France-based Areva has designed an innovative new technology, known as Lower Girth Weld Inspection Tool (LGWIT), for nuclear reactor vessel inspections.

The latest tool allows plant personnel to remotely perform inspections through narrow gaps of the reactor vessel internals. It is fully automated and it optimises both the safety and reliability of operations.

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The technology allows plant personnel to remotely perform inspections through narrow gaps of the reactor vessel internals for increased safety and maintenance.

LGWIT has been designed by Areva to meet the criteria of the Electric Power Research Institute’s Materials Reliability Program and the US Nuclear Regulatory Commission NUREG 1766 regulation.

Already, this tool has been used successfully to perform various inspections for Areva’s utility customers in the US.

"The latest tool allows plant personnel to remotely perform inspections through narrow gaps of the reactor vessel internals."

Areva installed base business division executive vice-president Philippe Samama said, "Building on AREVA’s expertise in nuclear reactor outages and maintenance, our teams have developed an inspection technology which can be used in all types of pressurised water reactors.

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"By providing safer and more efficient inspections, this tool can support utilities around the world in optimising the long term reliability of their operations."

Areva is ready to take part in the development of a waste treatment plant in the UK, along with British companies Mace and Atkins.

The partnership will design and construct a facility to handle the treatment of materials currently present on site at the Sellafield nuclear reprocessing site.

Energy