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
| ML20058P704 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| 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) | |
Text
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llouston Lighting & Power 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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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.
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S.
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K.
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T.
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O.
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B.
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