ENS 42292: Difference between revisions

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| event date = 01/27/2006 15:00 EST
| event date = 01/27/2006 15:00 EST
| last update date = 01/28/2006
| last update date = 01/28/2006
| title = 24 Hr Nrc Bulletin 91-01 Due To Criticality Controls Degradation
| title = 24 Hr Nrc Bulletin 91-01 Due to Criticality Controls Degradation
| event text = 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.
| event text = 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 hours.  The rod trays were removed from the conveyor, and the geometry control re-established within 4 hours.  The ABAM unit has been shutdown pending investigation and implementation of additional corrective actions.
The independent control on moderation remained intact, thus no unsafe condition existed.  This event is reported pursuant to NRC Bulletin 91-01 within 24 hours.  The rod trays were removed from the conveyor, and the geometry control re-established within 4 hours.  The ABAM unit has been shutdown pending investigation and implementation of additional corrective actions.

Revision as of 22:19, 1 March 2018

ENS 42292 +/-
Where
Global Nuclear Fuel - Americas
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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