Notes
Slide Show
Outline
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STATUS OF  IMPLEMENTATION OF DAVIS-BESSE LESSONS LEARNED TASK FORCE RECOMMENDATIONS
  • Office of Nuclear Reactor Regulation  (NRR)
  • Office of Nuclear Regulatory Research (RES)
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Agenda
  • Overview
  • Stress Corrosion   Cracking
  • Operating Experience
  • Inspection Program - Management
  • Barrier Integrity
  • Regional Activities
  • Summary


  • J. Dyer
  • W. Bateman
  • T. Reis
  • S. Richards
  • A. Lee
  • E. Merschoff
  • J. Dyer
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Overview
Initial Plan Project Controls
  • Action Plans developed for 21 High Priority items
  • Remaining items integrated into individual Office operational activities via Planning, Budgeting and Performance Management (PBPM) process
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Overview
Enhanced Project Controls
  • Office Executive Level approval of schedule changes and completion
  • Timely Completion
  • Effectiveness Reviews
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Overview
Status of Implementation
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Overview
Status of Implementation
    • Remaining Items:
  • 7 to be completed by May 05
  • 1 may require regulatory actions to implement working group recommendations
  • 1 depends on ASME actions


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Stress Corrosion Cracking
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Stress Corrosion Cracking
  • Closed Actions
    • Assessment of foreign and domestic Alloy 600 Stress Corrosion Cracking and Boric Acid Corrosion
    • Temporary Instructions
    • Revised NRC In-service Inspection Activities Procedure
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Stress Corrosion Cracking
  • Remaining Actions
    • SRM Direction on SECY 04-0115, Rulemaking Plan For Upper Head Inspections
    • Boric Acid Corrosion Inspection Program Review
    • Update Project Manager’s Handbook
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Stress Corrosion Cracking
  • Increased Sensitivity to Materials Degradation
    • Increased Generic Correspondence on Issues
    • Enhanced Inspection Guidance
  • Enhanced Communications
    • Stakeholders
    • Intra-agency
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Stress Corrosion Cracking
  • Challenges
    • American Society of Mechanical Engineers (ASME) Code Activities
    • Effectiveness Reviews
  • Continue to Review Future Inspection Results For Improvements
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Operating Experience
  • Feb 26 Briefing  Status– NRR and RES had endorsed recommendations of interoffice task force
    • Committed to develop plan by 4/04
  • Framework to be established by 12/04
    • Program will be dynamic and continuous improvements will occur

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Operating Experience
  • Continuing Improvements
    • Improved screening structure
    • Improved, prompt feedback
    • Improvements in web access
    • Foreign operating experience
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Operating Experience
  • Plan issued April 29, 2004
    • Modular Approach to Developing Framework
      • Clearinghouse Module
      • Procedures Module
      • Information Technology Module
      • Effectiveness Module
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Operating Experience
  • Operating  Experience Program  is designed to meet accepted Objectives and Attributes of NRC Operating Experience Program
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Operating Experience
  • Overarching principle
    • Program will support core agency programs and provide for informed decision making and facilitate continuous improvement of core programs

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Program at a Glance
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Operating Experience
  • Implementation Challenges
    • Resource intensive
    • Effectiveness of Interoffice Coordination.
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Operating Experience
  • Generic Communication Effectiveness
    • Sampling Effort
    • Program Changes
  • Continual Efforts in this area
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Inspection Program Management
  • LLTF recommendations:
    • Longstanding issues
    • Inspector training
    • Plant assessment process
    • Generic communications and licensee commitments
    • Project Manager responsibilities
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Inspection Program Management
  • Recent program revisions:
    • Containment walkdowns
    • Walkdowns in other restricted areas
    • Deferred modifications
    • Multiple, repetitive, unplanned Technical Specification actions
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Inspection Program Management
  • Other LLTF recommendations:
    • Interim Plant Performance Review process
    • annual ROP refresher training
    • review of previous lessons learned reports
    • Project Manager expectations
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Inspection Program Management
  • LLTF action items under review:
    • metric for resident inspection staffing
    • review of previously deleted inspections
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Inspection Program Management
  • Challenges:
    • Increased inspection of licensee employee concerns programs and safety conscious work environment
      • SRM issued August 30, 2004
      • cross-cutting issues
      • inspector training
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Barrier Integrity
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Barrier Integrity
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Barrier Integrity
Improving coolant leakage requirements
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Barrier Integrity
Improving coolant leakage inspection procedures
  • Action levels to trigger increasing levels of interaction with NRC in response to increasing levels of unidentified RCS leakage. (High)
    • Licensees required to trend leak rates
    • Inspectors review licensee procedures for action steps

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Barrier Integrity
Improving Coolant Leakage Inspection Procedures
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Barrier Integrity
Risk Assessment of Passive Component Degradation
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Barrier Integrity
Challenges
  • RCS leakage rate limit
  • Barrier Integrity PIs
  • Risk assessment of passive components
  • Effectiveness review and implementation


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Barrier Integrity
Summary
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Regional Activities

  • Davis-Besse Lessons Learned reviewed from regional operations perspective
  • Review Discussed
    •   Regional Administrators
    •   Director NRR
    •   Deputy EDO for Reactor Programs

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Regional Activities
  • Resulted in a Regional Best Practices Benchmarking Process
    •   Morning Meetings (complete)
    •   Incident Response (complete)
    •   Management Roles and     Responsibilities (March 2005)
    •   Inspector Field Observations     (June 2005)
    •   Operating Experience (Oct 2005)
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Summary