Letter Sequence Meeting |
|---|
TAC:MD3721, (Approved, Closed) TAC:MD3722, (Approved, Closed) TAC:MD3723, (Approved, Closed) TAC:MD3724, (Approved, Closed) TAC:MD3725, (Approved, Closed) TAC:MD3726, (Approved, Closed) |
|
MONTHYEARML0702903282006-11-30030 November 2006
Tornado/Helb Mitigation Strategies and Regulatory Commitments
Project stage: Request
ML0705300702007-02-21021 February 2007
Emcb Review of the High Energy Line Break Mitigation Strategies for the Oconee Units as Proposed by Duke in a Letter Dated November 30, 2006
Project stage: Approval
ML0706702062007-03-0505 March 2007
Handouts Provided at Beginning of 3/05/07 Oconee Meeting
Project stage: Request
ML0706702032007-03-0505 March 2007
Handouts Provided at Isnd of 03/05/2007 Oconee Meeting
Project stage: Request
ML0708205222007-03-20020 March 2007
Revised Handout from 03/20/2007 Meeting
Project stage: Request
ML0707501262007-03-28028 March 2007
Summary of Meeting Between the NRC and Duke Regarding Oconee High-Energy Line Break and Tornado Mitigation Strategies
Project stage: Meeting
ML0708701502007-04-0303 April 2007
Summary of Meeting with Duke Power Company LLC Regarding Oconee High-Energy Line Break Mitigation Strategy
Project stage: Meeting
ML0711403642007-05-15015 May 2007
Tornado and High-Energy Line Break (HELB) Mitigation Strategies
Project stage: Other
ML0721304832007-08-0202 August 2007
Notice of Meeting with Duke Power Company Llc., to Discuss Status of Oconee Tornado and High-Energy Line Break Efforts (TAC Nos. MD3721 Through MD3726)
Project stage: Meeting
ML0723901192007-09-0505 September 2007
Summary of Meeting with Duke Power Company LLC to Discuss the Status of the Oconee Tornado and High-Energy Line Break Efforts (TAC Nos. MD3721 Through MD3726)
Project stage: Meeting
ML0730602422007-11-0707 November 2007
Notice of Meeting with Duke Power Company LLC, to Discuss High-Energy Line Break Mitigating Strategy.
Project stage: Meeting
ML0734100632007-12-0606 December 2007
Handouts from 12/06/07 Oconee Meeting
Project stage: Request
ML0735202512008-01-0707 January 2008
Summary of Meeting with Duke Power Company to to Discuss Status of Tornado and High-energy Line Break (HELB) Efforts for Oconee, Units 1, 2, and 3
Project stage: Meeting
2007-03-28
[Table View] |
Summary of Meeting with Duke Power Company to to Discuss Status of Tornado and High-energy Line Break (HELB) Efforts for Oconee, Units 1, 2, and 3| ML073520251 |
| Person / Time |
|---|
| Site: |
Oconee  |
|---|
| Issue date: |
01/07/2008 |
|---|
| From: |
Olshan L
NRC/NRR/ADRO/DORL/LPLII-1 |
|---|
| To: |
Duke Power Co |
|---|
| Olshan L N, NRR/DLPM, 415-1419 |
| References |
|---|
| TAC MD3721, TAC MD3722, TAC MD3723, TAC MD3724, TAC MD3725, TAC MD3726 |
| Download: ML073520251 (4) |
|
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|---|
Category:Meeting Summary
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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
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2023-05-02
[Table view] |
Text
January 7, 2008 LICENSEE: DUKE POWER COMPANY LLC (DUKE)
FACILITY: OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 (OCONEE)
SUBJECT:
SUMMARY
OF DECEMBER 6, 2007, MEETING TO DISCUSS STATUS OF TORNADO AND HIGH-ENERGY LINE BREAK (HELB) EFFORTS (TAC NOS.
MD3721, MD3722, MD3723, MD3724, MD3725, AND MD3726)
On December 6, 2007, the U.S. Nuclear Regulatory Commission (NRC) staff met with Duke (the licensee) to discuss the status of the Oconee tornado/HELB efforts. The handouts provided by the licensee during the meeting are available in the Agencywide Documents Access and Management System under accession number ML073410063. Enclosed is a list of the meeting attendees.
During the meeting the licensee proposed, and intends to commit, to install main steamline isolation valves (MSIVs) and to use these MSIVs in the strategies for mitigating tornados and HELBs. The licensee stated that the single failure criteria would not apply to these MSIVs because they will not be required for core protection, which is consistent with the current licensing basis for Oconee. The NRC staff stated that it would have to consult with other members of the NRC staff, and that a conference call with the licensee may be required, before the NRC staff could agree that the single failure criteria does not apply to these MSIVs.
The licensee proposed to install the MSIVs on Unit 1 in fall 2012, on Unit 2 in fall 2014, and on Unit 3 in fall 2013. The NRC staff stated that this schedule appeared to be reasonable.
The licensee stated that preliminary results from the TORMIS methodology are near the acceptance criteria. The NRC staff stated that it has not approved any previous use of TORMIS in which the results did not meet the acceptance criteria; however, if the licensee provided adequate justification, the NRC staff might approve, with extensive review, the use of TORMIS at Oconee even though the results did not meet the acceptance criteria.
/RA by RJervey/
Leonard N. Olshan, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270, and 50-287
Enclosure:
List of Attendees cc w/encl: See next page
January 7, 2008 LICENSEE: DUKE POWER COMPANY LLC (DUKE)
FACILITY: OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 (OCONEE)
SUBJECT:
SUMMARY
OF DECEMBER 6, 2007, MEETING TO DISCUSS STATUS OF TORNADO AND HIGH-ENERGY LINE BREAK (HELB) EFFORTS (TAC NOS.
MD3721, MD3722, MD3723, MD3724, MD3725, AND MD3726)
On December 6, 2007, the U.S. Nuclear Regulatory Commission (NRC) staff met with Duke (the licensee) to discuss the status of the Oconee tornado/HELB efforts. The handouts provided by the licensee during the meeting are available in the Agencywide Documents Access and Management System under accession number ML073410063. Enclosed is a list of the meeting attendees.
During the meeting the licensee proposed, and intends to commit, to install main steamline isolation valves (MSIVs) and to use these MSIVs in the strategies for mitigating tornados and HELBs. The licensee stated that the single failure criteria would not apply to these MSIVs because they will not be required for core protection, which is consistent with the current licensing basis for Oconee. The NRC staff stated that it would have to consult with other members of the NRC staff, and that a conference call with the licensee may be required, before the NRC staff could agree that the single failure criteria does not apply to these MSIVs.
The licensee proposed to install the MSIVs on Unit 1 in fall 2012, on Unit 2 in fall 2014, and on Unit 3 in fall 2013. The NRC staff stated that this schedule appeared to be reasonable.
The licensee stated that preliminary results from the TORMIS methodology are near the acceptance criteria. The NRC staff stated that it has not approved any previous use of TORMIS in which the results did not meet the acceptance criteria; however, if the licensee provided adequate justification, the NRC staff might approve, with extensive review, the use of TORMIS at Oconee even though the results did not meet the acceptance criteria.
/RA by RJervey/
Leonard N. Olshan, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270, and 50-287
Enclosure:
List of Attendees cc w/encl: See next page Distribution:
PUBLIC J. Tatum, NRO RidsAcrsAcnwMailCenter LPL2-1 R/F RidsNrrDorl (TMcGinty) RidsRgn2MailCenter (JMoorman)
RidsNrrDorlLpl2-1 (EMarinos) D. Harrison, NRR T. Liu, NRR RidsNrrPMLOlshan (hard copy) K. Manoly, NRR S. Campbell, EDO Rgn II RidsNrrLAMOBrien (hard copy) R. Carroll, Rgn II RidsOgcRp D. Rich, Rgn II Accession Number: ML073520251 OFFICE NRR/LPL2-1/PM NRR/LPL3-1/LA NRR/LPL2-1/LA NRR/LPL2-1/A-BC NAME RJervey for BTully MOBrien JStang LOlshan:nc DATE 1/7/08 1/2/08 1 /3 /08 1/7/08 OFFICIAL RECORD COPY
MEETING ATTENDEES FROM DECEMBER 6, 2007, MEETING WITH DUKE POWER COMPANY LLC (DUKE)
TO DISCUSS THE STATUS OF THE OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3, TORNADO AND HIGH-ENERGY LINE BREAK EFFORTS NRC DUKE J. Tatum M. Glover T. McGinty J. Sumpter D. Harrison R. Freudenberger K. Manoly J. Fisicaro L. Olshan A. Park R. Carroll (by phone) T. Brown J. Moorman (by phone) S. Newman D. Rich (by phone) G. McAninch Enclosure
Oconee Nuclear Station, Units 1, 2, and 3 cc:
Mr. Bruce H. Hamilton Mr. Leonard G. Green Vice President, Oconee Site Assistant Attorney General Duke Power Company LLC NC Department of Justice 7800 Rochester Highway P.O. Box 629 Seneca, SC 29672 Raleigh, NC 27602 Ms. Lisa F. Vaughn Mr. R. L. Gill, Jr.
Associate General Counsel and Managing Manager - Nuclear Regulatory Attorney Issues and Industry Affairs Duke Energy Carolinas, LLC Duke Power Company LLC 526 South Church Street - EC07H 526 S. Church St.
Charlotte, North Carolina 28202 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. Charles Brinkman Rosslyn, VA 22209 Director, Washington Operations Westinghouse Electric Company Mr. B. G. Davenport 12300 Twinbrook Parkway, Suite 330 Regulatory Compliance Manager Rockville, MD 20852 Oconee Nuclear Site Duke Energy Corporation Ms. Kathryn B. Nolan ON03RC Senior Counsel 7800 Rochester Highway Duke Energy Carolinas, LLC Seneca, SC 29672 526 South Church Street - EC07H Charlotte, NC 28202