The Nant de Drance pumped-storage power plant has an overall capacity of 900 MW. The power plant is located mostly underground at an altitude of 1,700 m above sea level between the two reservoirs of Emosson und Vieux Emosson. The machine cavern for the installation of the pump turbines with its length of 194 m, width of 32 m and height of 52 m is one of the largest subterranean structures in Europe.
ARGE GMI (Groupement Marti Implenia), Marti Tunnelbau AG and Implenia Bau AG
My compliments to the Swiss PERI team and to MCE for this extraordinary, customized formwork solution. With up to 300 m³ of concrete per section, we only had a minimum of deformations.