05000346/FIN-2017008-01
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Finding | |
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| Title | Failure to Maintain Adequate Room Temperature in the Emergency Feedwater Facility |
| Description | Green . A finding of very low safety significance was identified by the inspectors for failing to maintain adequate room temperature in the emergency feedwater facility (EFWF) to support equipment operation. Specifically, the inspectors identified temperatures below freezing in multiple loca tions on emergency feedwater (E FW) system piping and in the E FWF basement. In response, the licensee installed heaters to raise room temperature. This finding is not a violation of NRC requirements. The inspectors determined that failing to maintain adequate room temperature in the EFWF to support equipment was cont rary to Nuclear Energy Institute ( NEI ) 12 06, Diverse and Flexible Coping Strategies (FLEX) Implementation Guide, Rev. 2 and was a performance deficiency. The finding is of more than minor significance because it was associated with the cornerstone attribute of protection against external factors and adversely affected the mitigating systems cornerstone objective . A detailed risk evaluation (DTE) determined the findin g was ( Green) . This finding was assigned a cross- cutting of Challenge the Unknown . (H.11) |
| Site: | Davis Besse  |
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| Report | IR 05000346/2017008 Section 4OA5 |
| Date counted | Jun 30, 2017 (2017Q2) |
| Type: | Finding: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 2515/191 |
| Inspectors (proximate) | A Stone B Jose R Walton S Sheldon T Briley |
| CCA | H.11, Challenge the Unknown |
| INPO aspect | QA.2 |
| ' | |
Finding - Davis Besse - IR 05000346/2017008 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Davis Besse) @ 2017Q2
Self-Identified List (Davis Besse)
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