HI-STORM (Â×ÀíÈý¼¶ Storage Module) is Â×ÀíÈý¼¶â€™s Multi-Purpose Canister (MPC) system for the dry storage of used nuclear fuel. The HI-STORM system consists of interchangeable sealed metallic MPCs which contain the used fuel; a vertically ventilated storage overpack or underground Vertical Ventilated Module (VVM), which contains the MPC during storage; and an on-site transfer cask, HI-TRAC, which contains the MPC during loading, unloading, and transfer operations.
HI-STORM UMAX
HI-STORM UMAX (Â×ÀíÈý¼¶ Storage Module Underground MAXimum Capacity) is an underground Vertical Ventilated Module (VVM) dry spent fuel storage system engineered to be fully compatible with all presently certified multi-purpose canisters (MPCs) under USNRC CoC 72-1014 (HI-STORM 100 dry cask storage system) and CoC 72-1032 (HI-STORM FW dry cask storage system).
HI-STORM FW
HI-STORM FW (Â×ÀíÈý¼¶ Storage Module Flood and Wind) is Â×ÀíÈý¼¶â€™s highest capacity Multi-Purpose Canister (MPC) system for the dry storage of used nuclear fuel. HI-STORM FW is designed to provide physical protection of the used fuel, radiation shielding, and passive heat removal during interim storage.
HI-STORM 100U
HI-STORM 100U is the underground counterpart of the presently licensed above-ground models. The underground HI-STORM vertical ventilated module is the latest to join the HI-STAR/HI-STORM family of HLW storage systems. Licensed under USNRC CoC 72-1014 (HI-STORM 100 dry cask storage system) the HI-STORM 100U stores the spent nuclear fuel completely below grade taking full advantage of the shielding offered by the surrounding soil and concrete.
HI-STORM 100
The HI-STORM 100 System is designed to accommodate a wide variety of spent nuclear fuel assemblies and other radioactive materials in a single overpack by utilizing different MPCs. The HI-STORM 100 System utilizes the HI-TRAC Transfer Cask for transporting the MPC from the spent fuel pool and for inter-cask MPC transfer required for on-site storage and off-site transport.
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