The Department of Energy Headquarters Certifying Official has issued a Certificate of Compliance for the shipment of sodium debris bed experiments (DBE) in the NAC International’s Legal Weight Truck (NAC-LWT) casks. The shipment is part of a major de-inventory project at Sandia National Laboratories. The sodium debris bed experiments consist of crucibles containing UO2 immersed in sodium. The uranium is 93% enriched U235. Potential sodium-water reaction and criticality safety under hypothetical accident conditions of transport are the two major technical issues for the design and certification of the NAC-LWT casks for the DBE shipment. The certification review took ≈ 13 months, including one round of questions and responses and source-verification QA audits of the fabrication and welding of the DBE transport canisters at two locations.
Certification of the NAC-LWT Cask for Shipment of Sodium Debris Bed Experiments
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Liu, Y, Shah, V, Fabian, R, & Shuler, J. "Certification of the NAC-LWT Cask for Shipment of Sodium Debris Bed Experiments." Proceedings of the ASME 2008 Pressure Vessels and Piping Conference. Volume 7: Operations, Applications and Components. Chicago, Illinois, USA. July 27–31, 2008. pp. 623-630. ASME. https://doi.org/10.1115/PVP2008-61241
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