After that, the fuel would be fabricated into robust fuel bundles that weigh about 1/2 ton, are easy to count, and very difficult to «carry» off. (gehitachiprism.com)
Although the utility managed to safely remove all 1,533 fuel bundles from the plant's unit No. 4 reactor by December 2014, it still has to do the same for the hundreds of rods stored at the other three units. (scientificamerican.com)
The storage cavities contain the irradiated fuel bundles in welded multi-purpose canisters, with over-packs and hardened against extenuating threats such as a crashing aircraft or an incident missile. (smrllc.com)