05000315/FIN-2015008-05
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Finding | |
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| Title | |
| Description | The team identified a finding of very low safety significance (Green), and an associated NCV of 10 CFR 50.55a, Codes and Standards, for the failure to meet the Inservice Inspection (ISI) requirements for all CCW components within the American Society of Mechanical Engineers (ASME) Code Class 3 boundary. Specifically, the licensee did not apply the applicable ISI requirements to all portions of the CCW system within the system ASME Code Class 3 boundary because this boundary was not appropriately established or justified. The licensee entered this issue into their CAP as AR 2015-15069 and reasonably determined the CCW remained operable. The performance deficiency was more than minor because it was associated with the mitigating systems cornerstone attribute of design control, and affected the cornerstone objective of ensuring the availability, reliability, and capability of mitigating systems to respond to initiating events to prevent undesirable consequences. The finding screened as of very low safety significance (Green) because it did not result in the loss of operability or functionality of mitigating systems. Specifically, the licensee performed a historical system health review and reasonably determined the CCW remained operable because periodic system walkdowns by the system owner and shiftly rounds by operations had not identified significant CCW system leaks. The team did not identify a cross-cutting aspect associated with this finding because it was not reflective of current performance. |
| Site: | Cook  |
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| Report | IR 05000315/2015008 Section 1R21 |
| Date counted | Dec 31, 2015 (2015Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.21M |
| Inspectors (proximate) | A Dunlop B Parks C Baron C Lipa L Smith M Jeffers N Feliz-Adorno R Walton S Kobylarz |
| Violation of: | 10 CFR 50.55a |
| INPO aspect | |
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Finding - Cook - IR 05000315/2015008 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Cook) @ 2015Q4
Self-Identified List (Cook)
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