05000285/FIN-2015001-02
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Finding | |
|---|---|
| Title | Failure to Implement Risk Management Actions for Planned Maintenance Activities |
| Description | The inspectors identified a non-cited violation of very low safety significance of 10 CFR 50.65 paragraph (a)(4) "Requirements for Monitoring the Effectiveness of Maintenance of Nuclear Power Plants," because the licensee did not effectively manage the increase in risk that resulted from maintenance activities. Specifically, the licensee failed to implement key risk management actions outlined in site risk assessment and management guidance for diesel driven auxiliary feedwater (AFW) pump maintenance that resulted in a "Yellow" risk configuration. This violation was entered into the licensee's corrective action program and actions taken for this violation included verifying that all remaining online work prior to the scheduled refueling outage was properly screened and assessed in accordance with site risk management procedures. In addition, the licensee conducted training on risk management guidance that had been recently implemented during corporate alignment for personnel involved with scheduling and operations. The inspectors determined that the licensee's failure to implement key risk management actions outlined in site risk assessment and management guidance for diesel driven AFW pump maintenance was a performance deficiency within the licensee's ability to foresee and correct and should have been prevented. The finding is more than minor because it is associated with the Equipment Performance attribute of the Mitigating Systems cornerstone and adversely affected the cornerstone objective to ensure the availability of systems that respond to initiating events to prevent undesirable consequences. Specifically, the failure to perform maintenance on a continuous work schedule as required by site procedures resulted in a longer unavailability time of the equipment and an extended "Yellow" risk condition. Using NRC IMC 0609, Appendix K, "Maintenance Risk Assessment and Risk Management Significance Determination Process", dated May 19, 2005, Flowchart 2, "Assessment of [Risk Management Actions]", the inspectors determined the incremental core damage probability (ICDP) associated with the maintenance activity to be approximately 1 E-7, and therefore was determined to have a very low safety significance (Green), since the calculated I COP was less than 1 E-6. Because the licensee did not use a systematic process to ensure that nuclear safety remained the overriding priority while they implemented a corporate alignment, the finding has a cross-cutting aspect in the area of Human Performance, Change Management (H.3). |
| Site: | Fort Calhoun  |
|---|---|
| Report | IR 05000285/2015001 Section 1R13 |
| Date counted | Mar 31, 2015 (2015Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.13 |
| Inspectors (proximate) | T Buchanan B Hagar G Miller M Cummings P Elkmann S Hedger S Schneider |
| Violation of: | 10 CFR 50.65 |
| CCA | H.3, Change Management |
| INPO aspect | LA.5 |
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Finding - Fort Calhoun - IR 05000285/2015001 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Fort Calhoun) @ 2015Q1
Self-Identified List (Fort Calhoun)
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