Autumn 2016

On the front line at Fukushima

James Fisher Nuclear will support challenging decommissioning project at the tsunami damaged Fukushima nuclear reactor site in Japan.

James Fisher Nuclear (JFN) has been awarded a contract to build a prototype sampling device for the Fukushima Daiichi nuclear power plant. It is hoped that this system will enable the authorities to progress decommissioning operations inside the reactors at the site which were damaged by a tsunami after an earthquake in 2011.

The contract, with Mitsubishi Heavy Industries is to develop the cutting-edge technology needed to remotely sample radioactive debris located in highly inaccessible sites below the reactor cores, many of which are under water. The proposed sampling regime is intended to characterise the nature of the fuel debris, analysing its physical and chemical properties, in order to prepare for its complete removal, processing and packaging.

The JFN team is working on a remote material sampling system deployed from either a crawling ROV, swimming ROV or mechanical platform, which can recover a sample of material from the solidified region below the reactor core and safely retrieve it for testing. However, the process is complicated by the remote location of the damage caused by the tsunami which makes conventional sampling recovery techniques ineffective.

"We need to use our remote access expertise to devise a means of getting into the damaged reactor zone."

Explains Steve Marshall, lead engineer of the project at JFN. JFN will also be calling upon the expertise of sister company JFD to utilise its specialist understanding of pressurised equipment for deep-water operations. 

Bertie Williams, JFN nuclear director, said;

"Our appointment is indicative of our strong reputation for safe, cost-effective solutions delivered to challenging timescales as well as the level of trust we have built with our customers."

Find out more about James Fisher Nuclear

Read the press release to find out more - JFN beats the competition to win Fukushima support contract.

Sellafield magazine

James Fisher Nuclear has also been featured in Sellafield's magazine:

"As specialist engineering, manufacturing and technical experts, James Fisher Nuclear, win a contract to help with the clean-up of the Fukushima power plant, we look at how the company has used Sellafield as a spring board for national and international growth."

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