ENS 47308
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ENS Event | |
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15:20 Sep 29, 2011 | |
Title | Equipment Configuration Different than Analyzed in the Isa |
Event Description | During a review of Integrated Safety Analysis (ISA) and criticality evaluation assumptions for a floor cleaning scrubber used in the Dry Conversion Process facility, it was determined that an equipment configuration was different than that analyzed in the ISA. Field verification of the floor cleaning scrubber recovery tank determined that its capacity was greater than the safe volume limit referenced in the analysis. The tank volume is credited as an IROFS [Items Relied On For Safety] in the ISA summary. Based on a review of this as-found condition, discovered at approximately 1120 EDT on September 29, 2011, it was determined that the system was different than analyzed in the ISA and resulted in a failure to meet performance requirements.
The tanks for the floor cleaning scrubbers were inspected and no unsafe condition existed. Operation of the equipment has been suspended pending additional review and implementation of corrective actions. Additional corrective actions and extent of condition are being evaluated. This event is being reported pursuant to the reporting requirements of 10CFR70 Appendix A (b)(1) within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of discovery. The licensee will notify the NRC Region 2, North Carolina Radiation Protection Agency and New Hanover County Emergency Management. |
Where | |
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Global Nuclear Fuel - Americas Wilmington, North Carolina (NRC Region 2) | |
License number: | SNM-1097 |
Reporting | |
Part 70 App A (B)(5) | |
Time - Person (Reporting Time:+19.67 h0.82 days <br />0.117 weeks <br />0.0269 months <br />) | |
Opened: | Phillip Ollis 11:00 Sep 30, 2011 |
NRC Officer: | Vince Klco |
Last Updated: | Sep 30, 2011 |
47308 - NRC Website
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Global Nuclear Fuel with Part 70 App A (B)(5) | |
WEEKMONTHYEARENS 473082011-09-29T15:20:00029 September 2011 15:20:00
[Table view]Part 70 App A (B)(5) Equipment Configuration Different than Analyzed in the Isa ENS 471522011-08-12T16:00:00012 August 2011 16:00:00 Part 70 App A (B)(5) Integrated Safety Analysis (Isa) - Unanalyzed Condition ENS 441612008-04-23T14:00:00023 April 2008 14:00:00 Part 70 App A (B)(5) Non Critical-Safe Container Brought Into Safe Store Area ENS 435422007-07-31T16:00:00031 July 2007 16:00:00 Part 70 App A (B)(5) 24 Hour Report of a Process Not Included in the Integrated Safety Analysis 2011-09-29T15:20:00 | |
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