05000456/FIN-2009003-02
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Finding | |
|---|---|
| Title | Isolation of Lower Cable Spreading Room Carbon Dioxide Fire Suppression |
| Description | A Non-Cited Violation of License Condition 2.E, Fire Protection Program, was self-revealed when the automatic carbon dioxide (CO2) fire suppression system was isolated from the Unit 1 and Unit 2 Lower Cable Spreading Rooms (LCSRs) from July 23, 2007, through August 11, 2008. Specifically, the licensee identified that a modification to the Upper Cable Spreading Room (UCSR) CO2 system, on July 23, 2007, had inadvertently isolated the CO2 system to the LCSRs. The licensee entered the deficiency with the automatic carbon dioxide fire suppression system into their corrective action program and installed a modification to return the LCSR CO2 system to service. The finding was determined to be more than minor because the design control attribute of the mitigating systems cornerstone was impacted. The inspectors determined this finding to be of very low safety significance based on the Phase 2 SDP evaluation in accordance with IMC 0609, Appendix F, Fire Protection SDP. This finding is related to the cross-cutting area of Human Performance associated with the attribute of resources (H.2(c)). |
| Site: | Braidwood  |
|---|---|
| Report | IR 05000456/2009003 Section 1R05 |
| Date counted | Jun 30, 2009 (2009Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71111.05 |
| Inspectors (proximate) | A Garmoe B Dickson M Holmberg M Mitchell M Perry M Thorpe Kavanaugh R Jones R Ng R Skokowski T Hartman |
| CCA | H.7, Documentation |
| INPO aspect | WP.3 |
| ' | |
Finding - Braidwood - IR 05000456/2009003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Braidwood) @ 2009Q2
Self-Identified List (Braidwood)
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