In Chasse sur Rhône, south of Lyon, we have been contracted for vaults concrete repairs works for the CONDAT Lubricants factory. These works follow those carried out in 2009 following an explosion on the site. Over the last 10 years, the client has called on our teams five times.

Part of the old plaster vaults of a Norman church was reinforced using resin concrete and carbon fiber fabrics bonded on both sides of the vault by carbon braids.

As part of its asset management strategy, the Moroccan National Railways Office launched a programme to restore several engineered structures along the railway line between Tangiers and Sidi Kacem. Structural strengthening of the Hjar Ennhal bridge was a true challenge.

Featuring a combined concrete and masonry structure, the Sahasinaka viaduct was built in 1934. As one of the pier foundations showed signs of subsidence, structural strengthening of the bridge was conducted by Freyssinet.