Fukushima accident rss

Last part of Fukushima ice wall being frozen

Regulation and Safety

23 August 2017

The final part of an ice wall surrounding the damaged Fukushima Daiichi reactors is being frozen, Tokyo Electric Power Company said yesterday. The ice wall prevents the travel of water into or out of the reactor building basements.

Tepco study of unit 3 containment vessel under way

Regulation and Safety

21 July 2017

Fukushima Daiichi 3 PCV survey - 22 July 2017 - 48UPDATED Tokyo Electric Power Company has confirmed the presence of what could be melted fuel and fallen debris within the lower part of the flooded primary containment vessel of unit 3 at the damaged Fukushima Daiichi nuclear power plant in Japan. Similar surveys using robots have already been carried out at units 1 and 2 of the plant.

Tepco completes survey of Fukushima Daiichi 1 PCV

Regulation and Safety

28 March 2017

Tokyo Electric Power Company has completed a five-day investigation of the primary containment vessel (PCV) of the damaged unit 1 of the Fukushima Daiichi plant using a robot. The results of the survey will help Tepco determine the location of fuel debris within the vessel.

Japanese marine sampling data reliable, says IAEA

Regulation and Safety

02 August 2017

Fukushima marine sediment sampling - 48Analyses by Japanese laboratories of seawater, marine sediment and fish samples taken from near the damaged Fukushima Daiichi nuclear power plant produce reliable data, according to the International Atomic Energy Agency. The agency compared the results obtained from seven Japanese labs with those from three labs outside Japan.

Robot ready to inspect Fukushima Daiichi 3 vessel

Regulation and Safety

15 June 2017

Toshiba-IRID ROV for FD3 PCV - 48An underwater robot has been developed to inspect the flooded primary containment vessel of unit 3 at the damaged Fukushima Daiichi nuclear power plant in Japan. The robot is expected to be deployed in the coming months, following the training of operators.

Survey under way of Fukushima Daiichi 1 vessel

Regulation and Safety

20 March 2017

Fukushima Daiichi 1 PCV robot survey - 48A robot has entered into the primary containment vessel of the damaged unit 1 of the Fukushima Daiichi plant and provided Tokyo Electric Power Company with radiation and temperature measurements within it. The company hopes the data, together with video footage, will enable it to locate the molten fuel in the unit.