ML061070608
| ML061070608 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 02/06/2006 |
| From: | Dunn C, Leffler T - No Known Affiliation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| 428868, FOIA/PA-2006-0115, FOIA/PA-2010-0209 LS-AA-125-1001, Rev 5 | |
| Download: ML061070608 (3) | |
Text
- 3 LS-AA-1 25-1 001 Revision 5 Root Cause Investigation Charter (rev 1)
Tritium Release from Braidwood Station with a Potential to Affect the PUblic Condition Report #:
428868 Sponsoring Manager:
Janice Kuczynski, Chemistry Manager Team Investigator(s):
Names Position Commitment Jason Eggart Tom Leffler Randy Kalb Kim Aleshire Glen Vickers Scott Kirkland Jim Crawford Jo'in Gumnick Mike Miller Jeff Burkett Dan Stroh Scott Sklenar Braidwood Chemistry Lead Investigator Root Cause Qualified Investigator Dresden Chemistry Investigator Braidwood EP (ODCM) Investigator LaSalle RP Investigator Quad Cities Investigator Braidwood Maintenance Investigator Corporate RP (CHP) Investigator Braidwood Operations Braidwood Operations Braidwood Engineering Hydrologist Full Time Full Time Part Time Full Time Full Time Part Time Full Time Part-Time Part Time Part Time Full-Time Part-Time Scope:
The scope of the root cause investigation is twofold:
The first focus of this root cause team is to determine the root cause(s) of the Tritium releases from Braidwood Station with a potential to affect the public. This causal determination should include the large volume leaks which occurred in 1998 and in 2000 as well as the smaller volume leaks which both followed and preceded the 1998 and 2000 leaks. The responsibility for identifying and
operationalizing corrective actions to prevent future unacceptable tritium releases to the environment is being addressed by the Braidwood Tritium Remediation Team under AR 435383435383 This root cause team remains responsible for identifying corrective actions to address organizational weaknesses contributing to or causing the releases described above.
The second focus of this root cause team is to evaluate the effectiveness of Braidwood's response to the circulating water Blowdown leaks which deposited tritiated water on the ground during 1998 and 2000 as well as during the smaller volume leaks which both followed and preceded the 1998 and 2000 leaks. If this evaluation determines that Braidwood's response actions were not effective, this roo4 i cause team will determine the root cause and appropriate corrective actions LG-I 17
_ vfor those ineffective response actions. The investigation will review response procedures, regulations, environmental impacts, and managerial effectiveness.
M-7 As part of this second focus item, the team will review the response to known spills in 1998, 2000 and similar IRs. A review of year 2000 Root Cause corrective action effectiveness will be performed. Specifically, the team will look
,9 for any evidence that the actions to prevent recurrence were not effective. An E&CF Chart will be utilized for Change Analysis and Barrier Analysis. Tap Root Analyses will also be utilized. To accomplish a timely report delivery, support will be required as noted above in Engineering, Hydrology, Maintenance, Operations, Off-Site Dose Assessment, and Technical Writing.
The responsibility for remediating the existing condition of detectable tritium in groundwater on and in the vicinity of Braidwood Station is not the responsibility of this root cause team. Remediation of the existing condition of detectable tritium in groundwater on and in the vicinity of Braidwood Station is being addressed by the Braidwood Tritium Remediation Team under AR 435383435383
Interim Corrective Actions:
As described above, an Issues Management Team (the Braidwood Tritium Remediation Team) has been formed to manage the recovery.
Additional Sampling is being performed and analyzed to fully define the affected areas.
The discharge piping is being reviewed for integrity.
Flemediation plans will be developed and implementation initiated.
The Braidwood Tritium Remediation Team will maintain communications with Exelon, Regulatory personnel, the public, and INPO.
[Root Cause Report Milestones:
- 1.
Event Date (11/30/05)
- 2.
Screening Date (12/07/05)
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- 3.
3a.
4.
ri.
6.
7'.
8.
9.
10.
11.
12.
1:3.
14.
1 3.
Completion of Charter (2 Days from MRC) [-03]
Completion of Charter revision Status Briefing for Charter [-14]
Two Week Update & Draft RCR for Reviews [-07]
MRC Update & Draft RCR for Reviews [-08]
CAPCo Reviews of RCR [-15]
Collegial Reviews of RCR [-15]
MRC Update & Draft RCR for Reviews [-09]
Sponsoring Manager Report Approval [-14]
Root Cause delivered to PORC Review by PORC [-05]
Revised Root Cause Report delivered to PORC Revised Root Cause Report Reviewed by PORC Final Root Cause Investigation Due Date [-04]
(12/09/05)
(02/08/06)
(12/14/05)
(12/21/05)
(12/28/05)
(12/29/05)
(12/29/05)
(01/04/06)
(01/04/06)
(01/24/06)
(01/26/06)
(02/14/06)
(02/17/06)
(02/20/06)
Prepared By:
Approved By:
Tom Leffler, Root Cause Qualified Investigator (Name)
Carl B. Dunn, Training Director 02/06/06 (Date) 02/08/06 For (Sponsoring Manager)
(Date)