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Category:Meeting Agenda
MONTHYEARML24029A0382024-01-31031 January 2024 January 31, 2024, Pre-application Meeting Presentation - Prairie Island ISFSI License Amendment Request to Add Grace to License Conditions ML24008A0132024-01-0808 January 2024 Notice of Public Meeting with Xcel Energy to Discuss the Prairie Island ISFSI Amendment ML23159A2542023-06-0808 June 2023 Pre-application Meeting with Xcel Energy to Discuss the Amendment Application for the Prairie Island ISFSI PMNS20230663, Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy2023-06-0202 June 2023 Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy ML23102A1752023-04-14014 April 2023 April 14, 2023 TS 3.7.8 LAR Pre-Submittal Meeting Slides PMNS20230262, Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy2023-04-12012 April 2023 Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy PMNS20220096, Pre-Application Meeting with Xcel Energy to Discuss Pressure-Temperature Limit Report Amendment for Prairie Island Nuclear Generating Plant, Units 1 and 2 (Prairie Island)2022-02-0707 February 2022 Pre-Application Meeting with Xcel Energy to Discuss Pressure-Temperature Limit Report Amendment for Prairie Island Nuclear Generating Plant, Units 1 and 2 (Prairie Island) PMNS20211339, Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, License Amendment Request Related to the Cooling Water System2021-10-15015 October 2021 Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, License Amendment Request Related to the Cooling Water System ML21221A0202021-08-11011 August 2021 Nis Pr Bypass Test Panel License Amendment Request PMNS20210949, Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request2021-07-21021 July 2021 Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request PMNS20210528, Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request2021-05-0505 May 2021 Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request ML21022A0082021-01-22022 January 2021 Teleconference with Xcel Energy to Discuss a Planned License Amendment Request for Monticello Nuclear Generating Plant (Monticello) and Prairie Island Nuclear Generating Plant, Units 1 and 2 (Prairie Island) ML20280A6092020-10-0606 October 2020 Teleconference to Discuss the Prairie Island Nuclear Generating Plant, Units 1 and 2, (Prairie Island) License Amendment Request to Adopt TSTF-505 Provide Risk-Informed Extended Completion Times RITSTF Initiative 4b ML19347B0722019-12-12012 December 2019 TVA and Xcel Energy Slides for Joint Presubmittal Meeting to License Amendment Requests to Adopt WCAP-17661, Revision 1 ML19268A0422019-09-26026 September 2019 Pre-Application Meeting License Amendment Request Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b ML19074A1312019-03-11011 March 2019 Revised Notice of Meeting with Xcel Energy to Discuss a Seismic Considerations for a Proposed License Amendment Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island ISFSI ML19070A2412019-03-11011 March 2019 Notice of Meeting with Xcel Energy to Discuss a Seismic Considerations for a Proposed License Amendment Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island ISFSI ML19045A6682019-02-14014 February 2019 Notice of Meeting with Xcel Energy to Discuss a Proposed License Amendment Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island Independent Spent Fuel Storage Installation ML15183A3992015-07-0101 July 2015 Ltr. 07/01/15 Point Beach U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15182A4412015-07-0101 July 2015 Notice and Agenda - 2015 Operator Licensing Workshop ML15183A3862015-07-0101 July 2015 Ltr. 07/01/15 Prairie Island U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4452015-07-0101 July 2015 Ltr. 07/01/15 Perry U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4632015-07-0101 July 2015 Ltr. 07/01/15 Monticello U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4722015-07-0101 July 2015 Ltr. 07/01/2015 Fermi U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4782015-07-0101 July 2015 Ltr. 07/01/15 Duane Arnold U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4792015-07-0101 July 2015 Ltr. 07/01/15 D.C. Cook U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting)(Drm) ML15183A4842015-07-0101 July 2015 Ltr. 07/01/15 Davis-Besse U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15114A0432015-04-23023 April 2015 PI 2014 PIR and EOC Meeting Notice ML14169A5862014-06-13013 June 2014 Operator License Workshop Invitation ML13056A0262013-02-25025 February 2013 Regulatory Conference Slide Presentation ML12326A9702012-11-21021 November 2012 Summary of October 24, 2012, Meeting with the Northern States Power Company, D/B/A Excel Energy Regarding Security Requirements and Changes Pertaining to Prairie Island TAC L24689 W/ Encl 1 (Attendees) and Encl 2 (Agenda) ML12318A0572012-11-13013 November 2012 12/6/2012 - Rescheduled Notice of Meeting with Xcel Energy Concerning Prairie Island Nuclear Generating Plant, Units 1 and 2 ML12306A3222012-11-0101 November 2012 Notice of Forthcoming Meeting with Xcel Energy Concerning Prairie Island Nuclear Generating Plant, Units 1 and 2 ML12249A2702012-09-11011 September 2012 Notice of Forthcoming Pre-Application Meeting with Xcel Energy, Inc. Concerning Prairie Island Nuclear Generating Plant ML12138A3312012-05-17017 May 2012 05/31/2012, Notice of Significant Licensee Meeting (non-public) Regarding Operator Licensing Workshop and Meeting ML1208703892012-03-30030 March 2012 Notice of Pre-Application Meeting with Xcel Energy Concerning Prairie Island Nuclear Generating Plant, Units 1 and 2, to Discuss Licensee'S Proposed NFPA 805, Performance Based Standard for Fire Protection for Light Weight Reactor ... ML1122803892011-08-18018 August 2011 Pre-Application Meeting for Prairie Island Nuclear Generating Plant (Ping) Extended Power Uprate (EPU) ML1121505252011-08-0404 August 2011 Notice of Forthcoming Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Extended Power Uprate License Amendment Request ML1119903462011-07-28028 July 2011 Meeting Presentation, Prairie Island Nuclear Generating Plant - Failure to Maintain the Train a and B Direct Current Electrical Power Subsystems Operable ML1113703982011-05-20020 May 2011 Notice of Forthcoming Pre-Application Meeting with Licensee for Prairie Island Nuclear Generation Plant, Units 1 and 2, to Discuss Proposed Technical Specification and Licensing Basis Changes to Diesel Fuel Oil System ML1104702792011-02-16016 February 2011 Notice of Forthcoming Meeting with Licensee for Prairie Island Nuclear Generating Plant, Unit 1 to Discuss License Amendment Request to Revise Surveillance Requirement Footnote in Technical Specification 3.8.1, AC Sources - Operating. ML1100502702011-01-0505 January 2011 Notice of Closed Pre-Application Meeting NSPM Staff to Discuss Proposed Physical Security Plan Changes That Will Be Submitted for NRC Review and Approval Via License Amendment Request ML1032603272010-11-24024 November 2010 Notice of Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Spent Fuel Pool Criticality and Extended Power Uprate ML1023805712010-08-25025 August 2010 Meeting Presentation Alternative Source Term Steam Generator Tube Rupture Margin to Overfill Evaluation - Prairie Island Nuclear Generating Plant ML1022200872010-08-10010 August 2010 Forthcoming Meeting with Northern States Power Company - Minnesota (Nspm), to Discuss the Prairie Island Nuclear Generating Plant Steam Generator Margin-to-Overfill Analysis as It Relates to Pingp'S License Amendment Request to Adopt... ML1009707112010-04-0808 April 2010 Revised Notice of Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Extended Power Uprate License Amendment Request ML1008205732010-03-26026 March 2010 Notice of Forthcoming Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Extended Power Uprate License Amendment Request ML0932901282009-12-0101 December 2009 Licensee Slides for Public Meeting ML0933102842009-12-0101 December 2009 Notice of Meeting with Prairie Island to Address Substantive Cross-Cutting Issues in the Area of Human Performance - Slides ML0930900052009-11-0909 November 2009 Agenda - 568th ACRS Meeting, December 3-5, 2009 2024-01-08
[Table view] Category:Meeting Briefing Package/Handouts
MONTHYEARML24029A0382024-01-31031 January 2024 January 31, 2024, Pre-application Meeting Presentation - Prairie Island ISFSI License Amendment Request to Add Grace to License Conditions ML23168A0032023-06-20020 June 2023 Handout for 6/23/2023 Pre-Application Public Meeting with Prairie Island Nuclear Generating Plant to Revise ISFSI TS 4.4 for TN-40HT Casks ML23156A2602023-06-0505 June 2023 2022 Prairie Island End-of-Cycle Meeting Presentation ML23102A1752023-04-14014 April 2023 April 14, 2023 TS 3.7.8 LAR Pre-Submittal Meeting Slides ML22130A5852022-05-10010 May 2022 2021 Monticello and Prairie Island Nuclear Generating Plant End-of-Cycle Meeting Presentation ML22048B1812022-02-18018 February 2022 Pre-Application Meeting for Prairie Island TS 5.6.6, PTLR, LAR ML21221A0202021-08-11011 August 2021 Nis Pr Bypass Test Panel License Amendment Request ML21166A3792021-06-15015 June 2021 Units 1 and 2 2020 End-of-Cycle Meeting Presentation ML21032A2632021-02-0303 February 2021 Slides for Public Meeting with Xcel Energy to Discuss a Planned Amendment to Combine the Emergency Plans and Create a Common Emergency Offsite Facility for Monticello and Prairie Island ML19347B0722019-12-12012 December 2019 TVA and Xcel Energy Slides for Joint Presubmittal Meeting to License Amendment Requests to Adopt WCAP-17661, Revision 1 ML19268A0422019-09-26026 September 2019 Pre-Application Meeting License Amendment Request Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b ML19210D4512019-07-22022 July 2019 Abeyance Seal Preapplication Meeting Slides ML18051A1752018-02-20020 February 2018 Pre-Application Meeting License Amendment for TSTF-425 Relocation of Specific Surveillance Frequency Requirements to a Licensee Controlled Program Xcel Energy 2/20/2018 ML17240A3382017-08-30030 August 2017 Non-Safety Related Digital Feedwater and Amsac/Dss Control Systems Replacement Project Presentation ML17198A2632017-07-17017 July 2017 Pre-Application Meeting ML17066A3732017-03-0909 March 2017 Spent Fuel Pool Criticality Technical Specification Changes Round 2 Request for Additional Information Public Meeting: March 9, 2017 ML17037D1172017-02-0707 February 2017 License Amendment Requests for Change in Emergency Plan Staff Augmentation Response Times Pre-Submittal Meeting for Prairie Island Nuclear Generating Plant Monticello Nuclear Generating Plant: February 7, 2017 ML17023A0652017-01-24024 January 2017 Pre-Submittal Call Regarding License Amendment Requests for Prairie Island Nuclear Generating Plant, Units 1 and 2 and Monticello Nuclear Generating Plant Emergency Action Level Scheme Changes ML15140A3342015-05-13013 May 2015 Public Meeting 05132015 Licensee Slides Only ML15105A0372015-04-14014 April 2015 Xcel Energy Slide Presentation to Support Pre-Application Meeting on April 14, 2015, to Discuss Nuclear Fuel Design Transition to Include Integral Fuel Burnable Absorber (Ifba) at the Prairie Island Nuclear Generating Plant ML14323B0222014-11-19019 November 2014 Regcon, November 19-20, 2014: 03-Info-Session-2 Ronald Johnson - Tribal Perspective on Continued Storage ML14153A0242014-05-16016 May 2014 Xcel Energy'S Presentation Slides Supporting a May 16, 2014, Public Meeting to Discuss the Flood Hazard Reevaluation Schedule for the Monticello and Prairie Island Nuclear Generating Plants ML14058A1732014-02-19019 February 2014 Diesel Generator Steady State Voltage and Frequency Limits - Prairie Island Nuclear Generating Plant Meeting February 19, 2014 ML13210A2012013-07-29029 July 2013 2012 End-of-Cycle Slides - Licensee ML13210A2002013-07-11011 July 2013 2012 End-of-Cycle Slides ML13056A0262013-02-25025 February 2013 Regulatory Conference Slide Presentation ML12340A5402012-12-0606 December 2012 Reactor Core Cooling & Heat Removal FLEX Strategy - Phase 1 ML12326A9712012-11-21021 November 2012 Encl 3 (Handouts - Public) to Summary of October 24, 2012, Meeting with the Northern States Power Company, D/B/A Excel Energy Regarding Security Requirements and Changes Pertaining to Prairie Island TAC L24689 ML12277A1762012-10-0404 October 2012 Steam Generator Replacement Presentation ML12275A4652012-09-27027 September 2012 Meeting September 27, 2012 - Handouts ML12275A3782012-09-27027 September 2012 Xcel Energy Prairie Island Nuclear Generating Plant Meeting Presentation, Diesel Generator Voltage and Frequency Limits. ML12205A2172012-07-23023 July 2012 NRC 2011 End-of-Cycle Slides ML12205A2202012-07-17017 July 2012 Licensee 2012 End-of-Cycle Slides ML12115A3112012-04-24024 April 2012 Meeting Slides: 04/24/2012 Meeting with Xcel Energy NFPA 805 Presubmittal - Prairie Island Nuclear Generating Plant ML1207904792012-03-14014 March 2012 March 14, 2012 Telecon Slides ML1122803892011-08-18018 August 2011 Pre-Application Meeting for Prairie Island Nuclear Generating Plant (Ping) Extended Power Uprate (EPU) ML1119903462011-07-28028 July 2011 Meeting Presentation, Prairie Island Nuclear Generating Plant - Failure to Maintain the Train a and B Direct Current Electrical Power Subsystems Operable ML1117804242011-06-22022 June 2011 June 22, 2011, Meeting Handout #1 - NRC Meeting Diesel Fuel Oil LAR for Prairie Island Ngp ML1120701572011-06-22022 June 2011 June 22, 2011, Meeting Handout #2 - Proposed Technical Specification Changes for Prairie Island Ngp Diesel Fuel Oil LAR ML1106600792011-03-0303 March 2011 March 3, 2011 Meeting Handouts - Revise Footnote in TS 3.8.1, Prairie Island Nuclear Generating Plant ML1034701142010-12-14014 December 2010 Excel Energy Slides for Public Meeting 12/14/2010 to Discuss Human Performance Issues ML1027802642010-10-0404 October 2010 Session 4 - Heather Westra Presentation at October 4, 2010, Public Meeting on Groundwater Protection ML1023805712010-08-25025 August 2010 Meeting Presentation Alternative Source Term Steam Generator Tube Rupture Margin to Overfill Evaluation - Prairie Island Nuclear Generating Plant ML1014502432010-05-26026 May 2010 Responses to Questions from the Prairie Island Indian Community Concerning Issues Related to Prairie Island Nuclear Generating Plant ML1012604192010-05-20020 May 2010 Meeting Presentation Prairie Island Annual Assessment Meeting - Reactor Oversight Program - 2009 ML1012503422010-05-0505 May 2010 Regulatory Conference Slides ML1015801072010-04-28028 April 2010 2R26 Outage, SG Tube Inspection Telecon Slides ML1010604782010-04-15015 April 2010 April 15, 2010, Meeting Slides - Pre-Application Meeting for Prairie Island Ngp Extended Power Uprate ML0932901282009-12-0101 December 2009 Licensee Slides for Public Meeting ML0931003422009-11-0303 November 2009 HAB Drill Conference Call 2024-01-31
[Table view] Category:Slides and Viewgraphs
MONTHYEARML24029A0382024-01-31031 January 2024 January 31, 2024, Pre-application Meeting Presentation - Prairie Island ISFSI License Amendment Request to Add Grace to License Conditions ML23168A0032023-06-20020 June 2023 Handout for 6/23/2023 Pre-Application Public Meeting with Prairie Island Nuclear Generating Plant to Revise ISFSI TS 4.4 for TN-40HT Casks ML23156A2602023-06-0505 June 2023 2022 Prairie Island End-of-Cycle Meeting Presentation ML23102A1752023-04-14014 April 2023 April 14, 2023 TS 3.7.8 LAR Pre-Submittal Meeting Slides ML22130A5852022-05-10010 May 2022 2021 Monticello and Prairie Island Nuclear Generating Plant End-of-Cycle Meeting Presentation ML22048B1812022-02-18018 February 2022 Pre-Application Meeting for Prairie Island TS 5.6.6, PTLR, LAR ML21166A3792021-06-15015 June 2021 Units 1 and 2 2020 End-of-Cycle Meeting Presentation ML21124A0652021-05-0606 May 2021 Xcel Energy Presentation for May 6, 2021 Public Meeting to Discuss 24-Month Cycles at Prairie Island Nuclear Generating Plant, Units 1 and 2 ML21032A2632021-02-0303 February 2021 Slides for Public Meeting with Xcel Energy to Discuss a Planned Amendment to Combine the Emergency Plans and Create a Common Emergency Offsite Facility for Monticello and Prairie Island ML20266F1052020-09-23023 September 2020 (PINGP) COVID-19 Exemption Request for the 2020 Biennial Emergency Preparedness Exercise ML20212L8622020-07-29029 July 2020 2019 Monticello and Prairie Island EOC Presentation from Webinar ML20098F0682020-04-0909 April 2020 Preapplication Teleconference Presentation: License Amendment Request to Adopt TSTF-569 ML20057D3082020-02-18018 February 2020 Slides Potential License Amendment to Remove Note from LCO 3.4.12 and LCO 3.4.13 ML19268A0422019-09-26026 September 2019 Pre-Application Meeting License Amendment Request Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b ML19210D4512019-07-22022 July 2019 Abeyance Seal Preapplication Meeting Slides ML19071A2782019-03-0707 March 2019 Enclosure 3: Meeting Slides (Summary of February 28, 2019, Public Meeting with Xcel Energy to Discuss Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island ISFSI (W/Enclosures 1 and 2)) ML18162A0262018-06-12012 June 2018 License Amendment Request to Reclassify Certain Fuel Handling Equipment ML18051A1752018-02-20020 February 2018 Pre-Application Meeting License Amendment for TSTF-425 Relocation of Specific Surveillance Frequency Requirements to a Licensee Controlled Program Xcel Energy 2/20/2018 ML17240A3382017-08-30030 August 2017 Non-Safety Related Digital Feedwater and Amsac/Dss Control Systems Replacement Project Presentation ML17198A2632017-07-17017 July 2017 Pre-Application Meeting ML17209A1192017-07-17017 July 2017 Summary of July 17, 2017, Meeting with Northern States Power Company, Doing Business as Xcel Energy, on Potential License Amendment Request Related to Heavy Lifting Devices ML17066A3732017-03-0909 March 2017 Spent Fuel Pool Criticality Technical Specification Changes Round 2 Request for Additional Information Public Meeting: March 9, 2017 ML17037D1172017-02-0707 February 2017 License Amendment Requests for Change in Emergency Plan Staff Augmentation Response Times Pre-Submittal Meeting for Prairie Island Nuclear Generating Plant Monticello Nuclear Generating Plant: February 7, 2017 ML17023A0652017-01-24024 January 2017 Pre-Submittal Call Regarding License Amendment Requests for Prairie Island Nuclear Generating Plant, Units 1 and 2 and Monticello Nuclear Generating Plant Emergency Action Level Scheme Changes ML16280A0352016-09-29029 September 2016 Flood Hazard Reevaluation Report - Response to Requested Information (CAC Nos. MF7710 and MF7711) - Figure 1 of 3 ML16280A0372016-09-29029 September 2016 Flood Hazard Reevaluation Report - Response to Requested Information (CAC Nos. MF7710 and MF7711) - Figure 2 of 3 ML16280A0422016-09-29029 September 2016 Flood Hazard Reevaluation Report - Response to Requested Information (CAC Nos. MF7710 and MF7711) - Figure 3 of 3 ML15140A3342015-05-13013 May 2015 Public Meeting 05132015 Licensee Slides Only ML15127A6562015-05-0707 May 2015 PI EOC Mtg NRC Slides ML15105A0372015-04-14014 April 2015 Xcel Energy Slide Presentation to Support Pre-Application Meeting on April 14, 2015, to Discuss Nuclear Fuel Design Transition to Include Integral Fuel Burnable Absorber (Ifba) at the Prairie Island Nuclear Generating Plant ML14323B0222014-11-19019 November 2014 Regcon, November 19-20, 2014: 03-Info-Session-2 Ronald Johnson - Tribal Perspective on Continued Storage ML14162A5202014-06-11011 June 2014 Slides: Prairie Island Independent Spent Fuel Storage Installation - License Renewal Application - Discussion of Requests for Additional Information, for June 16, 2014, Public Meeting ML14153A0242014-05-16016 May 2014 Xcel Energy'S Presentation Slides Supporting a May 16, 2014, Public Meeting to Discuss the Flood Hazard Reevaluation Schedule for the Monticello and Prairie Island Nuclear Generating Plants ML14084A3242014-03-21021 March 2014 M140321: Slides - Presented by Multiple Participants at Commission Briefing on Waste Confidence Rulemaking ML13210A2012013-07-29029 July 2013 2012 End-of-Cycle Slides - Licensee ML13210A2002013-07-11011 July 2013 2012 End-of-Cycle Slides ML13056A0262013-02-25025 February 2013 Regulatory Conference Slide Presentation ML12340A5402012-12-0606 December 2012 Reactor Core Cooling & Heat Removal FLEX Strategy - Phase 1 ML12326A9712012-11-21021 November 2012 Encl 3 (Handouts - Public) to Summary of October 24, 2012, Meeting with the Northern States Power Company, D/B/A Excel Energy Regarding Security Requirements and Changes Pertaining to Prairie Island TAC L24689 ML12277A1762012-10-0404 October 2012 Steam Generator Replacement Presentation ML12275A3782012-09-27027 September 2012 Xcel Energy Prairie Island Nuclear Generating Plant Meeting Presentation, Diesel Generator Voltage and Frequency Limits. ML12205A2172012-07-23023 July 2012 NRC 2011 End-of-Cycle Slides ML12205A2202012-07-17017 July 2012 Licensee 2012 End-of-Cycle Slides ML12115A3112012-04-24024 April 2012 Meeting Slides: 04/24/2012 Meeting with Xcel Energy NFPA 805 Presubmittal - Prairie Island Nuclear Generating Plant ML1207904792012-03-14014 March 2012 March 14, 2012 Telecon Slides ML1122803892011-08-18018 August 2011 Pre-Application Meeting for Prairie Island Nuclear Generating Plant (Ping) Extended Power Uprate (EPU) ML1119903462011-07-28028 July 2011 Meeting Presentation, Prairie Island Nuclear Generating Plant - Failure to Maintain the Train a and B Direct Current Electrical Power Subsystems Operable ML1117804242011-06-22022 June 2011 June 22, 2011, Meeting Handout #1 - NRC Meeting Diesel Fuel Oil LAR for Prairie Island Ngp ML1110200652011-04-14014 April 2011 NRC Slides for EOC Meeting ML1106600792011-03-0303 March 2011 March 3, 2011 Meeting Handouts - Revise Footnote in TS 3.8.1, Prairie Island Nuclear Generating Plant 2024-01-31
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N R C R e g i o n I I I R e g u l a t o r y C o n f e r e n c e F a i l u r e t o M a i n t a i n t h e T r a i n A a n d B D i r e c t C u r r e n t E l e c t r i c a l P o w e r S u b s y s t e m s O p e r a b l e J u l y 2 8 , 2 0 1 1 P r a i r i e I s l a n d N u c l e a r G e n e r a t i n g P l a n t P r a i r i e I s l a n d N u c l e a r G e n e r a t i n g P l a n t 2 A g e n d aO p e n i n g R e m a r k s -M a r k S c h i m m e lS e q u e n c e o f E v e n t s -K e v i n D a v i s o nC a u s e s a n d C o r r e c t i v e A c t i o n s -K e v i n D a v i s o nR e g u l a t o r y S i g n i f i c a n c e -J o h n B i c k e lO p e r a t o r A c t i o n s -D a r r e l l L a p c i n s k i C o n c l u s i o n -M a r k S c h i m m e lC l o s i n g R e m a r k s -D e n n i s K o e h l 3 O p e n i n g R e m a r k sX c e l E n e r g y t a k e s i t s o b l i g a t i o n t o p r o t e c t t h e h e a l t h a n d s a f e t y o f t h e p u b l i c v e r y s e r i o u s l yV i o l a t i o nF a i l u r e t o m a i n t a i n t h e T r a i n A a n d B d i r e c t c u r r e n t e l e c t r i c a l p o w e r s u b s y s t e m s o p e r a b l eA g r e e w i t h t h e p e r f o r m a n c e d e f i c i e n c y a n d v i o l a t i o nD i s a g r e e w i t h t h e s i g n i f i c a n c e M o r e t h a n a d e q u a t e t i m e t o d i a g n o s e c h a r g e r l o c k u p 4 S e q u e n c e o f E v e n t s K e v i n D a v i s o n -P l a n t M a n a g e r 5 S e q u e n c e o f E v e n t s 1 9 9 6 1 2 B a t t e r y C h a r g e r l o c k u p d u r i n g I S I 1 9 9 4 / 9 5 B a t t e r y c h a r g e r s i n s t a l l e d 1 9 9 4 1 9 9 7 2 0 0 0 2 0 0 3 2 0 0 6 2 0 0 9 2 0 1 2 1 9 9 7 F o l l o w u p t e s t i n g o f U n i t 1 b a t t e r y c h a r g e r s 1 9 9 9 T e s t p r o c e d u r e r e v i s e d t o r e m o v e 1 2 B a t t e r y C h a r g e r 2 0 0 5 1 2 B a t t e r y C h a r g e r m o d c a n c e l l e d O c t 2 0 1 0 T S 3.8.1.B E n t e r e d f o r D 2 E D G; E x i g e n t T S c h a n g e a p p r o v e d F e b 2 0 1 2 U n i t 2 b a t t e r y c h a r g e r s t o b e r e p l a c e d 1 9 9 9 B a t t e r y c h a r g e r m o d r e q u e s t s 2 0 0 2 I m p r o v e d S t a n d a r d T e c h S p e c i m p l e m e n t e d J u n e 2 0 1 0 S i t e s t a f f e n t e r s 1 2 B a t t e r y C h a r g e r t e s t i n g i s s u e s i n t o C A P M a y 2 0 1 1 U n i t 1 b a t t e r y c h a r g e r s r e p l a c e d 6 C a u s e s a n d C o r r e c t i v e A c t i o nA r o o t c a u s e a n a l y s i s w a s p e r f o r m e d t o i d e n t i f y t h e d i r e c t c a u s e a n d t h e o r g a n i z a t i o n a l a n d p r o g r a m m a t i c b r e a k d o w n s t h a t l e d t o f a i l u r e t o c o r r e c t b a t t e r y c h a r g e r l o c k u p.
7 C a u s e s a n d C o r r e c t i v e A c t i o n sR o o t C a u s e -D i r e c tT h e o r g a n i z a t i o n h a d d e v e l o p e d a b l i n d s p o t t o t h i s i s s u e. O v e r s e v e r a l y e a r s , m u l t i p l e o p p o r t u n i t i e s s u r f a c e d t o i d e n t i f y a n d c o r r e c t t h e c o n d i t i o n 8 C a u s e s a n d C o r r e c t i v e A c t i o n sR o o t C a u s e -P r o g r a m m a t i cR C-1: E q u i p m e n t i s s u e s b e c o m e l o n g-s t a n d i n g w h e n "C"s e v e r i t y l e v e l C A P s a r e a l l o w e d t o b e c l o s e d t o a s e c o n d a r y w o r k p r o c e s s d e l i v e r a b l e , w h i c h m a y b e c a n c e l e d o r e x t e n d e d b e y o n d t h e o r i g i n a l C A P d u e d a t e.R o o t C a u s e -O r g a n i z a t i o n a lR C-2: B e h a v i o r s n e c e s s a r y t o d r i v e l o n g-s t a n d i n g e q u i p m e n t i s s u e s t o t i m e l y r e s o l u t i o n a r e n e i t h e r m o d e l e d , n o r r e q u i r e d b y P l a n t H e a l t h C o m m i t t e e (P H C).
9 C a u s e s a n d C o r r e c t i v e A c t i o n sC o r r e c t i v e A c t i o n -E q u i p m e n t I m p l e m e n t e d c o m p e n s a t o r y a c t i o n s f o r a l l b a t t e r y c h a r g e r sO b t a i n e d a n E x i g e n t T e c h n i c a l S p e c i f i c a t i o n c h a n g eR e p l a c e d a n d r e t e s t e d U n i t 1 B a t t e r y C h a r g e r s (1 R 2 7)S c h e d u l e d r e p l a c e m e n t o f U n i t 2 B a t t e r y C h a r g e r s (2 R 2 7) P r o c u r e m e n t o f S p a r e a n d U n i t 2 c h a r g e r s i n p r o g r e s s.
1 0 C a u s e s a n d C o r r e c t i v e A c t i o n sC o r r e c t i v e A c t i o n -P r o c e s s F o r "C"s e v e r i t y l e v e l C A P s , t o e n s u r e a l l o p e n e q u i p m e n t i s s u e s r e m a i n c a p t u r e d i n t h e c o r r e c t i v e a c t i o n p r o c e s s.E s t a b l i s h a P H C C h a r t e r a n d c h a n g e d b e h a v i o r s t h a t i n c o r p o r a t e s t h e k n o w l e d g e g a i n e d f r o m b e n c h m a r k i n g i n d u s t r y l e a d e r s a n d m a k e i t a v a i l a b l e t o S y s t e m a n d P r o g r a m s E n g i n e e r i n g. P H C n e e d s t o b e d e f i n e d a s t h e c h a m p i o n o f p r o j e c t s f o r p r e s e n t a t i o n t o P R G.
1 1 C a u s e s a n d C o r r e c t i v e A c t i o n sC o r r e c t i v e A c t i o n -P r o c e s sI m p l e m e n t a p e r i o d i c P H C r o l l-u p t o e v a l u a t e e f f e c t i v e n e s s o f r e s o l v i n g e q u i p m e n tL e g a c y I s s u e s P l a n 1 2 C o n c l u s i o nS t a t i o n h a d m u l t i p l e o p p o r t u n i t i e s t o i d e n t i f yC o r r e c t i v e a c t i o n s h a v e f o c u s e d o n:R e p l a c e m e n t o f c h a r g e r sC h a n g i n g b e h a v i o r s o f P H C m e m b e r sP r o c e s s c h a n g e s t o a s s u r e s u s t a i n a b i l i t y 1 3 R e g u l a t o r y S i g n i f i c a n c e S c e n a r i o s & R i s k E v a l u a t i o n J o h n B i c k e l -P R A C o n s u l t a n t E n g i n e e r O p e r a t o r A c t i o n s D a r r e l l L a p c i n s k i -S h i f t M a n a g e r 1 4 1 4 R e g u l a t o r y S i g n i f i c a n c e -S c e n a r i o sL O O P e v e n t w i t h E D G D 1 f a i l e d a n d 1 2 B a t t e r y C h a r g e r L o c k u pS c e n a r i o i s m o s t l i m i t i n g t i m e a v a i l a b l e p r i o r t o b a t t e r y d e p l e t i o nP l a n t e m e r g e n c y l i g h t i n g p o w e r e d f r o m t h e 1 2 b a t t e r yM i n i m u m d e s i g n v o l t a g e o n 1 2 b a t t e r y w i l l b e r e a c h e d i n t h r e e h o u r sM o s t r i s k s i g n i f i c a n t s e q u e n c e f r o m t h e P I N G P P R A e v a l u a t i o n s N o t e d b y t h e N R C t o b e s i g n i f i c a n t r i s k c o n t r i b u t o rF a i l u r e o f t h e E D G D 1 w o u l d c a u s e t h e o p e r a t o r s t o p e r f o r m a d d i t i o n a l a c t i o n sL O O P e v e n t w i t h 1 1 a n d 1 2 B a t t e r y C h a r g e r L o c k u p E D G D 1 s u c c e s s f u l l y o p e r a t e sS c e n a r i o i s n o t a s l i m i t i n g i n t i m e a s s c e n a r i o l i s t e d a b o v eP l a n t e m e r g e n c y l i g h t i n g p o w e r e d f r o m t h e A C s o u r c e (E D G D 1 o p e r a t e s).M i n i m u m d e s i g n v o l t a g e o n 1 1 b a t t e r y r e a c h e d i n s i x a n d a h a l f h o u r s.M i n i m u m d e s i g n v o l t a g e o n 1 2 b a t t e r y r e a c h e d i n s e v e n a n d a h a l f h o u r s.
1 5 R e g u l a t o r y S i g n i f i c a n c e -S c e n a r i o s L O O P , E D G D 1 F a i l u r e & 1 2 B a t t e r y C h a r g e r L o c k u p L O O P O c c u r s 1 2 B a t t e r y R e a c h e s M i n i m u m D e s i g n V o l t a g e T=0 T< 1 D G S t a r t S i g n a l T<1 E D G l o a d e d & F a i l e d; C h a r g e r l o c k u p T=1 8 0 T i m e l i n e i n m i n u t e s T<6 0 T i m e f o r O p e r a t o r s t o D i a g n o s e , C r o s s-t i e B u s e s & R e s e t C h a r g e r 1 6 R e g u l a t o r y S i g n i f i c a n c e -S c e n a r i o s L O O P , 1 1 & 1 2 B a t t e r y C h a r g e r L o c k u p L O O P O c c u r s 1 1 B a t t e r y R e a c h e s M i n i m u m D e s i g n V o l t a g e T=0 T< 1 D G S t a r t S i g n a l T<1 E D G l o a d e d; C h a r g e r l o c k u p T=3 9 0 T i m e l i n e i n m i n u t e s T<6 0 T i m e n e e d e d f o r O p e r a t o r s t o D i a g n o s e & R e s e t C h a r g e r T=4 5 0 1 2 B a t t e r y R e a c h e s M i n i m u m D e s i g n V o l t a g e 1 7 O p e r a t o r A c t i o n s -I m m e d i a t eI m m e d i a t e A c t i o n s F o l l o w i n g L O O P E v e n t (m e m o r i z e d a c t i o n s)1 E-0 R e a c t o r T r i p o r S a f e t y I n j e c t i o nS t e p 1: V e r i f y R e a c t o r t r i pS t e p 2: V e r i f y T u r b i n e t r i pS t e p 3: V e r i f y B o t h S a f e g u a r d s B u s e s -E n e r g i z e dL e a d R e a c t o r O p e r a t o r (R O) w i l l r e c o g n i z e t h a t E D G D 1 h a s f a i l e d a n d B u s 1 5 i s d e e n e r g i z e d. R e s p o n s e N o t O b t a i n e d: "I F o n e b u s d e e n e r g i z e d , T H E N i n i t i a t e a c t i o n t o r e s t o r e p o w e r t o d e e n e r g i z e d s a f e g u a r d s b u s p e r 1 C 2 0.5 A O P 1 , R E E N E R G I Z I N G 4.1 6 K V B U S 1 5. S t e p 4: C h e c k i f S I i s A c t u a t e dO p e r a t o r s w i l l t r a n s f e r t o 1 E S-0.1 , R e a c t o r T r i p R e c o v e r yN o S a f e t y i n j e c t i o n 1 8 O p e r a t o r A c t i o n s -T r i p R e c o v e r y T r a n s i t i o n t o 1 E S-0.1 , R e a c t o r T r i p R e c o v e r yC o n t r o l R o o m S u p e r v i s o r (C R S) w i l l r e s t o r e n o r m a l a l a r m r e s p o n s e p r o t o c o l p e r F P-O P-C O O-0 1 "C o n d u c t o f O p e r a t i o n s", A t t a c h m e n t 1 "A l a r m R e s p o n s e".C r e w B r i e f w i l l b e p e r f o r m e d.C R S w i l l d i r e c t t h e R O s t o p e r f o r m a b o a r d w a l k d o w n a n d r e p o r t a n y a l a r m s t h a t a r e u n e x p e c t e d f o r t h e L O O P/r e a c t o r t r i p. O p e r a t o r s a r e t r a i n e d t o l o o k a t e l e c t r i c a l s o u r c e s f o l l o w i n g L O O P e v e n t. P a t t e r n o f a n n u c i a t o r s w i l l a l s o b e e v i d e n t.
1 9 O p e r a t o r A c t i o n s -E m e r g e n c y P l a n S h i f t M a n a g e r A s s u m e s R o l e o f E m e r g e n c y D i r e c t o r W i t h i n 1 5 m i n u t e s , E m e r g e n c y P l a n n i n g c l a s s i f i c a t i o n i s r e q u i r e dT o d e t e r m i n e e s c a l a t i o n c r i t e r i a , S h i f t M a n a g e r w i l l e v a l u a t e a l a r m s o n e l e c t r i c a l p o w e r p a n e lM u l t i p l e p e o p l e t h r o u g h m u l t i p l e p r o c e d u r a l i z e d p a t h s g i v e m a n y o p p o r t u n i t i e s t o d i a g n o s e l o c k u p o f a b a t t e r y c h a r g e r.
2 0 O p e r a t o r A c t i o n s -C o n t r o l R o o m U n i t 2 U n i t 1 2 1 O p e r a t o r A c t i o n s -C o n t r o l R o o m C o n t r o l R o o m f r o m t h e U n i t 1 s i d e. T h e e l e c t r i c a l p o w e r a n n u n c i a t o r p a n e l i s s h o w n b e t w e e n U n i t 1 a n d U n i t 2 C o n t r o l R o o m s w h e r e i t c a n b e e a s i l y s e e n a n d m o n i t o r e d b y b o t h u n i t s o p e r a t o r s.
2 2 O p e r a t o r A c t i o n sA f t e r t h e p l a n t i s s t a b i l i z e d t h e o p e r a t o r s w i l l w a l k t h e p a n e l s. D u r i n g a L O O P , t h e p o w e r p a n e l w i l l b e a p r i o r i t y.T h e d i f f e r e n c e i n t h e p a t t e r n f o r U n i t 1 a n d U n i t 2 A n n u n c i a t o r s w i l l b e q u i c k l y i d e n t i f i e d. O p e r a t o r s a r e t r a i n e d t o i d e n t i f y d i s c r e p a n c i e s t o t h e n o r m.
2 3 U n i t 2 G-P a n e l A l a r m s U n i t 1 G-P a n e l A l a r m s 2 4 O p e r a t o r A c t i o n s -R e s t o r e B u s 1 5P e r 1 E-0 , S t e p 3 R N O: I F o n e b u s d e e n e r g i z e d , T H E N i n i t i a t e a c t i o n t o r e s t o r e p o w e r t o d e e n e r g i z e d s a f e g u a r d s b u s p e r 1 C 2 0.5 A O P 1 , R E E N E R G I Z I N G 4.1 6 K V B U S 1 5. U n i t 1 S S w i l l i n s t r u c t U n i t 1 L e a d R O t o e n t e r 1 C 2 0.5 A O P 1 p e r 1 E-0. D i s p a t c h o u t p l a n t o p e r a t o r t o l o c a l l y c h e c k E D G D 1.P e r 1 C 2 0.5 A O P 1 , i t w o u l d b e d e t e r m i n e d t h a t n o l o c k o u t e x i s t s o n B u s 1 5 a n d i s a v a i l a b l e f o r r e p o w e r i n gD u e t o L O O P e v e n t a n d D 1 E D G f a i l u r e , B u s 1 5 w i l l b e r e e n e r g i z e d v i a b u s-t i e b r e a k e r s p e r 1 C 2 0.5 A O P 4.
2 5 O p e r a t o r A c t i o n s -C h a r g e r R e s t a r tC u e s A v a i l a b l e T o O p e r a t o r1 2 D C S y s t e m T r o u b l e A l a r m (4 7 0 2 4-1 1 0 5)1 2 D C P a n e l U n d e r v o l t a g e A l a r m (4 7 0 2 4-1 2 0 4)A l a r m R e s p o n s e P r o c e d u r e s (A R P) w i l l i n s t r u c t o p e r a t o r t o r e v i e w b a t t e r y d a t a i n d i c a t i o n o n t h e E m e r g e n c y R e s p o n s e C o m p u t e r S y s t e m (E R C S).
2 6 O p e r a t o r A c t i o n s -C h a r g e r R e s t a r t O p e r a t o r s a r e t r a i n e d t o u s e a l l a v a i l a b l e i n d i c a t i o n. T h e E m e r g e n c y R e s p o n s e C o m p u t e r S y s t e m (E R C S) w i l l b e i n i t i a t e d t o d e t e r m i n e s t a t u s o f t h e b a t t e r i e s. T h i s s c r e e n i s a v a i l a b l e o n t h e p o w e r p a n e l a n d w o u l d c o n t i n u e t o h a v e p o w e r d u r i n g a L O O P.
2 7 2 8 2 9 3 0 3 1 3 1 3 2 O p e r a t o r A c t i o n s -C h a r g e r R e s t a r tP r o c e d u r e I n s t r u c t i o n t o R e s t a r t B a t t e r y C h a r g e rA R P w i l l a l s o r e f e r o p e r a t o r t o 1 C 2 0.9 A O P 4: F a i l u r e o f 1 2 B a t t e r y C h a r g e r.1 C 2 0.9 A O P 4 (A t t a c h m e n t B) -R e v 1 0 , p r o v i d e s i n s t r u c t i o n t o r e s t a r t b a t t e r y c h a r g e r.O u t p l a n t o p e r a t o r r e q u i r e d.O u t p l a n t O p e r a t o r s A v a i l a b l e t o R e s p o n dT w o T u r b i n e B u i l d i n g (T B) O p e r a t o r s p e r U n i t (4 t o t a l).T w o o f t h e o p e r a t o r s (o n e p e r u n i t) p e r f o r m i m m e d i a t e a c t i o n s o f 1 E S-0.1 , A t t a c h m e n t J.T w o T B O p e r a t o r s a v a i l a b l e t o r e s p o n d t o E D G D 1 f a i l u r e a n d 1 2 B a t t e r y C h a r g e r.I n a d d i t i o n , a l t h o u g h n o t c r e d i t e d i n t h e P R A a n a l y s i s , A u x i l i a r y B u i l d i n g (A B) o p e r a t o r (2 t o t a l) c a n b e a v a i l a b l e t o r e s p o n d t o T B i s s u e s s i n c e t h i s s c e n a r i o w o u l d n o t r e q u i r e o u t p l a n t a c t i o n s i n t h e A B.
3 3 O p e r a t o r A c t i o n s -C h a r g e r R e s t a r tC o m p l e x i t y o f T a s k a n d T i m e T o C o m p l e t e A c t i o nS i m p l e a c t i o n , o p e n a n d c l o s e A C I n p u t B r e a k e r o n f r o n t p a n e l.B o t h t h e c o n t r o l r o o m a n d o u t p l a n t a c t i o n t i m e s w e r e c o n f i r m e d d u r i n g t w o s i m u l a t o r c a s e s t u d i e s.A p p r o x i m a t e t i m e t o c o m p l e t e B u s 1 5 r e p o w e r a n d r e s t a r t o f 1 2 b a t t e r y c h a r g e r a c t i o n s b a s e d o n t w o s i m u l a t o r c a s e s t u d i e s: l e s s t h a n 6 0 m i n u t e s 3 4 O p e r a t o r A c t i o n s T h e o n l y m a n u a l a c t i o n r e q u i r e d t o p h y s i c a l l y r e s e t t h e b a t t e r y c h a r g e r i s t o s w i t c h t h e A C I n p u t b r e a k e r s h o w n a b o v e o n t h e l e f t f r o m t h e O f f t o t h e O n p o s i t i o n.
3 5 O p e r a t o r A c t i o n s -C o n c l u s i o n B a t t e r y C h a r g e r R e s e t1 E S-0.1 T r i p R e c o v e r y O p e r a t o r C u e s 1 2 D C T r o u b l e A l a r m 1 2 D C P a n e l U V A l a r m C o m p u t e r a l a r m s / i n d i c a t i o n s E A L E s c a l a t i o n C r i t e r i a P r o c e d u r e s A R P & A O P F a i l u r e o f 1 2 B a t t e r y C h a r g e r R e s p o n s e S i m p l e A c t i o n D i r e c t e d b y P r o c e d u r e L O O P w/ D 1 F a i l u r e 1 E-0 T r i p a n d S I A O P t o R e s t o r e B u s 1 5 B u s 1 5 R e s t o r e d T-0 T-6 0 3 6 3 6 R i s k E v a l u a t i o nK e y R i s k S i g n i f i c a n c e Q u e s t i o n:"D o o p e r a t o r s h a v e e n o u g h t i m e t o d e t e c t a n d r e s e t t r i p p e d b a t t e r y c h a r g e r , b e f o r e b a t t e r i e s b e c o m e u n a v a i l a b l e ?"X c e l H E P a n a l y s i s: H E P=8.9 E-4 (E P R I H R A C a l c.)N R C a n a l y s i s: H E P=2.2 E-2 (S P A R-H) 3 7 3 7 R i s k E v a l u a t i o nR A S P M a n u a l V o l.3 S e c t i o n 2.3 r e q u i r e s:"T e c h n i c a l r e v i e w s. C h e c k w h e t h e r a k n o w l e d g e a b l e s p e c i a l i s t r e v i e w e d t h e r e a s o n a b l e n e s s a n d a c c e p t a b i l i t y o f t h e r e s u l t s o f t h e t h e r m a l h y d r a u l i c , s t r u c t u r a l , o r o t h e r s u p p o r t i n g e n g i n e e r i n g b a s e s t h a t w e r e u s e d t o j u s t i f y t h e s u c c e s s c r i t e r i a. (S C-B 5)"F i d e l i t y t o a s-b u i l t d e s i g n:F o r C C F o f B a t t e r y C h a r g e r s s c e n a r i o w i t h b o t h d i e s e l s r u n n i n g (n o e m e r g e n c y l i g h t i n g l o a d s o n b a t t e r y) -7.5 h r 7.5 h r b a t t e r y c a p a c i t y b a t t e r y c a p a c i t yF o r D 1 d i e s e l f a i l u r e a n d 1 2 C h a r g e r t r i p -3 h r b a t t e r y 3 h r b a t t e r y c a p a c i t y c a p a c i t y 3 8 R i s k E v a l u a t i o nR A S P M a n u a l V o l. 1 , S e c t i o n 6.3.1 r e q u i r e s c o n s i d e r i n g f o l l o w i n g i n t h e r e c o v e r y a n a l y s i s:"D e m o n s t r a t i o n t h a t t h e a c t i o n i s p l a u s i b l e a n d f e a s i b l e f o r t h e s c e n a r i o s t o w h i c h r e c o v e r y/r e p a i r a c t i o n a r e a p p l i e d (H L R-H R-H).""A v a i l a b i l i t y o f p r o c e d u r e s , o p e r a t o r t r a i n i n g , c u e s , a n d m a n p o w e r (H R-H 2).""R e l e v a n t s c e n a r i o-s p e c i f i c p e r f o r m a n c e s h a p i n g f a c t o r s i n t h e H R A (H R-H 2 a n d H R-G 3)."3 8 3 9 3 9 R i s k E v a l u a t i o n 4 0 4 0 R i s k E v a l u a t i o nT o o b t a i n H E P=2.2 E-2 , N R C S P A R-H t r e a t m e n t o m i t s c o n s i d e r a t i o n o f a v a i l a b l e t i m eW i t h c o m m o n c a u s e c h a r g e r f a i l u r e a n d D 1/D 2 o p e r a b l e: 7.5 h r s a v a i l a b l e f o r r e c o v e r yW i t h D 1 f a i l i n g a n d l i g h t i n g t r a n s f e r r e d t o b a t t e r y: 3 h r s a v a i l a b l e f o r r e c o v e r yP e r t h e S P A R-H m o d e l: 1 h r t o d e t e c t/r e s e t 3 h r b a t t e r i e s (e x p a n s i v e t i m e)1.5 h r t o d e t e c t/r e s e t 3 h r b a t t e r i e s (e x p a n s i v e t i m e)1.5 h r t o d e t e c t r e s e t 2.5 h r b a t t e r i e s (e x t r a t i m e) 4 1 4 1 R i s k E v a l u a t i o n 4 2 4 2 R i s k E v a l u a t i o nP e e r R e v i e w o f S P A R-H m o d e lP a g e I-1 7 o f N U R E G/C R-6 8 8 3 s t a t e s:"W e d o r e d u c e t h e H E P f o r "a t-p o w e r"s i t u a t i o n s w h e r e t h e r e i s e x t r a o r e x p a n s i v e t i m e a v a i l a b l e , b e y o n d a c e r t a i n t i m e m i n i m u m c o r r e s p o n d i n g t o i n t e r p r e t a t i o n o f t h e T H E R P d i a g n o s i s c u r v e s."
4 3 4 3 R i s k E v a l u a t i o n I n c o n c l u s i o n , i f N R C w e r e t o c o n s i d e r:"A s-b u i l t , A s-o p e r a t e d"b a t t e r y c a p a c i t y T i m e a v a i l a b l e f o r r e s e t t i n g t r i p p e d c h a r g e r f o r t h e d o m i n a n t s e q u e n c e s o f i n t e r e s tP e r S P A R-H p r o c e s s t h e r e i s E x t r a/E x p a n s i v e t i m e R i s k s i g n i f i c a n c e i s G R E E N.
4 4 4 4 C o n c l u s i o n M a r k S c h i m m e l -S i t e V i c e P r e s i d e n t 4 5 4 5 C l o s i n g R e m a r k s D e n n i s K o e h l -C h i e f N u c l e a r O f f i c e r 4 6