ML102920073
| ML102920073 | |
| 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: ML102920073 (20) | |
Text
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I Dir - Nuclear Upgrades Ernie Kapopolous I
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Ongoing SGR Execution Analysis Magdy Bishara Mgr-Engineering Steve Cahill Mgr - Nuclear Oversight CR3 Jack Huegel I
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Tehia Apprac Detil o Root Cause Analysis-Team (draft RCA ~ mid-Nov) o Performance Improvement International (PII) (Dr Chong Chiu) o Includes specialized RCA analysis to facilitate support/refute o Historical data gathering supported by PGN personnel o Ongoing Field data from Condition Assessment Team o0 Expedite identification of most likely causes (target - 1 week) o Condition Assessment Team (~ 2 weeks) o Construction Technology Laboratories (CTL) for Non-Destructive Testing 0 Impact Echo and Impulse Response techniques o Backed up by core bore samples & boroscopic inspection o CTL & MacTec for Petrographic Analysis o Containment external visual inspection (IWL process) o Activities governed by Test Procedure(s) t Progress Energy 13
Tehia Apprac Dtils (cnt
- Design Basis Analysis Team (~ 3 to 4 weeks)
Contractor Support for DBA Modeling - RFP Responses Received Oct 20, Decision on Oct 21 Support Past-Operability Analysis Analysis Supporting Acceptability of Proposed Repair Options Repair Team (repair duration TBD) Example - Maxi-Bolt Undercut Anchor System
" Investigating Repair Alternatives for Delaminated Areas Evaluating Bar Anchorage Options and Grout/Epoxy Options Evaluating Constructability & Duration
" May Affect Construction Opening Restoration
" May Require Design Change(s) to existing EC
" RCA and DBA Completion Tentatively Restrains Restoration Timing g
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EL 226-3 3/4" EL 232'-10 1/2" EL 229'-8 1/4" EL 226'-0" EL 223'-3 3/4" EL 220'-4 1/2" EL 216-11 1/4" EL 213'-9" EL 21 W-6 3/4" EL 207-4 1/2" EL 204'-2 3/4" EL 284-0" EL 19r-9 3/4" EL 194'-7 1/2-EL 197'-5 1/4" EL 18'-2 3/4" EL 184C-11 3/4"
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