05000458/FIN-2014002-02
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Finding | |
|---|---|
| Title | Failure to Assess and Manage Risk for Electrical Switchyard Impacting Maintenance |
| Description | The inspectors identified a non-cited violation of 10 CFR 50.65(a)(4), Requirements for Monitoring the Effectiveness of Maintenance at Nuclear Power Plants. Specifically, on February 12, 2014, the licensee failed to correctly assess and manage the increase in risk associated with work in the stations Fancy Point electrical switchyard. Corrective actions included reevaluating risk for the time period and issuing interim guidance on planning and evaluating the risk of switchyard work. The station planned to revise the OSP-0048 procedure to include the interim guidance. The licensee entered this issue into their corrective action program as Condition Report CR-RBS-2014-01221. The failure to perform an adequate risk assessment and implement appropriate risk management actions was a performance deficiency. The inspectors used Inspection Manual Chapter 0612, Power Reactor Inspection Reports, Appendix B, Issue Screening, dated September 7, 2012, to determine that the performance deficiency was more than minor, and therefore a finding, because it was associated with the Mitigating Systems Cornerstone attribute of protection against external factors and adversely affected the cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences (i.e., core damage). Manual Chapter 0609, Attachment 4, directs the inspectors to Appendix K for Maintenance Risk Assessment issues. The inspector used NRC Inspection Manual Chapter 0609, Appendix K, Maintenance Risk Assessment and Risk Management Significance Determination Process, dated May 19, 2005. The licensee provided Risk Assessment Related to CR-RBS-2014-1220/-1221 Switchyard Work, dated March 31, 2014. The exposure period was 20 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br />. The licensee identified the risk deficit as 2.6E-8/year. Since the risk deficit was less than 1E-6, the finding was of very low safety significance (Green). This finding was not significant to the large early release frequency. The apparent cause of the finding involved the failure to fill a position to act as a point of contact for switchyard work management for a period of four months due to the stations staffing reorganization. Therefore, this finding has a cross-cutting aspect in the area of human performance associated with change in management because the licensee failed to effectively transition the switchyard point-of-contact position through the staff reorganization. |
| Site: | River Bend  |
|---|---|
| Report | IR 05000458/2014002 Section 1R13 |
| Date counted | Mar 31, 2014 (2014Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.13 |
| Inspectors (proximate) | R Kopriva T Skaggs Ryan A Barrett D Allen G Larkin J O'Donnell L Ricketson |
| Violation of: | 10 CFR 50.65(a)(4) 10 CFR 50.65 |
| CCA | H.3, Change Management |
| INPO aspect | LA.5 |
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Finding - River Bend - IR 05000458/2014002 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (River Bend) @ 2014Q1
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