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 Issue dateTitleTopic
IR 05000346/202109016 December 2021Reissue Davis-Besse NRC Inspection Report (05000346/2021090) Preliminary White FindingSignificance Determination Process
Preliminary White Finding
L-05-056, Firstenergy Nuclear Operating Company Requests Authorization to Use Delta Protection Supplied-Air Containment Suits as Respiratory Protection Equipment and Assignment of a Protection Factor, Pursuant to 10CFR20.1703 and 10CFR20.17056 December 2005Firstenergy Nuclear Operating Company Requests Authorization to Use Delta Protection Supplied-Air Containment Suits as Respiratory Protection Equipment and Assignment of a Protection Factor, Pursuant to 10CFR20.1703 and 10CFR20.1705Mururoa
L-06-071, Revised Financial Information Associated with an Order Approving Transfer of Licenses to Firstenergy Nuclear Generation Corp30 May 2006Revised Financial Information Associated with an Order Approving Transfer of Licenses to Firstenergy Nuclear Generation Corp
L-08-005, Submittal of the 2007 Organizational Safety Culture and Safety Conscious Work Environment Independent Assessment Report for Davis-Besse27 January 2008Submittal of the 2007 Organizational Safety Culture and Safety Conscious Work Environment Independent Assessment Report for Davis-BesseFitness for Duty
Temporary Modification
L-08-036, Supplemental Response to GL-04-002, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors28 February 2008Supplemental Response to GL-04-002, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water ReactorsBoric Acid
Packing leak
Mission time
Safe Shutdown Earthquake
Hydrostatic
Coatings
Operating Basis Earthquake
Foreign Material Exclusion
Exemption Request
Maintenance Rule Program
Scaffolding
L-08-105, Reactor Head Inspection Report11 April 2008Reactor Head Inspection ReportBoric Acid
VT-2
L-08-152, Submittal of Technical Specification 6.9.1.12 Steam Generator Tube Inspection Report for January 2008 15th Refueling Outage25 July 2008Submittal of Technical Specification 6.9.1.12 Steam Generator Tube Inspection Report for January 2008 15th Refueling OutageNondestructive Examination
L-08-194, First Energy Nuclear Operating Company Submittal of Engineering Program Effectiveness Assessment Plan for the Davis-Besse Nuclear Power Station - Year 200824 June 2008First Energy Nuclear Operating Company Submittal of Engineering Program Effectiveness Assessment Plan for the Davis-Besse Nuclear Power Station - Year 2008Boric Acid
Probabilistic Risk Assessment
Temporary Modification
L-08-251, 2008 Independent Corrective Action Program Assessment Report, March 2004 Confirmatory Order15 September 20082008 Independent Corrective Action Program Assessment Report, March 2004 Confirmatory Order
L-09-068, Independent Spent Fuel Storage Installation - 10 CFR 72.48 Report of Dry Fuel Storage Facility Changes, Tests, and Experiments27 February 2009Independent Spent Fuel Storage Installation - 10 CFR 72.48 Report of Dry Fuel Storage Facility Changes, Tests, and Experiments
L-10-132, 0800368.408, Revision 0, Summary of Weld Overlay Ultrasonic Examinations for Reactor Coolant Pump Suction and Discharge Nozzle Welds, Core Flood Nozzle Welds, and Cold Leg Drain Nozzle Welds25 April 20100800368.408, Revision 0, Summary of Weld Overlay Ultrasonic Examinations for Reactor Coolant Pump Suction and Discharge Nozzle Welds, Core Flood Nozzle Welds, and Cold Leg Drain Nozzle WeldsWeld Overlay
Dissimilar Metal Weld
L-11-319, Pressure and Temperature Limits Report27 October 2011Pressure and Temperature Limits ReportHydrostatic
Pressure and Temperature Limits Report
L-12-071, 10 CFR 50.46 Report of Significant Changes or Errors in the Loss of Coolant Accident Evaluation Model16 March 201210 CFR 50.46 Report of Significant Changes or Errors in the Loss of Coolant Accident Evaluation ModelFuel cladding
L-12-196, FENOC-Davis-Besse Nuclear Power Station, Unit 1 Docket No. 50-346, License No. NPF-3 Submittal of Contractor Root Cause Assessment Report-Section 714 May 2012FENOC-Davis-Besse Nuclear Power Station, Unit 1 Docket No. 50-346, License No. NPF-3 Submittal of Contractor Root Cause Assessment Report-Section 7High winds
Finite Element Analysis
L-12-283, Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B, Seismic Walk-Down Checklists, Sheet 364 of 461 Through Appendix C, Area Walk-By Checklists, Sheet 20 of 13910 August 2012Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B, Seismic Walk-Down Checklists, Sheet 364 of 461 Through Appendix C, Area Walk-By Checklists, Sheet 20 of 139Scaffolding
L-12-347, FENOC Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Flooding Aspects of Recommendation 2.3 of Near-Term Task Force Review of Insights from Fukushima Dai-ichi Accident27 November 2012FENOC Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Flooding Aspects of Recommendation 2.3 of Near-Term Task Force Review of Insights from Fukushima Dai-ichi AccidentSafe Shutdown
Unanalyzed Condition
Boric Acid
High winds
Safe Shutdown Earthquake
Internal Flooding
Hydrostatic
Probabilistic Risk Assessment
Coatings
Locked High Radiation Area
Fukushima Dai-Ichi
Earthquake
L-13-154, CFR 50.46 Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models28 May 2013CFR 50.46 Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models
L-13-157, Generic Safety Issue 191 Resolution Plan15 May 2013Generic Safety Issue 191 Resolution PlanCoatings
Severe Accident Management Guideline
L-14-104, Firstenergy Nuclear Operating Co. Response to NRC Request for Information Pursuant to 10 CFR 50.54 (F) Regarding the Flooding Aspects of Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident11 March 2014Firstenergy Nuclear Operating Co. Response to NRC Request for Information Pursuant to 10 CFR 50.54 (F) Regarding the Flooding Aspects of Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi AccidentFukushima Dai-Ichi
Earthquake
L-14-148, CFR 50.46 Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models19 May 2014CFR 50.46 Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models
L-14-167, Report of Facility Changes, Tests and Experiments for the Period Ending May 26, 201418 June 2014Report of Facility Changes, Tests and Experiments for the Period Ending May 26, 2014Incorporated by reference
Turbine Missile
L-14-259, Firstenergy Nuclear Operating Company'S (Fenoc'S) Third Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Reliable Spent Fuel Pool Instrumentation (Order Number EA-12-051)28 August 2014Firstenergy Nuclear Operating Company'S (Fenoc'S) Third Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Reliable Spent Fuel Pool Instrumentation (Order Number EA-12-051)FLEX
Spent Fuel Pool Instrumentation
L-14-289, Pressure and Temperature Limits Report. Revision 222 September 2014Pressure and Temperature Limits Report. Revision 2Hydrostatic
Pressure and Temperature Limits Report
L-14-401, First Energy Nuclear Operating Company (FENOC) Expedited Seismic Evaluation Process (ESEP) Reports Response to NRC Request for Information Pursuant to 10 CFR50.54(f) Regarding Recommendation.1 of the Near-Term Task Force (NTTF) Review of In19 December 2014First Energy Nuclear Operating Company (FENOC) Expedited Seismic Evaluation Process (ESEP) Reports Response to NRC Request for Information Pursuant to 10 CFR50.54(f) Regarding Recommendation.1 of the Near-Term Task Force (NTTF) Review of In
L-15-288, Response to NRC Letter. Request for Information, Per 10 CFR 50.54(f) Regarding Recommendations 2.1. 2.3. and 9.3. of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident2 October 2015Response to NRC Letter. Request for Information, Per 10 CFR 50.54(f) Regarding Recommendations 2.1. 2.3. and 9.3. of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi AccidentHigh Radiation Area
Ultimate heat sink
Emergency Lighting
FLEX
Fukushima Dai-Ichi
Severe Accident Management Guideline
L-15-328, Enclosure B, Bechtel Report No. 25593-000-G83-GEG-00016-000, Effect of Laminar Cracks on Splice Capacity of No. 11 Bars Based on Testing Conducted at Purdue University and University of Kansas for Davis-Besse Shield Building. Part 7 of 730 July 2012Enclosure B, Bechtel Report No. 25593-000-G83-GEG-00016-000, Effect of Laminar Cracks on Splice Capacity of No. 11 Bars Based on Testing Conducted at Purdue University and University of Kansas for Davis-Besse Shield Building. Part 7 of 7Earthquake
L-16-148, Fatigue Monitoring Program Evaluation of Reactor Coolant Pressure Boundary Components for Effects of the Reactor Coolant Environment on Fatigue Usage (I.E., Environmentally-Assisted Fatigue)21 April 2016Fatigue Monitoring Program Evaluation of Reactor Coolant Pressure Boundary Components for Effects of the Reactor Coolant Environment on Fatigue Usage (I.E., Environmentally-Assisted Fatigue)
L-16-229, Submittal of Pressure and Temperature Limits Report, Revision 328 July 2016Submittal of Pressure and Temperature Limits Report, Revision 3Pressure and Temperature Limits Report
L-17-088, Independent Spent Fuel Storage Installation Changes, Tests and Experiments27 March 2017Independent Spent Fuel Storage Installation Changes, Tests and Experiments
L-17-270, Notification of Emergency Core Cooling System (ECCS) Evaluation Model Change Pursuant to 10 CFR 50.461 September 2017Notification of Emergency Core Cooling System (ECCS) Evaluation Model Change Pursuant to 10 CFR 50.46
L-18-108, Request to Extend Enforcement Discretion Provided in Enforcement Guidance Memorandum 15-002 for Tornado-Generated Missile Protection Non-Conformance Identified in Response to Regulatory Issue Summary 2015-06, Tornado Missile....12 April 2018Request to Extend Enforcement Discretion Provided in Enforcement Guidance Memorandum 15-002 for Tornado-Generated Missile Protection Non-Conformance Identified in Response to Regulatory Issue Summary 2015-06, Tornado Missile....Safe Shutdown
Unanalyzed Condition
Boric Acid
High winds
Tornado Missile
Enforcement Discretion
Probabilistic Risk Assessment
FLEX
Tornado Generated Missile
Tornado Missile Protection
L-19-189, 54010-CALC-01, Davis-Besse Nuclear Power Station: Evaluation of Risk Significance of Permanent ILRT Extension.29 July 201954010-CALC-01, Davis-Besse Nuclear Power Station: Evaluation of Risk Significance of Permanent ILRT Extension.Hot Short
Safe Shutdown
High winds
Internal Flooding
Probabilistic Risk Assessment
FLEX
Tornado Generated Missile
Thermoset
Large early release frequency
L-22-149, Post Accident Monitoring Report23 June 2022Post Accident Monitoring ReportPost Accident Monitoring
L-22-211, Technical Specification 5.6.6 Steam Generator Tube Inspection 180-Day Report29 September 2022Technical Specification 5.6.6 Steam Generator Tube Inspection 180-Day ReportNondestructive Examination
L-22-216, Submittal of Pressure and Temperature Limits Report. Revision 427 September 2022Submittal of Pressure and Temperature Limits Report. Revision 4Hydrostatic
Pressure and Temperature Limits Report
L-22-253, Submittal of Pressure and Temperature Limits Report, Revision 510 January 2023Submittal of Pressure and Temperature Limits Report, Revision 5Hydrostatic
Pressure and Temperature Limits Report
L-23-188, Energy Harbor Nuclear Corp., Supplement to Application for Order Consenting to Transfer of Licenses and Conforming License Amendments7 August 2023Energy Harbor Nuclear Corp., Supplement to Application for Order Consenting to Transfer of Licenses and Conforming License AmendmentsCyber Security
Safeguards Contingency Plan
Fire Protection Program
ML02092075029 March 2002International Nuclear Event Scale (INES) Event Rating Form for Davis-Besse Event
ML0211604108 April 2002Safety Significance Assessment of the Davis-Besse Nuclear Power Station, Unit 1 Reactor Pressure Vessel Head Degradation - Non-Proprietary VersionSafe Shutdown
Boric Acid
Shutdown Margin
Anticipated operational occurrence
Probabilistic Risk Assessment
Finite Element Analysis
Large early release frequency
ML02121058325 April 2002License Condition 2.C(7) Report for Thirteenth Refueling Outage
ML02121059416 April 2002Firstenergy Corp Annual Report from Randy Scilla Retrospective Premium Guarantee
ML02203046412 July 2002Transmittal of Revision 1 to Return to Service PlanBoric Acid
Non-Destructive Examination
Coatings
Maintenance Rule Program
ML0222701049 August 2002Submittal of Semiannual Fitness-for-Duty Report, January - June 2002 from Firstenergy NuclearFitness for Duty
ML02238041920 August 2002Return to Service Update August 20, 2002Boric Acid
Packing leak
Tornado Missile
Coatings
Temporary Modification
Foreign Material Exclusion
Code Reconciliation
ML02239059831 August 2002Report Titled Results of Visual Examination of Reactor Head CRDM Nozzle Penetrations Performed in 1996, 1998 and 2000.Finite Element Analysis
ML02275012523 September 2002Confirmatory Action Letter - Revision 1 to Root Cause Analysis Report Regarding Reactor Pressure Vessel Head Degradation at the Davis-Besse Nuclear Power StationBoric Acid
Time of Discovery
Packing leak
Non-Destructive Examination
Hydrostatic
Coatings
Nondestructive Examination
VT-2
Finite Element Analysis
Condition Adverse to Quality
Fuel cladding
Pressure Boundary Leakage
Through-Wall Leak
Through Wall Leak
Power change
ML02275040521 August 2002Confirmatory Action Letter Response - Management & Human Performance Root Cause Analysis Report on Failure to Identify Reactor Pressure Vessel Head DegradationBoric Acid
Time of Discovery
Packing leak
Non-Destructive Examination
Hydrostatic
Past operability
Probabilistic Risk Assessment
Temporary Modification
VT-2
Condition Adverse to Quality
Pressure Boundary Leakage
Scaffolding
Downpower
ML02276017230 September 2002Degradation of the Davis-Besse Nuclear Power Station Reactor Pressure Vessel Head Lessons-Learned ReportBoric Acid
Time of Discovery
Packing leak
Hydrostatic
Enforcement Discretion
Nondestructive Examination
Temporary Modification
VT-2
Condition Adverse to Quality
Significance Determination Process
Large early release frequency
Systematic Assessment of Licensee Performance
New Senior Resident Inspector
Fuel cladding
Pressure Boundary Leakage
Pressure boundary leak
Generic Issues Program
Fire Watch
Unidentified leakage
Unidentified leak
ML02276018930 September 2002Degradation of the Davis-Besse Nuclear Power Station Reactor Pressure Vessel Head Lessons-Learned Report - Appendices A-DBoric Acid
Packing leak
Hydrostatic
Enforcement Discretion
Nondestructive Examination
Temporary Modification
VT-2
Significance Determination Process
Systematic Assessment of Licensee Performance
License Renewal
Pressure Boundary Leakage
Generic Issues Program
Through-Wall Leak
Unidentified leakage
ML02276021930 September 2002Degradation of the Davis-Besse Nuclear Power Station Reactor Pressure Vessel Head Lessons-Learned Report - Appendices E-FBoric Acid
Packing leak
Weld Overlay
Nondestructive Examination
Locked High Radiation Area
Liquid penetrant
Pressure Boundary Leakage
Pressure boundary leak
Through-Wall Leak
Through Wall Leak