ML030730452
| ML030730452 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 03/11/2003 |
| From: | FirstEnergy Nuclear Operating Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML030730452 (73) | |
Text
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 1
IMC 0350 Meeting IMC 0350 Meeting Davis-Besse Nuclear Power Station Davis-Besse Nuclear Power Station
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 2
Desired Outcomes Desired Outcomes Return to Service Plan Progress
- Plant Programs and Scheduled ActivitiesLew Myers
- FLUS Monitoring SystemCraig Hengge Management and Human Performance
- Problem Solving/Decision Making..Lew Myers
- Management Observation Program..Kathy Fehr Quality Oversight
- Safety Culture Survey; Safety Conscious Work Environment Survey; Quality Assurance Observations.Bill Pearce Return to Service Building Blocks Progress
- System Health.Bob Schrauder
- Containment Health...Lynn Harder
- Restart Action Performance.Clark Price
- Program Compliance...Jim Powers Integrated Schedule Progress
- Upcoming Activities.Greg Dunn
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 3
Lew Myers Chief Operating Officer - FENOC Return to Service Plan Progress Return to Service Plan Progress
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 4
Return to Service Plan Progress Return to Service Plan Progress
- Fuel Reload Preparation
- Core support assembly
- Upper Plenum
- Vessel cleaned
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 5
Return to Service Plan Progress Return to Service Plan Progress
- Fuel Load Activity
- Began Feb. 19
- 177 fuel assemblies
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 6
Return to Service Plan Progress Return to Service Plan Progress
- Fuel Load Completed
- Feb. 26, 2003
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 7
Return to Service Plan Progress Return to Service Plan Progress Reactor Head Installation Completed - March 10
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 8
Return to Service Plan Progress Return to Service Plan Progress
- FLUS Under Vessel Monitoring System
- Installation underway
- Conduit, cabinets, and tubing
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 9
Return to Service Plan Progress Return to Service Plan Progress
- Safety Features Actuation System Test
- Integrated Diesel Test
- Corrective Action Program Procedure Revision
- Effective March 1, 2003
- Implementation of Decision Making/Problem Solving Procedure
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 10 Return to Service Plan Progress Return to Service Plan Progress
- Containment Air Coolers Installed
- Stainless steel coils
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 11 Return to Service Plan Progress Return to Service Plan Progress
- Decay Heat Pit Tank Upgrade
- Mode 6 Restart Readiness Reviews Conducted
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 12 Craig Hengge Engineer - Plant Engineering FLUS Online Leak Monitoring System FLUS Online Leak Monitoring System
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 13 Framatome Leak Detection Testing Framatome Leak Detection Testing
- Measure Leak Rate as a Function of Simulated Flaw Geometry
- Identify residue deposit chemistry and any volatile chemicals that exit the crevice
- Investigate the effect of annulus on leakage rates
- Verify Methods for Detecting Very Small Leaks
- Visible evidence of boron residue
- Other detectable residue
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 14 Framatome Leak Detection Testing Framatome Leak Detection Testing Test # Duration Boron Leak Rate 1
8 Hours 2680 ppm.015 gpm 2
8 Hours 2680 ppm.0015 gpm 3
8 Hours 2680 ppm.0004 gpm 4
8 Hours 1134 ppm.0015 gpm 5
55 Hours 2680 ppm.0006 gpm, 0 gpm after 47 Hrs
- All Tests Resulted in Visible Residue on Tube and Vessel Surface
- Significant Lithium Deposits Left at Tube/Vessel Surface
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 15 FLUS Online Leak Monitoring System FLUS Online Leak Monitoring System
- State-of-the-Art System
- 10 Year Operational History
- 12 installed in Europe and Canada
- Detect and Locate Under Vessel Leakage
- Located between Reactor Vessel insulation and bottom of Reactor Vessel
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 16 FLUS Online Leak Monitoring System FLUS Online Leak Monitoring System
- Installation
- Simple installation; conduit, cabinets, tubing
- Tubing is 3/8 diameter
- Approximate three weeks to complete Non-Sensitive Tubing Sensor Element
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 17 FLUS Online Leak Monitoring System FLUS Online Leak Monitoring System
- Eight Channel System
- Allows future upgrade
- Expected sensitivity:
.004 to.02 gpm
- FLUS Sensitivity Test During Mode 3
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 18 FLUS Online Leak Monitoring System FLUS Online Leak Monitoring System
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 19 Lew Myers Chief Operating Officer - FENOC Problem Solving/Decision Making Problem Solving/Decision Making Nuclear Operating Procedure Nuclear Operating Procedure
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 20 Problem Solving/Decision Making Problem Solving/Decision Making Nuclear Operating Procedure Nuclear Operating Procedure
- Purpose
- Ensure plant issues are addressed consistently and effectively without consequences to plant safety and reliability
- Evaluate significance and potential impact on nuclear safety
- Determine level of management approval based on significance
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 21 Problem Solving/Decision Making Problem Solving/Decision Making Nuclear Operating Procedure Nuclear Operating Procedure
- Low Significance
- No personnel or radiological issues
- Not likely to cause plant damage to components or systems
- Not likely to effect operations or PSA Risk
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 22 Problem Solving/Decision Making Problem Solving/Decision Making Nuclear Operating Procedure Nuclear Operating Procedure
- Medium Significance
- Potential personnel or radiological concerns
- Without controls could cause damage to plant equipment
- Controls required to prevent undesirable change of state of components - no plant transients
- Re-evaluation of PSA Risk
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 23 Problem Solving/Decision Making Problem Solving/Decision Making Nuclear Operating Procedure Nuclear Operating Procedure
- High Significance
- Without controls could cause damage to critical plant equipment
- Could result in personnel or radiological safety issues
- With proper controls will not result in reactor changes, generator runbacks or power reductions
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 24 Problem Solving/Decision Making Problem Solving/Decision Making Nuclear Operating Procedure Nuclear Operating Procedure
- Six Principles
- Conditions are recognized and reported using the Corrective Action Program
- Roles and responsibilities are clearly established for making and implementing decisions
- Consequences of operational challenges are clearly defined and rigorously evaluated
- Establish full understanding of short term and long term risk
- Develop implementation plans to establish actions, compensatory measures and contingencies
- Periodic evaluation of activities
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 25 Kathy Fehr Owner-Management Observation Program Management Observation Program Management Observation Program Management Observation Program
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 26 Management Observation Program Management Observation Program
- Purpose
- Management oversight on activities and influence desired behaviors
- Definitions
- Satisfactory: Meets or exceeds expectations, no comments by the observer
- Satisfactory Coached: Meets or exceeds expectations, comments by the observer
- Unsatisfactory Coached: Provide feedback for area of improvement
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 27 Supervisor 49%
Other 15%
Superintendent 11%
Manager/Shift Manager 18%
VP/Director 7%
Approximately 350 Observations 03-08-03 Observation Percentage by Title (February 2003)
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 28 Management Observation Program Management Observation Program
- Total Observations
- 350 Observations
- Scheduled Observations
- 90% average for February
- Condition Reports
- 6.21% of February observations generated condition reports (20)
- 5.98% for January
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 29 Management Observation Program Management Observation Program January Field
- Total Coached: 10.9%
- 7.9% satisfactory coached
- 3% unsatisfactory coached February Field
- Total Coached: 12.2%
- 9.4% satisfactory coached
- 2.8% unsatisfactory coached
- Management observations have had a positive effective
- Improvement is needed and ongoing
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 30 Quality Oversight Quality Oversight Bill Pearce Vice President - FENOC Oversight
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 31 Quality Oversight Quality Oversight Safety Culture Assessment
- Activities Completed
- Interviewed approximately 90 employees
- Observed normal plant activities
- Site meetings
- Departmental interaction
- Conducted pencil and paper survey
- 80% participation
- Results Being Analyzed
- Convergent Validity
- Results within several weeks
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 32 Quality Oversight Quality Oversight Safety Conscious Work Environment
- Periodic Survey to be Conducted
- Week of March 24
- Majority of Questions Remain the Same
- Includes questions from NEI 97-05
- Rating Scale Remains the Same
- Survey to be Voluntary and Anonymous
- Site personnel encouraged to participate
- Results in April
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 33 Quality Oversight Quality Oversight Quality Assurance Observations
- QA Audit Program Review
- Areas in Need of Improvement
- Implementation of commitments
- Audit checklists
- Use of Operating Experience in auditing
- Training/qualification of auditors
- Escalation of inadequate actions to audit findings
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 34 Quality Oversight Quality Oversight Quality Assurance Observations
- Review Presented to Program Review Board
- February 10
- Review Board Finding
- Need for review of ASME QA Audit Program
- Review Board will re-evaluate Audit Program
- Completed March 10
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 35 Quality Oversight Quality Oversight Quality Assurance Observations
- Oversight of New Reactor Head
- Restart Station Review Board
- Fuel Handling
- In-Service Inspection
- Quality Control
- Contractor Control
- Corrective Action
- Safety Culture
- Feedwater Flow Modification
- Quality of Work
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 36 Bob Schrauder Director - Support Services System Health Progress System Health Progress
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 37 System Health Progress System Health Progress Collective Significance Reviews
- System Health Assurance Plan Reviews Identified Potentially Cross Cutting Issues
- Initial Collective Significance Review Identified Five Topical Areas Warranting Further Evaluation:
- Seismic Qualification
- Station Flooding
- High Energy Line Break (HELB)
- Environmental Qualification (EQ)
- Appendix R Safe Shutdown Analysis
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 38 System Health Progress System Health Progress Review Process
- Nuclear Operating Business Practice Collective Significance Review
- Consistent process and format
- Evaluation Process
- Condition Report (CR) database used to identify population of issues to evaluate
- Bin CRs into common issues areas
- Evaluate each issue to determine program significance
- Conduct extent of condition evaluation where warranted
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 39 System Health Progress System Health Progress Seismic Seismic
- Actions to Support Restart
- Evaluate impact of Cooling Tower Makeup pumps not in accordance with USAR
- Resolve boundary conflicts between Seismic and Quality classification
- HFA relays require adjustment to avoid potential chatter
- Evaluate impact of boric acid on supports
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 40 System Health Progress System Health Progress Seismic Seismic
- Future Improvements
- Eliminate confusion on boundary classifications
- Improve procedural requirements for control of temporary equipment
- Create a Seismic Program Summary document
- Implement the SQUG New and Replacement Equipment program
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 41 System Health Progress System Health Progress Station Flooding Station Flooding
- Actions to Support Restart
- Assess impact of Cooling Tower Makeup Pump seismic categorization on Service Water System
- Evaluate impact of flooding service water tunnel on service water isolation valves to turbine building
- Verify functionality of critical floor drains
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 42 System Health Progress System Health Progress Station Flooding Station Flooding
- Future Improvements
- Install flood seals in conduit penetrations
- Implement a formal inspection program for barriers with functions other than Fire Protection
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 43 System Health Progress System Health Progress High Energy Line Break High Energy Line Break
- Actions to Support Restart
- Complete re-analysis of Turbine Building breaks
- Revise calculation affecting line breaks/cracks
- Verify Auxiliary Building free space volumes and openings
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 44 System Health Progress System Health Progress High Energy Line Break High Energy Line Break
- Future Improvements
- Update model for Auxiliary Building environmental conditions
- Revise calculations having no impact crack/break location
- Revise USAR and Design Criteria Manual
- Compile list of time critical Operator actions and bases and provide to Operations
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 45 System Health Progress System Health Progress Environmental Qualification Environmental Qualification
- Actions to Support Restart
- Evaluate environmental effects on EQ equipment due to HELB reanalysis
- Replace vendor supplied splices with EQ splices in Containment Limitorque actuators
- Correct Raychem splice bend radius on four level transmitters
- Replace containment purge inlet isolation solenoid valve due to accelerated thermal aging
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 46 System Health Progress System Health Progress Environmental Qualifications Environmental Qualifications
- Future Improvements
- Revise guidance documents on installation of Limitorque actuators to ensure installation with qualified splices
- Provide drainage configurations for containment conduit, as necessary
- Maintenance Matrix of EQ files will be revised to require weep holes at low points of raceways in containment
- Revise EQ program to provide guidance on recognizing components needing raceway drainage
- Develop and conduct EQ refresher training
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 47 System Health Progress System Health Progress Appendix R - Safe Shutdown Analysis Appendix R - Safe Shutdown Analysis
- Actions to Support Restart
- Complete Framatome transient calculation upgrade project
- Complete Flow model of Component Cooling Water fire induced valve failure
- Perform technical review of responses to requests for assistance (RFA)
- Perform QA Triennial Audit
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 48
- Future Improvements
- Formalize informal calculation in Requests for Assistance (RFAs) where necessary
- Complete safe shutdown procedures upgrade project System Health Progress System Health Progress Appendix R - Safe Shutdown Analysis Appendix R - Safe Shutdown Analysis
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 49 Lynn Harder Containment Health Inspection Project Manager Containment Health Containment Health
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 50 Containment Health Containment Health
- Ensuring Equipment Supports Safe and Reliable Plant Operation
- Inspection Procedures for Extent of Condition
- As found conditions documented through Condition Reports
- Electrical, structural, mechanical
- More than 500 components inspected
- 200 Alloy 600 components inspected
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 51 Containment Health Containment Health
- Independent Evaluators Performed Cause Analysis on More Than 950 Condition Reports
- More than 6,400 Corrective Actions developed to ensure remediation
- Rework, replace, refurbish, and clean
- More than 12,000 assets involved
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 52 Containment Health Containment Health Containment Air Cooler Core Flood Tank
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 53 Containment Health Containment Health Plenum Sensing Line Service Water Piping/Support
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 54 Containment Health Containment Health Containment Air Cooler Plenum Containment Air Cooler Service Water Piping
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 55 Containment Health Containment Health Containment Dome Painting
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 56 Containment Health Containment Health 10.7°C 35.9°C 20 30 Station Water Piping (left) and Thermography Shots (below)
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 57 Containment Health Containment Health
- Containment Health Inspection Teams
- Final clean-upof remaining work
- As Left Conditions
- Documented by inspectors after cleaning
- Assessed by independent evaluators
- As left compared against as found
- Final as left inspection
- Baseline for Boric Acid Corrosion Control Program procedure
- Provides for a systematic method
- Restart Test Plan
- Four independent tests verify no Reactor Coolant System leakage
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 58 Restart Action Performance Restart Action Performance Clark Price Owner - Restart Action Plan
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 59
- 0350 Checklist Items
- Restart Action Progress Restart Action Performance Restart Action Performance
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 60 Restart Action Performance Restart Action Performance Field Complete In Progress N/A - Not Applicable Discovery Implementation 90 97 Technical Root Cause 02-0891 95 100 100 100 78 84 72 0350 Item Description 1
Adequacy of Root Cause a Penetration cracking and reactor pressure vessel corrosion b Organizational, programmatic and human performance issues 2
Adequacy of Safety Significant Structures, Systems and Components a Reactor Pressure Vessel Head Replacement b Containment Vessel Restoration following RPV Head Replacement c Structures, Systems and Components Inside Containment c.1 Containment Emergency Sump d Boric Acid in Systems Outside Containment Item No.
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 61 Restart Action Performance Restart Action Performance Field Complete In Progress N/A - Not Applicable Discovery Implementation 0350 Item Description Item No.
100 100 100 100 100 100 100 100 100 85 9
75 100 75 85 25 95 9595 3
Adequacy of Safety Significant Programs a Corrective Action Program b Operating Experience Program c.1 Quality Audits c.2 Self-Assessments of Programs d Boric Acid Corrosion Management Program e Reactor Coolant System Unidentified Leakage Monitoring Program f In-Service Inspection Program g Modification Program h Radiation Protection Program i Completeness & Accuracy of Required Records
& Submittals to NRC
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 62 Restart Action Performance Restart Action Performance Field Complete In Progress N/A - Not Applicable Discovery Implementation 0350 Item Description Item No.
4 a-b 5
Readiness for Restart a Review of Licensee's Restart Action Plan b Systems Readiness for Restart b.1 Design Calculation Resolution c Operations Readiness for Restart d Test Program Development and Implementation 6 a-f Licensing Issue Resolution 7 a Adequacy of Organizational Effectiveness
& Human Performance Confirmatory Action Letter Resolution 100 100 85 60 Restart Readiness Reviews Restart Readiness Reviews 80 Restart Readiness Reviews
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 63 Restart Action Performance Restart Action Performance TOTAL RESTART CONDITION REPORT EVALUATIONS 0
1000 2000 3000 4000 5000 6000 Number of Restart CRs Add Close Tot a l Close d 1320 1417 1547 1652 1752 1880 2062 2250 2330 2488 2720 2994 3063 3145 3249 3457 3614 3743 3906 4067 4264 4556 4814 Tot a l Ope n 2116 2227 2382 2468 2488 2489 2422 2316 2280 2263 2145 1915 1861 1787 1724 1615 1552 1510 1402 1290 1127 867 619 Close 123 97 130 105 100 128 182 188 80 158 232 274 69 82 104 208 157 129 163 161 197 292 258 Add 243 208 285 191 120 129 115 82 44 141 114 44 15 8
41 99 94 87 55 49 34 32 10 10/ 6 10/ 13 10/ 20 10/ 27 11/ 3 11/ 10 11/ 17 11/ 24 12/ 1 12/ 8 12/ 15 12/ 22 12/ 29 1/ 5 1/ 12 1/ 19 1/ 26 2/ 2 2/ 9 2/ 16 2/ 23 3/ 2 3/ 9 3/ 16 3/ 23 3/ 30 Good
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 64 Restart Action Performance Restart Action Performance TOTAL RESTART CORRECTIVE ACTIONS 0
1000 2000 3000 4000 5000 6000 Number of Restart CAs Add Close Total Closed 343 381 443 491 561 601 676 758 836 966 1082 1193 1210 1306 1451 1609 1809 2002 2246 2432 2675 3036 3346 Total Open 1482 1627 1796 1989 2118 2267 2394 2590 2606 2774 2913 3064 3060 3046 3206 3371 3393 3330 3179 3078 2934 2641 2347 Close 76 38 62 48 70 40 75 82 78 130 116 111 17 96 145 158 200 193 244 186 243 361 310 Add 309 183 231 241 199 189 202 278 94 298 255 262 13 82 305 323 222 130 93 85 99 68 16 10/ 6 10/ 13 10/ 20 10/ 27 11/ 3 11/ 10 11/ 17 11/ 24 12/ 1 12/ 8 12/ 15 12/ 22 12/ 29 1/ 5 1/ 12 1/ 19 1/ 26 2/ 2 2/ 9 2/ 16 2/ 23 3/ 2 3/ 9 3/ 16 3/ 23 3/ 30 Good
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 65 Restart Action Performance Restart Action Performance Restart Work-Off Rates - 4 Week Average BUILDING BLOCK 9-Feb 16-Feb 23-Feb 2-Mar 9-Mar CONTAINMENT HEALTH Condition Reports Corrective Actions SYSTEM HEALTH Condition Reports Corrective Actions PROGRAM COMPLIANCE Condition Reports Corrective Actions NON BUILDING BLOCK Condition Reports Corrective Actions TOTAL RESTART Condition Reports Corrective Actions Work Off Rate Declined from Prior Week Work Off Rate Improved from Prior Week Work Off Rate Unchanged from Prior Week Week Ending
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 66 Jim Powers Director - Nuclear Engineering Program Compliance Program Compliance
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 67 Program Compliance Program Compliance
- Program Review Process Approval
- New Set Point Program Prior to Restart
- Programs Changes and Improvements
- Involves more than 60 programs
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 68 Program Compliance Program Compliance
- Corrective Action Program
- Issue: Inadequate implementation of the program
- Resolution: Condition Report Analyst, Corrective Action Review Board improvements, and procedure changes
- Operating Experience (OE)
- Issue: OE not properly evaluated and incorporated into activities
- Resolution: Procedure changed to improve process and OE use promoted
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 69 Program Compliance Program Compliance
- Boric Acid Corrosion Control
- Issue: Did not address sources of boric acid outside containment and Reactor Vessel Head
- Resolution: Revised program to include sources outside containment and Reactor Vessel Head
- In-Service Inspection Program
- Issue: Program did meet the legal requirement, but not the intent
- Resolution: Procedures have been revised and personnel refocused
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 70 Program Compliance Program Compliance
- Plant Modification Program
- Issue: Handoff of engineering package activities to planning and field relies on tribal knowledge to function
- Resolution: Procedures are being developed and revised to address the issues
- Radiation Protection Program
- Issue: Content of procedures does not contain requirements
- Resolution: Procedures are being upgraded to incorporate requirements
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 71 Upcoming Activities Upcoming Activities Greg Dunn Manager - Outage Management & Work Control
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 72 Upcoming Activities Upcoming Activities
- Restart Milestones
- Tension Studs/Mode 5
- Drain Down/Nozzle Dams
- Reactor Coolant System Fill
- Emergency Sump Lower Strainer Assembly
- Containment Air Coolers
- Mode 4 Restart Readiness Meeting
- Reactor Pressure Test
March 11, 2003 March 11, 2003 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station 73 Closing Remarks Closing Remarks Lew Myers Chief Operating Officer - FENOC