Reprocessing facility at Tokai Village Measures to be taken due to fear of submergence of tank due to tsunami Ibaraki March 15 6:18
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Regarding the spent nuclear fuel reprocessing facility in Ibaraki Prefecture, which is preparing for decommissioning, the Japan Atomic Energy Agency has taken measures such as thickening the walls of the building with concrete, assuming that the tank of high-level radioactive waste liquid may be submerged. We have summarized the policy of doing.
Regarding the spent nuclear fuel reprocessing facility operated by the Japan Atomic Energy Agency in Tokai Village, Ibaraki Prefecture, the Nuclear Regulation Authority said that a huge tsunami could cause a tank of waste liquid containing high levels of radioactive substances to submerge Was asking the JAEA for a safety assessment.
At this time, JAEA compiled the evaluation results and proposed measures and reported them to the government.
According to the report, it is assumed that a tsunami of up to 14.2 meters will hit a building with a tank for waste liquid containing high-level radioactive substances.
As a countermeasure, he stated that the walls around the entrance of the building would be made thicker by about 30 cm with concrete, and that a fence around the building to prevent drifting objects would be made.
The NRA will consider whether the tsunami assessment and the proposed measures are appropriate in the future.