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MONTHYEARML1032700672010-11-24024 November 2010 Notice of Forthcoming Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request Project stage: Meeting ML1036100742011-01-0505 January 2011 Summary of Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 Project stage: Meeting ML1101205642011-01-13013 January 2011 Notice of Forthcoming Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 Project stage: Meeting ML1104201832011-02-23023 February 2011 Summary of Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 Project stage: Meeting ML1105602942011-02-25025 February 2011 E-mail, Questions for Future Pre-Licensing Meeting #3 with Pacific Gas and Electric Company to Discuss Long-Term Seismic Program License Amendment Request Project stage: Meeting ML1107601122011-03-18018 March 2011 Notice of Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 Project stage: Meeting ML1110203792011-03-31031 March 2011 Transcript of Pre-Licensing Meeting with Representatives of Pacific Gas and Electric Company Project stage: Meeting ML1109101322011-03-31031 March 2011 Licensee Handouts from 3/31/11 Meeting with Pacific Gas and Electric Station Seismic Update Project stage: Meeting ML1109101462011-03-31031 March 2011 Licensee Slides from 3/31/11 Meeting with Pacific Gas and Electric Company Deterministic Comparison Project stage: Meeting ML1109101572011-03-31031 March 2011 Licensee Slides from 3/31/11 Meeting with Pacific Gas and Electric Company Change in Probabilistic Hazard Project stage: Meeting ML1113206372011-05-13013 May 2011 Summary of 3/31/11 Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 Project stage: Meeting ML1115401242011-06-0202 June 2011 Email 5/27/11 Teleconference on Proposed Long-term Seismic Program License Amendment Request Project stage: Meeting ML1115908732011-06-0909 June 2011 Notice of Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 Project stage: Meeting ML1117205702011-06-20020 June 2011 Licensee Slides from 6/20/11 Pre-Licensing Meeting on Seismic License Amendment Request Project stage: Meeting ML1117206342011-06-20020 June 2011 Draft Seismic Information Evaluation Flowchart Project stage: Draft Other ML1119205672011-07-29029 July 2011 6/20/11 - Summary of Meeting with Representatives of Pacific Gas and Electric Company to Discuss Pre-Application for Seismic License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 Project stage: Meeting 2011-03-18
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Category:Meeting Summary
MONTHYEARML24157A0252024-07-0101 July 2024 Memo to Michelle Rome Summary of 4/4/2024 Meeting with CA Shpo ML24143A1202024-06-0303 June 2024 Memo to Michelle Rome Summary of 4/5/2024 Meeting with Ytt ML24108A1482024-05-0707 May 2024 February 2024 Environmental Scoping Meetings Related to the Diablo Canyon LRA - Memo ML24108A1472024-05-0707 May 2024 February 2024 Diablo Canyon Public Scoping Meetings - Summary ML24081A3362024-03-22022 March 2024 Summary of March 7, 2024, Closed Presubmittal Meeting with Pacific Gas and Electric Company Alternative Security Measures for Early Warning System License Amendment and Exemption Requests for Diablo Canyon Units 1 and 2 ML23268A4072023-09-27027 September 2023 Summary of September 19, 2023, Closed Public Meeting with Pacific Gas and Electric Company Regarding Alternative Security Measures for Early Warning System License Amendment Request for Diablo Canyon Nuclear Power Plant, Units 1 and 2 ML23265A1902023-09-26026 September 2023 Meeting Summary: September 13, 2023 Diablo Canyon, Units 1 and 2 License Renewal Application Pre-Application Meeting ML23143A2262023-06-0101 June 2023 May 3, 2023, Summary of Public Meeting to Discuss the End of Cycle Assessment and Pre-Submittal License Renewal Process Overview for Diablo Canyon Power Plant, Units 1 and 2 ML22272A5072022-09-29029 September 2022 Summary of September 27, 2022, Closed Meeting with Pacific Gas and Electric Company Regarding Planned Security Plan Changes for Diablo Canyon Nuclear Power Plant, Units 1 and 2 ML22147A0932022-06-0606 June 2022 2021 Annual Assessment Public Meeting Summary ML22126A0162022-05-0909 May 2022 Summary of April 27, 2022, Closed Teleconference with Pacific Gas and Electric Company Regarding Alternative Security Measures for Early Warning System License Amendment Request for Diablo Canyon Nuclear Power Plant, Units 1 and 2 ML21246A0202021-09-0808 September 2021 Summary of August 30, 2021, Pre-Submittal Teleconference with Pacific Gas and Electric Company Regarding a Post-Shutdown Emergency Plan License Amendment Request for Diablo Canyon Nuclear Power Plant, Units 1 and 2 ML21140A3892021-05-24024 May 2021 Riv Column 1 EOC 2020 Public Meeting Summary ML20332A1802020-12-0101 December 2020 Summary of November 24, 2020, Pre-Submittal Teleconference with Pacific Gas and Electric Company a Permanently Defueled Technical Specification License Amendment Request ML20231A6522020-08-24024 August 2020 Summary of Teleconference with Pacific Gas & Electric Company Regarding an Exigent Amendment Request to Modify Diablo Canyon Power Plant, Units 1 & 2, Technical Specification 3.7.5, Auxiliary Feedwater (AFW) System EPID L-2020-LLA-017 ML20189A2832020-07-0707 July 2020 Summary of Region IV Annual Assessment Public Meeting ML19318F5272019-11-15015 November 2019 Summary of the August 27, 2019, Public Meeting Near the Diablo Canyon Nuclear Power Plant Regarding the Establishment and Operation of Community Advisory Boards ML19196A0742019-07-22022 July 2019 Summary of Meeting with Pacific Gas and Electric Company Regarding Forthcoming Activities Associated with Diablo Canyon Nuclear Power Plant, Units 1 and 2 Planned Decommissioning ML19064B2652019-03-14014 March 2019 Summary of February 28, 2019, Public Meeting with Pacific Gas and Electric Company to Discuss the Proposed Relief Request Concerning Reactor Vessel Internal Visual Examination for the Diablo Canyon Nuclear Power Plant, Units 1 & 2 ML18348A4202018-12-31031 December 2018 Summary of Meeting with Pacific Gas & Electric Co. to Discuss Exemption Request to Withdraw Funds from the Nuclear Decommissioning Trusts to Fund Decommissioning Planning Activities at Diablo Canyon Nuclear Power Plant ML18207A7332018-08-10010 August 2018 Summary of Pre-Licensing Meeting with PG&E Co. to Discuss the Proposed LAR to Implement WCAP-16996-A, Revision 1, Realistic LOCA Evaluation Methodology Applied to the Full Spectrum of Break Sizes at Diablo Canyon ML17198A6032017-07-17017 July 2017 Summary of Annual Assessment Meeting Regarding Diablo Canyon Power Plant 2016 Performance ML16190A1782016-07-0808 July 2016 Summary of Annual Assessment Town Hall Meeting and Public Outreach Regarding Diablo Canyon Power Plant 2015 Performance ML16011A2042016-01-14014 January 2016 Summary of Conference Call on January 7, 2016, Between the U.S. NRC and Pacific Gas and Electric Co. Concerning the Responses to RAI for the Review of the Diablo Canyon Power Plant, Units 1 and 2, License Renewal Application (CAC Nos. MF401 ML15343A1272015-12-24024 December 2015 Summary of Meeting with Pacific Gas and Electric to Discuss Diablo Canyon, Units 1 and 2 Amendment Request to Revise UFSAR for Beacon Power Distribution Monitoring System Methodology and TS 5.6.5 (COLR) Paragon and Nexus Methodologies ML15348A1702015-12-17017 December 2015 Summary of Telephone Conference Call Held Between NRC and Pacific Gas and Electric Co., Concerning the RAI Responses Pertaining to the Diablo Canyon Power Plant LRA Environmental Review ML15280A2842015-10-20020 October 2015 Summary of Meeting with Pacific Gas & Electric to Discuss Diablo Canyon, Units 1 and 2 Request to Adopt National Fire Protection Association NFPA 805, Performance-Based Standard for Fire Protection for LWR Generating Plants (2001 Edition), ML15279A4222015-10-0909 October 2015 Summary of 8/25/15 Meeting with Pacific Gas and Electric to Discuss Diablo Canyon Units 1 and 2 Amendment Request to Adopt Risk-Informed Completion Times, TSTF-505, Revision 1, Provide Risk-Informed Extended Completion Times-RITSTF Initiati ML15275A0942015-10-0707 October 2015 Summary of the Severe Accident Mitigation Alternatives Site Audit Related to the Diablo Canyon Power Plant, Units 1 and 2 License Renewal Review ML15275A1302015-10-0707 October 2015 Summary of the Site Audit Related to the Diablo Canyon Power Plant, Units 1 and 2 License Renewal Environmental Review ML15233A0062015-09-10010 September 2015 Summary of Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML15233A0052015-09-0909 September 2015 Summary of Meeting with Pacific Gas and Electric to Discuss Diablo Canyon, Units 1 & 2 License Amendment Request to Adopt Risk-Informed Completion Times, TSTF-505, Revision 1, Provide Risk-Informed Extended Completion Times-RITSTF. Initiati ML15233A4912015-09-0101 September 2015 August 5, 2015, Public Scoping Meetings for the Environmental Review of the Diablo Canyon Power Plant, Units 1 and 2 License Renewal Application ML15209A9442015-07-28028 July 2015 June 24, 2015, Summary of Annual Assessment Meeting with Pacific Gas and Electric and Public Open House Regarding Diablo Canyon Power Plant 2014 Performance ML15125A1862015-05-27027 May 2015 April 28, 2015, Summary of Category 1 Public Meeting with Pacific Gas and Electric Company to Discuss Diablo Canyon'S Seismic Hazard Reevaluation Associated with Implementation of Japan Lessons-Learned Near-Term Task Force Recommendation 2. ML15134A2572015-05-18018 May 2015 5/7/15 Summary of Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML15092A0792015-04-16016 April 2015 July 14-17, 2014 - Summary of Diablo Canyon, Units 1 and 2, Audit to Adopt National Fire Protection Association NFPA 805, Performance-Based Standard for Fire Protection for LWR Generating Plants (2001 Edition) ML15069A0952015-03-24024 March 2015 Summary of Telephone Conference Call Held on March 4, 2015 Between the U.S. Nuclear Regulatory Commission and Pacific Gas and Electric Company Concerning the Diablo Canyon Power Plant, Units 1 and 2, License Renewal Application ML15043A1992015-02-19019 February 2015 2/3/2015 Summary of Meeting with Pacific Gas and Electric Regarding Presubmittal Discussion on Alternate Source Term License Amendment Request for Diablo Canyon Power Plant, Units 1 and 2 ML15037A2482015-02-0505 February 2015 Summary of Regulatory Conference to Discuss Safety Significance of Diablo Canyon Power Plant Protective Action Recommendations for Areas of the Ocean Finding ML14350A2712014-12-22022 December 2014 Summary of 12/11/14 Preapplication Meeting with Pacific Gas and Electric Company to Discuss License Amendment Request to Support Installation of 500 Kilovolt Output Generator Breakers at Diablo Canyon, Units 1 and 2 ML14029A4502014-12-10010 December 2014 Summary of 12/18/13 Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML14295A7332014-11-17017 November 2014 9/24/14 Summary of Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML14197A3522014-07-22022 July 2014 7/9/14 Summary of Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML14157A0912014-06-17017 June 2014 Summary of 5/21/14 Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML14155A3742014-06-0404 June 2014 May 22, 2014, Summary of Annual Assessment Meeting with Pacific Gas and Electric Regarding Diablo Canyon Power Plant 2013 Performance ML14113A4932014-05-0606 May 2014 Summary of Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML14113A4222014-04-23023 April 2014 Public Meeting with Pacific Gas & Electric (Pg&E)To Discuss the Operating Performance for Diablo Canyon Power Plant for the Period January 1 - December 31, 2013 ML13329A4172013-12-30030 December 2013 Summary of Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2 ML13354C0912013-12-23023 December 2013 Summary of Annual Assessment Meeting with Pacific Gas & Electric Re Diablo Canyon Nuclear Power Plant 2012 Performance 2024-07-01
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~".~ REGu( UNITED STATES rq~.§J'" ~o.,..L NUCLEAR REGULATORY COMMISSION
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~~ ~o~ July 29. 2011 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Power Plant, Units 1 and 2
SUBJECT:
SUMMARY
OF JUNE 20, 2011, PRE-LICENSING MEETING WITH PACIFIC GAS AND ELECTRIC COMPANY ON PROPOSED LICENSE AMENDMENT FOR A NEW SEISMIC AND DESIGN EVALUATION PROCESS (TAC NOS. ME5033 AND ME5034)
On June 20, 2011, the U.S. Nuclear Regulatory Commission (NRC) staff conducted a Category 1 pre-licensing public meeting with representatives of Pacific Gas and Electric Company (PG&E, the licensee) for Diablo Canyon Power Plant (DCPP), Units 1 and 2. The June 9,2011, meeting notice and agenda are available in the Agencywide Documents Access and Management System (ADAMS) at Accession No. ML111590873. The purpose of the meeting was to further discuss the licensee's plans to submit a license amendment request (LAR) to incorporate management of new geotechnical seismic information into its design and licensing basis at DCPP, Units 1 and 2. In particular, the NRC staff wanted to discuss the licensee's proposal to designate the Hosgri earthquake (HE) as the safe shutdown earthquake (SSE) for DCPP. The NRC staff had noted during the previous meeting on June 7,2011, that the quantification for the core deterministic analysis margins in the flowchart had been removed.
As such, PG&E wanted to provide an update of the proposed DCPP Long Term Seismic Program Update Flowchart.
During the meeting on June 20, 2011, the licensee presented a set of meeting slides, entitled, "Diablo Canyon Power Plant, Seismic Design and Evaluation Process," which is available at ADAMS Accession No. ML111720570. The licensee also provided the revised Seismic Flowchart, "DCPP LTSP Update - Evaluation of Updated Seismic Hazard Information," which is available at ADAMS Accession No. ML111720634. A summary of the meeting is provided below.
PG&E stated that in addition to the original purposes of the LAR of: 1) defining an evaluation process for newly identified seismic information and 2) clarifying ongoing commitments associated with the Long Term Seismic Program (LTSP), it proposes to define the HE as the SSE for the DCPP. PG&E provided a historical background of the DCPP seismic design basis to support the construction permit and the operating license. PG&E stated that based on its review of the seismic licensing and design basis information efforts, it believes that the HE meets the criteria comparable to that defined in Appendix A, "Seismic and Geologic Siting Criteria for Nuclear Power Plants," to Part 100 of Title 10 of the Code of Federal Regulations (10 CFR) for the SSE. In addition, PG&E stated that the HE seismic design was reviewed by the NRC against the criteria from General Design Criterion 2, "Design bases for protection against natural phenomena," of Appendix A to 10 CFR Part 50, NRC Regulatory Guide 1.29, "Seismic Design Classification," and Appendix A to 10 CFR Part 100. As such, PG&E will request with this LAR that the current DCPP licensing basis be revised so that the HE and not the double design earthquake (DDE) be equated to the SSE. The NRC staff asked, given the
-2 information that PG&E states is available regarding the seismic design of the DCPP, why PG&E reqlJested NRC approval rather than make this change under 10 CFR 50.59. PG&E stated that some of the methods used for the seismic reviews could not be reconciled under 10 CFR 50.59.
The NRC asked if there were any new studies performed to support this proposed change to make the HE the SSE. PG&E stated no. Mr. Kamal Manoly of the NRC staff noted that he believes this is a first of a kind request as he is not aware of any other instance where a licensee has requested to change its SSE. As such, Mr. Manoly stated that the amendment needed to describe where the methodologies and acceptance limits used in the evaluation of structures and components for the HE are deviating from the applicable provisions in the Standard Review Plan (SRP). Mr. Manoly stated that a table providing the deviations from the SRP for the HE should be provided with this LAR. Mr. Michael Markley of the NRC staff stated that because of the uniqueness of this review, he would propose that the LAR be presented to the Advisory Committee on Reactor Safeguards.
The licensee provided a revised flowchart from the meeting handout titled "DCPP LTSP Update
- Evaluation of Updated Seismic Hazard Information." This methodology in this flowchart will be the cornerstone of the new methodology the licensee proposes to include in its licensing basis in its Updated Final Safety Analysis Report (UFSAR). In response to the earlier NRC staff' comments, PG&E added an additional decision box to the flowchart to determine if exceedances of the 1991 LTSP spectra result in a minimum seismic margin below 1.3. PG&E stated it believed that this seismic margin analyses is similar to what is being proposed in Generic Issue 199. The NRC staff stated this appears reasonable and will be reviewed during the amendment process.
PG&E stated that it will submit the LAR before the end of the summer of 2012. The NRC staff thanked PG&E for the presentation. There were members of the public in attendance at the meeting. While Public Meeting Feedback forms were not received, Ms. Rochelle Becker commented on the timing and location of the meeting. Ms. Becker stressed that because of the time difference, morning meetings on the East coast are inconvenient to members of the public on the West coast. Ms. Becker requested that meetings of this significance be held at a later time or on the West Coast so the public could attend. Ms. Becker also noted the phone quality was poor. The NRC staff acknowledged her concerns.
~ 3~
A list of meeting attendees is enclosed. Please direct any inquiries to Alan Wang at 301-415-1445 or Alan.Wang@NRCgov ..
~w Alan B. Wang, ~anager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-275 and 50-323
Enclosure:
List of Attendees cc w/encl: Distribution via Listserv
LIST OF ATTENDEES JUNE 20,2011, MEETING WITH PACIFIC GAS AND ELECTRIC COMPANY U.S. NUCLEAR REGULATORY COMMISSION DOCKET NOS. 50-275 AND 50-323 NRC
Participants:
Headquarters:
Michael Markley, Chief, Plant licensing Branch IV, NRR/DORL Kamal Manoly, Senior Level Advisor for Structural Mechanics, NRRIDE Annie Kammerer, Senior Seismologist/Geophysicist, Structural, Geotechnical & Seismic*
Alan Wang, Project Manager, Plant Licensing Branch IV, NRR/DORL James Polickoski, Project Manager, Plant Licensing Branch IV, NRR/DORL
Michael Peck, Senior Resident Inspector, Diablo Canyon Power Plant
- Pacific Gas and Electric Company
Participants:
Loren Sharp, Senior Director, Technical Services Norman Abrahamson, Principal Consulting Technology Seismologist, Geosciences
- Rich Klimczak, Manager, Design Engineering Ken Ferve, Engineer*
Greg Heggli*
Bill Hourstman, Consulting Engineer, Civil Engineering Philippe Soenen, Licensing Supervisor, Regulatory Services Tom Baldwin, Licensing Manager, Regulatory Services Jennifer Post, Attorney, Environmental Compliance and Nuclear Members of the Public:
Kimberly Keithline, Nuclear Energy Institute David Repka, Winston and Strom Simon Lomaz, Bloomberg News Rochelle Becker, Executive Director, Alliance for Nuclear Responsibility
- David Weisman, Alliance for Nuclear Responsibility*
Greg Hardy, Senior Principal, Simpson, Gumpertz, and Heger
- denotes participating via teleconference
Meetin~ Notice ML111590873 Me~tlng ML111920567 r~~"" .. "~."..~.
OFFICE NRRIDORLlLPL4/PM NRR/DORLlLPL4/LA NRRIDE NRR/DORLlLPL4/BC NRR/DORLlLPL4/PM NAME AWang JBurkhardt KManoly MMarkley AWang DATE 7/25/11 7/22/11 7/25/11 7/29/11 7/29/11