05000395/FIN-2016010-02
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Finding | |
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| Title | Failure to identify unsealed cabinet Specified by NFPA 805 Section 3.3.1.2(1) |
| Description | The NRC identified a Green, non-cited violation (NCV) for the failure to include potentially high-risk fire scenarios in the current fire protection program. In this instance, the team identified unsealed electrical cabinets credited as being sealed. The licensees failure to identified and assess the applicable electrical cabinet as a firescenario in its FSA database was a performance deficiency (PD). This PD was determined to be more than minor because of the adverse impact to the Mitigating Systems cornerstone objective. Specifically, the PD resulted in an incomplete fire risk model. The licensee performed an analysis of the performance deficiency using their fire probabilistic model and the results were that the PD represented a risk increase of <1.0E-6/year in core damage frequency and <1.0E-7/year in large early release fraction. The licensees results were reviewed by a regional senior reactor analyst (SRA). Additionally, a bounding analysis was performed by the regional SRA in accordance with NRC IMC 0609 Appendix F which concluded that the core damage frequency risk increase due to the PD was <1.0 E-6/year, a GREEN finding of very low safety significance. The team assessed the issue consistent with IMC 0310, Aspects Within Cross Cutting Areas, dated December 4, 2014, and determined the finding to have a cross-cutting aspect of Field Presence (H.2) in the Human Performance area because the licensee did not ensure that senior managers and supervisory staff maintained the proper amount of oversight of contractors and supplemental personnel in the performance work activities relevant to fire protection program implementation. The licensee has fire watches in place as a compensatory measure and has entered this issue into their corrective action program as CR-16-05287. |
| Site: | Summer  |
|---|---|
| Report | IR 05000395/2016010 Section 1R05 |
| Date counted | Dec 31, 2016 (2016Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.05 |
| Inspectors (proximate) | D Strickland D Terry-Ward H Barrett J Dymek M Singletary P Braaten R Fanner S Shaeffer W Satterfield |
| Violation of: | License Condition - Fire Protection |
| CCA | H.2, Field Presence |
| INPO aspect | LA.2 |
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Finding - Summer - IR 05000395/2016010 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Summer) @ 2016Q4
Self-Identified List (Summer)
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