ML102920516
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| ML102920516 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 09/20/2010 |
| From: | Progress Energy Co |
| To: | Office of Information Services |
| References | |
| FOIA/PA-2010-0116 | |
| Download: ML102920516 (2) | |
Text
4~2
Root Cause Analysis - PII Metrics as of Dec 3 rd 2009 Open Failure Modes 80
~u i) External Events 60~
(;) Operational Events QT) Inadequate Containment Cutting 40 30 20 10 0
- (E in Ir (Z
.) Inadequate teractions Concrete - Tendon
)Chemically or Environmentally duced Aging
) Shrinkage, Creep and
- ttlement
) Inadequate laterials Use of Concrete wI~(,
C
'.) Inadequate Concrete onstruction U
V NýPN
- bVNV, VV e
[](1) Inadequate Concrete Design due to High Local Stress Pro ress Energy 1