05000338/FIN-2011003-04
From kanterella
Jump to navigation
Jump to search
Finding | |
|---|---|
| Title | Inadequate Cause Evaluation of Scaffolding Affecting Unit 1 A Charging Pump |
| Description | The inspectors identified a non-cited violation of 10 CFR 50, Appendix B, Criterion XVI, Corrective Action, for the failure to identify a condition adverse to quality involving noncompliance with a licensee procedure during an apparent cause evaluation (ACE) for scaffolding adversely affecting the Unit 1 A charging pump. report 416488. The inspectors determined that the failure to identify a condition adverse to quality involving noncompliance with a licensee procedure during an ACE was a performance deficiency (PD). The PD was more than minor because (1) if left uncorrected it would have the potential to result in a more significant safety event, and (2) it impacted the mitigating systems cornerstone objective to ensure the reliability and capability of systems which respond to initiating events and the related attribute of equipment performance because the reliability of the affected safety related components would be adversely impacted during a seismic event. In accordance with NRC Inspection Manual Chapter 0609, Significant Determination Process, the inspectors performed a Phase 1 analysis and determined the finding was of very low safety significance or Green because the affected equipment would not result in a total loss of a safety function during a seismic event. This finding involved the cross-cutting area of human performance, the component of the resources, and the aspect of procedure use and adherence, H.4(b), because the licensee failed to adequately follow procedures for the identification of seismic deficiencies involving scaffolding. |
| Site: | North Anna  |
|---|---|
| Report | IR 05000338/2011003 Section 4OA2 |
| Date counted | Jun 30, 2011 (2011Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71152 |
| Inspectors (proximate) | A Alen A Sengupta C Sanders D Mas G Mccoy J Reece R Carrion R Clagg S Sandal |
| CCA | H.8, Procedure Adherence |
| INPO aspect | WP.4 |
| ' | |
Finding - North Anna - IR 05000338/2011003 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Finding List (North Anna) @ 2011Q2
Self-Identified List (North Anna)
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||