ML102910613
| ML102910613 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 12/22/2009 |
| From: | Orf T Plant Licensing Branch II |
| To: | Lake L NRC/RGN-II/DRS/EB3 |
| References | |
| FOIA/PA-2010-0116 | |
| Download: ML102910613 (2) | |
Text
Sengupta, Abhijit From:
Sent:
To:
Subject:
Attachments:
Oil, Tracy Tuesday, December 22, 2009 6:31 AM Lake, Louis FW: CR3 Updated Root Cause Information 2009 Dec 18 - Root Cause Update for NRC.pptx P -ký
.From: McCabe, Brian [1]
Sent: Monday, December 21, 2009 7:34 AM To: Wert, Leonard; Sykes, Marvin; Kennedy, Kriss; Franke, Mark; Saba, Farideh; Orf, Tracy
Subject:
CR3 Updated Root Cause Information See attached.
Happy Holidays and I hope you have a great 2010.
Brian K?!
Root Cause Analysis - PII Metrics as of Dec 18th 2009 Open Failure Modes 80 70 60 50 40 30 20 10 11 111 ll n (9) External Events (8) Operational Events
- (7) Inadequate Containment Cutting
- (6) Inadequate Concrete - Tendon interactions
- (5) Chemically or Environmentally Induced Aging
- (4) Shrinkage, Creep and Settlement
- (3) Inadequate Use of Concrete Materials
- (2) Inadequate Concrete Construction
- (1) Inadequate Concrete Design due to High Local Stress
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