05000482/FIN-2010008-01
From kanterella
Jump to navigation
Jump to search
Finding | |
|---|---|
| Title | Failure to Promptly Identify and Correct a Condition Adverse to Quality |
| Description | Green. The inspectors identified a noncited violation of 10 CFR Part 50, Appendix B, Criterion XVI, Corrective Action, for the failure to promptly identify voiding conditions in the component cooling water and residual heat removal system piping. The licensee failed to promptly identify the presence of voids in both the component cooling water and residual heat removal systems despite unexpected component cooling water pump auto starts and unexpected audible water hammer and minimum flow valve (EJ-FCV-610) cycling during component cooling water and residual heat removal pump surveillances. This finding was more than minor because the failure to promptly identify conditions adverse to quality associated with the component cooling water and residual heat removal systems is associated with the equipment performance attribute of the Mitigating Systems Cornerstone and affects the associated cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirabl e consequences. Using Manual Chapter 0609.04, Phase 1 Initial Screening and Characterization of Findings, the issue screened as having very low safety significance because it was a qualification deficiency confirmed not to result in a loss of operability. The finding had a crosscutting aspect in the human performance, decision making component, because the licensee failed to use conservative assumptions during the evaluation of the pressure oscillations exhibited during the component cooling water pump starts. |
| Site: | Wolf Creek  |
|---|---|
| Report | IR 05000482/2010008 Section 4OA5 |
| Date counted | Dec 31, 2010 (2010Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 93812 |
| Inspectors (proximate) | D Dumbacher M Young M Hay M Bloodgood |
| Violation of: | 10 CFR 50 Appendix B 10 CFR 50 Appendix B Criterion XVI |
| CCA | H.14, Conservative Bias |
| INPO aspect | DM.2 |
| ' | |
Finding - Wolf Creek - IR 05000482/2010008 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Finding List (Wolf Creek) @ 2010Q4
Self-Identified List (Wolf Creek)
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||