Feasibility and Technology Readiness Assessment
Feasibility studies for the design of disposal vaults for multi-purpose containers (2014)
MCM, with their partner ATKINS, were contracted to RWM in order to carry out feasibility studies into the design of disposal vaults for multi-purpose containers (MPCs). The MPC concept involves packaging spent fuel for long-term dry storage, after a period of cooling in a fuel pond, and negates any need for additional direct handling in the process of the waste’s eventual transport to, and disposal in, a geological disposal facility.
MCM were able to support the feasibility of ventilating, constructing and operating vaults for MPCs containing PWR spent fuel through the application of system engineering expertise – determining user requirements and system requirements, before an analysis of concept options and a summary of feasible concept designs was able to take place.
A review of GDF backfill emplacement technology options considered the ability to emplace localised and mass backfill around the MPC system being developed for UK PWR SF, considering horizontal or vertical emplacement in disposal tunnels and vault-based layouts and the ability to backfill different materials around such containers in a range of geological environments.
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