Chavaroche Dam

Project owner EDF UP Alpes

Type of project Complete renovation

Project management for the complete renovation of the Chavaroche scheme (7.8 MW) and the construction of a small hydropower plant for turbining the reserved flow (90 kW).

Main technical features

Preparatory works (renovation of the bridge deck, road widening, replacement of handling equipment), renovation of the water conveyance structures, replacement of the trash rack, 3 penstocks ø 1,200 and ø 1,350, 3 double Francis turbines, 3 spherical valves, complete renovation of the 3 alternators, complete replacement of the control system and supervisory system. Archimedes screw ø 2.80 m with construction of a concrete fish pass.

Renovation, optimisation and maintenance