Construction of a new tailings pond delimited by 6 new dykes. Crushing and transportation of more than 1,400,000 tons of materials. Opening of 3 new quarries. Installation of more than 60,000 m² of bituminous membrane. Use of a scale to accurately calculate the quantities of all the materials used. Construction of a road with a tunnel spanning a railway line near the works to allow access to the site. Carry out soil improvement by column using the "soil mixing" type method, to reduce settlement under the structures and improve the bearing capacity.

Raising of 6 existing dykes with bituminous membrane anchoring in a clay core. Construction of 3 new watertight dykes with bituminous membrane having a total length of 550 m. Construction of a 2km road to access the new quarry. Exploitation of a new quarry. Crushing and transportation of nearly 500,000 tons of materials

Expansion of the existing tailings pond in a peat bog. Excavation of more than 300,000 m³ of peat and plant material. Construction of two new dykes in winter. Transport of 200,000 tons of granular materials. Crushing of 120,000 tons of granular materials for future use. Drilling and blasting at the quarry. 

Reloading of 13 km of forest road. Stripping and opening of three gravel banks. Production of 186,000 tons of MG-20.

Reloading of 13 km of forest road. Stripping and opening of three gravel banks. Production of 186,000 tons of MG-20.

Opening of a new pit. Road construction. Crushing of 100,000 tons of granular materials.