Solid Radioactive Waste Strategy Report.pdf - UK EPR

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EPR UK N° NESH-G/2008/en/0123 REV. A PAGE 132 / 257 FIGURE 42: FUEL ASSEMBLY REMOVED INTO UNLOADING CELL The fuel assemblies are then transferred and immersed in a cooling/rinsing enclosure, where a sipping test is performed to check the integrity of the fuel rods. The fuel assemblies are then transferred to the interim storage facility. The empty transport container is monitored for residual radioactivity and closed for transfer to the preparation station where it is cleaned, rinsed and vacuum-dried and prepared for reuse. 9.3.1.1.2 Underwater Unloading Technology An underwater unloading facility has been installed and successfully operated at AREVA’s La Hague facility and similar facilities have been built elsewhere. Commissioned in 1981, this facility has a pool in which the transport container is fully immersed prior to unloading. It is important to note that all operations are completed under water. The transport container lid is opened and the transport container is prepared for unloading. The fuel assemblies are unloaded one at a time and placed into storage baskets. A submerged conveyor transfers the storage baskets from the unloading pool to one of the interim storage pools.
EPR UK N° NESH-G/2008/en/0123 REV. A PAGE 133 / 257 FIGURE 43: TRANSPORT CONTAINER IMMERSED IN NEW POOLS HAGUE FACILITY FIGURE 44: BASKET TRANSFER BY SUBMERGED CONVEYOR
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A 2008-11-26 Sarah Greenwood Gary C
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