ML102920130
| ML102920130 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 12/08/2009 |
| From: | Orf T Plant Licensing Branch II |
| To: | Lake L NRC/RGN-II/DRS/EB3 |
| References | |
| FOIA/PA-2010-0116 | |
| Download: ML102920130 (2) | |
Text
Sengupta, Abhijit From:
Sent:
To:
Subject:
Attachments:
Orf, Tracy Tuesday, December 08, 2009 6:29 AM Lake, Louis FW: Updated CR3 Root Cause Chart Root Cause Update for NRC.pptx From: McCabe, Brian [mailto: Brian. McCabe@pgnmail.com]
Sent: Monday, December 07, 2009 7:27 AM To: Sykes, Marvin; Wert, Leonard; Kennedy, Kriss; Orf, Tracy;
Subject:
Updated CR3 Root Cause Chart Saba, Farideh
Root Cause Analysis - PII Metrics as of Dec 3rd 2009 Open Failure Modes 80 70 60 50-40-30-20 10 0
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) Inadequate Containment itting
) Inadequate Concrete - Tendon teractions
) Chemically or Environmentally duced Aging
) External Events l
- (4) Shrinkage, Creep and Settlement
- l () Inadequate Use of Concrete Materials I
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[](1) Inadequate Concrete Design due to High Local Stress V Progress Energy 1