Reservoir, lake and dam dredging

Reservoir dredging, lake dredging and dam dredging is used to restore these water sources to their full capacities. Throughout the years, hydro-power dams, reservoirs and freshwater lakes retain and accumulate quantities of sandy deposits in or behind them. As a result, sediments diminish the total water reserve capacity of the plant. This is called sedimentation. If not maintained, sediments can reach the water outlets and thus, cause severe wear damage to the turbines. Therefore, regular dredging is required.

Reservoir dredging equipment

Type of dredging equipment used for reservoir dredging, lake dredging and dam dredging depends on a variety of factors on site. Namely, water depth, accessibility and type of material, play an important role in the decision making process. Sediments in lakes and reservoirs mainly consist of clay, silt and varied sizes of sand. It can also contain chemical precipitates, organic debris and often, combinations of these. Therefore, it is vital to analyze project location and requirements before selecting the type of dredger for the project.

Our standard dredger series includes one truck transportable ECO Cutter Suction Dredgers and one container transportable ECO Auger Dredgers. Compact ECO dredger design allows for easy and economic dredger transport to project site. In addition to this, the dredger can be easily removed from water and stored for later use.

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Our dredgers

for reservoir, lake and dam dredging

Auger Dredger 200 auger head

Auger ECO 200

Length over pontoons:9 m
Design draft:0.60 m
Auger head power:15 kW
Dredging depth (45°):8 m
Cutter Suction Dredger 300 cutter head

Cutter ECO 300

Length over pontoons:11.5 m
Design draft:0.78 m
Cutter head power:35 kW
Dredging depth (45°):6 – 8 m

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Dredge Yard Netherlands
Weena 750
Rotterdam, Netherlands
Tel. +31 85 3035 866

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