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| | author name = | | | author name = |
| | author affiliation = Southern Nuclear Operating Co, Inc | | | author affiliation = Southern Nuclear Operating Co, Inc |
| | addressee name = Orenak M D | | | addressee name = Orenak M |
| | addressee affiliation = NRC/NRR/DORL/LPLII-1 | | | addressee affiliation = NRC/NRR/DORL/LPLII-1 |
| | docket = 05000424, 05000425 | | | docket = 05000424, 05000425 |
| | license number = NPF-068, NPF-081 | | | license number = NPF-068, NPF-081 |
| | contact person = Orenak M D | | | contact person = Orenak M |
| | document type = Meeting Briefing Package/Handouts, Slides and Viewgraphs | | | document type = Meeting Briefing Package/Handouts, Slides and Viewgraphs |
| | page count = 9 | | | page count = 9 |
| }} | | }} |
| | |
| | =Text= |
| | {{#Wiki_filter:Vogtle 50.69 Enhancement Submittal |
| | * Background |
| | * Previous Review scopes |
| | * Intentions of this submittal |
| | * Seismic PRA model |
| | * Peer Review Facts and Observations (F&Os) |
| | * SPRA Adequacy 2 |
| | |
| | Vogtle 50.69 Background |
| | * SNC requested pilot status 50.69 - Dec. 2010 |
| | * NRC granted VEGP pilot status - June 2011 |
| | * SNC 50.69 LAR submitted - Aug. 2012 |
| | * NRC approved VEGP 10 CFR 50.69 - Dec. 2014 |
| | * NRC 50.69 inspection - June 13- 30, 2016 |
| | * Inspection report provided to SNC Aug. 10, 2016 |
| | - NO FINDINGS 3 |
| | |
| | Scope of Enhancement Submittal |
| | * Replace Seismic Margins Approach with SPRA model insights |
| | * No other changes to the currently approved risk categorization program RISC 1 RISC 2 Safety Related Non Safety Related High Safety High Safety Significance Significance Safety Related Non Safety Related Low Safety Low Safety Significance Significance RISC 3 RISC 4 RISC = Risk Informed Safety Class 4 |
| | |
| | Operating License Conditions Note: Unit 1 shown. Unit 2 is identical. See Amendment 155 5 |
| | |
| | Currently Approved Risk Categorization Tools |
| | * Internal events PRA for internal risk |
| | * Fire PRA for fire risk |
| | * Seismic margin analysis for seismic risk <Update to SPRA> |
| | - Low risk contributor compared to other tools |
| | * Individual Plant Examination of External Events (IPEEE) screening to asses risk from other external hazards (high winds external floods) |
| | * Safety Plan to assess shutdown risk 6 |
| | |
| | Options to Address Contributions AREAS TO ADDRESS Internal Fire Seismic Other Shutdown Events Risk Risk Risk External Risk Events Risk O Internal Events Other P (including Seismic External Shutdown PRA PRA T Internal Fire Events PRA Flooding) PRA I PRA O Updated Updated S/D DID N FIVE Seismic IPEEE Model via SSEL Screening EOOS S (SMA) 7 |
| | |
| | Seismic PRA Model |
| | * High Quality SPRA model |
| | - PWROG Peer Review conducted November 2014 |
| | - All F&Os have been dispositioned |
| | * All SRs met at CC II per Addendum B of ASME/ANS Seismic PRA Standard |
| | - Sources of model uncertainty 8 |
| | |
| | Summary |
| | * Long history of VEGP investment in 50.69 |
| | * 50.69 process has been extensively reviewed |
| | * Intentions of this submittal |
| | * NRC acceptance of SPRA in the Approved 50.69 Categorization process |
| | * High quality Peer Reviewed model |
| | * One aspect in the determination of safety significance in the Categorization process 9}} |
Letter Sequence Request |
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MONTHYEARML17004A0492017-01-0404 January 2017 Southern Nuclear - Vogtle 50.69 Enhancement Submittal Public Meeting Slides Project stage: Request ML17004A0582017-01-0404 January 2017 SPRA for 5069 -Basis for Change Project stage: Request ML17030A0942017-02-16016 February 2017 Summary of Public Meeting with Southern Nuclear Operating Company, Inc. to Discuss the Incorporation of a Seismic PRA Into the 10 CFR 50.69 Program Project stage: Meeting 2017-01-04
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Category:Meeting Briefing Package/Handouts
MONTHYEARML24164A2942024-06-17017 June 2024 Licensee Slides for Pre-submittal Meeting for VEGP Units 3 and 4 for a Proposed License Amendment Request Regarding TS 3.3.8 ML24158A3832024-06-0606 June 2024 SNC Slides - Vogtle 3 and 4 - TS 3-8-2 - Pre-Submittal Meeting - 06-27-2024 ML24120A2202024-04-30030 April 2024 Annual Assessment Meeting Presentation Slides - April 30, 2024 ML24089A1492024-04-0404 April 2024 Slides - SNC Presentation - Pre-Submittal Meeting on April 4, 2024 - Proposed Vogtle 3 and 4 TS 3.7.6 LAR ML24060A2732024-03-0707 March 2024 SNC Slides - Pre-Submittal Meeting on March 7, 2024 - Vogtle 3 & 4 TSTF-577 LAR ML24022A1192024-01-24024 January 2024 Slides - SNC Slides - Pre-Submittal Meeting on January 24, 2024 - Vogtle 3 & 4 Explosively Actuated Valves Relief Request ML23361A0812024-01-0808 January 2024 SNC Slides - Pre-Submittal Public Meeting on January 8, 2024 Related to Fleet QATR ML24004A1852024-01-0404 January 2024 SNC Slides - Pre-Submittal Public Meeting on January 8, 2024 Related to Fleet QATR Revised ML23257A2322023-09-28028 September 2023 SNC Presentation - Pre-Submittal Meeting on September 28, 2023 - Proposed Vogtle 3 and 4 TS 3.7.6 LAR ML23137A1162023-06-0202 June 2023 Draft Slides for Advisory Committee on Reactor Safeguards Subcommittee Meeting Regarding Use of Accident Tolerant Fuel Lead Test Assemblies ML23094A1402023-04-0404 April 2023 4 -- 2022 Aam Slides ML23055A0402023-02-24024 February 2023 VEGP, Unit 4, Potential License Amendment Request for Prior to Initial Criticality Overview Presentation ML23033A0232023-02-0202 February 2023 Dashboard Report 2-2-2023 ML22329A0192022-12-0101 December 2022 Southern Nuclear Company Slides - Pre-Submittal Meeting on December 1, 2022 - Vogtle SR 3.4.14.1 LAR and Alternative Relief Request 1 ML22335A0372022-12-0101 December 2022 Dashboard Report 12-1-2022 ML22332A5372022-11-28028 November 2022 Draft LAR 23-001 for 12-8-22 Public Meeting ML22332A0012022-11-28028 November 2022 SNC Slides - Pre-Submittal Meeting on November 30, 2022 - Vogtle TS 5.5.11 License Amendment Request ML22319A1232022-11-15015 November 2022 Kozak Slides for November 15, 2022 Public Meeting on Part 52 Lessons Learned ML22319A0052022-11-15015 November 2022 NEI Slides for November 15 2022 Public Meeting on Part 52 Lessons Learned ML22319A1242022-11-15015 November 2022 NRC Slides for November 15, 2022 Public Meeting on Part 52 Lessons Learned ML22251A0002022-09-30030 September 2022 Pre-Submittal Meeting on September 13, 2022 - Vogtle Online Monitoring LAR ML22265A0972022-09-22022 September 2022 Southern Nuclear Company Slides on Lessons Learned from Part 52 Implementation for Public Meeting on 9/27/2022 ML22265A0982022-09-22022 September 2022 NRC Slides on Part 52 Lessons Learned Construction Initiative for Public Meeting on 9/27/2022 ML22138A3952022-05-24024 May 2022 Slides - SNC Slides - Pre-Submittal Meeting on May 24, 2022 - Vogtle RR RWST Suction Check Valves ML22137A2812022-05-23023 May 2022 Slides - SNC Slides - Pre-Submittal Meeting on May 23, 2022 - Vogtle TS 3.8.1 and TSTF-163 LAR ML22126A0102022-05-11011 May 2022 Pre-Submittal Meeting on May 11, 2022 - Vogtle ATF LTAs LAR and Exemption Requests - Licensing Questions ML22123A3332022-05-10010 May 2022 Pre-Submittal Meeting 2: TSTF-51, TSTF-471, TSTF-490, and Alternative Source Term License Amendment Request - May 10, 2022 (EPID L-2022-LRM-0033)(slides) ML22110A1702022-04-20020 April 2022 4 2022 Annual Assessment Meeting.Final ML22021B6472022-01-27027 January 2022 Pre-Submittal for Westinghouse Increased Enrichment Accident Tolerant Fuel Lead Test Assemblies (EPID L-2022-LRM-0003) (Slides) ML21306A0242021-11-30030 November 2021 SNC Pre-Submittal Meeting for LAR to Relocate Augmented Piping Inspection Program Details from TSs to a Licensee Controlled Document for Farley Nuclear Plant, Units 1 & 2; and Vogtle Electric Generating Plant, Units 1 & 2 (EPID L-2021-LRM-0 ML21333A2172021-11-29029 November 2021 Readiness Group Presentation During 12-2-21 Public Meeting ML21230A2842021-08-18018 August 2021 SNC Slides - Vogtle MSIV Elimination LAR - Pre-submittal Meeting Part 2 - 08-25-2021 ML21193A0762021-07-0808 July 2021 ITAAC Related to Incore Instrument Thimble Assembly (Iita) ML21187A0972021-07-0808 July 2021 Late Filed Allegations (Lfa) Process ML21172A1312021-07-0101 July 2021 Pre-Submittal Meeting Alternate Source Term and TSTF-490 ML21193A0772021-06-24024 June 2021 Exemption from Operator Written Examination and Operating Test for Unit 4 Licenses, 6-24-21 Pre-submittal Meeting ML21085A4902021-05-19019 May 2021 Risk-informed Resolution of Generic Letter 2004-02 ML21064A3652021-03-0101 March 2021 Dashboard Report 3-1-2021 ML21027A2062021-02-28028 February 2021 Fixed 8-Hour Emergency Light Deviation Pre-Submittal Meeting, February 2021 (Slides) ML21057A0182021-02-26026 February 2021 Pre-Submittal Meeting Revise Technical Specification 3.2.1 Heat Flux Hot Channel Factor (Fq(Z)) (EPID L-2021-LRM-0023) (Slides) ML21036A1172021-02-0505 February 2021 SNC Slides - Pre-Submittal Meeting on February 16, 2021 - Beacon LAR ML20343A0742020-12-0202 December 2020 Dashboard Report 12-2-2020 ML20318A1032020-11-12012 November 2020 SNC ERO Staffing LAR RAI Responses ML20314A0962020-11-0202 November 2020 Dashboard Report 11/02/2020 ML20217L4312020-08-13013 August 2020 Edwin I Hatch, Units 1 and 2; and Vogtle Electric Plant, Units 1, 2, 3, and 4 - Meeting Slides a License Amendment Request for the Emergency Plan (EPID Nos L-2020-LLA-0150 and L-2020-LLA-051 ML20136A2832020-05-15015 May 2020 4 EOC Slides ML20114E3032020-04-23023 April 2020 Risk-Informed GL 2004--02 Pre-Submittal NRC Meeting - May 2020 ML20007D6772020-01-0808 January 2020 AP1000 Public Presentation Entitled Reactor Oversight Process (ROP) for Inspecting Vogtle Site with AP1000 Design ML19303A0252019-11-0404 November 2019 Risk-Informed GSI-191 NRC Public Meeting ML19295D4672019-10-30030 October 2019 Public Meeting for ITAAC Hearing Process, October 30, 2019 2024-06-06
[Table view] Category:Slides and Viewgraphs
MONTHYEARML24164A2942024-06-17017 June 2024 Licensee Slides for Pre-submittal Meeting for VEGP Units 3 and 4 for a Proposed License Amendment Request Regarding TS 3.3.8 ML24158A3832024-06-0606 June 2024 SNC Slides - Vogtle 3 and 4 - TS 3-8-2 - Pre-Submittal Meeting - 06-27-2024 ML24120A2202024-04-30030 April 2024 Annual Assessment Meeting Presentation Slides - April 30, 2024 ML24089A1492024-04-0404 April 2024 Slides - SNC Presentation - Pre-Submittal Meeting on April 4, 2024 - Proposed Vogtle 3 and 4 TS 3.7.6 LAR ML24060A2732024-03-0707 March 2024 SNC Slides - Pre-Submittal Meeting on March 7, 2024 - Vogtle 3 & 4 TSTF-577 LAR ML24022A1192024-01-24024 January 2024 Slides - SNC Slides - Pre-Submittal Meeting on January 24, 2024 - Vogtle 3 & 4 Explosively Actuated Valves Relief Request ML23361A0812024-01-0808 January 2024 SNC Slides - Pre-Submittal Public Meeting on January 8, 2024 Related to Fleet QATR ML24004A1852024-01-0404 January 2024 SNC Slides - Pre-Submittal Public Meeting on January 8, 2024 Related to Fleet QATR Revised ML23311A2452023-11-0707 November 2023 Pre-Submittal Meeting on November 7, 2023 - License Amendment Request to Revise the Ultimate Heat Sink Mission Time (Slides) ML23304A2682023-11-0707 November 2023 License Amendment Request to Revise the Ultimate Heat Sink Mission Time Pre Submittal Meeting on November 7, 2023 ML23293A0052023-10-20020 October 2023 Lessons Learned from the ITAAC Hearing Process for Vogtle 3 and 4 ML23257A2322023-09-28028 September 2023 SNC Presentation - Pre-Submittal Meeting on September 28, 2023 - Proposed Vogtle 3 and 4 TS 3.7.6 LAR ML23137A1162023-06-0202 June 2023 Draft Slides for Advisory Committee on Reactor Safeguards Subcommittee Meeting Regarding Use of Accident Tolerant Fuel Lead Test Assemblies ML23094A1402023-04-0404 April 2023 4 -- 2022 Aam Slides ML23072A1802023-03-13013 March 2023 2023 RIC Powerpoint Slide Presentation, Vogtle 3: Journey from Construction to Operations ML23055A0402023-02-24024 February 2023 VEGP, Unit 4, Potential License Amendment Request for Prior to Initial Criticality Overview Presentation ML23033A0232023-02-0202 February 2023 Dashboard Report 2-2-2023 ML22335A5542022-12-0101 December 2022 Slides - SNC Slides - Pre-Submittal Meeting on December 1, 2022 - Vogtle SR 3.4.14.1 LAR and Alternative Relief Request - ML22335A0372022-12-0101 December 2022 Dashboard Report 12-1-2022 ML22329A0192022-12-0101 December 2022 Southern Nuclear Company Slides - Pre-Submittal Meeting on December 1, 2022 - Vogtle SR 3.4.14.1 LAR and Alternative Relief Request 1 ML22332A0012022-11-28028 November 2022 SNC Slides - Pre-Submittal Meeting on November 30, 2022 - Vogtle TS 5.5.11 License Amendment Request ML22319A1232022-11-15015 November 2022 Kozak Slides for November 15, 2022 Public Meeting on Part 52 Lessons Learned ML22319A0052022-11-15015 November 2022 NEI Slides for November 15 2022 Public Meeting on Part 52 Lessons Learned ML22319A1242022-11-15015 November 2022 NRC Slides for November 15, 2022 Public Meeting on Part 52 Lessons Learned ML22278A0382022-10-0505 October 2022 Dashboard Report 10-5-2022 ML22251A0002022-09-30030 September 2022 Pre-Submittal Meeting on September 13, 2022 - Vogtle Online Monitoring LAR ML22265A0972022-09-22022 September 2022 Southern Nuclear Company Slides on Lessons Learned from Part 52 Implementation for Public Meeting on 9/27/2022 ML22265A0982022-09-22022 September 2022 NRC Slides on Part 52 Lessons Learned Construction Initiative for Public Meeting on 9/27/2022 ML22206A1712022-07-25025 July 2022 Dashboard Report 7-25-2022 ML22206A1682022-07-25025 July 2022 Dashboard Report 7-25-2022 ML22201A0442022-07-20020 July 2022 Voices Dashboard Report for Vogtle Unit 3 as of July 20, 2022 ML22138A3952022-05-24024 May 2022 Slides - SNC Slides - Pre-Submittal Meeting on May 24, 2022 - Vogtle RR RWST Suction Check Valves ML22144A0492022-05-24024 May 2022 Dashboard Report 5-24-2022 ML22144A0502022-05-24024 May 2022 Dashboard Report 5-24-2022 ML22137A2812022-05-23023 May 2022 Slides - SNC Slides - Pre-Submittal Meeting on May 23, 2022 - Vogtle TS 3.8.1 and TSTF-163 LAR ML22126A0102022-05-11011 May 2022 Pre-Submittal Meeting on May 11, 2022 - Vogtle ATF LTAs LAR and Exemption Requests - Licensing Questions ML22123A3332022-05-10010 May 2022 Pre-Submittal Meeting 2: TSTF-51, TSTF-471, TSTF-490, and Alternative Source Term License Amendment Request - May 10, 2022 (EPID L-2022-LRM-0033)(slides) ML22126A0012022-05-0606 May 2022 SNC Slides - Pre-Submittal Meeting on May 11, 2022 - Vogtle ATF LTAs LAR and Exemptions ML22110A1702022-04-20020 April 2022 4 2022 Annual Assessment Meeting.Final ML22060A0062022-02-28028 February 2022 4Q 2021 Performance Summary U3 ML22021B6472022-01-27027 January 2022 Pre-Submittal for Westinghouse Increased Enrichment Accident Tolerant Fuel Lead Test Assemblies (EPID L-2022-LRM-0003) (Slides) ML22026A0582022-01-26026 January 2022 Dashboard Report 1-26-2022 ML21306A0242021-11-30030 November 2021 SNC Pre-Submittal Meeting for LAR to Relocate Augmented Piping Inspection Program Details from TSs to a Licensee Controlled Document for Farley Nuclear Plant, Units 1 & 2; and Vogtle Electric Generating Plant, Units 1 & 2 (EPID L-2021-LRM-0 ML21333A2172021-11-29029 November 2021 Readiness Group Presentation During 12-2-21 Public Meeting ML21230A2842021-08-18018 August 2021 SNC Slides - Vogtle MSIV Elimination LAR - Pre-submittal Meeting Part 2 - 08-25-2021 ML21197A0032021-08-0606 August 2021 Slides - SNC Slides - Pre-Submittal Meeting on August 13, 2021 - Vogtle TS 3.3.1 and 3.3.2 LAR ML21193A0762021-07-0808 July 2021 ITAAC Related to Incore Instrument Thimble Assembly (Iita) ML21187A0972021-07-0808 July 2021 Late Filed Allegations (Lfa) Process ML21188A3592021-07-0606 July 2021 1Q 2021 Performance Summary U3 ML21188A3612021-07-0606 July 2021 1Q 2021 Performance Summary U4 2024-06-06
[Table view] |
Text
Vogtle 50.69 Enhancement Submittal
- Intentions of this submittal
- Peer Review Facts and Observations (F&Os)
Vogtle 50.69 Background
- SNC requested pilot status 50.69 - Dec. 2010
- NRC granted VEGP pilot status - June 2011
- SNC 50.69 LAR submitted - Aug. 2012
- NRC 50.69 inspection - June 13- 30, 2016
- Inspection report provided to SNC Aug. 10, 2016
- NO FINDINGS 3
Scope of Enhancement Submittal
- Replace Seismic Margins Approach with SPRA model insights
- No other changes to the currently approved risk categorization program RISC 1 RISC 2 Safety Related Non Safety Related High Safety High Safety Significance Significance Safety Related Non Safety Related Low Safety Low Safety Significance Significance RISC 3 RISC 4 RISC = Risk Informed Safety Class 4
Operating License Conditions Note: Unit 1 shown. Unit 2 is identical. See Amendment 155 5
Currently Approved Risk Categorization Tools
- Internal events PRA for internal risk
- Seismic margin analysis for seismic risk <Update to SPRA>
- Low risk contributor compared to other tools
- Individual Plant Examination of External Events (IPEEE) screening to asses risk from other external hazards (high winds external floods)
- Safety Plan to assess shutdown risk 6
Options to Address Contributions AREAS TO ADDRESS Internal Fire Seismic Other Shutdown Events Risk Risk Risk External Risk Events Risk O Internal Events Other P (including Seismic External Shutdown PRA PRA T Internal Fire Events PRA Flooding) PRA I PRA O Updated Updated S/D DID N FIVE Seismic IPEEE Model via SSEL Screening EOOS S (SMA) 7
Seismic PRA Model
- PWROG Peer Review conducted November 2014
- All F&Os have been dispositioned
- All SRs met at CC II per Addendum B of ASME/ANS Seismic PRA Standard
- Sources of model uncertainty 8
Summary
- Long history of VEGP investment in 50.69
- 50.69 process has been extensively reviewed
- Intentions of this submittal
- NRC acceptance of SPRA in the Approved 50.69 Categorization process
- High quality Peer Reviewed model
- One aspect in the determination of safety significance in the Categorization process 9