ML102910590
| ML102910590 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 11/05/2009 |
| From: | Geoffrey Miller Progress Energy Florida |
| To: | Office of Information Services |
| References | |
| FOIA/PA-2010-0116 | |
| Download: ML102910590 (10) | |
Text
CrytNoRvemer Unth 200
__O November 5th 2009 Garry Miller JProgress Energy
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IR Scans per PT 407T Complete Progress Energy
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--- ---EL 110' Pour 2 EL 100' Pour 1 EL 90' Progress Energy Intermediate Bldg Roof EL 149' 0" Intermediate Bldg Roof EL 149' 0" Core bore (locations are approximate)
IR Scans per PT 407T Complete
Root Cause Analysis - PH Metrics Un-refuted Failure Modes as of Nov 3rd 2009 80 70 60 50 40 30 20 10 0
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- External Events Operational Events Inadequate Containment Cutting
- Inadequate Concrete - tendon interactions Shrinkage, Creep, and Settlement
- Chemically or Environmentally Induced Aging E Inadequate Use of Concrete Materials
- Inadequate Concrete Construction
- Inadequate Concrete Design due to High Local Stress
- .* Progress Energy 7
External Support Root Cause Analysis Performance Improvement International (PII)
Bechtel Design Basis Analysis MPR Associates, Inc.
Worley Parsons -
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4so, -
s Condition Assessment Construction Technology Laboratories (CTL)
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ELS 6ijor 6.,#FE5rflJE,Aj Utility Involvement AmT SCANA Exelon T
- Southeem Company Vlo2 Progress Energy 8
Nuclear Safety Oversight Committee (NSOC)
Sub-Committee Membership Bob Bazemore (PGN)
Joe Donahue (PGN)
Chris Burton (PGN)
Greg Selby Dr. Shawn Hughes Dr. Paul Zia VP - Audit VP - Nuclear Oversight VP - Harris Nuclear Plant Technical Director - EPRI VP - Shaw Stone & Webster N. C. State University (retired)
Hub Miller Daryl Eisenhut NRC (retired)
NRC (retired) 7 rVl Progress Energy 9