ML16174A315
| ML16174A315 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 06/21/2016 |
| From: | NRC/RGN-III |
| To: | |
| References | |
| Download: ML16174A315 (27) | |
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Davis-BesseNuclear Power StationAnnual Assessment MeetingOpen HouseJune 21, 20162015 Reactor Oversight ProcessNuclear Regulatory Commission -Region III Our MissionTo license and regulate the nation's civilian use of byproduct, source, and special nuclear materials to ensure adequate protection of public health and safety, promote the common defense and security, and protect the environment.2 MaterialsReactorsWasteWhat We Regulate RadonMilitaryX-RaysWhat We Don't Regulate Some Nuclear Facts *100 nuclear power plants supply about 20 percent of the electricity in the U.S.*Nuclear materials are used in medicine for diagnosis and cancer treatment.*Nuclear materials are widely used in industry, such as in density gauges, flow measurement devices, radiography devices, and irradiators.5 NRC Performance GoalsSafety-Ensure adequate protection of public health and safety and the environmentSecurity-Ensure adequate protection in the secure use and management of radioactive materials6 How We Regulate Regulatory FrameworkNRC's Safety Mission Strategic Performance AreasCornerstonesCross-Cutting AreasHuman Performance--Safety Conscious Work Environment--Problem Identification & Resolution Reactor Oversight Process9SafetyCornerstonesBaseline Inspection ResultsSignificance ThresholdAction MatrixSignificance ThresholdPerformance IndicatorResultsRegulatory ResponseStrategicPerformance AreasSafetyCornerstonesBaseline Inspection ResultsSignificance ThresholdAction MatrixSignificance ThresholdPerformance IndicatorResultsRegulatory ResponseStrategicPerformance Areas Significance ThresholdIncreasing Safety SignificanceGreenWhiteYellowRedPerformance IndicatorsInspection FindingsGreenWhiteYellowRedIncreasing Safety Significance Action Matrix ColumnsIncreasing*Safety Significance*Inspection *Management Involvement*Regulatory ActionLicensee ResponseRegulatoryResponseDegradedMultiple/RepetitiveDegradedUnacceptable Performance 12National Summary of Plant PerformanceStatus as of 02/22/2016Licensee Response 90 Regulatory Response 7 Degraded Cornerstone 0 Multiple/Repetitive Deg. Cornerstone3 Unacceptable 0 IMC 0350 Oversight0 Total100 13National Summary *Performance Indicator Results for 2015*-Green6686-White12-Yellow0-Red0*PIs are counted per plant per quarter*Total Inspection Findings in 2015#-Green782-White8-Yellow0-Red0# Finding data current as of 2/22/2016 NRC Annual Assessment SummaryFirstEnergy Nuclear Operating Company operated the station safely and in a manner that preserved the public health and safety and protected the environment.Davis-Bessewas in the Licensee Response Column of the NRC's Action Matrix in the third quarter of 2015Davis-Bessewas in the Regulatory Response Column in first, second, and fourth quarters of 2015 due to one or more Greater-than-Green violations associated with the Physical Protection cornerstone No Cross-Cutting Themes were identifiedDavis-BesseNuclear Power Station1414 NRC Inspection Activities5761 total hours expended by NRC on Reactor Oversight Process activities2429 inspector hours of direct inspection activity638 inspector hours reviewing and observing plant operating status1500 inspector hours of preparation for and documentation of inspection activities 1194 hours0.0138 days <br />0.332 hours <br />0.00197 weeks <br />4.54317e-4 months <br /> for other Reactor Oversight Process elements (e.g., assessments and communications)15Davis-Besse2015 NRC Inspection Activities2 resident inspectors on site -residents produced four quarterly inspection reports and walked through the plant daily24 other inspectors participated in various inspections3major team inspectionsSupplemental Inspection for a Regulatory Response column entryComponent Design Basis InspectionBiennial Problem Identification and Resolution InspectionDavis-BesseNuclear Power Station for 201516 Significance ThresholdGreenBaseline InspectionWhiteRequires additional NRC oversightYellowRequires more NRC oversightRedRequires most NRC oversightPerformance IndicatorsInspection FindingsGreenVery low safety issueWhiteLow to moderate safety issueYellowSubstantial safety issueRedHigh safety issue17 Davis-BessePIs and FindingsAll Green Performance Indicators9 Green/Severity Level IV Inspection Findings1 or more Greater-Than-Green Inspection Findings associated with the Security CornerstoneJanuary 1 through December 31, 201518 Safety Significant FindingsOne or more Greater-Than-Green Findings carryover from 2014Corrective Actions Found Sufficient during Inspection in Second Quarter of 2015Davis-Bessetransitioned to Licensee Response Column at beginning of third quarter 2015 One or more Greater-Than-Green Findings in fourth quarter of 2015Davis-Bessetransitioned to Regulatory Response Column at beginning of fourth quarter 2015 Davis-BesseNuclear Power Station NRC Inspection FindingsFailure to maintain Flow-Accelerated Corrosion Computer Model results in a non-safety piping failureFailure to install and control reactor coolant pump seal vent flexible hoses per design analysesFailure to request and obtain a license amendment for use of an unreviewedmethod of analysis for the capability of the shield buildingDavis-BesseNuclear Power StationSome Examples of Green Findings20 NRC Inspection Plans for 2016NRC Plans Baseline Inspections for 2016 This includes the following major team inspections:Post License Renewal Inspection (completed)Triennial Fire Protection InspectionInitial Reactor Operator License ExaminationsSupplemental Inspection for one or more Greater-Than-Green inspection findings 21Davis-BesseNuclear Plant 22Mitigating Strategies (MS) & Spent Fuel Pool Instrumentation (SFPI) Order*MS Order requires strategies to cope with a long term loss of safety systems*SFPI Order requires plants to be able to tell if water is at or above certain levels*Site Audit was performed in November 2015*Site Safety Evaluation scheduled to be issued after the NRC receives the site compliance letter *Regional inspection of MS inspection (TI 191, Rev 1) will be performed after Safety Evaluation issuedDavis-BesseFukushimaRecommendations Status Davis-BesseFukushima Flooding Response Status*Flooding Hazard Reevaluations-Reevaluate Hazards using present-Day information-Flooding Was Submitted March 2015-Staff assessments will be issued by December 2016-Inspectors completed TI-190 which verified a licensee's interim actions were appropriate to mitigate the reevaluated flood levels.*Licensees will address the reevaluated flood heights as part of their Mitigating Strategies Assessment, and if impacted take one of four potential paths:1) No change; 2) procedural change; 3) physical modifications;4) Revised Mitigating Strategies23 24*Seismic Walkdowns-Verify that the site can meet its current requirements for hazard protection-Walkdownsare complete; Staff assessments issued *Seismic Hazard Reevaluations-Reevaluate Hazards using present-Day information-Seismic Reevaluations submitted March 31, 2014 -NRC assessment of the licensee submittal was issued on August 25, 2015-NRC assessment in letter dated October 27, 2015, stated that a full seismic risk evaluation was not required *Sites will evaluate the impacts of the updated Seismic hazards as part of their mitigating strategies assessment.Davis-BesseFukushima Seismic Response Status Actions in Response to the Japan Nuclear Accident*Actions in response to Japan Nuclear Accident: http://www.nrc.gov/japan/japan-info.html*Mailbox for comments on staff actions: JLD_Public.Resource@nrc.gov*Office of Public Affairs Point of Contact: OPA.resource@nrc.govor 301-415-820025 NRC Social Media Channels*Blog:http://public-blog.nrc-gateway.gov/*Flickr:http://www.flickr.com/photos/nrcgov/*Twitter:https://twitter.com/#!/nrcgov*YouTube: http://www.youtube.com/user/NRCgov*RSS:http://www.nrc.gov/public-involve/listserver.html#rss26 27Reference Sources*Reactor Oversight Process-http://www.nrc.gov/NRR/OVERSIGHT/ASSESS/index.html*Public Electronic Reading Room-http://www.nrc.gov/reading-rm.html*Public Document Room-1-800-397-4209 (Toll Free)