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| Issue date | Title | Topic | |
|---|---|---|---|
| ML23270B836 | 26 September 2023 | Code Case N-752 Audit September 26, 2023, E-mail Providing Additional Information Regarding the Use of Owner'S Requirements and Engineering Judgment in Lieu of Code and Standards | Nondestructive Examination Aging Management License Renewal Operational leakage |
| ML19242C728 | 28 August 2019 | Attachments 5 - 12: Thermal-Hydraulic Models for High Energy Line Break Transient Analysis, Duke Energy/Framatome Affidavits, Regulatory Requirements, Definitions, Time Critical Operator Actions and Feasibility Assessment for New Proposed T | Safe Shutdown Internal Flooding Flow Accelerated Corrosion Time Critical Operator Action Through-Wall Leakage Coast down GOTHIC Affidavit |
| RA-19-0223, Annual Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models Pursuant to 10CFR 50.46 | 30 May 2019 | Annual Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models Pursuant to 10CFR 50.46 | |
| ML17031A431 | 26 January 2017 | Notification of Compliance with Order EA-12-049, Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond Design Basis External Events and FLEX Final Integrated Plan | Safe Shutdown Boric Acid High winds Shutdown Margin Ultimate heat sink Tornado Missile Time to boil Safe Shutdown Earthquake Emergency Lighting FLEX Fukushima Dai-Ichi Spent Fuel Pool Instrumentation Earthquake GOTHIC Unidentified leakage |
| ML16152A052 | 31 May 2016 | ANP-3477NP, Rev. O, MRP-227-A Applicant/Licensee Action Item 6 Analysis | Non-Destructive Examination Stress corrosion cracking |
| ONS-2016-017, Request for Alternative to Codes and Standards Requirements Pursuant to 10 CFR 50.55a(z) to Satisfy 10 CFR 50.55a(h)(2) | 15 February 2016 | Request for Alternative to Codes and Standards Requirements Pursuant to 10 CFR 50.55a(z) to Satisfy 10 CFR 50.55a(h)(2) | Safe Shutdown Unanalyzed Condition Tornado Missile Commercial Grade Dedication Arc flash Finite Element Analysis Aging Management Large early release frequency Earthquake |
| ML15218A297 | 6 August 2015 | Historic Temperature Data Including Record Highs for the Seneca | |
| ML15201A008 | 22 July 2015 | Staff Assessment of Information Provided Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(f), Seismic Hazard Reevaluations for Recommendation 2.1 of the Near-Term Task Force Review | Safe Shutdown Earthquake Fukushima Dai-Ichi Earthquake |
| ML15161A420 | 15 June 2015 | Review of the Spring 2014 Steam Generator Tube Inservice Inspection Report During Refueling Outage 27 | |
| ONS-2015-058, Engineering Report 555, Oconee, Units 1, 2, and 3 - Ul 1569 Impact and Crush Tests on Keowee Underground Trench Power Cables for Duke Energy Carolinas, Llc. | 27 March 2015 | Engineering Report 555, Oconee, Units 1, 2, and 3 - Ul 1569 Impact and Crush Tests on Keowee Underground Trench Power Cables for Duke Energy Carolinas, Llc. | |
| ML15072A217 | 25 February 2015 | Form OAR-1 Owners Activity Report (CC N-532-4) for Oconee Unit 1, Refueling Outage EOC 28 | Boric Acid Hydrostatic |
| ONS-2014-161, Submittal of the Expedited Seismic Evaluation Process Report (CEUS Sites) | 19 December 2014 | Submittal of the Expedited Seismic Evaluation Process Report (CEUS Sites) | Safe Shutdown Earthquake Probabilistic Risk Assessment FLEX B.5.b Fukushima Dai-Ichi Earthquake Power-Operated Valves |
| ML14218A807 | 27 August 2014 | NRC Staff Review of the Documentation Provided by Duke Energy for the Oconee Nuclear Station Concerning Resolution of GL 2004-02 Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Wat | Coatings |
| ONS-2014-074, Special Report Per Selected Licensee Commitment 16.9.9 Auxiliary Service Water (Asw) System and Main Steam Atmospheric Dump Valves and Oconee Transition from the Station Asw System to the Protected Service Water System | 15 August 2014 | Special Report Per Selected Licensee Commitment 16.9.9 Auxiliary Service Water (Asw) System and Main Steam Atmospheric Dump Valves and Oconee Transition from the Station Asw System to the Protected Service Water System | Safe Shutdown Shutdown Margin B.5.b |
| ML14076A000 | 2 April 2014 | Staff Assessment of the Seismic Walkdown Report Supporting Implementation of Near-Term Task Force Recommendation 2.3 Related to the Fukushima DAI-ICHI Nuclear Power Plant Accident | Safe Shutdown Unanalyzed Condition Safe Shutdown Earthquake Operating Basis Earthquake Fukushima Dai-Ichi Earthquake Seismic Walkdown Report |
| ONS-2014-040, 2013 Annual Commitment Change Report | 31 March 2014 | 2013 Annual Commitment Change Report | Unidentified leakage |
| ONS-2014-002, Special Report Per Technical Specification 5.6.6, Problem Investigation Process No. O-13-14447 | 16 January 2014 | Special Report Per Technical Specification 5.6.6, Problem Investigation Process No. O-13-14447 | Post Accident Monitoring |
| ML13196A248 | 11 July 2013 | Duke Energy Carolinas, LLC (Duke Energy): Report Pursuant to 10 CFR 50.46, Changes to or Errors in an Evaluation Model | |
| ML13190A015 | 1 July 2013 | Aging Management Reviews for Newly Identified Systems, Structures and Components as of December 31, 2012 | Boric Acid Aging Management License Renewal |
| ML14058A045 | 20 September 2012 | History of Oconee Flood Concerns | Backfit |
| ML12251A031 | 10 September 2012 | Review of the Spring 2011 Steam Generator Tube Inservice Inspections During End of Cycle 26 Refueling Outage | |
| ML12187A215 | 31 March 2012 | Attachment 1, ANP-2951, Rev. 002, Inspection Plan for the Oconee Nuclear Station, Units 1, 2, and 3, Reactor Vessel Internals, Amp/Application to Implementation MRP-227-A | Safe Shutdown Unanalyzed Condition Non-Destructive Examination Nondestructive Examination Functionality Assessment Finite Element Analysis Aging Management Stress corrosion cracking License Renewal EVT-1 Liquid penetrant Power Uprate Measurement Uncertainty Recapture |
| ML11180A011 | 23 June 2011 | Closure of 60-Day Interim Report Notification: Dubose National Energy Services, Inc | |
| ML110820865 | 31 March 2011 | Evaluation of 2010 (Cycle 24) Steam Generator (SG) Tube Inspections | |
| ML110040409 | 23 December 2010 | Draft, Regarding Review of Root Cause Analysis and Actions Addressing the Underground Pipe Damage to the Condensate Storage Tank Return Line | Coatings Operability Determination |
| ML102910480 | 20 October 2010 | NRC Assessment of Oconee External Flooding Issue (October 18, 2010) | Safe Shutdown Significance Determination Process |
| ML102300168 | 16 August 2010 | Units 1 & 2 - Supplement 2 to License Amendment Request for Duke Energy Cyber Security Plan | Cyber Security Fuel cladding Cyber attack |
| ML101820184 | 7 July 2010 | Evaluation of 2009 (Cycle 24) Steam Generator Tube Inspections | |
| ML101340684 | 18 May 2010 | Audit Plan - Technical Adequacy of the Oconee Nuclear Plant'S License Amendment Request for the Transition to 10 CFR 50.48 (C) | Probabilistic Risk Assessment Fire Protection Program |
| ML101930417 | 6 May 2010 | Tritium Database Report | Offsite Dose Calculation Manual Hydrostatic |
| ML101270439 | 5 May 2010 | Y020100187 - List of Historical Leaks and Spills at U.S. Commercial Nuclear Power Plants | |
| ML101930545 | 8 February 2010 | Preliminary Report Oconee Nuclear Station | |
| ML102010542 | 20 April 2009 | Letter to Duke Energy from Cline, Site Characterization Report,Groundwater Protection Initiative, Oconee, Appendix E - Continued Through End | |
| ML102010541 | 20 April 2009 | Letter to Duke Energy from Cline, Site Characterization Report,Groundwater Protection Initiative, Oconee, Appendix E - Continued | |
| ML102010540 | 20 April 2009 | Letter to Duke Energy from Cline, Site Characterization Report,Groundwater Protection Initiative, Oconee, Appendix D Through Appendix E | |
| ML102010538 | 20 April 2009 | Letter to Duke Energy from Cline, Site Characterization Report,Groundwater Protection Initiative, Oconee, Cover Letter Through Appendix C | Grab sample Tritium |
| ML083470246 | 9 December 2008 | Submittal of Auxiliary Service Water System Outage Report | |
| ML081350232 | 12 May 2008 | Summary Ultrasonic Examination Results of Completed Alloy 82/182 Weld Overlays Relief Request 07-ON-004 | Weld Overlay |
| ML080710159 | 29 February 2008 | GL-04-002 Supplemental Response on Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors | Boric Acid Ultimate heat sink Mission time Coatings Finite Element Analysis Design basis earthquake Foreign Material Exclusion Exemption Request Earthquake Fuel cladding Scaffolding Manual Operator Action |
| ML073532226 | 13 December 2007 | Completion of Confirmatory Action Letter Requirements and Summary Ultrasonic Examination Results of Completed Alloy 82/182 Weld Overlays Relief Requests 07-ON-001 and 07-ON-004 | Weld Overlay Dissimilar Metal Weld |
| ML070650422 | 27 February 2007 | Fitness-For-Duty Program Performance Data Reports for Period July 1, 2006 Through December 31, 2006 | Fitness for Duty |
| ML070530070 | 21 February 2007 | Emcb Review of the High Energy Line Break Mitigation Strategies for the Oconee Units as Proposed by Duke in a Letter Dated November 30, 2006 | Safe Shutdown Mission time Tornado Missile TORMIS |
| ML070290328 | 30 November 2006 | Tornado/Helb Mitigation Strategies and Regulatory Commitments | Safe Shutdown Shutdown Margin Mission time Tornado Missile Probabilistic Risk Assessment Operating Basis Earthquake Tornado-Generated Missile Tornado Missile Protection TORMIS Earthquake Liquid penetrant GOTHIC Thermal fatigue |
| ML071290283 | 13 November 2006 | DPO Panel Report-Memo to J. Dyer, NRR, from J. Grobe, Ades/Nrr, Subject: DPO Panel Response to DPO-2006-002 | Internal Flooding |
| ML071290251 | 26 October 2006 | DPO Panel Report-Memo to J. Dyer, NRR, from J. Grobe, Ades/Nrr, Subject: DPO Panel Response to DPO-2006-003 | Internal Flooding |
| ML062490427 | 28 August 2006 | Fitness-For Duty Program Performance Data Reports for Period Covering January 1, 2006 Through June 30, 2006 | Fitness for Duty |
| ML071150194 | 2 June 2006 | June 2006 Monthly Report for DPO-2006-002,-003 | |
| ML061240445 | 12 April 2006 | Future Oconee Tornado Mitigation Strategy | Tornado Missile Enforcement Discretion Tornado Missile Protection TORMIS |
| ML061240467 | 9 March 2006 | Tornado and High Energy Line Break Events Outside Containment - Supplemental Information | TORMIS |
| ML060600449 | 23 February 2006 | EOC22 Refueling Outage, October-November 2005 Steam Generator Inservice Inspection 3 Month Report | Eddy Current Testing |