ML102910590

2009 Nov 5 - NRC Telecon Briefing.Pdf

ML102910590
Person / Time
Site:	Crystal River
Issue date:	11/05/2009
From:	Geoffrey Miller Progress Energy Florida
To:	Office of Information Services
References
FOIA/PA-2010-0116
Download: ML102910590 (10)

Text

CrytNoRvemer Unth 200__O November 5th 2009 Garry Miller JProgress Energy Construction Opening (between Buttresses 3 and 4)2 A P,~S~d jo-Vir L~AE O F97Tg 40 TER -i6,~&o-"KOi *T- LuPJ~aR. AVfOo- TiEk 4 R7,,-Pr 70 6c-5j 4 LIE /COC4~E -* 5- 6cIS L -1eO --Mi#Y t'M 7~- [. /,Sr CE =,,4A'IJ4 o .-h P W r-I C t4'1-f ~ ~ ~ ~ ~ ~ w ( ReP-Au /4tW- AUJ +Tu~ ( -/tov 4L-L$e Plan View! I I I I I 0-0-0-I_ -- _ .-- -- -- --. ..--. ....T ---II I---T --I I --I I I t t l I II-+/-I I I -I-L -J, I ~VK 1 v.PAICTM¶IOBA IMF---I --~ -~ DTA-1*-II IAP Do _n= t t PWM A-161-114; PT'DW -- 4-4--4 Cr OwrI Buttress #(typical)Source Drawing: 101-112 SHOOO i t N I I I L J-l I --4-4-A- -4 I- T 4-4-A--TI-4-4-A--A--I 4 ---i-i--1-2 6 I----I----r- -41 51-1 --- L WWWRAW RO"C VI*4* ""AMn I- 1-7-I I I-~I I I I I I I _ ____I I I I I I Jj Construction Opening-* ROW=~ DCTLS SPWCM C0IM F RD.PROtE M#XWkO COWIMMATMo 3 IW- ---r---I-,.. 3-. 2 -

Tendon Pattern Tendon Pattern at time of cutting SGR Opening-Energized Tendon-- Removed Tendon Buttress (typical)4 Buttress #2 Buttress #3 Buttress #4 I I1 Drawing is 5 NOT-TO-SCALE e Core bore (locations are approximate)

IR Scans per PT 407T Complete Progress Energy Buttress #5 Buttress #6 Buttress #1-I -S --U -I -t --A B C A B C A B C D E F G H J L M No 0 0 0 P Q R Fuel Transfer Bldg Roof EL 200' 4" D E F G H J K L M N O P Q R S T U V W X Y Z AA AB AC AD D E F G H I J K L M N 0 P Q R S T U V W X Y Z AA AB AC AD ttress #2-- EL 250'Pour 16---EL 240'Pour 15-- EL 230'Pour 14-EL 220'Pour 13-- EL 210'Pour 12-- EL 200'Pour 11-- EL 190'Pour 10-- EL 180'Pour 9-- EL 170'Pour 8---- EL 160'Pour 7-- EL 150'Pour 6--EL 140'Pour 5 P-or- EL 130'Pour 4-----EL 120'Pour 3--- --- ---EL 110'Pour 2 EL 100'Pour 1 EL 90'Progress Energy Intermediate Bldg Roof EL 149' 0" Intermediate Bldg Roof EL 149' 0"* Core bore (locations are approximate)

IR Scans per PT 407T Complete Root Cause Analysis -PH Metrics Un-refuted Failure Modes as of Nov 3rd 2009 80 70 60 50 40 30 20 10 0~ '! V 'b' V ~5 'o' ~V 'b ~* External Events Operational Events Inadequate Containment Cutting* Inadequate Concrete -tendon interactions Shrinkage, Creep, and Settlement

• Chemically or Environmentally Induced Aging E Inadequate Use of Concrete Materials* Inadequate Concrete Construction

• Inadequate Concrete Design due to High Local StressProgress Energy 7 External Support Root Cause Analysis Performance Improvement International (PII)Bechtel Design Basis Analysis MPR Associates, Inc.Worley Parsons -5os -- 4so, -s Condition Assessment Construction Technology Laboratories (CTL) (MeULS- Ef -MacTec P g T 7o ,~~g ~Z~ ELS 6ijor 6.,#FE5rflJE ,Aj Utility Involvement AmT SCANA Exelon TSoutheem Company Vlo2 Progress Energy 8 Nuclear Safety Oversight Committee (NSOC)Sub-Committee Membership Bob Bazemore (PGN)Joe Donahue (PGN)Chris Burton (PGN)Greg Selby Dr. Shawn Hughes Dr. Paul Zia VP -Audit VP -Nuclear Oversight VP -Harris Nuclear Plant Technical Director -EPRI VP -Shaw Stone & Webster N. C. State University (retired)Hub Miller Daryl Eisenhut NRC (retired)NRC (retired)7 rVl Progress Energy 9