ML022680265
| ML022680265 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 09/17/2002 |
| From: | FirstEnergy Nuclear Operating Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML022680265 (47) | |
Text
1 Davis-Besse Davis-Besse Nuclear Power Station Nuclear Power Station Return to Service Plan Update Return to Service Plan Update Return to Service Plan Update September 17, 2002
2 Lew Myers FENOC Chief Operating Officer Introduction Introduction
3 Desired Outcomes Desired Outcomes
- Demonstrate that Davis-Besse is making progress toward restart.
- Discuss issues and our resolve to do the job correctly.
- Discuss the major restart milestones and the status of the Integrated Schedule.
- Discuss status of Technical Root Cause.
- Provide status of several Building Blocks.
- Demonstrate progress of activities through discussion of our Performance Indicators.
- Discuss our Restart Test Plan.
4 Milestones and Milestones and Scheduled Activities Scheduled Activities Mike Stevens Director - Work Management
5 Major Milestones Major Milestones Major Restart Milestones Major Restart Milestones Restore the Containment Vessel and Shield Building System Health Readiness Reviews System Health Latent Issues Reviews FENOC Decision Making procedure implemented Containment Extent of Condition Inspections and Evaluations Regulatory Compliance Program implemented Complete Program Reviews Conduct of Operations effectively implemented
6 Major Milestones Major Milestones Major Restart Milestones Major Restart Milestones Core Reload (October 30)
Corrective Actions for Program and Systems Reviews implemented New Reactor Vessel Head on Reactor Enter Mode 5 (November 3)
Reactor Coolant System Filled and Vented Management Restart Readiness Review Enter Mode 4 (November 19)
7 Major Milestones Major Milestones Major Restart Milestones Major Restart Milestones Enter Mode 3 Full Pressure Containment Inspections Restart Overview Panel recommends restart NRC Approval for restart (November 18)
Enter Mode 2 (December 4)
Enter Mode 1 Final Synchronization to Grid 100 % Power (December 7)
8 Major Activities Major Activities NRC Restart Checklist Items:
NRC Restart Checklist Items:
- Adequacy of Root Cause Determinations
- Adequacy of Safety Significant Structures, Systems, and Components
- Adequacy of Safety Significant Programs
- Adequacy of Organizational Effectiveness and Human Performance
- Readiness for Restart
- Licensing Issue Resolution
- Confirmatory Action Letter Resolution
9 Current Management Work Activities:
Current Management Work Activities:
Reactor Coolant System Hot Leg Thermowell Containment Emergency Sump Containment Coatings Safety System Design Performance Capability
- Service Water System
- High Pressure Injection System
- 4160V Electrical Distribution System Condenser Coatings Emergency Diesel Generator Air Start Major Activities Major Activities
10 Current Management Work Activities:
Current Management Work Activities:
Feedwater Heater 1-6 Reactor Coolant Pumps Polar Crane Reliability upgrades Reactor Cavity Permanent Seal Decay Heat Valve Pit Operator Work Arounds Temporary Modifications Major Activities Major Activities
11 Status of Technical Root Cause Status of Technical Root Cause Jim Powers Director -- Technical Services
12 Status of Technical Root Cause Status of Technical Root Cause
13 Analysis Findings:
Analysis Findings:
- A series of surface cracks found in lab
- Appears to be approximately 2-inches at weld pass
- Does not extend through the cladding
- Clad found thinner in lab measurements Status of Technical Root Cause Status of Technical Root Cause
14 Reactor Head Restoration Reactor Head Restoration Bob Schrauder Director -- Support Services
15 Replacement Head Activities Replacement Head Activities
- Old head is removed and in storage
- New head is inside Containment and on its stand
- Service Structure ready for installation
- Containment Restoration underway Reactor Head Resolution Plan Reactor Head Resolution Plan
16 Difficulties Addressed Difficulties Addressed Work delayed due to Polar Crane upgrades Stopped work while restoring containment to resolve work practice and quality issues
- Work completed was not impacted
- Recovery Plan approved and work was allowed to proceed Reactor Head Resolution Plan Reactor Head Resolution Plan
17 Old Reactor Head Old Reactor Head New Reactor Head New Reactor Head
18 New Head Moved into Containment New Head Moved into Containment
19 New Head on Stand in Containment New Head on Stand in Containment
20 Before Sponge Before Sponge Jet-Blasting and Painting Jet-Blasting and Painting After Sponge After Sponge Jet-Blasting and Painting Jet-Blasting and Painting
21 Pull Test Pull Test
22 Containment and System Health Containment and System Health Randy Fast Jim Powers Plant Manager Director - Technical Services
23 Containment Health Plan Containment Health Plan
- Inspections in progress
- No significant issues found in Containment
- Most issues are minor maintenance
- Containment Sump
- Gaining margins for safety and operational excellence
- Will put Davis-Besse on the leading edge of the industry Pressurized Water Reactors
- Containment Coatings Walkdowns complete
- Insulation Removal complete
24 New Containment Sump New Containment Sump
25 System Health Plan System Health Plan
- System Review Walkdowns complete
- 31 System Health Reviews are on-going
- 500 Condition Reports initiated related to System Health Reviews as items requiring evaluation prior to restart
- Past corrective actions reviewed
- Low threshold for issues to be identified
- 5 System Reviews completed by Responsible System Engineers
- 4 reports presented to Engineering Assessment Board
- 2 reviews approved; 3 scheduled to be presented
26 System Health Plan System Health Plan
- 31 System Health Reviews are on-going
- Approximately 70% Overall Completion
- Some important issues discovered, but nothing requiring a major project
27 Emergency Diesel Generator Emergency Diesel Generator Exhaust Stack with Missile Exhaust Stack with Missile Shield Installed Shield Installed Emergency Diesel Generator Emergency Diesel Generator Base Plate for Missile Shield Base Plate for Missile Shield
28 System Health Plan System Health Plan
- Work on-track according to the plan
- Issues
- Several days behind the plan
- Auxiliary Feedwater Strainer potential for clogging
- HELB calculation quality collective significance
- Restart activities can be accomplished within the plan
29 Performance Indicators Performance Indicators Clark Price Manager - Business Services
30 Performance Indicators Performance Indicators EXTENT OF CONDITION RE-INSPECTIONS 0
50 100 150 200 250 Number of Re-Inspections To Go Goal Actual Go al 0
Actual 240 240 228 205 195 80 21 10 1
7/21 7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/01 12/08 Goal =0 Good CONTAINMENT HEALTH ASSURANCE
31 Performance Indicators Performance Indicators 0
50 100 150 200 250 300 350 400 450 500 550 600 Number of Open Restart Actions In Out Goal CRs 270 274 276 332 372 401 434 491 504 Out 0
0 0
1 0
0 2
1 In 4
2 56 41 29 33 59 14 Go al 0
7/21 7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/1 12/8 Good Goal =0 OPEN CONTAINMENT HEALTH RESTART ACTIONS -- CRs
32 Performance Indicators Performance Indicators SYSTEM HEALTH READINESS REVIEWS 0
5 10 15 20 25 30 35 Number of Outstanding Reviews Plan Actual P lan 27 24 12 3
0 Actual 31 31 31 31 31 31 31 31 29 7/21 7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/1 12/8 Good REVIEW PHASE 25 5
2 0
5 10 15 20 25 30 35 Scope t o EAB SHRR Complete EAB Final Concurrance Goal = 0
33 Performance Indicators Performance Indicators OPEN SYSTEM HEALTH RESTART ACTIONS -- CRs 0
100 200 300 400 500 600 Number of Open Restart Actions In Out Goal CRs 42 44 58 94 209 334 444 510 521 Out 1
0 3
1 3
1 5
15 In 2
14 39 116 128 111 71 26 Go al 0
7/21 7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/1 12/8 Goal = 0
34 Performance Indicators Performance Indicators PHASE 1 PROGRAM REVIEWS 0
10 20 30 40 50 60 70 Number of PRB Approvals Remaining Goal Remain PRB App'd Goal 0
Remain PRB App'd 66 66 62 63 60 55 55 53 51 7/21 7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/1 12/8 Good PHASE 1 REVIEW APPROVALS 38 15 0
10 20 30 40 50 60 70 S ubmitt ed t o P RB PRB Approval Goal = 0
35 Performance Indicators Performance Indicators 0
20 40 60 80 100 120 140 160 Number ofOpen Restart Actions In Out Goal CRs 53 54 75 82 83 119 132 145 146 Out 5
6 8
2 5
8 7
10 In 6
27 15 3
41 21 20 11 Go al 0
7/21 7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/1 12/8 Goal = 0 Good OPEN PROGRAM COMPLIANCE RESTART ACTIONS -- CRs
36 Performance Indicators Performance Indicators TOTAL OPEN RESTART ACTIONS -- CRs 0
200 400 600 800 1000 1200 1400 1600 Number of Open Restart Actions In Out Goal CRs 609 609 643 756 932 1134 1303 1442 1474 Out 45 44 44 32 42 47 45 51 In 45 78 157 208 244 216 184 83 Go al 0
7/21 7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/1 12/8 Goal = 0 Good
37 Performance Indicators Performance Indicators CONDITION REPORTING - SELF-IDENTIFIED RATE 85%
90%
93% 93%
86%
88% 88%
88%
50%
60%
70%
80%
90%
100%
7/28 8/4 8/11 8/18 8/25 9/1 9/8 9/15 9/22 9/29 10/6 10/13 10/20 10/27 11/3 11/10 11/17 11/24 12/1 12/8 Goal = 80%
CRs INITIATED Week Ending 8/26 369 325 0
100 200 300 400 500 Total CRs Self Id'd
38 Performance Indicators Performance Indicators ROOT CAUSE QUALITY 0%
20%
40%
60%
80%
100%
CARB Approval %
0 2
4 6
8 10 Items Processed Approved Rew ork Goal Cum Actual Appr oved 0
0 5
0 1
3 2
2 2
0 0
Rewor k 3
0 0
4 3
0 2
0 2
2 0
Goal 90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
Cum Actual 13%
13%
46%
35%
33%
42%
43%
47%
47%
44%
44%
7/ 7 7/ 14 7/ 21 7/ 28 8/ 4 8/ 11 8/ 18 8/ 25 9/ 1 9/ 8 9/ 15 9/ 22 9/ 29 10/ 6 10/ 13 10/ 20 10/ 27 11/ 3 11/ 10 11/ 17 11/ 24 12/ 1 12/ 8 Good Restart Goal = positive trend Long -term Goal 90%
39 Performance Indicators Performance Indicators ENGINEERING QUALITY 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Average Weekly Score 0
20 40 60 80 100 120 Engineering Items Reviewed Items Goal Actual It ems 9
25 24 8
23 22 5
8 Goal 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Actual 2.6 1.1 2.1 1.4 1.6 1.3 0.8 1.4 Pre-EAB 8/4 8/ 11 8/18 8/ 25 9/ 1 9/8 9/ 15 9/ 22 9/ 29 10/ 6 10/ 13 10/ 20 10/ 27 11/ 3 11/10 11/ 17 11/ 24 12/ 1 12/ 8 Good
40 Restart Test Plan Restart Test Plan Mike Roder Manager - Operations
41 Restart Test Plan Restart Test Plan
- Comprehensive plan designed to ensure that our systems, structures, components, and operators are ready to support the safe operations of the station.
- Key components of the plan include:
- Reviewing the proposed post-maintenance and post-modification testing for adequacy
- Creating an integrated startup test procedure
- Verifying operator readiness for sustained safe and reliable operation.
42 Restart Test Plan Restart Test Plan
- Test Procedure Prior to Restart
- Integrates plant startup evolutions with key activities to verify system, structure, and component readiness
- Integrated Leak Rate Testing to prove Containment Vessel integrity
- Holds at low pressure and high pressure to verify high standards of Reactor Coolant System integrity
- Key management reviews at designated milestones
- Prior to Mode 4
- Prior to Mode 2
- At approximately 50% power
43 Restart Test Plan Restart Test Plan
- Operator Readiness
- Train Operators on the Startup Test Procedure utilizing our site-specific simulator facility
- Evaluate Operator performance during simulated startup evolutions
44 Operations Team Operations Team
45 Closing Remarks Closing Remarks Lew Myers FENOC Chief Operating Officer
46
Proactive Safety Culture
Conservative Operations
FENOC Commitment to Safety
Achieve Goals & Objectives
Positive Change
Reward & Recognition
Measurable Value to Shareholders
Customer Service
Exceed Customer Expectations
Initiative & Leadership
Personal Responsibility for Actions
Honesty & Ethical Behavior
Management Involvement
Knowledge
Skilled & Flexible Work Force
Feedback Valued in Decision-making
Open Communication Vision Vision Mission: People providing safe, reliable and Mission: People providing safe, reliable and cost effective nuclear generation cost effective nuclear generation
47