Fish lift

Project owner EDF UP Est

Type of project Construction of a fish lift

Installation of a fish lift with a gross height of 11 m and an attraction flow rate of 750 l/s, enabling fish passage at the dam.

Main technical features

10 m-high, 5-ton upstream cofferdam; 2 successive basins with double slots and covered with grating (2.5 x 3.5 m), plus a holding basin; trapping cage; watertight plug; fish entrance consisting of a reinforced-concrete wall and an 80 cm-wide notch; tubular piles with a diameter of 0.8 m, drilled to a depth of 9.75 m; fish observation and counting station.