Boutgues Travaux Publics will now undertake the rehabilitation process that includes using pre-stressed anchors to strengthen the monolith at the top of the dam, apply carbon-fiber fabric to contain the upstream area and lastly patch-up work on the downstream face.

The hydro power plant situated on the Romanche River, in the eastern part of the country developed cracks due to alkali-aggregate reactions.

Chambon comprises a 293m-long and 90m-tall concrete gravity dam in the French Isere Department and has been in operation since 1934.

For an unspecified value, the contact offered to Boutgues Travaux Publics is part of only three such contracts to be let out by EDF.