Combinations of equipment or dredge chains

Construction of a hydraulic fill involves a number of consecutive phases  

Improvement of the existing subsoil may have to be undertaken prior to placement of the fill, but could also be carried out from the ground surface after (partial) placement of the fill above water level. 

Borrow Area Capital Dredging Maintenance dredging Plain suttion dredger Cutter suction dredger Trailing suction hopper dreclger 

F igure 4.10 Configurations of mechanical dredging and transport to the fill area. 

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