ML040430220
| ML040430220 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 02/12/2004 |
| From: | FirstEnergy Nuclear Operating Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML040430220 (1) | |
Text
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 1
Restart Meeting Davis-Besse Nuclear Power Station
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 2
Meeting Agenda
- Introduction.. Gary Leidich
- Return to Service Plan.Lew Myers
- Recent Operational PerformanceBarry Allen
- Readiness for Plant Operations.Mark Bezilla
- Nuclear Oversights Assessment for Restart...Fred von Ahn
- Request for RestartGary Leidich Gary Leidich FENOC President and Chief Nuclear Officer
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 3
Desired Outcomes
- Provide an overview of the safety improvements accomplished over the past two years
- Demonstrate that our people, plant, and programs are ready for safe and reliable operation
- Request NRC approval for restart Lew Myers Chief Operating Officer - FENOC
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 4
Return to Service Plan Lew Myers Chief Operating Officer - FENOC
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 5
Results of Root Cause Assessments
- Completed comprehensive root cause analyses and identified causes:
-Reactor Pressure Vessel (RPV) head degradation caused by primary water stress corrosion cracking (PWSCC) and boric acid corrosion
-Nuclear Safety Focus
-Acceptance of degraded conditions
-Deficiencies in corrective actions, Engineering analyses, procedure compliance, Quality Assurance (QA) oversight, Operations leadership, and safety focus of Company Nuclear Review Board (CNRB)
- New management team established to implement Return to Service Plan
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 6
Reactor Head Reactor Head Resolution Plan Resolution Plan Program Compliance Program Compliance Plan Plan Containment Health Containment Health Assurance Plan Assurance Plan Restart Test Plan Restart Test Plan Management and Management and Human Performance Human Performance Excellence Plan Excellence Plan System Health System Health Assurance Plan Assurance Plan Restart Action Plan Restart Action Plan Restart Overview Panel Restart Overview Panel Return to Service Plan Return to Service Plan Complete Complete Complete Complete Complete Complete Complete Complete Complete Complete Complete Complete
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 7
Reactor Pressure Vessel Head Replaced
- Replacement reactor vessel head fabricated to same ASME Code Edition and Addenda as original
- Supplemental radiographs satisfactory
- Pressure tests of Reactor Coolant System (RCS) with new head were acceptable
- Control Rod Drive Insertion Time Test was successful
- Reactor Pressure Vessel Head is ready for restart Reactor Pressure Vessel Head
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 8
- Upgraded Emergency Containment Sump
- Installed Decay Heat Valve Tank
- Refurbished Reactor Coolant Pumps
- Installed FLÜS Leak Monitoring System
- Installed Permanent Reactor Cavity Seal
- Replaced Coatings in Containment
- Removed Fibrous Insulation
- Upgraded Cranes and Bridges
- Sealed Containment Vessel-to-Concrete Interface (inner and outer seals)
- Performed Integrated Leak Rate Test
- Ensured Fuel Integrity Containment Sump FLÜS Online Leak Monitoring System Containment Health is Excellent
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 9
Containment Extent of Condition Identified and Corrected
- Conducted thorough boric acid and Alloy 600 component inspections
- Corrective Actions included
- Repacked ~ 100 valves
- Completed ~ 2,500 restart corrective actions
- Upgraded Containment Air Coolers
- Replaced and repaired other components (ductwork, cable trays, coatings)
- Excellent RCS integrity
- Containment systems, structures, and components are ready for restart Containment Air Coolers Decay Heat Valve Tank
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 10 High Pressure Injection Pump
- Completed System Reviews
-Operational Readiness Reviews performed on 43 plant systems
-System Health Readiness Reviews of 31 risk-significant Maintenance Rule systems
-Latent Issues Reviews of five systems
-Topical Area Reviews
-Safety Function Validation Project
- More than 140 modifications completed to improve Safety and Reliability
- Plant systems, structures, and components are ready to support safe operation Emergency Diesel Generator System Health Supports Safe and Reliable Operation
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 11 Plant Engineering
- Completed Program Reviews
-65 in Phase 1 and 6 in Phase 2
- Quality Assurance Program also assessed through the Phase 2 Review Process
- More than 600 restart corrective actions completed to improve programs
- Programs meet/exceed regulatory and industry standards
- Boric Acid Corrosion Control and Leak Detection Programs, Employee Concerns, Operating Experience, Radiation Protection
- Plant programs are ready to support safe operation Fuel Inspection Programs Meet Regulatory and Industry Standards
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 12
- Management/Personnel Development
-New corporate management
-New plant management
-Evaluations of competence of management personnel
- Safety Culture and Safety Conscious Work Environment
- Standards and Decision-Making
- Oversight and Assessments
- Procedure Compliance Management & Human Performance Excellence Plan Anchors Safe Performance Senior Management Meets with ROP
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 13
- Completed Testing
-Containment Integrated Leak Rate Test (April 9)
-RCS 50 psig Test (May 6)
-RCS 250 psig Test (May 25)
-RCS Normal Operating Pressure Test (October 2)
- Heated Reactor Coolant System to
~ 532o using Reactor Coolant Pumps
- Pressurized Reactor Coolant System to
~ 2155 psi
- Conducted plant walkdowns
- Excellent RCS integrity Restart Test Plan Demonstrated Plant Integrity Inspected Incore nozzles (bottom of reactor vessel)
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 14 Recent Operational Performance Barry Allen Plant Manager
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 15 Operations Continues to Demonstrate Visible Improvement
- Operations Leadership driving the site
- Managers are visible in plant enforcing standards
- Improved Shift Manager oversight
- Pre-jobs briefs facilitate desired results
- Reactor Operators role has been expanded
- Operator ownership and accountability
- Consistent annunciator response
- Detailed operational log keeping
- Prescriptive implementation of Technical Specifications
- Plant heat-ups and cool-downs have been successfully completed Control Room
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 16
- NOP Assessment Criteria fully satisfied
-No inadvertent safety system actuations...
-No significant events...
-No integrated plant operating procedure content errors...
-No unplanned entry into technical specifications...
-Consistent implementation of Conduct of Operations...
-Actions taken by management show an improving trend...
-Work implementation schedule adherence at 90% or above...
-Risk profile matches the schedule Operations has Demonstrated Readiness for Restart Control Room
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 17 Readiness for Plant Operations Mark Bezilla Site Vice President
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 18
- Competent individuals
- Strong programs
- Effective management
- Intrusive Independent Oversight Effective Barriers Ensure Success Control Room
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 19
- Plant is in Mode 3 at Normal Operating Pressure
-Plant Systems have been tested and are ready for Mode 2
- Following NRC Approval for Restart
-Complete final Mode 2 Readiness Review and Mode Change Checklist
-Enter Mode 2 (Restart)
-Enter Mode 1
-Management Hold for Effectiveness & Readiness Assessment
-Synchronize to the Grid
-At ~ 50% Power - Management Hold for Effectiveness &
Readiness Assessment
-100% Power Operation
-Post-Restart Effectiveness Critiques at two weeks and one month Integrated Restart Test Plan Assures Safe, Controlled Return to Service
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 20 Performance Improvement Operational Plan
- Improvement Initiatives
-Organizational Effectiveness
-Operations
-Maintenance
-Training
-Work Management
-Engineering
-Safety Culture
-Procedures
-Corrective Action Program
-Internal and External Oversight
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 21
- People, plant, and programs are ready for safe restart Employee alignment training Readiness for Plant Operation Restart banner signing All-Hands Meeting
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 22 Nuclear Oversights Assessment for Restart Fred von Ahn Vice President - Oversight
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 23 Independent Oversight Conclusions
- Nuclear Quality Assurance
-Return to Service Plan adequately implemented and Davis-Besse is ready for restart
- Company Nuclear Review Board
-No safety issues preventing restart
- Restart Overview Panel
-Davis-Besse is ready for restart Senior Management Team with the Restart Overview Panel Restart Overview Panel Restart Approval
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 24
- QA and CNRB Oversight
- Corporate Collective Significance Assessments
- External Focused Assessments
-Safety culture
-Engineering quality
-Corrective Action Program Independent Oversight Assures Continued Improvement After Restart Quality Assurance Oversight
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 25 Gary Leidich President and Chief Nuclear Officer Request for Restart
February 12, 2004 February 12, 2004 Davis-Besse Nuclear Power Station 26 FENOC Respectfully Requests NRC Approval for Restart
- Management team strengthened
- People, plant, and programs are ready for safe, reliable operations
- Established a foundation for sustained, long-term safety performance
- Strong corporate governance and oversight
- Established a strong safety focus