For the City of Gelsenkirchen we have cleaned the lake Africasee in the municipal zoo. This is a special environment with many visitors and animals, which may not be disturbed in any way.
We have used our smallest hydraulic electro cutter suction dredger to realise this very precise work. With innovative geotextile containers we have dewatered en contained the silt. The cleansed lake water was recycled to maintain the eco balance.