ENS 47380
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ENS Event | |
|---|---|
19:00 Oct 26, 2011 | |
| Title | Loss of Double Contingency |
| Event Description | On October 26, 2011 at approximately 3:00 p.m., a deficiency was identified during a routine criticality safety review of a proposed revision to an operating procedure for transporting and storing 3-gallon cans. One of the controls needed to meet double contingency was not available to restrict the movement of cans that exceed the specified mass limit for these storage locations. This resulted in a condition where the mass control documented in the criticality safety analysis had not been maintained. The second control, geometry, was maintained.
There are no uranium cans of this particular material type currently in these storage locations and no unsafe condition is present. All movement of this material type to these designated storage locations has been suspended. Additional corrective actions and extent of condition are being evaluated. This event is being reported pursuant to GNF-A internal procedure reporting requirements due to a loss of double contingency. The licensee will notify Region 2, North Carolina Radiation Protection, and New Hanover County Emergency Management. |
| Where | |
|---|---|
| Global Nuclear Fuel - Americas Wilmington, North Carolina (NRC Region 2) | |
| License number: | SNM-1097 |
| Reporting | |
| Other Unspec Reqmnt | |
| Time - Person (Reporting Time:+19.55 h0.815 days <br />0.116 weeks <br />0.0268 months <br />) | |
| Opened: | Scott Murray 14:33 Oct 27, 2011 |
| NRC Officer: | Joe O'Hara |
| Last Updated: | Oct 27, 2011 |
| 47380 - NRC Website
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Global Nuclear Fuel with Other Unspec Reqmnt | |
WEEKMONTHYEARENS 478292012-04-12T12:00:00012 April 2012 12:00:00
[Table view]Other Unspec Reqmnt Internal Reporting Requirement for Criticality Safety Controls ENS 473802011-10-26T19:00:00026 October 2011 19:00:00 Other Unspec Reqmnt Loss of Double Contingency ENS 472692011-09-14T19:30:00014 September 2011 19:30:00 Other Unspec Reqmnt, 10 CFR 70.74 APP. A 24 Hour Report Due to Double Contingency Not Maintained ENS 472652011-09-13T18:45:00013 September 2011 18:45:00 Other Unspec Reqmnt 24-Hour Report Involving Potential Failure to Maintain Double Contingency Criteria ENS 471612011-08-16T16:00:00016 August 2011 16:00:00 Other Unspec Reqmnt Improper Criticality Safety Evaluation ENS 466632011-03-08T05:00:0008 March 2011 05:00:00 Other Unspec Reqmnt Gnf Procedure 40-32 Loss of a Single Material Control Transaction ENS 466502011-03-01T20:00:0001 March 2011 20:00:00 Other Unspec Reqmnt Failure to Maintain Mass Control of Uo2 Powder ENS 459762010-06-04T13:30:0004 June 2010 13:30:00 Other Unspec Reqmnt Active Criticality Controls Not in Irofs 2012-04-12T12:00:00 | |
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