ST-HL-AE-4602, Special Rept:On 931007,insp Resulted in Plugging of fifty- One Tubes Between Four Steam Generators.Reasons for Tube Plugging Summarized as Listed

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Special Rept:On 931007,insp Resulted in Plugging of fifty- One Tubes Between Four Steam Generators.Reasons for Tube Plugging Summarized as Listed
ML20058P704
Person / Time
Site: South Texas STP Nuclear Operating Company icon.png
Issue date: 10/15/1993
From: Cloninger T
HOUSTON LIGHTING & POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ST-HL-AE-4602, NUDOCS 9310250170
Download: ML20058P704 (2)
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October 15, 1993 ST-HL-AE-4602 File No.: G21.02 10CFR50.36 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 South Texas Project Unit 1 Docket No. STN 50-498 fsecial Report Regarding Pluoqino of Unit 1 Steam Generator Tubes Pursuant to the requirements of STP Technical Specifications 4.4.5.5a and 6.9.2, Houston Lighting & Power (HL&P) submits this Special Report regarding plugging of Unit 1 steam generator tubes.

HL&P completed the Fall 1993 inservice inspection of the Unit 1 steam generators on October 7, 1993. The inspection resulted in the plugging of fifty-one (51) tubes between all four steam generators. A breakdown per steam generator is provided below.

Steam Generator Tubes Plucced 1A 14 1B 14 1C 14 1D 9 The reasons for the tube plugging are summarized by the following.

Reason Number of Tubes Plucced Technical Specification Requirement 16 Preventative 30 Portion of tube pulled 4 Stabilizer insertion error 1 If there are any questions regarding this matter, please contact Mr. A. W. Harrison at (512) 972-7298 or me at (512) 972-8787.

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Mce res W n QDh ADocx 03ooo49g PDR Nucl.ar ngin ering SS/eg Project Manager on Behalf of the Participants in t South Texas P dect gl 2mn.m.<. ,

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'Ifouston Lighting & Power Company ST-HL-AE-4602

- SouttrTexas Project Electric Generating Station Fi1e No.. G21.02 Page 2 c:

Regional Administrator, Region IV Rufus S. Scott U. S. Nuclear Regulatory Commission Associate General Counsel 611 Ryan Plaza Drive, Suite 400 Houston Lighting & Power Company Arlington, TX 76011 P. O. Box 61867 Houston, TX 77208 Lawrence E. Kokajko Institute of Nuclear Power .

Project Manager Operations - Reucrds Center  !

U. S. Nuclear Regulatory Commission 700 Galleria Parkway >

Washington, DC 20555 13H15 Atlanta, GA 30339-5957 David P. Loveless Dr. Joseph M. Hendrie Sr. Resident Inspector 50 Bellport Lane c/o U.S. Nuclear Regulatory Comm. Bellport, NY 11713 P. O. Box 910 Bay City, TX 77404-910 J. R. Newman, Esquire D. K. Lacker Newman & Holtzinger, P.C., STE 1000 Bureau of Radiation Control 1615 L Street, N.W. Texas. Department of Health Washington, DC 20036 1100 West 49th Street Austin, TX 78756-3189 K. J. Fiedler/M. T. Hardt U. S. Nuclear Regulatory Comm.

City Public Service Attn: Document Control Desk l P. O. Box 1771 Washington, D.C. 20555

  • San Antonio, TX 78296 J. C. Lanier/M. B. Lee City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704 i

G. E. Vaughn/T. M. Puckett Central Power and Light Company P. O. Box 2121 Corpus Christi, TX 78403 IR- 93\ 93 26 6,001 L

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