France – Engineering works and construction works – Les travaux principaux souterrain (excavation et réalisation des revêtements béton) et prise d’eau supérieure de l’usine de Montézic 2

The contract concerns the main underground works (excavation and concrete lining) and the upper water intake of the Montézic 2 plant. The technical scope of the works to be carried out includes, in particular:

- Site installations

- Excavation and support (caverns, galleries, shafts, balance chimneys)

- Management and valorisation of muck

- Manufacture and supply of concretes

- Concrete linings of adductions (shafts, HPinf, culotte, BP) including blindages

- Longrines of the overhead crane

- Concrete plugs

- Fore-shaft/shaft of the valve of the Upper Water Intake

- GC backfilling

- Water intake structures + grids