Measures to prevent recurrence due to the collapse of nuclear facilities Japan Atomic Energy Agency, December 21, 4:55

The nuclear power facility in Ibaraki Prefecture collapsed due to a typhoon. Decided to take.

At the JAEA research laboratory in Oarai, Ibaraki Prefecture, a building with a height of approximately 17 meters that cools the research reactor was completely destroyed by Typhoon No. 15 in September, and JAEA has a wooden brace that supports the building. A part of the report was that it was corroded and collapsed by about half the wind of the design standard.

The JAEA then found that corrosion could not be found in the inspection, and identified locations that could be corroded at research bases throughout the country. We decided to conduct a percussion inspection once a year to confirm.
In addition, if necessary, we will conduct an inspection using ultrasound.

According to the JAEA, 89 facilities nationwide have become obsolete, 70% of which have been over 40 years since construction. This week, Secretary of the Secretary of the Secretariat secured the necessary budget to prevent aging and ensure safety. It shows your thoughts.

Ibaraki Nuclear Safety Measures Section "Measures to prevent accidents"

Regarding the collapse of nuclear facilities, Ibaraki Prefecture's Nuclear Safety Measures Department said, “The contents of the report will be evaluated by the prefecture's nuclear safety measures committee prepared by experts, but the JAEA will continue to prevent such accidents from occurring. I want to take measures. ”

In addition, the Living Environment Division in Oarai-machi, Ibaraki Prefecture, where the research institute is located, says, "I want you to ensure thorough safety management of facilities, such as steadily implementing measures to prevent recurrence included in the report."