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Category:Memoranda
MONTHYEARML23118A2852023-05-0202 May 2023
Public Meeting Summary - 2022 Annual Assessment Meeting Regarding Catawba Nuclear Station, McGuire Nuclear and Oconee Nuclear Station
ML22299A0482023-01-11011 January 2023
Final Environmental Assessment and Finding of No Significant Impact for the Duke Energys Updated Decommissioning Funding Plans Submitted in Accordance with 10 CFR 72.30(C) for Oconee Nuclear Station Independent Spent Fuel Storage Installati
ML22349A1482022-12-19019 December 2022
Transmittal Letter for Oconee SE for SLRA Review
ML22193A2542022-08-0505 August 2022
SLRA - Audit Report
ML22111A3142022-05-0202 May 2022
Limited Aging Management Audit Plan Regarding the Subsequent License Renewal Application Review
ML22084A6142022-04-0404 April 2022
SLRA - Summary of March 16, 2022 (Closed Public Meeting)
ML22024A1392022-03-11011 March 2022
SLRA - Request for Withholding Information
ML21347A0102021-12-20020 December 2021
Proposed Alternative to Implement ASME Code Case OMN-26
ML21279A1542021-11-0808 November 2021
August 25, 2021, Oconee Nuclear Station, Units 1, 2, and 3 Subsequent License Renewal Application Public Environmental Scoping Meeting Summary Memo
ML21064A3502021-07-26026 July 2021
OEDO-21-00048 - Oconee Nuclear Station, Units 1, 2, and 3 - Response Memorandum
ML21195A2692021-07-14014 July 2021
Meeting Summary: Pre-Submittal Meeting for the Oconee Subsequent License Renewal Application (EPID Number: L-2020-RNW-0028) (Docket Numbers: 50 269, 50-270, and 50-287) - Memo
ML21055A8672021-04-22022 April 2021
Memo to File: Final Ea/Fonsi of Independent Spent Fuel Storage Facilities Decommissioning Funding Plans Related to Oconee
ML21099A0932021-04-0909 April 2021
Public Meeting Summary - 2020 Annual Assessment Meeting Regarding Catawba, McGuire, and Oconee Nuclear Stations
ML20357B1332020-12-30030 December 2020
Transmittal Memo - Delivery of Partial Deliverable Associated with the Trace Code Maintenance, Plant Model Maintenance, and Plant Model Development to Support Licensing Actions and Emergent Technical Issues User Need
ML20141L4172020-05-20020 May 2020
EOC Public Meeting Summary
ML20036E3902020-02-11011 February 2020
Regulatory Audit in Support of Review of License Amendment Request to Revise the Licensing Basis for High Energy Line Breaks Outside of the Containment Building
ML19102A3352019-04-12012 April 2019
Public Meeting Summary - Oconee Nuclear Station Docket Nos. 50-269, 50-270, and 50-287
ML19037A0052019-02-0808 February 2019
Regulatory Audit in Support of Review of License Amendment Request No. 2018-02
ML18226A2152019-01-22022 January 2019
Response to Task Interface Agreement 2014-04, Adequacy of the Oconee Nuclear Station Design and Licensing Bases for Degraded Voltage Protection (TAC Nos. MF4622, MF4623, and MF4624; EPID L-2014-LRA-0003)
ML18082A0582018-03-23023 March 2018
Summary of Meeting with Oconee Nuclear Station to Discuss Annual Assessment of Oconee for the Period of January 01, 2017 - December 31, 2017
ML18032A4612018-03-0505 March 2018
Regulatory Audit in Support of Review of License Amendment Request No. 2017-03
ML18004A0122018-01-0404 January 2018
Regulatory Audit in Support of Review of Proposed Alternative (CAC Nos. MF7365, MF7366 and MF7367; EPID No. L-2016-LLR-001)
ML17264A0312017-09-29029 September 2017
Draft Response to Task Interface Agreement 2014-05 to Licensee Oconee Design Analysis for Single Failure/Integration of Class 1E Direct Current Control Cabling in Raceways with High Energy Power Cabling
ML17202U7312017-07-25025 July 2017
Regulatory Audit in Support of License Amendment Request No. 2015-03
ML17103A0292017-04-13013 April 2017
Summary of Meeting to Provide Opportunities to Discuss Annual Assessment of Oconee Nuclear Station Units 1, 2 and 3
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
ML16061A5652016-03-0909 March 2016
Request for Additional Information for Relief Request 14-ON-001, Letdown Cooler Nozzle Welds
ML16056A5832016-02-26026 February 2016
and 3, Draft Request for Additional Information License Amendment Request to Adopt Emergency Action Level Scheme Based on NEI 99-01 Rev.6
ML16021A3452016-01-29029 January 2016
Draft Request for Additional Information License Amendment to Add High Flux Trip for 3 Reactor Coolant Pump Operation
ML15364A3802016-01-0808 January 2016
Draft Request for Additional Information Relief Request ON-GRR-01
ML15363A2962015-12-29029 December 2015
Special Inspection Charter to Evaluate the Power Cable Failures/Degradations on the Oconee Units 1 and 3 Startup Transformers
ML15345A3982015-12-15015 December 2015
Draft Request for Additional Information License Amendment Request to Adopt Emergency Action Level Scheme Based on NEI 99-01 Rev. 6
ML15265A1272015-09-17017 September 2015
Memoranda to C. Bladey Notice of Availability of Exemption for Duke Energy Carolinas, LLC, Oconee Nuclear Station Independent Spent Fuel Storage Installation
ML15231A1922015-08-19019 August 2015
NRC June 9 2009 Memo Revision
ML15233A4952015-08-14014 August 2015
Memo to C Bladey, Notice of Environmental Assessment and Finding of No Significant Impact - Duke Ene4rgy Carolinas LLC, Oconee Nuclear Station ISFSI - Admin EA Memo
ML15181A4332015-07-0707 July 2015
Closure of Licensee Responses to External Flooding Letters
ML15099A5612015-05-11011 May 2015
Safety Evaluation for Duke Submittal on Electronic Records (Nirma)
ML15089A1642015-04-27027 April 2015
Summary of February 25, 2015, Partially Closed Meeting with Industry Stakeholders Regarding the Babcock and Wilcox Loss of Coolant Accident Evaluation Model Analysis
ML15113A6262015-04-23023 April 2015
April 14, 2015 Summary of Public Meeting on Oconee Nuclear Station, Units 1, 2 and 3 to Discuss the Annual Assessment
ML14356A0052014-12-31031 December 2014
Summary of December 3, 2014, Category 1 Public Meeting with Duke Energy Carolinas, LLC to Discuss NTTF Recommendation 2.1, Flooding Response for Oconee Nuclear Station, Units 1, 2, and 3
ML14311A8622014-11-0707 November 2014
Request for Technical Assistance Regarding the Adequacy of the Oconee Station Design and Licensing Bases for the Degraded Voltage Relay Protection Design (TIA 2014-04) (Final)
ML14147A3652014-05-27027 May 2014
Annual Assessment Public Meeting Summary Memo
ML14058A0162014-02-0404 February 2014
Draft Memo from M. Cunningham, NRR Et Al to E. Leeds, NRR on Oconee Flood Protection and the Jocassee Dam Hazard Basis for NRC Allowing Continued Operation
ML14058A0182014-02-0404 February 2014
Draft Memo from M. Cunningham, NRR Et Al to E. Leeds, NRR on Oconee Flood Protection and the Jocassee Dam Hazard Basis for NRC Allowing Continued Operation
ML14058A0172014-02-0404 February 2014
Draft Memo from M. Cunningham, NRR Et Al to E. Leeds, NRR on Oconee Flood Protection and the Jocassee Dam Hazard Basis for NRC Allowing Continued Operation
ML14055A4742014-02-0404 February 2014
Draft Memorandum from G. Cunningham, NRR to E. Leeds, NRR on Oconee Flood Protection and the Jocassee Dam Hazard Basis for Continued Operation
ML13351A3172013-12-24024 December 2013
Safety Evaluation Input Regarding Temporary Technical Specification Change Request to Extend the Completion Time for an Inoperable Keowee Hydro Unit
ML13303B8282013-11-0101 November 2013
Notice of Meeting with Duke Energy to Discuss Proposed License Amendment Request Regarding Temporary Technical Specification Change for One Keowee Hydro Unit Inoperable - Oconee Nuclear Station, Units 1, 2, and 3
ML13295A3062013-10-22022 October 2013
Meeting Notice with Duke Energy Carolinas, LLC Discuss the Planned Modifications Related to the Fukushima Flood Hazard Reevaluations for the Sites Operated by Duke Energy Carolinas, LLC
2023-05-02
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August 28, 2007 MEMORANDUM TO: Evangelos C Marinos, Chief, Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation FROM: Michael L. Scott, Chief /RA/
Safety Issue Resolution Branch Division of Safety Systems Office of Nuclear Reactor Regulation
SUBJECT:
OCONEE NUCLEAR STATION: REPORT ON RESULTS OF STAFF AUDIT OF CORRECTIVE ACTIONS TO ADDRESS GENERIC LETTER 2004-02 Generic Letter (GL) 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors, requested that all pressurized-water reactor licensees (1) evaluate the adequacy of the emergency sump recirculation function with respect to potentially adverse effects associated with post-accident debris, and (2) implement any plant modifications determined to be necessary. Duke Energy, the operator/licensee, has conducted an evaluation of recirculation sump performance for Oconee Nuclear Station (ONS) Unit Nos. 1, 2 and 3. Duke Energy has installed new sump strainers in each unit.
Consistent with the discussion in the Reasons for Information Request Section of GL 2004-02, the NRC staff is using sample audits to help verify that licensees have resolved the concerns in the generic letter. The staff has conducted an audit of the new sump design and associated analyses and testing for ONS. With the assistance of the DORL Project Manager for ONS, SSIB has forwarded the draft report to Duke Energy. Duke Energy, after consultation with its contractors and vendors for GL 2004-02 corrective actions, has confirmed that there is no proprietary information contained in the audit report.
This memorandum transmits the enclosed audit report to the Division of Operator Reactor Licensing for forwarding to the licensee. The enclosed audit report provides Duke Energy feedback on its GL 2004-02 corrective actions and supporting analyses. Also, when made publically available, this audit report will serve as a vehicle to inform other pressurized water reactor licensees of the staffs technical positions.
CONTACT: Ralph Architzel, SSIB/DSS (301) 415-2804 Joe Golla, PGCB/DPR (301) 415-1002
Evangelos C Marinos The licensee was very supportive during all phases of the audit. Consideration was given by Duke Energy in providing appropriate office space, supplies, and equipment and facilitating the Engineered Safety Features room tour taken by audit team members. The licensees support during the preparation, conduct and report writing phases of the audit was helpful to the fullest extent possible.
The enclosed audit report does not reach a conclusion regarding overall adequacy of Duke Energys GL 2004-02 corrective actions. Duke Energys end-of-CY 2007 GL 2004-02 supplemental response is expected to respond to the open items in the enclosed audit report and to the GL 2004-02 requests for additional information, as well as provide a comprehensive description of Duke Energys corrective actions and supporting analyses and evaluations. In early CY 2008 staff consideration of this audit report and Duke Energys end-of-CY 2007 GL 2004-02 supplemental response will result in a letter to Duke Energy assessing the overall adequacy of the ONS GL 2004-02 corrective actions.
The audit team did not evaluate whether the licensee has identified and submitted all appropriate licensing documents for its GL 2004-02 corrective actions. The licensees maintenance of its licensing basis is within the scope of the Reactor Oversight Program. The audit team did not evaluate the completion of the licensees implementation of GL 2004-02 corrective actions that it has committed to take. That is also within the scope of the Reactor Oversight Program under TI 2515/166, Pressurized Water Reactor Containment Sump Blockage.
Docket Nos: 50-269, 50-270 & 50-287
Enclosure:
Oconee Nuclear Station Corrective Actions for Generic Letter 2004-02 Audit Report
Evangelos C Marinos The licensee was very supportive during all phases of the audit. Consideration was given by Duke Energy in providing appropriate office space, supplies, and equipment and facilitating the ECCS pump rooms tour taken by audit team members. The licensees support during the preparation, conduct and report writing phases of the audit was helpful to the fullest extent possible.
The enclosed audit report does not reach a conclusion regarding overall adequacy of Duke Energys GL 2004-02 corrective actions. Duke Energys end-of-CY 2007 GL 2004-02 supplemental response is expected to respond to the open items in the enclosed audit report and to the GL 2004-02 requests for additional information, as well as provide a comprehensive description of Duke Energys corrective actions and supporting analyses and evaluations. In early CY 2008 staff consideration of this audit report and Duke Energys end-of-CY 2007 GL 2004-02 supplemental response will result in a letter to Duke Energy assessing the overall adequacy of the ONS GL 2004-02 corrective actions.
The audit team did not evaluate whether the licensee has identified and submitted all appropriate licensing documents for its GL 2004-02 corrective actions. The licensees maintenance of its licensing basis is within the scope of the Reactor Oversight Program. The audit team did not evaluate the completion of the licensees implementation of GL 2004-02 corrective actions that it has committed to take. That is also within the scope of the Reactor Oversight Program under TI 2515/166, Pressurized Water Reactor Containment Sump Blockage.
Docket Nos: 50-269, 50-270 & 50-287
Enclosure:
Oconee Nuclear Station Corrective Actions for Generic Letter 2004-02 Audit Report DISTRIBUTION: PUBLIC SSIB R/F LOlshan JGolla JLehning SUnikweicz SLu CShaffer TGinsberg PKlein SSmith MYoder DRich AHutto ERiggs Package: ML071790459 Memo: ML071790462 Audit Report ML071790169 NRR-106 OFFICE NRR/DSS/SSIB NRR/DCI/CSGB:BC NRR/DSS/SNPB:BC NRR/DE:BC NRR/DSS/SSIB:BC NAME RArchitzel AHiser AMendiola KManoly MScott DATE 08/03/07 08/06/07 08/06/07 08/07/07 08/23/07 OFFICIAL RECORD COPY
