05000331/FIN-2014008-04
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Finding | |
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| Title | Failure to fully Incorporate the Sequential Loading Relay Functions into the UFSAR. |
| Description | The inspectors identified a Severity Level IV NCV of Title 10 CFR 50.71(e), Maintenance of Record, Making of Reports, and an associated finding of very low safety significance (Green) for the licensees failure to maintain up-to-date the Updated Final Safety Analysis Report (UFSAR). Specifically, the licensee failed to incorporate the function of the sequential loading relays to prevent loading of core spray and residual heat removal pumps below 3500 volts and to start of the SBDGs as a result of the actuation of these relays into the UFSAR. The licensee entered this finding into their Correction Action Program as AR 01984560 to adequately describe the function of these relays in the UFSAR. The performance deficiency was determined to be more than minor because it impacted the Mitigating Systems Cornerstone attribute of Design Control to ensure the reliability and availability of the standby diesel generator. Specifically, the licensee modified the circuits associated with the starting of the diesels from the sequential loading relays and assessed the applicability of a 10 CFR 50.59 safety evaluation based on incomplete information in the UFSAR. The inspectors determined this lack of information did not result in an unacceptable change to the facility. Since the finding did not represent an actual loss of safety function, the inspectors screened the finding as having very low safety significance (Green). The violation was determined to be a Severity Level IV violation in accordance with Section 6.1.d.3 of the NRC Enforcement Policy. The inspectors did not identify a cross-cutting aspect associated with this finding because the finding was not representative of the licensees current performance. |
| Site: | Duane Arnold  |
|---|---|
| Report | IR 05000331/2014008 Section 1R21 |
| Date counted | Sep 30, 2014 (2014Q3) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.21 |
| Inspectors (proximate) | A Dahbur A Stone B Jose C Edwards J Braisted J Chiloyan N Valos |
| Violation of: | 10 CFR 50.59 10 CFR 50.71(e) 10 CFR 50.71 |
| INPO aspect | |
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Finding - Duane Arnold - IR 05000331/2014008 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Duane Arnold) @ 2014Q3
Self-Identified List (Duane Arnold)
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