. Geiger 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, Of'. ice of Inspection & Enforcement Nuclear Regulatory Commission Washington, D. C. 20555 R. L. Range /G. W. Muench Charles Bechhoefer, Esquire Central Power & Light Company Chairman, Atomic Safety & Licensing Board P. O. Box 2121 U. S. Nuclear Regulatory Comnission Corpus Christi, Texas 72403 Washington, D. C. 20555 R. L. Hancock/G. Pokorny Dr. James C. Lamb, III City of Austin 313 Woodhaven Road P. O. Box 1088 Chapel Hill, North Carolina 27514 Austin, Texas 78767 J. B. Poston/A. vonRosenberg Mr. Ernest E. Hill City Public Service Board Lawrence Livermore Laboratory P. O. Box 1771 University of California San Antonio, Texas 78296 P. O. Box 808, L-46 Livermore, California 94550 Brian E. Berwick, Esquire William S. Jordan, III Assistant Attorney for the State of Texas Harnon & Weiss P. O. Box 12548 1725 I Street, N. W.

Capitol Station Suite 506 Austin, Texas 78711 Washington, D. C. 20006 Lanny Sinkin Citizens for Equitable Utilities,.ync.

Citizens Concerned About Nuclear Power c/o Ms. Peggy Buchorn 5106 Casa Oro Route 1, Box 1684 San Antonio, Texas 78233 Brazoria, Texas 77422 Jay Gutierrez, Esquire Hearing Attorney Office of the Executive Legal Director O. S. Nuclear Regulatory Commission Washington, D. C. 20555 Revision Date 7-28-81