Letter Sequence Approval |
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MONTHYEARML14135A3652014-05-0606 May 2014 Steam Generator Tube Inspection Report for the Fall 2013 Refueling Outage Project stage: Request ML14335A6062014-11-19019 November 2014 Response to Request for Additional Information Re 2013 Steam Generator Inservice Inspection Report Project stage: Response to RAI ML15072A2992015-03-16016 March 2015 Review of the Fall 2013 Steam Generator Tube Inservice Inspection Report Regarding Surry Power Station, Unit 1 Refueling Outage 25 Project stage: Approval 2014-05-06
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Similar Documents at Surry |
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Category:Letter
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[Table view] Category:Report
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ML17241A0462017-08-24024 August 2017 Submittal of Cycle 28 Startup Physics Tests Report ML17251A9002017-06-0505 June 2017 Enclosure 2, Attachment E to 17-296, WEKO-SEAL - Recommended Installation Procedures for Water and Waste-Water Piping, Miller Pipeline, Revised 03/05/17 ML16355A1722016-12-20020 December 2016 Storm Surge Technical Evaluation Report Surry Power Station Hazard Reevaluation Review ML15335A0932015-12-15015 December 2015 Staff Assessment of Information Provided Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(f) Seismic Hazard Reevaluations for Recommendation2.1 of the Near-Term Task Force Review ML15244B2052015-08-24024 August 2015 Virginia Electric and Power Company (Dominion) Surry Power Station Unit 1, Cycle 27 Startup Physics Tests Report ML15097A0782015-04-0707 April 2015 Soarca Surry 2005 Site File ML15072A2992015-03-16016 March 2015 Review of the Fall 2013 Steam Generator Tube Inservice Inspection Report Regarding Surry Power Station, Unit 1 Refueling Outage 25 ML15078A2882015-03-12012 March 2015 Engineering Evaluation 14-E15, Dominion Flooding Hazard Reevaluation Report, in Response to 50.54(F) Information Request Regarding Near-Term Task Force Recommendation 2.1: Flooding, Revision 1, Pp. 2-115 Through 2-218 2023-05-31
[Table view] Category:Miscellaneous
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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D;C. 20555-0001 . Mr. David A. Heacock President and Chief Nuclear Officer Virginia Electric and Power Company Innsbrook Technical Center 5000 Dominion Boulevard Glen Allen, VA 23060-6711 March 16, 2015
SUBJECT:
REVIEW OF THE FALL 2013 STEAM GENERATOR TUBE INSERVICE INSPECTION REPORT REGARDING SURRY POWER STATION, UNIT 1 REFUELING OUTAGE 25 (TAC NO. MF4163)
Dear Mr. Heacock:
By letter dated May 6, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14135A365), Virginia Electric and Power Company (the licensee) submitted steam generator tube inspection results from the fall 2013 inspections at Surry Power Station, Unit 1, during refueling outage 25. The licensee provided additional information in a letter dated November 19, 2014 (ADAMS Accession No. ML14335A606).
The N RC staff has completed its review of these reports and concludes that you provided the information required by your technical specifications and that no additional follow-up is required at this time. The staff's review of the reports is enclosed.
Docket No. 50-280 Sincerely, Karen Cotton Gross, Project Manager Plant Licensing Branch 11-1 Division of Operating Reactor Licensing Office of Nuclear Regulation SURRY POWER STATION, UNIT 1
SUMMARY
OF THE STAFF'S REVIEW OF THE FALL 2013 STEAM GENERATOR TUBE INSERVICE INSPECTIONS FOR REFUELING OUTAGE 25 TAC NO. MF4163 DOCKET NO. 50-280 By letter dated May 6, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14135A365}, Virginia Electric and Power Company (the licensee) submitted steam generator (SG) tube inspection results from the fall 2013 inspections at Surry Power Station, Unit 1, during refueling outage 25. The licensee provided additional information in a letter dated November 19, 2014 (ADAMS Accession No. ML14335A606).
Three replacement SGs at Surry, Unit 1, were installed in 1981. Westinghouse fabricated the replacement SGs and each SG contains 3,342 thermally treated Alloy 600 tubes. Each tube has a nominal outside diameter of 0.875 inches and a nominal wall thickness of 0.050 inches. The tubes were hydraulically expanded at both ends for the full length of the tubesheet and are supported by a number of stainless steel tube support plates. The U-bends of the tubes installed in rows 1 through 8 were thermally stress relieved after bending. The licensee provided the scope, extent, methods, *and results of their SG tube inspections in the document's referenced above. In addition, the licensee described.corrective actions (e.g., tube plugging) taken in response to the inspection findings.
After review of the information provided by the licensee, the U. S. Nuclear Regulatory Commission (NRC) staff had the following commenVobservation:
- The Surry, Unit 1, SGs have operated for 316.8 effective full power months (EFPM) since
This includes 15.9 EFPM of operation between installation and the first inservice inspection.
- Based on a review of the information provided by the licensee, the NRC staff concludes that the licensee provided the information required by their technical specifications.
The SG tube inspections at Surry, Unit 1, appear to be consistent with the objective of detecting potential tube degradation and the inspection results appear to be consistent with industry operating experience at similarly designed and operated units.
March 16, 2015 Mr. David A. Heacock President and Chief Nuclear Officer Virginia Electric and Power Company Innsbrook Technical Center 5000 Dominion Bol,.llevard Glen Allen, VA 23060-6711
SUBJECT:
REVIEW OF THE FALL 2013 STEAM GENERATOR TUBE INSERVICE INSPECTION REPORT REGARDING SURRY POWER STATION, UNIT 1 REFUELING OUTAGE 25 (TAC NO. MF4163)
Dear Mr. Heacock:
By letter dated May 6, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14135A365), Virginia Electric and Power Company (the licensee) submitted steam generator tube inspection results from the fall 2013 inspections at Surry Power Station, Unit 1, during refueling outage 25. The licensee provided additional information in a letter dated November 19, 2014 (ADAMS Accession No. ML14335A606).
The NRC staff has completed its review of these reports and concludes that you provided the information required by your technical specifications and that no additional follow-up is required at this time. The staffs review of the reports is enclosed.
Docket No. 50-280 Sincerely, /RAJ Karen Cotton Gross, Project Manager Plant Licensing Branch 11-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation cc w/encl: Distribution via Listserv DISTRIBUTION:
PUBLIC LPL2-1 R/F RidsNrrDorllpl2-1 Resource RidsNrrLASFigureoa Resource RidsNrrDirsltsb Resource RidsRgn2MailCenter Resource RidsAcrsAcnwMailCenter Resource AJohnson, NRR RidsNrrDorlDpr Resource GKulesa, NRR RidsNrrPMSurry Resource KKarwoski, NRR AHuynh, NRR ADAMS Accession Number: ML15072A299
- Concurrence by SE OFFICE NRR/LPL2-1
/PM NRR/LPL2-1/LA NRR/DE/SGTB NRR/LPL2-1
/BC NAME KCotton SFigureoa GKulesa* RPascarelli (SWilliams for) DATE 03/16/15 03/16/15 12/31/14 03/16/15 OFFICIAL RECORD COPY