Transportation Systems

Licensed, Proven Designs for Transporting Spent Fuel, Other Nuclear Materials

NAC International has developed a full range of nuclear material packaging and transportation casks. We have obtained over 150 NRC-approved licenses or license amendments for our transport system designs, as well as numerous worldwide license certificates and validations.

NAC’s current transportation systems include:

• NRC-licensed transport casks for NAC’s on-site storage system designs:
  • NAC-STC transport casks for transporting MPC storage systems. This design was used as the basis for casks certified and used in China since 2004 for transporting spent fuel.
  • UMS Universal Transport Cask for UMS on-site storage casks
  • MAGNATRAN transport cask for MAGNASTOR on-site storage casks
• NAC-Legal Weight Truck (NAC-LWT) transport casks, NRC-licensed and endorsed by 30+ countries on 6 continents. Click here for more information on the NAC-LWT cask.
• OPTIMUS® cask line offering an adaptable Type B cask package designed with flexibility and adaptability for cost-efficient shipment of a wide range of fissile materials. More information is available here.

Our history of transportation success demonstrates our readiness to provide transport of storage canisters in NAC’s NRC-certified STC, UMS UTC and MAGNATRAN casks to a consolidated interim storage facility or a repository for disposal, when available.

OPTIMUS®

OPTIMUS-H and OPTIMUS-L. OPTIMUS-H is designed for high-activity contents: remote-handled transuranic waste (RH TRU) and spent fuel. OPTIMUS-L is designed for low-activity contents: contact-handled transuranic waste (CH TRU) and mixed low-level radioactive waste (MLLW).
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NAC-STC Cask

The NAC-STC is a high-capacity dual-purpose spent fuel packaging system – the first U.S. Nuclear Regulatory Commission (NRC)-licensed cask design for both storage and transportation of commercial spent nuclear fuel.
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NAC-LWT Cask

NAC-LWT (Legal Weight Truck) cask system is the industry workhorse of U.S. commercial spent nuclear fuel transportation casks, and has been used for many types of solid and liquid wastes.
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Dry Transfer System

The transfer cask is used to move canisters of fuel from the fuel storage location to the shipping cask.
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Volunteer Cask

NAC International’s new high-capacity Volunteer Type B(U) transport packaging system brings a new level of capabilities to the transport of Tritium-Producing Burnable Absorber Rods (TPBARs), vitrified high-level waste (HLW), and irradiated hardware.
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