ENS Event | |
|---|---|
20:00 Jan 27, 2006 | |
| Title | 24 Hr Nrc Bulletin 91-01 Due to Criticality Controls Degradation |
| Event Description | At approximately 1500 on January 27, 2006, operations leadership notified nuclear safety that five (5) loaded rod trays were discovered stored on a conveyor at the Automated Bundle Assembly Machine (ABAM). A physical barrier intended to limit the number of rod trays to four (4) had failed, and was not in place. This event constitutes a loss of geometry control.
The independent control on moderation remained intact, thus no unsafe condition existed. This event is reported pursuant to NRC Bulletin 91-01 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. The rod trays were removed from the conveyor, and the geometry control re-established within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. The ABAM unit has been shutdown pending investigation and implementation of additional corrective actions. The licensee will notify NRC Region 2, and State and Local authorities. |
| Where | |
|---|---|
| Global Nuclear Fuel Wilmington, North Carolina (NRC Region 2) | |
| License number: | SNM-1097 |
| Reporting | |
| Response | |
| Time - Person (Reporting Time:+13.47 h0.561 days <br />0.0802 weeks <br />0.0185 months <br />) | |
| Opened: | Lon Paulson 09:28 Jan 28, 2006 |
| NRC Officer: | Bill Gott |
| Last Updated: | Jan 28, 2006 |
| 42292 - NRC Website
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Global Nuclear Fuel with Response | |
WEEKMONTHYEARENS 438972008-01-12T05:00:00012 January 2008 05:00:00
[Table view]Response Bulletin 91-01 Loss of Double Contingency Criticality Safety Controls ENS 433592007-05-11T20:00:00011 May 2007 20:00:00 Response Bulletin 91-01 Loss of Double Contingency ENS 422922006-01-27T20:00:00027 January 2006 20:00:00 Response 24 Hr Nrc Bulletin 91-01 Due to Criticality Controls Degradation ENS 403362003-11-18T20:55:00018 November 2003 20:55:00 Response 24 Hr Nrc Bulletin 91-01 Due to Criticality Controls Degradation 2008-01-12T05:00:00 | |