ML12185A095
| ML12185A095 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 07/05/2012 |
| From: | Patrick Boyle Plant Licensing Branch II |
| To: | Ajluni M Southern Nuclear Operating Co |
| Boyle P | |
| References | |
| TAC ME7764 | |
| Download: ML12185A095 (3) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 5,2012 Mr. M. J. Ajluni Nuclear Licensing Director Southern Nuclear Operating Company, Inc.
40 Inverness Center Parkway Post Office Box 1295, Bin - 038 Birmingham, AL 35201-1295
SUBJECT:
VOGTLE ELECTRIC GENERATING PLANT, UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION, REGARDING THE 2011 STEAM GENERATOR TUBE INSPECTION
SUMMARY
FOR VOGTLE ELECTRIC GENERATING PLANT, UNIT 1 (TAC NO. ME7764)
Dear Mr. Ajluni:
By letters dated June 30, 2011 (Agencywide Documents Access and Management System Accession No. ML111820361) and September 21,2011 (ADAMS Accession No. ML112650199), Southern Nuclear Operating Company (the licensee), submitted information summarizing the results of the 2011 steam generator tube inspection performed at Vogtle Electric Generating Plant, Unit 1 during refueling outage 16. The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information provided by the licensee and determined additional information is required to complete the evaluation.
The NRC staff's request for additional information is enclosed.
Please provide a response within thirty (30) calendar days of the date of this letter.
Sincerely, Patrick G. Boyle, Project Manager Plant Licensing Branch 11-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-424
Enclosure:
Request for Additional Information cc w/encl: Distribution via Listserv
REQUEST FOR ADDITIONAL INFORMATION 2011 STEAM GENERATOR TUBE INSERVICE INSPECTION RESULTS SOUTHERN NUCLEAR OPERATING COMPANY, INC.
VOGTLE ELECTRIC GENERATING PLANT, UNIT 1 DOCKET NO. 50-424
- 1. Please discuss the scope and results of your secondary side inspections, if any. Was there any evidence of change in the region of SG 4 affected by the tube pulling operation?
- 2. On page E-2 wear due to foreign objects was observed in all SGs. However, in Table 1, there does not appear to be any wear attributed to foreign objects in SG 2. Please clarify.
- 3. Please discuss whether any foreign objectslloose parts remain in the SGs. If so, discuss whether an analysis was performed to assess their affect on tube integrity until the next inspection. Were any foreign objects/loose parts left near active tubes with wear indications attributed to those loose parts?
ENCLOSURE
ML112650199), Southern Nuclear Operating Company (the licensee), submitted information summarizing the results of the 2011 steam generator tube inspection performed at Vogtle Electric Generating Plant, Unit 1 during refueling outage 16. The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information provided by the licensee and determined additional information is required to complete the evaluation.
The NRC staff's request for additional information is enclosed.
Please provide a response within thirty (30) calendar days of the date of this letter.
Sincerely, IRA!
Patrick G. Boyle, Project Manager Plant Licensing Branch 11-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-424
Enclosure:
Request for Additional Information cc w/encl: Distribution via Listserv DISTRIBUTION:
Public RidsOgcRp Resource RidsRgn2MailCenter Resource LPL2-1 R/F RidsAcrsAcnw MailCTR Resource RidsNrrPMVogtle Resource RidsNrrDorlLpl2-1 Resource RidsNrrLASFigueroa Resource RidsNrrDeEsgb Resource AObodoako, NRR ADAMS Accession No'.. ML12185A095
'via memo dated 06/19/2012 II OFFICE NRRlLPL2-1/PM NRRlLPL2-1/LA NRRISBPB/BC NRRlLPL2-1/BC NRRlLPL2-1/PM
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PBoyle 07/05/12 SFigueroa 07/05/12 GKulesa*
06/19/12 NSalgado 07/05/12 07/05/12