05000237/FIN-2011002-02: Difference between revisions
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| identified by = NRC | | identified by = NRC | ||
| Inspection procedure = IP 71111.04 | | Inspection procedure = IP 71111.04 | ||
| Inspector = C Zoia, D Melendez | | Inspector = C Zoia, D Melendez-Colon, C Phillips, D Reeser, R Baker, M Ring, T Go, J Draper | ||
| CCA = H.5 | | CCA = H.5 | ||
| INPO aspect = WP.1 | | INPO aspect = WP.1 | ||
| description = The inspectors identified a finding of very low safety significance and associated NCV of the Dresden Nuclear Power Station Renewed Facility Operating License for the licensees failure to perform adequate post-maintenance testing on a smoke detector in the Control Room Ventilation System ductwork. Corrective actions by the licensee included creating an action to determine what happened with the test results and moving the repair of the smoke purge dampers up in the schedule. Using IMC 0612, Appendix B, Issue Screening, issued on January 1, 2010, the inspectors determined that this finding was more than minor. The inspectors were unable to resolve the more than minor issue based on the examples in IMC 0612, Appendix E, Examples of Minor Issues, dated August 11, 2009. The inspectors did, however, determine that the performance deficiency was associated with the Reactor Safety Mitigating Systems Cornerstone attribute of equipment performance. The failure to perform post-maintenance testing on the smoke detector could impact the cornerstone objective of ensuring the availability, reliability, and capability of sustems that respond to initiating events to prevent undesirable consequences. The inspectors determined that this finding had a cross-cutting aspect in the area of Work Control because the licensee did not appropriately plan work activities by incorporating the need for planned contingencies. Specifically, when the control room ventilation dampers would not reposition to the smoke purge position, the licensee still had the ability to test the alarms associated with the detector but failed to do so (H.3(a)). | | description = The inspectors identified a finding of very low safety significance and associated NCV of the Dresden Nuclear Power Station Renewed Facility Operating License for the licensees failure to perform adequate post-maintenance testing on a smoke detector in the Control Room Ventilation System ductwork. Corrective actions by the licensee included creating an action to determine what happened with the test results and moving the repair of the smoke purge dampers up in the schedule. Using IMC 0612, Appendix B, Issue Screening, issued on January 1, 2010, the inspectors determined that this finding was more than minor. The inspectors were unable to resolve the more than minor issue based on the examples in IMC 0612, Appendix E, Examples of Minor Issues, dated August 11, 2009. The inspectors did, however, determine that the performance deficiency was associated with the Reactor Safety Mitigating Systems Cornerstone attribute of equipment performance. The failure to perform post-maintenance testing on the smoke detector could impact the cornerstone objective of ensuring the availability, reliability, and capability of sustems that respond to initiating events to prevent undesirable consequences. The inspectors determined that this finding had a cross-cutting aspect in the area of Work Control because the licensee did not appropriately plan work activities by incorporating the need for planned contingencies. Specifically, when the control room ventilation dampers would not reposition to the smoke purge position, the licensee still had the ability to test the alarms associated with the detector but failed to do so (H.3(a)). | ||
}} | }} | ||
Latest revision as of 19:42, 20 February 2018
| Site: | Dresden  |
|---|---|
| Report | IR 05000237/2011002 Section 1R04 |
| Date counted | Mar 31, 2011 (2011Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.04 |
| Inspectors (proximate) | C Zoia D Melendez-Colon C Phillips D Reeser R Baker M Ring T Go J Draper |
| CCA | H.5, Work Management |
| INPO aspect | WP.1 |
| ' | |