Fukushima accident rss

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.

Robotic surveys resume at Fukushima Daiichi 1

Regulation and Safety

10 March 2017

PMORPH robot - 48Tokyo Electric Power Company is preparing to insert a Hitachi-developed robot into the primary containment vessel of the damaged unit 1 of the Fukushima Daiichi plant. Last month, a Toshiba-developed robot was used to survey the vessel of unit 2.

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.

Robot surveys Fukushima Daiichi containment vessel

Regulation and Safety

17 February 2017

Scorpion robot for FD 2 PCV - 48Tokyo Electric Power Company yesterday sent a robot into the primary containment vessel of the damaged unit 2 at the Fukushima Daiichi plant in Japan. Although the robot was unable to reach the part of the vessel directly under the reactor pressure vessel, the company said the information it gathered will help it determine how to decommission the unit.