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

__O CrytNoRvemer 200 Unth November 5th 2009 Garry Miller JProgress Energy

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5 Drawing is NOT-TO-SCALE Core bore (locations are approximate) IR Scans per PT 407T Complete Progress Energy

Buttress #5 Buttress #6 Buttress #1 ttress #2

- I - S - -U - I - t - - EL 250' A B C A B C A B C Pour 16 EL 240' D E F D E F D E F Pour 15 EL 230' G H G H G H I Pour 14 220' J L J K L J K L Pour 13 EL 210' M No 0 M N O M N 0 Pour 12 0 0 EL 200' P P Q R P Pour 11 Fuel Transfer Q R EL 190' Bldg Roof Q S T U S T U Pour 10 EL 200' 4" EL 180' R V W X V W X Pour 9 EL 170' Y Z AA Y Z AA Pour 8 EL 160' AB AC AD AB AC AD Pour 7 EL 150' Intermediate Intermediate Pour 6 Bldg Roof Bldg Roof EL 140' EL 149' 0" Pour 5 EL 149' 0" P-or- EL 130' Pour 4 EL 120' Pour 3

--- ---EL 110' Pour 2 EL 100' Pour 1 EL 90'

• Core bore (locations are approximate) IR Scans per PT 407T Complete Progress Energy

Root Cause Analysis - PH Metrics Un-refuted FailureModes as of Nov 3rd 2009 80

• External Events 70 Operational Events 60 Inadequate Containment Cutting 50

• Inadequate Concrete - tendon interactions 40 Shrinkage, Creep, and Settlement 30

• Chemically or Environmentally Induced Aging 20 E Inadequate Use of Concrete Materials 10

• Inadequate Concrete Construction

• Inadequate Concrete Design due to 0 High Local Stress

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• .* Progress 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 -

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ELS 6ijor 6.,#FE5rflJE ,Aj AmT Utility Involvement SCANA Exelon T

• Southeem Company 8

Vlo2 Progress Energy

Nuclear Safety Oversight Committee (NSOC)

Sub-Committee Membership Bob Bazemore (PGN) VP - Audit Joe Donahue (PGN) VP - Nuclear Oversight Chris Burton (PGN) VP - Harris Nuclear Plant Greg Selby Technical Director - EPRI Dr. Shawn Hughes VP - Shaw Stone & Webster Dr. Paul Zia N. C. State University (retired)

Hub Miller NRC (retired)

Daryl Eisenhut NRC (retired) 7 rVl Progress Energy 9