05000482/FIN-2008010-02
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Finding | |
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| Title | Failure to Ensure a Fire Pump Would Automatically Start for One Fire Area |
| Description | The team identified a Green non-cited violation of License Condition 2.C.(5), Fire Protection, for the failure to ensure that a fire pump would automatically start upon low pressure in the fire main in the event of a fire in the communications corridor. The team determined that cables for both fire pumps were routed in cable trays in the communications corridor. As a result, a single fire could result in the failure of both fire pumps to start automatically or manually from the control room. A fire pump could be started locally to restore the water supply, but the delay would reduce the effectiveness of the fire suppression systems in limiting the growth of a fire and minimizing damage to safety-related equipment. The licensee entered this issue into the corrective action program as Condition Report 2008-005190. Failure to ensure that a fire pump would automatically start upon low pressure in the fire main in the event of a fire in the communications corridor is a performance deficiency. This finding is more than minor because it is associated with the Protection Against External Factors attribute of the Mitigating Systems Cornerstone and could affect the availability, reliability, and capability of systems that respond to fire events to prevent undesirable consequences. The team judged the delay in starting a fire pump to be approximately five minutes. Using guidance in Manual Chapter 0609, Appendix F, Table 2.7.1, and Manual Chapter 0609, Appendix F, Attachment 2, the team determined this issue to be categorized as a fixed fire protection finding with a low degradation. This finding is of very low safety significance because the finding was assigned a low degradation rating. This finding was not assigned a cross-cutting aspect because it has existed since original construction and does not represent current performance. (Section 1R05.04 |
| Site: | Wolf Creek  |
|---|---|
| Report | IR 05000482/2008010 Section 1R05 |
| Date counted | Dec 31, 2008 (2008Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.05 |
| Inspectors (proximate) | A Dahbur J Adams J Mateychick N Okonkwo |
| INPO aspect | |
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Finding - Wolf Creek - IR 05000482/2008010 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Wolf Creek) @ 2008Q4
Self-Identified List (Wolf Creek)
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