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| {{#Wiki_filter:July 8, 2010 | | {{#Wiki_filter:July 8, 2010 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 |
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| LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2 | |
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| ==SUBJECT:== | | ==SUBJECT:== |
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| ==SUMMARY== | | ==SUMMARY== |
| OF TELEPHONE CONFERENCE CALL HELD ON JUNE 24, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND PACIFIC GAS AND ELECTRIC COMPANY CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2, LICENSE RENEWAL APPLICATION-AGING MANAGEMENT PROGRAMS | | OF TELEPHONE CONFERENCE CALL HELD ON JUNE 24, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND PACIFIC GAS AND ELECTRIC COMPANY CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2, LICENSE RENEWAL APPLICATIONAGING MANAGEMENT PROGRAMS The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Pacific Gas and Electric Company (PG&E) held a telephone conference call on June 24, 2010, to obtain clarification on the staffs draft request for additional information (D-RAI) regarding the Diablo Canyon Nuclear Power Plant license renewal application (LRA). |
| | | By emails dated June 8, 2010, the staff sent D-RAIs to PG&E regarding aging management programs. PG&E reviewed the information contained therein, and requested a telephone conference call. The telephone conference call was useful in clarifying the intent of the staffs D-RAIs. Enclosure 2 provides discussions on D-RAI for which the applicant requested clarification. No changes to other D-RAIs were necessary as a result of this telephone conference call. Formal RAIs will be issued by a separate letter. provides a listing of the participants. |
| The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Pacific Gas and Electric Company (PG&E) held a telephone conference call on June 24, 2010, to obtain clarification on the staff's draft request for additional information (D-RAI) regarding the Diablo Canyon Nuclear Power Plant license renewal application (LRA). | | The applicant had an opportunity to comment on this summary. |
| | | /RA/ |
| By emails dated June 8, 2010, the staff sent D-RAIs to PG&E regarding aging management programs. PG&E reviewed the information contained therein, and requested a telephone conference call. The telephone conference call was useful in clarifying the intent of the staff's D-RAIs. Enclosure 2 provides discussions on D-RAI for which the applicant requested clarification. No changes to other D-RAIs were necessary as a result of this telephone conference call. Formal RAIs will be issued by a separate letter. | | Nathaniel Ferrer, Safety Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket Nos. 50-275 and 50-323 |
| Enclosure 1 provides a listing of the participants.
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| The applicant had an opportunity to comment on this summary. | |
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| /RA/ Nathaniel Ferrer, Safety Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket Nos. 50-275 and 50-323
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| ==Enclosures:== | | ==Enclosures:== |
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| As stated cc: Distribution via Listserv | | As stated cc: Distribution via Listserv |
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| ML101760115 OFFICE LA:DLR PM:RPB2:DLR BC:RPB2:DLR PM:RPB2:DLR NAME SFigueroa NFerrer DWrona NFerrer DATE 06/29/10 07/02/10 07/07/10 07/08/10 Enclosure 1 TELEPHONE CONFERENCE CALL DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2 LICENSE RENEWAL APPLICATION LIST OF PARTICIPANTS JUNE 24, 2010 | | ML101760115 OFFICE LA:DLR PM:RPB2:DLR BC:RPB2:DLR PM:RPB2:DLR NAME SFigueroa NFerrer DWrona NFerrer DATE 06/29/10 07/02/10 07/07/10 07/08/10 |
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| PARTICIPANTS AFFILIATIONSNate Ferrer U.S. Nuclear Re gulator y Commission (NRC) James Medoff NRC Naeem I qbal NRC Yo gen Garud Ar gonne National Laborator y (ANL) Terr y Grebel Pacific Gas and Electric Com p an y (PG&E) Phili ppe Soenen PG&EMichael Wri ght PG&E K yle Duke PG&EDaniel Hardest y PG&EChalmer M yer Strate gic Teamin g And Resource Sharin g (STARS)Dave Kunsemiller STARS | | TELEPHONE CONFERENCE CALL DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2 LICENSE RENEWAL APPLICATION LIST OF PARTICIPANTS JUNE 24, 2010 PARTICIPANTS AFFILIATIONS Nate Ferrer U.S. Nuclear Regulatory Commission (NRC) |
| | James Medoff NRC Naeem Iqbal NRC Yogen Garud Argonne National Laboratory (ANL) |
| | Terry Grebel Pacific Gas and Electric Company (PG&E) |
| | Philippe Soenen PG&E Michael Wright PG&E Kyle Duke PG&E Daniel Hardesty PG&E Chalmer Myer Strategic Teaming And Resource Sharing (STARS) |
| | Dave Kunsemiller STARS Enclosure 1 |
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| Enclosure 2 Diablo Canyon Nuclear Power Plant, Units 1 and 2 License Renewal Application Draft Request for Additional Information Fire Protection D-RAI 2.4-1 Section 2.4 of the LRA does not include the following fire barrier and other fire protection components:
| | Diablo Canyon Nuclear Power Plant, Units 1 and 2 License Renewal Application Draft Request for Additional Information Fire Protection D-RAI 2.4-1 Section 2.4 of the LRA does not include the following fire barrier and other fire protection components: |
| * Table 2.4-1, fire barrier seals | | * Table 2.4-1, fire barrier seals |
| * Table 2.4-3, fire barrier coatings and wraps | | * Table 2.4-3, fire barrier coatings and wraps |
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| * Table 2.4-9, fire barrier coatings | | * Table 2.4-9, fire barrier coatings |
| * Table 2.4-10, fire barrier seals and fire barrier coatings | | * Table 2.4-10, fire barrier seals and fire barrier coatings |
| * Table 2.4-11, trash racks and traveling screens The staff requests that the applicant verify whether the above fire barrier assemblies and fire protection components are within the scope of license renewal within the identified structure accordance with 10 CFR 54.4(a) and subject to an AMR in accordance with 10 CFR 54.21(a)(1). If they are excluded from the scope of license renewal and not subject to an AMR, the staff requests that the applicant provide justification for the exclusion. | | * Table 2.4-11, trash racks and traveling screens The staff requests that the applicant verify whether the above fire barrier assemblies and fire protection components are within the scope of license renewal within the identified structure accordance with 10 CFR 54.4(a) and subject to an AMR in accordance with 10 CFR 54.21(a)(1). If they are excluded from the scope of license renewal and not subject to an AMR, the staff requests that the applicant provide justification for the exclusion. |
| | | Discussion: For the components of concern for Table 2.4-11, the applicant referred to the staff to LRA Table 2.4-10. The staff agreed that the components are listed as within the scope of license renewal within LRA Table 2.4-10. The staff will revise this question as follows. The revised question will be sent as a formal RAI. |
| Discussion: For the components of concern for Table 2.4-11, the applicant referred to the staff to LRA Table 2.4-10. The staff agreed that the components are listed as within the scope of license renewal within LRA Table 2.4-10. The staff will revise this question as follows. The revised question will be sent as a formal RAI. | | RAI 2.4-1 Section 2.4 of the LRA does not include the following fire barrier and other fire protection components: |
| RAI 2.4-1 Section 2.4 of the LRA does not include the following fire barrier and other fire protection components: | |
| * Table 2.4-1, fire barrier seals | | * Table 2.4-1, fire barrier seals |
| * Table 2.4-3, fire barrier coatings and wraps | | * Table 2.4-3, fire barrier coatings and wraps |
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| * Table 2.4-8, fire barrier coatings | | * Table 2.4-8, fire barrier coatings |
| * Table 2.4-9, fire barrier coatings | | * Table 2.4-9, fire barrier coatings |
| * Table 2.4-10, fire barrier seals and fire barrier coatings The fire barrier components listed above appear to have fire protection intended functions required for compliance with 10 CFR 50.48 as stated in 10 CFR 54.4. The staff requests that the applicant verify whether the above fire barrier assemblies and fire protection components are within the scope of license renewal within the identified structure accordance with 10 CFR 54.4(a) and subject to an AMR in accordance with 10 CFR 54.21(a)(1). If they are excluded from the scope of license renewal and not subject to an AMR, the staff requests that the applicant provide justification for the exclusion. | | * Table 2.4-10, fire barrier seals and fire barrier coatings The fire barrier components listed above appear to have fire protection intended functions required for compliance with 10 CFR 50.48 as stated in 10 CFR 54.4. The staff requests that the applicant verify whether the above fire barrier assemblies and fire protection components are within the scope of license renewal within the identified structure accordance with 10 CFR 54.4(a) and subject to an AMR in accordance with Enclosure 2 |
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| | 10 CFR 54.21(a)(1). If they are excluded from the scope of license renewal and not subject to an AMR, the staff requests that the applicant provide justification for the exclusion. |
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| Letter to Pacific Gas and Electric Company from N. Ferrer dated July ,2010 | | Letter to Pacific Gas and Electric Company from N. Ferrer dated July ,2010 |
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| ==SUBJECT:== | | ==SUBJECT:== |
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| ==SUMMARY== | | ==SUMMARY== |
| OF TELEPHONE CONFERENCE CALL HELD ON JUNE 24, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND PACIFIC GAS AND ELECTRIC COMPANY CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2, LICENSE RENEWAL APPLICATION-AGING MANAGEMENT PROGRAMS DISTRIBUTION | | OF TELEPHONE CONFERENCE CALL HELD ON JUNE 24, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND PACIFIC GAS AND ELECTRIC COMPANY CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2, LICENSE RENEWAL APPLICATION AGING MANAGEMENT PROGRAMS DISTRIBUTION: |
| : HARD COPY: DLR RF E-MAIL: PUBLIC RidsNrrDlr Resource RidsNrrDlrRpb1 Resource RidsNrrDlrRpb2 Resource RidsNrrDlrRarb Resource RidsNrrDlrRapb Resource RidsNrrDlrRasb Resource RidsNrrDlrRerb Resource RidsNrrDlrRpob Resource RidsOgcMailRoom Resource ---------------------------------- N. Ferrer K. Green A. Stuyvenberg D. Wrona A. Wang M. Peck, RIV T. Brown, RI G. Miller, RIV N. O'Keefe, RIV I. Couret, OPA V. Dricks, OPA W. Maier, RIV J. Weil, OCA E. Williamson, OGC S. Uttal, GOC R. Rihm, EDO}}
| | HARD COPY: |
| | DLR RF E-MAIL: |
| | PUBLIC RidsNrrDlr Resource RidsNrrDlrRpb1 Resource RidsNrrDlrRpb2 Resource RidsNrrDlrRarb Resource RidsNrrDlrRapb Resource RidsNrrDlrRasb Resource RidsNrrDlrRerb Resource RidsNrrDlrRpob Resource RidsOgcMailRoom Resource |
| | ---------------------------------- |
| | N. Ferrer K. Green A. Stuyvenberg D. Wrona A. Wang M. Peck, RIV T. Brown, RI G. Miller, RIV N. OKeefe, RIV I. Couret, OPA V. Dricks, OPA W. Maier, RIV J. Weil, OCA E. Williamson, OGC S. Uttal, GOC R. Rihm, EDO}} |
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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
ML24108A1472024-05-0707 May 2024
February 2024 Diablo Canyon Public Scoping Meetings - Summary
ML24108A1482024-05-0707 May 2024
February 2024 Environmental Scoping Meetings Related to the Diablo Canyon LRA - Memo
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
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
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
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
[Table view]
Category:Memoranda
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
ML24067A1572024-03-0707 March 2024
Memorandum from the Secretary Referring Hearing Request to the Atomic Safety and Licensing Board Panel
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
ML23046A0292023-02-23023 February 2023
Timely Renewal Exemption 5 Day Memorandum
ML22147A0932022-06-0606 June 2022
2021 Annual Assessment Public Meeting Summary
ML22131A1592022-05-11011 May 2022
Reply to the Nrc'S Response to the Office of the Inspector General'S (OIG) Event Inquiry Into the Nrc'S Oversight of the Auxiliary Feedwater System at Diablo Canyon Nuclear Power Plant, OIG Case No. 20-025
ML22109A1792022-05-0303 May 2022
Response OIG Special Inquiry Into Nrc'S Oversight AFW at Diablo Canyon (OIG Case No. 20-025)
ML22108A1672022-05-0303 May 2022
Staff Assessment of OIG Event Inquiry Into the Nrc'S Oversight AFW at Diablo Canyon (OIG Case No. 20-025)
ML21146A1852021-06-28028 June 2021
DC RFI 2021401 ML21146A185
ML21140A3892021-05-24024 May 2021
Riv Column 1 EOC 2020 Public Meeting Summary
ML21060B1822021-03-0101 March 2021
Memorandum: 1-26-21 Diablo Canyon Renewal Pre-Application Meeting Summary
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
ML19182A3562019-07-23023 July 2019
Quarterly Report on the Status of Public Petitions Under Title 10 of the Code of Federal Regulations, Section 2.206 - April 1 to June 30, 2019
ML18298A0762018-10-26026 October 2018
Notice of Forthcoming Closed Meeting with Pacific Gas and Electric Company to Discuss Security-Related Information for Diablo Canyon Power Plant, Units 1 and 2
ML18173A0082018-06-20020 June 2018
Cancelling Numerous Inspection Report Numbers
ML18131A0482018-05-11011 May 2018
Memorandum to File Environmental Assessment and Finding of No Significant Impact for Pacific Gas and Electric Company'S Decommissioning Funding Plan Submitted in Accordance with 10 CFR 72.30(b) for the Diablo Canyon Independent Spent Fuel S
ML16119A5002016-04-29029 April 2016
Notice of Forthcoming Closed Meeting with Pacific Gas & Electric Company to Discuss Proposed Change to Defensive Strategy and 10 CFR 50.54(p) Documentation for Reduction in Minimum Staffing Requirements at Diablo Canyon
ML16088A2042016-03-28028 March 2016
Memo T Bowers from s Ruffin, Technical Assistance Requests - Review 2015 Tri-Annual Decommissioning Funding Plans for Multiple Independent Spent Fuel Storage Installations W/ Encl 2 (Template)
ML16088A2052016-03-28028 March 2016
Enclosure 1 - (72.30 DFP Reviews to Be Completed 2015) - Memo T Bowers from s Ruffin, Technial Assistance Requests - Review 2015 Tri-Annual Decommissioning Funding Plans for Multiple Independent Spent Fuel Storage Installations
ML16029A2322016-03-16016 March 2016
LTR-15-0337-1 - Diablo Canyon Power Plant, Units 1 and 2 - Closure of 10 CFR 2.206 Petition from Bullard High School Students (CAC Nos. MF6515 and MF6516)
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.
ML14344A6302014-12-15015 December 2014
Close-out letter-California Facilities Preemption Safety Evaluation
ML14167A4922014-07-0303 July 2014
Summary of June 5, 2014, Conference Call to Discuss the Status of the License Renewal Application Review of the Diablo Canyon Nuclear Power Plant, Units 1 and 2
ML14022A1202014-06-23023 June 2014
Memorandum to File, Review of Revision 21 of Final Safety Analysis Report Update
ML14162A4582014-06-12012 June 2014
Pacific Gas and Electric Company Diablo Canyon Power Plant Units 1 and 2, Regulatory Audit in Support of the License Amendment Request to Implement Risk-Informed, Performance-Based, Fire Protection Program as Allowed by Title 10 of the Code
ML13339A4282014-04-28028 April 2014
Transmittal Memorandum for Regulatory Audit Report for the August 6, 2013 Through August 8, 2013 Cyber Security Pilot Study at Dcnpp Avila Beach, CA
ML13312A6462013-11-25025 November 2013
Meeting Notice with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13290A2272013-10-18018 October 2013
Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13263A1922013-09-24024 September 2013
Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13260A0052013-09-18018 September 2013
10/2/13 Notice of Pre-Application Meeting with Pacific Gas and Electric Company to Discuss Upcoming Structural Weld Overlay Relief Request to Use an Alternative to Disposition Detected Laminar Indications at Diablo Canyon, Unit 2
ML13246A4262013-09-0505 September 2013
Notice of Meeting to Discuss Amendment Request to Adopt Technical Specifications Task Force TSTF-505, Provide Risk-Informed Extended Completion Times, RITSTF Initiative 4B at Diablo Canyon, Units 1 and 2
ML13246A4072013-09-0505 September 2013
9/25/13 Notice of Forthcoming Pre-Application Meeting to Discuss Emergency Core Cooling System Evaluations for License Amendment Request at Diablo Canyon, Units 1 and 2
ML13246A4162013-09-0505 September 2013
9/24/13 - Notice of Pre-Application Meeting to Discuss License Amendment Request for Technical Specification 3.8.1 Diesel Generator Surveillance Requirements at Diablo Canyon, Units 1 and 2
ML13246A2622013-09-0404 September 2013
9/18/13 Notice of Forthcoming Closed Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13179A0622013-07-0909 July 2013
Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13163A0242013-06-12012 June 2013
6/26/13 Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13126A0872013-05-0707 May 2013
Notice of Forthcoming 5/29/13 Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13101A2782013-04-24024 April 2013
Transmittal Memo for Regulatory Audit Report for the February 11-14, 2013 Cyber Security Pilot Study at the CS Innovation Facility in Scottsdale, Arizona
ML13081A0742013-04-11011 April 2013
Summary Conference Call Between Pacific and Electric Co., and NRC Regarding Verbal Authorization of Relief Request Rep-1 U2, Revision 2
ML13074A1182013-03-15015 March 2013
3/27/13 Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13052A5512013-02-21021 February 2013
Preapplication Meeting with Pacific Gas and Electric, License Amendment Request to Adopt NFPA-805 Performance-Based Standard for Fire Protection for LWR Generating Plants, at Diablo Canyon, Units 1 and 2
ML13028A2022013-02-0404 February 2013
Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML13030A2462013-01-30030 January 2013
2/12/13 Forthcoming Preapplication Meeting with Pacific Gas and Electric Company to Discuss License Amendment Requests for Degraded Voltage Protection and Control Room Dose Analysis of Record at Diablo Canyon, Units 1 and 2
ML13017A1572013-01-15015 January 2013
Diablo Canyon - January Hearing File Update
ML12354A5392012-12-20020 December 2012
1/24/2013 - Notice of Meeting with Pacific Gas and Electric to Discuss Diablo Canyon, Units 1 and 2 License Amendment Request to Revise FSAR Update Related to Delayed Access Offsite Power Circuit to Conform with GDC 17
ML12355A1382012-12-20020 December 2012
1/24/2013 - Notice of Forthcoming Meeting with Pacific Gas and Electric Company to Discuss Digital Replacement of Process Protection System at Diablo Canyon Power Plant, Units 1 and 2
ML12348A1082012-12-18018 December 2012
Notice of 1/15/2013 Preapplication Meeting with Pacific Gas and Electric Company to Discuss License Amendment Request to Revise Diesel Generator Surveillance Requirements for Diablo Canyon, Units 1 and 2
2024-07-01
[Table view]
Category:Request for Additional Information (RAI)
MONTHYEARML24250A0532024-09-0606 September 2024
LRA - Requests for Additional Information - Set 1
ML24184C0422024-07-0202 July 2024
NRR E-mail Capture - Request for Additional Information Diablo Canyon 50.69 risk-informed Categorization
ML24065A1312024-03-20020 March 2024
ISFSI Renewal RAI Transmittal Letter
ML24065A1332024-03-20020 March 2024
Enclosure- Diablo Canyon ISFSI Renewal Request for Additional Information
ML24024A2072024-01-24024 January 2024
Inservice Inspection Request for Information
IR 05000275/20240152023-10-10010 October 2023
Information Request for the Cybersecurity Baseline Inspection, Notification to Perform Inspection (050002752024015 and 050003232024015)
ML23249A2782023-09-0606 September 2023
Inservice Inspection Request for Information
ML23159A2372023-07-25025 July 2023
ISFSI Renewal RAI Transmittal Letter Enclosure
ML23159A2382023-07-25025 July 2023
Request for Additional Information for the Technical Review of the Application for Renewal of the Diablo Canyon Independent Spent Fuel Storage Installation (Cac/Epid Nos. 001028/L-2022-RNW-0007)
ML23096A1792023-04-0606 April 2023
NRR E-mail Capture - Request for Additional Information Diablo Canyon Exemption Request Regarding Senior Reactor Operator License Application
ML23047A0062023-02-21021 February 2023
Request for Additional Information Alternative Security Measures for Early Warning System (EPID: L-2022-LLA-0029) (Public Version)
ML23041A1862023-02-17017 February 2023
Request for Information Regarding Diablo Canyon Power Plant, Units 1 and 2 - December 8, 2022, Public Meeting
ML22258A1112022-09-14014 September 2022
2022 Diablo Canyon PIR Request for Information
ML22200A2572022-07-19019 July 2022
Notification of In-service Inspection (Inspection Report 05000323/2022004) and Request for Information
ML22187A2652022-07-0606 July 2022
NRR E-mail Capture - Request for Additional Information: Diablo Canyon Exemption Request for Part 73 force-on-force Training Due to COVID-19
ML22152A1502022-06-21021 June 2022
Request for Additional Information Regarding License Amendment Request for Technical Specifications and Revised License Conditions for the Permanently Defueled Condition
ML22122A1412022-05-0505 May 2022
.02 Doc Request
ML22068A2312022-03-17017 March 2022
Notification of NRC Design Bases Assurance Inspection (Team) 05000275/2022011 and 05000323/2022011 and Initial Request for Information
ML22061A2192022-03-0202 March 2022
NRR E-mail Capture - Request for Additional Information - Diablo Canyon Proposed Changes to Emergency Plan for post-shutdown and Permanently Defueled Condition
ML21363A1692021-12-29029 December 2021
Inservice Inspection Request for Information
ML22019A0412021-12-29029 December 2021
RFI
ML21215A3432021-08-0303 August 2021
NRR E-mail Capture - Request for Additional Information - Diablo Canyon Request to Revise Technical Specification 3.8.1, AC Sources - Operating to Support Diesel Fuel Oil Transfer System Component Planned Maintenance
ML21130A3642021-06-21021 June 2021
DC 2021401 Information Request
ML21104A3642021-04-14014 April 2021
NRR E-mail Capture - Request for Additional Information - Diablo Canyon Proposed Technical Specifications and Revised License Conditions for the Permanently Defueled Condition
ML21062A0642021-03-0202 March 2021
NRR E-mail Capture - Request for Additional Information for Diablo Canyon Generic Letter 2004-02 Submittal (L-2017-LRC-0000)
ML20329A0692020-11-23023 November 2020
NRR E-mail Capture - Request for Additional Information: Diablo Canyon COVID-19 Exemption Request to Extend force-on-force Exercise
ML20323A4532020-11-18018 November 2020
NRR E-mail Capture - Request for Additional Information: Diablo Canyon COVID-19 Exemption Request to Extend Firearms Requalification
ML20301A2212020-10-27027 October 2020
Notification of an NRC Fire Protection Baseline Inspection (NRC Inspection Report 05000275/2021010 and 05000323/2021010) and Request for Information
ML20261H4232020-09-17017 September 2020
NRR E-mail Capture - Request for Additional Information: Diablo Canyon Unit 2 Fall 2019 Steam Generator Tube Inspection Report
ML20231A2372020-08-17017 August 2020
NRR E-mail Capture - Diablo Canyon Additional Request for Additional Information: Exigent License Amendment Request for Application to Provide a New Technical Specification 3.7.5, Auxiliary Feedwater System, Condition G EPID: L-2020-LLA-017
ML20230A0732020-08-14014 August 2020
NRR E-mail Capture - Diablo Canyon Request for Additional Information: Exigent License Amendment Request for Application to Provide a New Technical Specification 3.7.5, Auxiliary Feedwater System, Condition G
ML20280A5432020-06-0303 June 2020
DC 2020 PIR Request for Information
ML20041E6012020-02-10010 February 2020
NRR E-mail Capture - Diablo Canyon Nuclear Power Plant, Units 1 and 2 - Request for Additional Information for Post -Shutdown Decommissioning Activities Report (PSDAR)
ML19262G7482019-08-0909 August 2019
Request for Information
ML19149A6012019-05-28028 May 2019
NRR E-mail Capture - Request for Additional Information (Supplemental) - License Amendment Request (LAR) to Revise Emergency Plan Response Organization Staffing and Augmentation
ML19123A2162019-05-0202 May 2019
NRR E-mail Capture - Diablo Canyon Nuclear Power Plant -Request for Exemption from Operator Written Examination and Operating Test - Request for Additional Information
ML19084A2572019-03-21021 March 2019
NRR E-mail Capture - Request for Additional Information - License Amendment Request (LAR) to Revise Emergency Plan Response Organization Staffing and Augmentation
ML19043A9452019-02-20020 February 2019
Notification of Inspection (NRC Inspection Report 05000275/2019002, 05000323/2019002 and Request for Information
ML17306A9382017-11-0202 November 2017
NRR E-mail Capture - Request for Additional Information - Request for Approval for Application of Full Weld Overlay REP-RHR-SWOL, Diablo Canyon Power Plant, Units 1 and 2
ML17152A3192017-06-0101 June 2017
NRR E-mail Capture - Request for Additional Information (RAI)- Relief Requests NDE-SLH U2, NDE-LSL U2, NDE-LHC U2, NDE-LHM U2, and NDE-ONV U2 (CAC Nos. MF9386 Through MF9390)
ML17102B6072017-04-12012 April 2017
NRR E-mail Capture - Request for Additional Information (RAI) - Revised Emergency Action Level Schemes Pursuant to Nuclear Energy Institute (NEI) 99-01, Revision 6
ML16347A0032016-12-0909 December 2016
NRR E-mail Capture - Request for Additional Information (RAI) - Diablo Canyon Power Plant License Amendment Request for Adoption of NEI 94-01
ML16326A3562016-11-21021 November 2016
NRR E-mail Capture - Request for Additional Information - License Amendment Request to Adopt Nuclear Energy Institute (NEI) 94-01, Revision 2-A for Diablo Canyon Power Plant, Units 1 and 2 - CAC Nos. MF7731 and MF7732
ML16048A2322016-02-17017 February 2016
NRR E-mail Capture - Diablo Canyon 1 and 2 - Met Data Second Round of Requests for Additional Information for License Amendment Request 15-03 to Adopt the Alternative Source Term Per 10 CFR 50.67 (TAC Nos. MF6399 and MF640
ML16011A3652016-02-0202 February 2016
Requests for Additional Information for the Review of the Diablo Canyon Power Plant, Units 1 and 2, License Renewal Application - Set 39 (TAC Nos. ME2896 and ME2897)
ML16011A3172016-01-11011 January 2016
NRR E-mail Capture - Diablo Canyon 1 and 2 - Requests for Additional Information for License Amendment Request 15-03 to Adopt the Alternative Source Term Per 10 CFR 50.67
ML15358A0022015-12-23023 December 2015
Request for Additional Information Email (Follow-up Pra), Request to Adopt National Fire Protection Association NFPA 805, Performance-Based Standard for Fire Protection for LWR Generating Plants (2001 Edition)
ML15357A3822015-12-23023 December 2015
Request for Additional Information, Round 4 - Amendment Request to Replace Digital Process Protection System for Reactor Protection System and Engineered Safety Features Actuation System Functions
ML15295A3732015-11-0505 November 2015
Requests for Additional Information Related to the Diablo Canyon LRA Environmental Review
ML15287A1652015-10-23023 October 2015
Requests for Additional Information Related to the Diablo Canyon LRA Environmental Review - SAMA
2024-09-06
[Table view] |
Text
July 8, 2010 LICENSEE: Pacific Gas and Electric Company FACILITY: Diablo Canyon Nuclear Power Plant, Units 1 and 2
SUBJECT:
SUMMARY
OF TELEPHONE CONFERENCE CALL HELD ON JUNE 24, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND PACIFIC GAS AND ELECTRIC COMPANY CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2, LICENSE RENEWAL APPLICATIONAGING MANAGEMENT PROGRAMS The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Pacific Gas and Electric Company (PG&E) held a telephone conference call on June 24, 2010, to obtain clarification on the staffs draft request for additional information (D-RAI) regarding the Diablo Canyon Nuclear Power Plant license renewal application (LRA).
By emails dated June 8, 2010, the staff sent D-RAIs to PG&E regarding aging management programs. PG&E reviewed the information contained therein, and requested a telephone conference call. The telephone conference call was useful in clarifying the intent of the staffs D-RAIs. Enclosure 2 provides discussions on D-RAI for which the applicant requested clarification. No changes to other D-RAIs were necessary as a result of this telephone conference call. Formal RAIs will be issued by a separate letter. provides a listing of the participants.
The applicant had an opportunity to comment on this summary.
/RA/
Nathaniel Ferrer, Safety Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket Nos. 50-275 and 50-323
Enclosures:
As stated cc: Distribution via Listserv
ML101760115 OFFICE LA:DLR PM:RPB2:DLR BC:RPB2:DLR PM:RPB2:DLR NAME SFigueroa NFerrer DWrona NFerrer DATE 06/29/10 07/02/10 07/07/10 07/08/10
TELEPHONE CONFERENCE CALL DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2 LICENSE RENEWAL APPLICATION LIST OF PARTICIPANTS JUNE 24, 2010 PARTICIPANTS AFFILIATIONS Nate Ferrer U.S. Nuclear Regulatory Commission (NRC)
James Medoff NRC Naeem Iqbal NRC Yogen Garud Argonne National Laboratory (ANL)
Terry Grebel Pacific Gas and Electric Company (PG&E)
Philippe Soenen PG&E Michael Wright PG&E Kyle Duke PG&E Daniel Hardesty PG&E Chalmer Myer Strategic Teaming And Resource Sharing (STARS)
Dave Kunsemiller STARS Enclosure 1
Diablo Canyon Nuclear Power Plant, Units 1 and 2 License Renewal Application Draft Request for Additional Information Fire Protection D-RAI 2.4-1 Section 2.4 of the LRA does not include the following fire barrier and other fire protection components:
- Table 2.4-11, trash racks and traveling screens The staff requests that the applicant verify whether the above fire barrier assemblies and fire protection components are within the scope of license renewal within the identified structure accordance with 10 CFR 54.4(a) and subject to an AMR in accordance with 10 CFR 54.21(a)(1). If they are excluded from the scope of license renewal and not subject to an AMR, the staff requests that the applicant provide justification for the exclusion.
Discussion: For the components of concern for Table 2.4-11, the applicant referred to the staff to LRA Table 2.4-10. The staff agreed that the components are listed as within the scope of license renewal within LRA Table 2.4-10. The staff will revise this question as follows. The revised question will be sent as a formal RAI.
RAI 2.4-1 Section 2.4 of the LRA does not include the following fire barrier and other fire protection components:
10 CFR 54.21(a)(1). If they are excluded from the scope of license renewal and not subject to an AMR, the staff requests that the applicant provide justification for the exclusion.
Letter to Pacific Gas and Electric Company from N. Ferrer dated July ,2010
SUBJECT:
SUMMARY
OF TELEPHONE CONFERENCE CALL HELD ON JUNE 24, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND PACIFIC GAS AND ELECTRIC COMPANY CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1 AND 2, LICENSE RENEWAL APPLICATION AGING MANAGEMENT PROGRAMS DISTRIBUTION:
HARD COPY:
DLR RF E-MAIL:
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N. Ferrer K. Green A. Stuyvenberg D. Wrona A. Wang M. Peck, RIV T. Brown, RI G. Miller, RIV N. OKeefe, RIV I. Couret, OPA V. Dricks, OPA W. Maier, RIV J. Weil, OCA E. Williamson, OGC S. Uttal, GOC R. Rihm, EDO
