ML073030354

E-Mail from Duncan to Boland Et Al., Re Summary of Davis-Besse NEIL Issue

ML073030354
Person / Time
Site:	Davis Besse
Issue date:	03/18/2007
From:	Eric Duncan Plant Support Branch II
To:	Bateman W, Bilik T, Boger B, Boland A, Chan T, Jay Collins, Cullen W, Cwalina G, Jennifer Davis, Dyer J, Marilyn Evans, Russell Gibbs, Grobe J, Victor Hall, James Heck, James Heller, Hiland P, Dave Hills, Mel Holmberg, Diane Jackson, Jandovitz J, Langan S, Matthew Mitchell, Pederson C, Petrosino J, John Rutkowski, Satorius M, Shear G, Rich Smith, John Tsao, Weber M, Weil C, Thomas Wengert, Khadijah West, Wiggins J Office of Nuclear Reactor Regulation
References
FOIA/PA-2007-0240
Download: ML073030354 (9)

Text

V.rieQ*uc-,an - Summary of Davis-Besse NEIL Issue Page 1 al, From:

Eric Duncan To:

Anne Boland; Bill Bateman; Bruce Boger; Charles Weil; Cynthia Pederson; David Hills; Deborah Jackson; Gary Shear; Gregory Cwalina; James Davis; James Heller; James Wiggins, Jared Heck; Jay Collins; Jim Dyer; John Grobe; John Jandovitz; John Rutkowski; John Tsao; Joseph Petrosino; Mark Satodus; Matthew Mitchell; Melvin Holmberg; Michael Weber; Michele Evans; Patrick Hiland; Richard Smith; Russell Gibbs; Scott Langan; Steven West; Terence Chan; Thomas Wengert; Tom Bilik ; Victor Hall; William Cullen Date:

03/1812007 3:12:36 PM

Subject:

Summary of Davis-Besse NEIL Issue To all, Please find attached a summary of the issue at Davis-Besse concerning the identification of a potential safety concern by NEIL [Nuclear Electric Insurance Limited].

Hopefully, this will help to get us all aligned regarding some of the details on this issue.

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all, LUII UUM.I Davis-Besse Branch Chief Information in th*s re-7f Was deleted in accordance with the Freedom Of Informaton Act.

Exemptions FOWIRAI

Offýiclý 'Ji is On Cison ation NEIL Issue Briefing Sheet Summary of NEIL Potential Safety Concern at Davis-Besse Nuclear Electric Insurance Limited (NEIL) identified a potential safety concern to Davis-Besse arising from a pending claim. The concern is that because a report prepared by the Exponent Failure Analysis Association and Altran Solutions Corporation (Exponent) indicates that susceptible materials can have crack growth rates that are significantly higher than previously assumed, that the NRC's requirements and licensee programs may be inadequate.

Sequence of Events December 15, 2006:

February 23, 2007:

February 23, 2007:

March 9, 2007:

FENOC submits to NEIL a report prepared by Exponent associated with the review and analysis of the Davis-Besse head wastage event.

NEIL issues letter to FENOC identifying potential safety concern.

Davis-Besse generates CR 07-15077 to enter issue into corrective action program. Resident inspectors subsequently forward CR to Region Ill.

Region III convenes conference call to discuss information in NEIL letter; determines that based on the information presented that no new safety issue exists; concludes that an Emergency ARB is not warranted.

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c:\\temp\\GW}00001.TMP Page 1 Mail Envelope Properties (45FD9D25.F05 : 4 :3672)

Subject:

Summary of Davis-Besse NEIL Issue Creation Date 03/18/2007 3:12:21 PM From:

Eric Duncan Created By:

ERD@nrc.gov Recipients nrc.gov chpo.CHDO PM ATB (Anne Boland)

AM CDPI (Cynthia Pederson)

PM PM PM CHWI (Charles Weil)

AM PM PM AM DEH (David Hills)

AM PM ERD BC (Eric Duncan)

PM PM AM GLS (Gary Shear)

AM JER7 (John Rutkowski)

AM JKJH (James Heller)

AM Action Delivered Opened Opened Deleted Undeleted Opened Forwarded Deleted Emptied Opened Forwarded Opened Replied Replied Opened Opened Opened Date & Time 03/18/2007 3:12:37 03/19/2007 6:52:32 03/19/2007 4:39:07 03/19/2007 4:39:32 03/23/2007 3:11:20 03/19/2007 7:59:18 03/20/2007 1:50:38 03/20/2007 1:51:14 03/25/2007 1:05:25 03/19/2007 7:03:51 03/19/2007 4:43:39 03/18/2007 3:15:05 03/19/2007 5:28:10 03/20/2007 10:55:32 03/19/2007 6:49:44 03/19/2007 7:43:48 03/19/2007 7:08:01

.:\\t.mp\\GW)V0001.TMP Pag..2 Page 2 JSJI (John Jandovitz)

AM KSW (Steven West)

AM MAS (Mark Satorius)

AM MSH (Melvin Holmberg)

AM AM RLS4 (Richard Smith)

PM SJLI (Scott Langan)

AM AM TXB (Tom Bilik)

PM nrc.gov OWGWPO0 I.HQGWDO01 PM BAB2 (Bruce Boger)

PM AM AM WHB (Bill Bateman)

AM AM nrc.gov OWGWPO02.HQGWDO01 PM JAG (John Grobe)

PM PM AM MGE (Michele Evans)

PM RAGI (Russell Gibbs)

Opened Opened Opened Opened Replied Opened Opened Forwarded Opened 03/19/2007 10:31:23 03/19/2007 7:02:47 03/19/2007 7:35:59 03/19/2007 7:28:38 03/19/2007 7:34:58 03/18/2007 4:15:02 03/19/2007 7:59:37 03/19/2007 8:08:59 03/19/2007 3:45:55 Delivered Replied Opened Deleted Opened Deleted 03/18/2007 3:12:40 03/18/2007 3:12:39 03/20/2007 6:13:11 03/20/2007 6:13:16 03/19/2007 7:36:47 03/19/2007 7:40:40 Delivered Opened Deleted Emptied Opened Opened 03/18/2007 3:12:40 03/18/2007 3:32:45 03/20/2007 1:17:44 03/22/2007 9:12:15 03/18/2007 7:45:43 03/19/2007 7:51:00

'\\tWmp\\GW}00001.TMP Page 3 AM AM nrc.gov OWGWPOO3.HQGWDOOI PM GCC (Gregory Cwalina)

PM AM JAD (James Davis)

AM JED2 (Jim Dyer)

AM AM JXC (Jay Collins)

AM TLC (Terence Chan)

PM WHC (William Cullen)

AM nrc.gov OWGWPOO4.HQGWDO01 PM DAJI (Deborah Jackson)

PM PM PM PM JKH3 (Jared Heck)

AM PLH (Patrick Hiland)

AM AM AM VXH (Victor Hall)

AM Replied Delivered Replied Opened Opened Opened Deleted Opened Opened Opened 03/19/2007 7:54:55 03/18/2007 3:12:43 03/18/2007 3:12:40 03/19/2007 7:33:50 03/19/2007 7:15:06 03/19/2007 5:49:11 03/19/2007 5:50:00 03/19/2007 5:41:03 03/18/2007 5:40:52 03/19/2007 8:39:03 Delivered Opened Forwarded Deleted Emptied Opened Opened Forwarded Deleted Opened 03/18/2007 3:12:42 03/19/2007 12:48:57 03/19/2007 12:50:00 03/21/2007 12:49:02 03/21/2007 12:52:12 03/19/2007 11:10:31 03/19/2007 6:27:36 03/19/2007 7:45:41 03/19/2007 8:08:50 03/19/2007 8:18:16

c:\\temp\\GW}00001.TMP Page 4 nrc.gov TWGWPOOI.HQGWDOOI PM MAM4 (Matthew Mitchell)

AM Delivered Opened Deleted 03/18/2007 3:12:41 03/19/2007 6:30:52 03/19/2007 6:31:03 AM nrc.gov TWGWPO02.HQGWDOOI PM JCT (John Tsao)

AM AM nrc.gov TWGWPO03.HQGWDO01 PM JJP 1 (Joseph Petrosino)

AM AM nrc.gov TWGWPO04.HQGWDOOI PM JTWI (James Wiggins)

PM AM MFW (Michael Weber)

PM AM TJW2 (Thomas Wengert)

AM Post Office ch_po.CHDO OWGWPOO0.HQGWDOO1 OWGWPOO2.HQGWDOOI OWGWPO03.HQGWDO0 I OWG WPOO4.HQGWDOOI Delivered Opened Forwarded Delivered Opened Deleted 03/18/2007 3:12:40 03/19/2007 6:04:12 03/19/2007 6:39:36 03/18/2007 3:12:40 03/19/2007 7:01:18 03/19/2007 9:46:39 Delivered Opened Deleted Opened Deleted Opened 03/18/2007 3:12:40 03/18/2007 4:30:35 03/19/2007 5:38:15 03/18/2007 11:03:27 03/19/2007 5:42:26 03/19/2007 6:31:37 Delivered Route 03/18/2007 3:12:37 PM 03/18/2007 3:12:40 PM

-03/18/2007 3:12:40 PM 03/18/2007 3:12:43 PM 03/18/2007 3:12:42 PM nrc.gov nrc.gov nrc.gov nrc.gov nrc.gov

o:\\te-mp\\GW}O0001.TMP Page 5 nrc.gov nrc.gov nrc.gov nrc.gov TWGWPGOI.HQGWDOOI TWGWPO02.HQGWDO01 TWGWPO03.HQGWDOOI TWGWPO04.HQGWDOO1 03/18/2007 3:12:41 PM 03/18/2007 3:12:40 PM 03/18/2007 3:12:40 PM 03/18/2007 3:12:40 PM Files Size MESSAGE 1067 DavisBesseNEILPotential SafetyConcem.wvpd PM Date & Time 03/18/2007 3:12:21 PM 28815 03/18/2007 3:09:44 Options Auto Delete:

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