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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Oraizto -. Reotn ViewO Chief Nuclear Officer Jim Scarola I
I I I I Dir - Nuclear VP - Nuclear VP - CR3 Upgrades Oversight Ernie Kapopolous Jon Franke Joe Donahue K 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) 13 t Progress Energy
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 14 g Progress Energy
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EL 226'-0"
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EL 213'-9" EL 21W-6 3/4" -----------------
1+/-1 ----------------- zzLz ------- ---------
EL 207-4 1/2" EL 204'-2 3/4" -----------------
Tendons EL 284-0" EL 19r-9 3/4" EL 194'-7 1/2-
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EL 18'-2 3/4" zzK EL 184C-11 3/4"
- EL 1816-8 3/4"
--F--- -------------
EL 178'-5 3/4" EL 175'-2 3/4" IIK i-ti -----------------
EL 171*-11 3/4" -----------------
EL 16W-8 3/4" -----------------
EL 165'-5 3/4" EL 162'-2 3/4" EL 158"-11 3/4" ii~i -- - - - - - - -
EL 1554-8 3/4" - - - PJ-- PP 0- -, 0 O'"'-
EL 152'-5 3/4" EL 149"-2 3/4"
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EL 145--11 3/4" - - - - - - - - - -
EL 142'-8 3/4" EL 139"-5 3/4" EL 13*'-2 3/4" EL 132-11 3/4"
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EL 1291-8 3/4" EL 126'-5 3/4" 11111 Source Drawing: EL 123'-2 3/4" 0425-006 SHOO1
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--1--" --1--" ----- - - - - - -
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- - --- "I" - -- ---- ----- ------ R38N -53H30 EL 187'- 1 3/4" EL 183"-I0 3/4"
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Source Drawing:
EL 125'-4 3/4" EL 122 -1 3/4"
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Source Drawing:
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