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MONTHYEARML0623604652006-05-0909 May 2006 Duke Power Oconee Unit 3R EOC22 ECT Examination Status Report, Enclosure 2 to 05/09/2006 Meeting Summary for Conference Call Spring 2006 Steam Generator Inspection at Oconee, Unit 3 Project stage: Meeting ML0623602172006-05-0909 May 2006 Steam Generator Tube Inspection Discussion Points, Enclosure 1 to 05/09/2006 Meeting Summary for Conference Call Spring 2006 Steam Generator Inspection at Oconee, Unit 3 Project stage: Meeting ML0623404902006-11-28028 November 2006 Meeting Summary, Spring 2006 Steam Generator Inspection Project stage: Meeting 2006-11-28
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Category:Meeting Summary
MONTHYEARML23118A2852023-05-0202 May 2023 Public Meeting Summary - 2022 Annual Assessment Meeting Regarding Catawba Nuclear Station, McGuire Nuclear and Oconee Nuclear Station ML22200A0772022-08-0808 August 2022 SLRA - Summary of July 14, 2022 and July 28, 2022 Public Meetings ML22193A0182022-07-18018 July 2022 SLRA - Summary of June 30, 2022 Public Meeting ML22129A0062022-05-10010 May 2022 Summary of April 20, 2022, Meeting with Duke Energy Progress, LLC, to Discuss Proposed License Amendment Request to Revise Reactor Coolant System Pressure Isolation Valve Operational Leakage Surveillance Requirement Frequency (L-2022-LRM 00 ML22124A2052022-05-0404 May 2022 Summary of May 4, 2022, Clarification Call with Duke Energy Carolinas, LLC, Application to Revise TS 3.7.7, Low Pressure Service Water (LPSW) System ML22130A0122022-05-0404 May 2022 SLRA - Summary of April 28, 2022 Public Meeting ML22075A2042022-04-0505 April 2022 SLRA - Summary of March 7, 2022 Public Meeting ML22084A6142022-04-0404 April 2022 SLRA - Summary of March 16, 2022 (Closed Public Meeting) ML22094A1112022-04-0404 April 2022 Public Meeting Summary 2021 Annual Assessment Meeting Catawba Dockets Nos. 50-413 and 50-414; McGuire No. 50-369 and 50-370; Oconee. 50-269, 50-270, and 50-287 ML22063A1162022-03-0808 March 2022 SLRA - Summary of Public Meeting Dated February 17, 2022 ML21341A5542021-12-29029 December 2021 Summary of November 29, 2021, Meeting with Duke Energy Progress, LLC and Duke Energy Carolinas, LLC to Discuss a Planned License Amendment Request to Relocate ML21348A5452021-12-14014 December 2021 December 13, 2021, Clarification Call Summary Use of an Alternative to the ASME Code Case N-853 Acceptance Criteria ML21279A1542021-11-0808 November 2021 August 25, 2021, Oconee Nuclear Station, Units 1, 2, and 3 Subsequent License Renewal Application Public Environmental Scoping Meeting Summary Memo ML21279A1192021-08-25025 August 2021 August 25, 2021, Oconee Nuclear Station, Units 1, 2, and 3 Subsequent License Renewal Application Public Environmental Scoping Meeting Summary ML21195A2712021-07-14014 July 2021 Meeting Summary: Pre-Submittal Meeting for the Oconee Subsequent License Renewal Application (EPID Number: L-2020-RNW-0028) (Docket Numbers: 50 269, 50-270, and 50-287) - Summary ML21195A2692021-07-14014 July 2021 Meeting Summary: Pre-Submittal Meeting for the Oconee Subsequent License Renewal Application (EPID Number: L-2020-RNW-0028) (Docket Numbers: 50 269, 50-270, and 50-287) - Memo ML21102A0612021-04-27027 April 2021 April 14, 2021, Meeting Summary Regarding Pre-Application Meeting to Discuss Proposed Relief Request Related to Code Case N-853 ML21099A0932021-04-0909 April 2021 Public Meeting Summary - 2020 Annual Assessment Meeting Regarding Catawba, McGuire, and Oconee Nuclear Stations ML20266G2192020-11-0303 November 2020 Regulatory Audit Report Regarding License Amendment Request to Revise the Licensing Basis for High Energy Line Breaks Outside of the Containment Building ML20141L4172020-05-20020 May 2020 EOC Public Meeting Summary ML19331A5202019-12-12012 December 2019 Summary of Meeting with Duke Energy Carolinas, LLC to Discuss Submitted License Amendment Request for Oconee Nuclear Station, Units 1, 2, and 3 Regarding High Energy Line Break Licensing Basis ML19220A6702019-08-26026 August 2019 Summary of August 7, 2019, Meeting with Duke Energy Progress, LLC and Duke Energy Carolinas, LLC to Discuss a Proposed License Amendment Request for a Common Emergency Plan ML19207A0172019-07-30030 July 2019 Summary of Meeting with Duke Energy Carolinas, LLC to Discuss Proposed License Amendment Request for Oconee Nuclear Station, Units 1, 2, and 3 Regarding High Energy Line Break Licensing Basis ML19102A3352019-04-12012 April 2019 Public Meeting Summary - Oconee Nuclear Station Docket Nos. 50-269, 50-270, and 50-287 ML19087A0622019-04-11011 April 2019 Summary of March 25, 2019, Public Teleconference with Duke Energy to Discuss the Request for Additional Information Response Regarding the Proposed Alternative to the Depth Sizing Qualification Requirement (Duke Energy Fleet Relief Request ML18227B2122018-09-0505 September 2018 Summary of August 1, 2018, Meeting with Duke Energy Carolinas, LLC to Discuss Proposed License Amendment Request for Oconee Nuclear Station, Units 1, 2, and 3 Regarding Tornado Mitigation Licensing Basis ML18134A2292018-05-14014 May 2018 Summary of April 26, 2018, Public Teleconference with Duke Energy Carolinas, LLC to Discuss Proposed License Amendment and 3 Regarding Technical Specification 3.8.1 ML18082A1082018-03-29029 March 2018 Summary of February 28, 2018, Meeting with Duke Energy Carolinas, LLC to Discuss Proposed LAR Regarding Tornado Mitigation Licensing Basis ML18082A0582018-03-23023 March 2018 Summary of Meeting with Oconee Nuclear Station to Discuss Annual Assessment of Oconee for the Period of January 01, 2017 - December 31, 2017 ML17179A3472017-07-18018 July 2017 Summary of Meeting with Duke Energy Carolinas, LLC to Discuss Proposed License Amendment Request for Oconee Nuclear Station, Units 1, 2, and 3 Regarding Thermal Margin for the Standby Shutdown Facility ML17103A0292017-04-13013 April 2017 Summary of Meeting to Provide Opportunities to Discuss Annual Assessment of Oconee Nuclear Station Units 1, 2 and 3 ML16166A4022016-06-27027 June 2016 Summary of November 18, 2015, and December 15, 2015, Meetings with Duke Energy Carolinas, LLC to Discuss a Proposed Relief Request in Accordance with 10 CFR 50.55a(z) for the Oconee Nuclear Station, Units 1, 2, and 3 ML16132A4352016-05-20020 May 2016 Summary of October 13, 2015, Meeting with Duke Energy Carolinas, LLC to Discuss Proposed LAR to Support Keowee Dam Stator Replacement ML15161A4312015-06-19019 June 2015 Summary of Meeting with Duke Energy Carolinas, LLC, to Discuss Ongoing Major Projects at Oconee Nuclear Station, Units 1, 2 and 3 ML15089A1642015-04-27027 April 2015 Summary of February 25, 2015, Partially Closed Meeting with Industry Stakeholders Regarding the Babcock and Wilcox Loss of Coolant Accident Evaluation Model Analysis ML15113A6262015-04-23023 April 2015 April 14, 2015 Summary of Public Meeting on Oconee Nuclear Station, Units 1, 2 and 3 to Discuss the Annual Assessment ML14356A0052014-12-31031 December 2014 Summary of December 3, 2014, Category 1 Public Meeting with Duke Energy Carolinas, LLC to Discuss NTTF Recommendation 2.1, Flooding Response for Oconee Nuclear Station, Units 1, 2, and 3 ML14147A3652014-05-27027 May 2014 Annual Assessment Public Meeting Summary Memo ML14069A3492014-03-13013 March 2014 Summary of Meeting with Duke Energy Carolinas, LLC, to Discuss Ongoing Major Projects at Oconee Nuclear Station, Units 1, 2, and 3 ML13336A5982013-12-0404 December 2013 Summary of Meeting with Duke Energy Carolinas, LLC, to Discuss the Proposed One-time TS Completion Time Change to Perform Khu Generator Field Pole Rewind Maintenance - Oconee Nuclear Station Units 1, 2, and 3 (TAC Nos. ME9021, ME9022, and M ML13312A9882013-11-0808 November 2013 Summary of Public Meeting with Duke Energy Carolinas, LLC, to Provide Opportunities to Discuss the Planned Fukushima-Related Modifications ML13281A5412013-10-21021 October 2013 9/24/2013 - Oconee Nuclear Station, Units 1, 2, and 3, Summary of Meeting with Duke Energy Carolinas, LLC, to Discuss the Jocassee Dam Seismic Analysis ML13281A6972013-10-21021 October 2013 10/3/13 Summary of Meeting with Duke Energy Carolinas, LLC to Discuss the Protected Service Water System Operation - Oconee Nuclear Station Units 1, 2, and 3 (TAC Nos. ME7737, ME7738, ME7739, ME7746, ME7747, and ME7748) ML13241A4482013-08-29029 August 2013 August 28, 2013 Summary of Public Meeting - Major Projects Status Meeting with Oconee ML13225A2932013-08-12012 August 2013 7/23-24/2013, Summary of Meeting 2013 U.S. Nuclear Regulatory Commission (NRC) Initial Exam Writers' Workshop ML13134A5232013-05-14014 May 2013 5/9/2013 Summary of Public Meeting with Duke Energy Corp., Oconee Nuclear Station to Provide Opportunities to Discuss the Annual Assessment for the Year 2012 ML13122A1912013-05-0606 May 2013 Summary of 04/10/13, Meeting with Duke Energy Carolinas, LLC, to Discuss Milestones Related to an Apparent Violation of License Conditions on Fire Protection (EA-13-010) ML13122A4362013-05-0606 May 2013 Summary of April 9, 2013, Meeting with Duke Energy Carolinas, LLC, to Discuss the Re-evaluation of External Flooding for Oconee Nuclear Station, Units 1, 2, and 3 ML13092A3632013-04-0404 April 2013 3/25/2013 - Oconee Nuclear Station, Units 1, 2, and 3 - Summary of Meeting with Duke Energy Carolinas, LLC, to Discuss the Flood Hazard Reevaluation Report ML13072A4262013-03-18018 March 2013 3/5/13 Summary of Meeting with Oconee Nuclear Station, Units 1, 2, and 3 - Predecisional Enforcement Conference Summary 2023-05-02
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November 28, 2006 LICENSEE: DUKE POWER COMPANY LLC (DUKE)
FACILITY: OCONEE NUCLEAR STATION, UNIT 3 (Oconee Unit 3)
SUBJECT:
SUMMARY
OF MAY 9, 2006, CONFERENCE CALL TO DISCUSS THE SPRING 2006 STEAM GENERATOR INSPECTION (TAC NO. MD1492)
On May 9, 2006, the Nuclear Regulatory Commission (NRC) staff participated in a conference call with Duke (the licensee) to discuss the scope, results, and status of the spring 2006 steam generator tube inspections at Oconee Unit 3. The NRC participants were E. Murphy, K. Karwoski, A. Hiser, and R. Chou. The Duke participants were J. Weast, M. Robinson, J. Gilreath, D. Mayes, S. Capps, and P. Downing.
Oconee Unit 3 is a two-loop, pressurized-water reactor with once-through steam generators (OTSGs) manufactured by Babcock & Wilcox, Canada. The Oconee Unit 3 OTSGs are replacement OTSGs installed during the previous refueling outage (fall 2004). The ongoing inspections at Oconee Unit 3 are the first inservice inspections of the replacement OTSGs at this unit.
A major point of interest to the NRC staff going into the call was the state of tube wear at Oconee Unit 3. The first inservice inspection of identical replacement OTSGs at Oconee Unit 1 in the spring of 2005 and Oconee Unit 2 in the fall of 2005, revealed unexpected, widespread wear degradation of the tubing at tube support plate locations.
In advance of the phone call, the licensee provided a written summary of its inspection program, status, and results, to date, which is enclosed. This summary addressed all discussion points that had been requested by the NRC staff prior to the phone call. During the phone call, the licensee walked the NRC staff through the summary material.
The licensee had completed 88 percent of its planned inspections in the 3A OTSG and 82 percent in the 3B OTSG at the time of the phone call. As was observed previously at Oconee Units 1 and 2, widespread wear degradation was observed at the tube support plates (i.e.,
support plates 8 through 14). For Unit 3, 10.7 percent of the tubes inspected in 3A OTSG and 4.4 percent of the tubes inspected in 3B OTSG contained wear indications. This was somewhat fewer than the percentages found for Unit 1 (11.5 percent in 1A OTSG and 9.3 percent in 1B OTSG), but somewhat more than found for Unit 2 (3.2 percent in 2A OTSG and 4.5 percent in 2B OTSG). The deepest indication found to date at Unit 3 is 26 percent through-wall (TW), compared to the deepest indication of 42 percent TW at Unit 1 and 32 percent TW at Unit 2. Based on the indications found to date, the licensee projects that no tubes will require plugging at Unit 3 to ensure tube integrity throughout the next operating cycle to the next scheduled inspection. At Units 1 and 2, 48 and 3 tubes, respectively, required plugging for this purpose.
Duke The licensee met with the NRC staff on April 10, 2006 (ML061100211) to discuss the status of the licensees ongoing program to identify the contributing causes of the wear degradation at the Oconee units and potential measures to mitigate future wear. This program includes, in part, the installation of accelerometers on the OTSG upper-channel head and steam line and installation of pressure transducers through various inspection port covers at each of the Oconee units to acquire data on excitation sources that may be contributing to the wear problem. During the call on May 9, 2006, the licensee confirmed that this instrumentation package was being installed at Unit 3. During the April 10, 2006 meeting, the licensee stated that it expected to be reaching some conclusions on the major contributing factors toward the end of 2006.
/RA/
Leonard N. Olshan, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-287
Enclosure:
Steam Generator Tube Inspection Discussion Points of May 9, 2006 cc w/encl.: See next page
Duke November 28, 2006 The licensee met with the NRC staff on April 10, 2006 (ML061100211) to discuss the status of the licensees ongoing program to identify the contributing causes of the wear degradation at the Oconee units and potential measures to mitigate future wear. This program includes, in part, the installation of accelerometers on the OTSG upper-channel head and steam line and installation of pressure transducers through various inspection port covers at each of the Oconee units to acquire data on excitation sources that may be contributing to the wear problem. During the call on May 9, 2006, the licensee confirmed that this instrumentation package was being installed at Unit 3. During the April 10, 2006 meeting, the licensee stated that it expected to be reaching some conclusions on the major contributing factors toward the end of 2006.
/RA/
Leonard N. Olshan, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-287
Enclosure:
Steam Generator Tube Inspection Discussion Points of May 9, 2006 cc w/encl.: See next page Distribution:
PUBLIC LPL2-1 r/f RidsNrrDorlLpl2-1 (EMarinos)
RidsNrrPMLOlshan (Hard copy)
RidsNrrLAMOBrien (Hard copy)
RidsOgcRp RidsAcrsAcnwMailCenter R. Jasinski, NRR S. Lee, Rgn II RidsRgn2MailCenter Package: ML062340511
Enclosure:
ML062360217 (Conf Call)
ML062360465 (Meeting Hand Out)
Conf Call Summary: ML062340490 NRC-001 OFFICE LPL2-1/PM LPL2-1/LA LPL2-1/BC NAME LOlshan:ckg MOBrien EMarinos DATE 11/24/06 11/22/06 11/28/06 OFFICIAL RECORD COPY
Oconee Nuclear Station, Units 1, 2, and 3 cc:
Ms. Lisa F. Vaughn Mr. R. L. Gill, Jr.
Duke Energy Corporation Manager - Nuclear Regulatory 526 South Church Street Issues and Industry Affairs P. O. Box 1006 Duke Energy Corporation Mail Code = EC07H 526 S. Church St.
Charlotte, North Carolina 28201-1006 Mail Stop EC05P Charlotte, NC 28202 Manager, LIS NUS Corporation Division of Radiation Protection 2650 McCormick Dr., 3rd Floor NC Dept of Environment, Health, & Natural Clearwater, FL 34619-1035 Resources 3825 Barrett Dr.
Senior Resident Inspector Raleigh, NC 27609-7721 U.S. Nuclear Regulatory Commission 7812B Rochester Highway Mr. Peter R. Harden, IV Seneca, SC 29672 VP-Customer Relations and Sales Westinghouse Electric Company Mr. Henry Porter, Director 6000 Fairview Road Division of Radioactive Waste Management 12th Floor Bureau of Land and Waste Management Charlotte, NC 28210 Dept. of Health and Env. Control 2600 Bull St. Mr. Henry Barron Columbia, SC 29201-1708 Group Vice President, Nuclear Generation and Chief Nuclear Officer Mr. Michael A. Schoppman P.O. Box 1006-EC07H Framatome ANP Charlotte, NC 28201-1006 1911 North Ft. Myer Dr.
Suite 705 Mr. Bruce H. Hamilton Rosslyn, VA 22209 Vice President, Oconee Site Duke Energy Corporation Mr. B. G. Davenport 7800 Rochester Highway Regulatory Compliance Manager Seneca, SC 29672 Oconee Nuclear Site Duke Energy Corporation ON03RC 7800 Rochester Highway Seneca, SC 29672 Ms. Karen E. Long Assistant Attorney General NC Department of Justice P.O. Box 629 Raleigh, NC 27602