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>A Year in the Life of a Nuclear Storage Facility De-Inventory: How Y-12 National Security Complex Successfully Relocated the Inventory of Enriched Uranium Not Qualified for the Highly Enriched Uranium Materials Facility
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A Year in the Life of a Nuclear Storage Facility De-Inventory: How Y-12 National Security Complex Successfully Relocated the Inventory of Enriched Uranium Not Qualified for the Highly Enriched Uranium Materials Facility
For many at Y-12 National Security Complex (Y-12), the primary focus last year was the deinventoryof a 65-year-old warehouse containing legacy enriched uranium items ineligible forstorage in the newly constructed Highly Enriched Uranium Materials Facility (HEUMF). Theload-out had been accelerated from 9 months to 90 days, saving Y-12 an estimated $25 millionbut requiring a well-orchestrated plan to empty the facility of all items to be excluded fromHEUMF before onset of the load-out phase. The entire warehouse inventory had been researchedand categorized in preparation for the HEUMF load-out, and all items were evaluated for properdisposition. Hundreds of items, some decades old, some merely in unsuitable containers or informs unapproved for the new facility (referred to as cats and dogs), did not meet the safety basiscriteria for transfer to HEUMF. They required either relocation to another storage facility withinY-12 to be physically exhausted through processing or shipment off-site before the opening ofHEUMF in early 2010. Many of the activities required to move the ineligible items werecompleted within the last year while the old warehouse still had sufficient staffing to execute themoves and to ensure the 90-day accelerated load-out was not impacted.This paper discusses the major activities, surprises, lessons learned, and notable eventsencountered while working through the materials during this successful, although often stressfuland never dull, de-inventory period.
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