05000461/FIN-2014007-03
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Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | On September 20, 2013, the licensee identified an inability to achieve safe shutdown in the event of a fire because previous circuit failure analysis and post-fire recovery guidance for the EDG room ventilation system were found to be technically incorrect. The analysis also determined that the affected EDG units may eventually fail due to high room temperatures. The inability to achieve safe shutdown was contrary to License Condition 2.F and the Fire Protection Program As described in the Final Safety Analysis Report as amended. The licensee performed an assessment to assess the safety significance of the issue, which showed that the issue was of very low safety significance (i.e., Green). A Senior Reactor Analyst reviewed the licensees assessment and concurred with the determination that the issue was of very low safety significance. This issue was entered into the licensees Corrective Action Program as AR 1561495, Potential App. R Non-Compliance Found during the FP FASA, dated September 20, 2013. As part of the licensees corrective actions, USAR Appendix F was planned to be revised to reflect the circuit analysis and procedure 1893.04, Fire Fighting, Revision 16b, was revised to provide direction to remove fuses, to allow EDG ventilation fans to be started. |
| Site: | Clinton  |
|---|---|
| Report | IR 05000461/2014007 Section 4OA7 |
| Date counted | Mar 31, 2014 (2014Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | D Oliver R Daley R Langstaff R Winter |
| Violation of: | License Condition - Fire Protection License Condition |
| INPO aspect | |
| ' | |
Finding - Clinton - IR 05000461/2014007 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Clinton) @ 2014Q1
Self-Identified List (Clinton)
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