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MONTHYEARML24283A1442024-10-16016 October 2024
Main Steam Line Break Accident Analysis LAR Pre-Application Meeting
Project stage: Meeting
ML24290A1652024-11-0505 November 2024
Summary of Public Meeting Regarding Potential License Amendment Request Change Accident Analysis to Address a Stagnant Loop Following a Main Steam Line Break Accident
Project stage: Meeting
2024-10-16
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Category:Meeting Summary
MONTHYEARML24290A1652024-11-0505 November 2024
Summary of Public Meeting Regarding Potential License Amendment Request Change Accident Analysis to Address a Stagnant Loop Following a Main Steam Line Break Accident
ML24207A0402024-08-21021 August 2024
Summary of July 17, 2024, Public Meeting - TS 3.7/3.14 AOT for SW Piping Maintenance
ML24222A4232024-08-19019 August 2024
Summary of June 17, 2024, Meeting with Virginia Electric and Power Company About Guidance in Section 7.5 of Standard Review Plan for Light Water Reactors
ML24222A6992024-08-16016 August 2024
August 6, 2024, Summary of Regarding Potential License Amendment Request Change to Surveillance Requirements for Moderator Temperature Coefficient for Millstone, Unit No. 3, North Anna, Unit Nos. 1 and 2, and Summer, Unit No. 1 -
ML23345A1092023-12-14014 December 2023
December 7, 2023, Summary of Public Meeting with Virginia Electric and Power Company Concerning a License Amendment Request to Revise Emergency Augmentation Times for North Anna Station, Units 1 & 2, and Surry Station, Units 1 & 2
ML23167A7012023-06-26026 June 2023
Summary of Public Meeting with VEPCO Concerning a License Amendment Request to Revise Emergency Plan Staff Augmentation Times
ML23151A5472023-06-0101 June 2023
Public Meeting Summary - 2022 Annual Assessment Meeting Regarding North Anna Power Station, Docket Nos. 50-338 and 50-339; and Surry Power Station
ML22335A5172022-12-0505 December 2022
Summary of Conference Call Regarding the Fall 2022 Steam Generator Tube Inspections (RFO 31)
ML22130A1702022-05-20020 May 2022
Summary of April 21, 2022, Public Meeting to Discuss Potential Emergency Preparedness License Amendment Request
ML22115A0032022-05-17017 May 2022
Summary of Public Meeting with Virginia Electric and Power Company on April 13, 2022 Regarding Future LAR Request to Change the Auxiliary Feedwater System Allowed Outage Time
ML22130A0332022-05-0909 May 2022
Public Meeting Summary 2021 Annual Assessment Meeting Regarding North Anna Power Station, Docket Nos. 50-338 and 50-339; and Surry Power Station, Docket Nos. 50-280 and 50-281, Meeting Number 20220349
ML22091A0902022-04-0101 April 2022
Combined 2021 Assessment Meeting Slides
ML22070A8092022-03-15015 March 2022
Public Webinar Summary with Virginia Electric and Power Company Regarding Further License Amendment Relocating the Technical Services Center to the Local Emergency Operations Facility
ML21293A0992021-12-10010 December 2021
Meeting Summary for Draft Supplemental Environmental Impact Statement Public Meeting
ML21342A1402021-12-0909 December 2021
Summary of Public Meeting in Tarrytown, Ny, to Discuss Indian Point Units 1, 2, and 3 (IPEC) Post-shutdown Decommissioning Activities Report
ML21221A3022021-10-18018 October 2021
June 24, 2021, Meeting Summary: Discussion of Dominions Response to Select Staff Requests for Additional Information on Subsequent License Renewal Application (EPID No. L-2020-SLR-0000) - Meeting Summary
ML21221A3032021-10-18018 October 2021
June 24, 2021, Meeting Summary: Discussion of Dominions Response to Select Staff Requests for Additional Information on Subsequent License Renewal Application (EPID No. L-2020-SLR-0000)- List of Attendees
ML21239A0662021-09-0202 September 2021
August 27, 2021, Summary: Discussion Between NRC and Dominion Regarding the NAPS Subsequent License Renewal - an Inconsistency in Documentation Regarding RCP Code Case N-481 (EPID No. L-2020-SLR-0000) - Summary
ML21221A0312021-08-27027 August 2021
Meeting Summary Regarding Discussion of Dominions Response to Select Staff Requests for Additional Information on Subsequent License Renewal Application
ML21236A0512021-08-27027 August 2021
August 16, 2021, Meeting Summary: Discussion of Aging Management of Cyclic Fatigue in the Subsequent License Renewal Application (EPID No. L-2020-SLR-0000) - Memo
ML21236A0532021-08-27027 August 2021
August 16, 2021, Meeting Summary: Discussion of Aging Management of Cyclic Fatigue in the Subsequent License Renewal Application (EPID No. L-2020-SLR-0000) - Meeting Summary
ML21236A0582021-08-27027 August 2021
August 16, 2021, Meeting Summary: Discussion of Aging Management of Cyclic Fatigue in the Subsequent License Renewal Application (EPID No. L-2020-SLR-0000) - List of Attendees
ML21221A0262021-08-26026 August 2021
Meeting Summary Regarding Discussion of Dominions Response to Select Staff Requests for Additional Information on Subsequent License Renewal Application
ML21221A1382021-08-10010 August 2021
Meeting Summary: Discussion of Dominions Response to Select Staff Requests for Additional Information on Subsequent License Renewal Application (EPID No. L-2020-SLR-0000) - Meeting Summary
ML21159A0932021-06-16016 June 2021
May 20, 2021, Summary Regarding Pre-Application Meeting to Discuss Planned License Amendment Requests
ML21155A1632021-06-11011 June 2021
Summary Regarding Pre-Application Meeting to Discuss Planned License Amendment Requests
ML21145A2132021-06-0909 June 2021
Meeting Summary: Discussion of Dominions Response to Select Staff Requests for Additional Information on Subsequent License Renewal Application (EPID No. L-2020-SLR-0000) - Enclosure 1 - Summary
ML21145A2152021-06-0909 June 2021
Meeting Summary: Discussion of Dominions Response to Select Staff Requests for Additional Information on Subsequent License Renewal Application (EPID No. L-2020-SLR-0000) - Enclosure 2 - List of Attendees
ML21131A1612021-05-11011 May 2021
Public Meeting Summary - 2020 Annual Assessment Meeting Regarding Virgil C. Summer Nuclear Station, Docket No. 50-395; North Anna Power Station, Docket Nos. 50-338 and 50-339; and Surry Power Station, Docket Nos. 50-280 and 50-281, Meeting
ML21027A0232021-01-28028 January 2021
Summary of January 26, 2021 Closed Meeting with Dominion Energy Regarding Performance of Force on Force Exercises in a Pandemic Environment
ML20335A1122020-12-0707 December 2020
Summary of November 30, 2020, Meeting with the National Marine Fisheries Service and Dominion Energy, Inc. Regarding Atlantic Sturgeon Capture at Surry Power Station
ML20324A2592020-12-0303 December 2020
Scoping Meeting Summary
ML20296A4072020-11-12012 November 2020
Summary of October 14, 2020, Public Meeting with Virginia Electric and Power Company to Discuss Presubmittal Supplements for Surry Units 1 and 2
ML20136A1752020-05-15015 May 2020
Sur 2019 Aam Meeting Summary
ML20104A0392020-04-21021 April 2020
Presubmittal Meeting Summary
ML20016A3472020-01-30030 January 2020
Summary of December 12, 2019, Category 2 Public Meeting on Lessons Learned from the Review of the First Subsequent License Renewal Applications
ML19347D0862019-12-13013 December 2019
Summary of December 13, 2019, Teleconference with Matthew Balazik, Ph.D., Regarding James River Shortnose and Atlantic Sturgeon Research
ML19266A4842019-10-0101 October 2019
Summary of Pre-Licensing Meeting with Dominion Energy Regarding a License Amendment Request to Adopt a Risk-Informed 10 CFR 50.69 Categorization Program
ML19253D7082019-09-24024 September 2019
Summary of August 13, 2019, Category 2 Public Meeting Related to the Safety Review of the Surry Power Station, Units 1 and 2, Subsequent License Renewal Application
ML19219A2842019-08-13013 August 2019
July 29, 2019, Summary of Category 2 Public Meeting Related to the Safety Review of the Surry Power Station, Units 1 and 2, Subsequent License Renewal Application
ML19190A2862019-07-16016 July 2019
Summary of July 7, 2019, Public Meeting with Dominion to Discuss Open Phase Condition RAI Responses
ML19135A1982019-06-0404 June 2019
Issuance of Environmental Scoping Summary Report Associated with the Staff'S Review of the Surry Power Station, Unit Nos 1 and 2, Subsequent License Renewal Application
ML19144A1292019-05-30030 May 2019
Summary of November 20, 2018, Pre Application Meeting with Dominion Energy Regarding the Planned License Amendment Request to Revise Emergency Action Levels
ML19128A3432019-05-0808 May 2019
Public Meeting Summary - 2018 Annual Assessment Public Meeting Regarding North Anna Power Station, Docket Nos. 50-338 and 50-339
ML19128A3372019-05-0808 May 2019
Public Meeting Summary - 2018 Annual Assessment Public Meeting Regarding Surry Power Station Docket Nos. 50-280 and 50-281
ML19106A4162019-04-25025 April 2019
Summary of the Subsequent License Renewal Severe Accident Mitigation Alternatives Audit
ML19024A3862019-01-30030 January 2019
01/08/2018 Summary of Meeting Regarding Public Scoping Meeting for Environmental Review of Surry Power Station, Units 1 and 2 Subsequent License Renewal Application
ML18151A4682018-05-29029 May 2018
Public Meeting Summary - 2017 Annual Assessment Public Meeting Regarding North Anna Power Station, Docket Nos. 50-338 and 50-339
ML18144A0712018-05-23023 May 2018
Summary of Annual Assessment Public Meeting Regarding Surry Power Station
ML18129A3142018-05-16016 May 2018
04/17/2018 Summary of Pre-Application Meeting with Dominion Energy Regarding the Surry, Units 1 and 2, Subsequent License Renewal Application
2024-08-21
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Text
November 5, 2024 LICENSEE:
Dominion Energy South Carolina, Inc.
FACILITIES: North Anna Power Station, Unit Nos. 1 and 2 Surry Power Station, Unit Nos. 1 and 2
SUBJECT:
SUMMARY
OF OCTOBER 16, 2024, PUBLIC MEETING REGARDING POTENTIAL LICENSE AMENDMENT REQUEST CHANGE ACCIDENT ANALYSIS TO ADDRESS A STAGNANT LOOP FOLLOWING A MAIN STEAM LINE BREAK ACCIDENT (EPID: L-2024-LRM-0106)
On October 16, 2024, the U.S. Nuclear Regulatory Commission (NRC) staff held a public meeting1 with representatives from the Dominion Energy (Dominion). The purpose of the meeting was for Dominion to discuss its plans to submit a license amendment request regarding a change to the accident analysis for North Anna Power Station, Unit Nos. 1 and 2, and Surry Power Station Unit Nos. 1 and 2, and to receive NRC staff feedback on what information would be needed to support the NRC staff review of the submittal. The request would change the dose consequence analyses associated with the Main Steam Line Break accident to account for a stagnant loop phenomenon.
During the meeting, Dominion staff presented slides2 that described the proposed change.
NRC staff provided the following comments on information and considerations that would support its review of the proposed change:
Include when the switch over to the Residual Heat Removal system would occur; Address any assumptions used in the new atmospheric dispersal factors and associated computer codes; Submit meteorologic data or address whether data submitted previously is applicable to this proposed usage; Provide a concise table of key parameters from the analysis that would reduce NRC staff search and review time; Provide the output of the RADTRAD code analysis; Provide the latest tracer gas test results for North Anna; Justify any assumed conservatisms asserted in the analysis; 1 The meeting notice is available under Agencywide Documents Access and Management System (ADAMS)
Accession No. ML24267A017.
2 The slides are available under ADAMS Accession No. ML24283A144.
Identify what computer code will be used for thermal-hydraulic (steam release rates) analysis; Besides MSLB, describe other events/accidents impacted; Explain asymmetric natural recirculation cooldown (ANCC); and Reasons for increasing the RHR cooldown time.
The NRC staff did not make any regulatory decisions at the meeting. Following the discussion, an opportunity was afforded to any other participants who wished to ask questions or make comments. No questions or comments were received from the public.
Please direct any inquiries regarding this meeting to Ed Miller at 301-415-2481 or Ed.Miller@nrc.gov.
/RA/
G. Edward Miller, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos.
50-280, 50-281, 50-338, and 50-339
Enclosure:
List of Attendees cc: Listserv
Enclosure LIST OF ATTENDEES OCTOBER 16, 2024, PUBLIC MEETING NORTH ANNA POWER STATION UNITS 1 AND 2 SURRY POWER STATION UNITS 1 AND 2 AMENDMENT TO MODIFY MSLB ACCIDENT DOSE ANALYSIS Name Organization Ed Miller NRC/NRR/DORL John Klos NRC/NRR/DORL Zach Turner NRC/NRR/DORL Ahsan Sallman NRC/NRR/DSS Logan Gaul NRC/NRR/DSS Jason White NRC/NRR/DEX Steve Smith NRC/NRR/DSS John Parillo NRC/NRR/DRA Sean Meighan NRC/NRR/DRA Anthony Torres NRC/NRR/DEX Daniel Turpin NRC/R-II Gary Miller Dominion Nicolae Bobolea Dominion Jonathan Ford Dominion Allen Ford Dominion Samuel Baker Dominion William Kohlroser Dominion Matthew Lepcio Dominion Scott Luchau Dominion Robert Page Dominion Alex Markivich Dominion David Slankard Dominion Jeff Sharkey Public Emily Labar Public Laura Klein Public
ML24290A164 (Meeting Package)
ML24290A165 (Meeting Summary)
ML24267A017 (Meeting Notice)
ML24283A144 (Slides)
OFFICE NRR/DORL/LPL2-1/PM NRR/DORL/LPL2-1/LA NRR/DRA/ARCB/BC NAME GEMiller KGoldstein KHsueh DATE 10/17/2024 10/17/2024 10/22/2024 OFFICE NRR/DSS/SNSB/BC NRR/DOX/EXHB/BC NRR/DORL/LPL2-1/BC NAME PSahd BHayes MMarkley DATE 10/25/2024 11/4/2024 11/5/2024
