05000397/FIN-2011002-01
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Finding | |
|---|---|
| Title | Failure to Ensure Unacceptable Preconditioning is Considered During the Work Management Process |
| Description | The inspectors identified a non-cited violation of 10 CFR Part 50 Appendix B, Criterion V, Instructions, Procedures, and Drawings, for the licensees failure to consider the impact of preconditioning on the emergency core cooling systems during maintenance. Specifically, licensee personnel failed to consider the impact of scheduling keep fill pump maintenance prior to technical specification required surveillance testing. Licensee personnel reviewed three years worth of data on the emergency core cooling systems to ensure there was no degrading performance trend. This issue was placed in the licensees corrective action program as Action Request/Condition Report 236880. The performance deficiency was more than minor because it affected the equipment performance attribute of the Mitigating Systems Cornerstone objective of ensuring the reliability of systems that respond to initiating events. Using Inspection Manual Chapter 0609.04, Phase 1 Initial Screening and Characterization of Findings, the inspectors determined that this performance deficiency was of very low safety significance because this finding was confirmed to not result in a loss of operability for the emergency core cooling systems. The inspectors identified a cross-cutting issue in the area of human performance, work practices, because the licensee failed to effectively communicate expectations regarding procedural compliance |
| Site: | Columbia  |
|---|---|
| Report | IR 05000397/2011002 Section 1R19 |
| Date counted | Mar 31, 2011 (2011Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.19 |
| Inspectors (proximate) | R Cohen W Walker B Larson M Hayes D Strickland |
| CCA | H.8, Procedure Adherence |
| INPO aspect | WP.4 |
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Finding - Columbia - IR 05000397/2011002 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Columbia) @ 2011Q1
Self-Identified List (Columbia)
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