Types of Dredging Equipments

Mechanical Dredgers:

BUCKET LADDER DREDGE
Depth : 8 – 30 Meters
Applied in almost all soils from mud, soft slit to blasted rock

GRAB / CALM SHELL DREDGE
Depth : below 20 Meters
Applied for soft clay, sand and gravel

DIPPER AND BACKHOE DREDGE
Depth : 10 – 25 meters
Applied for soft clay, sand and gravel

Hydraulic Dredgers:

PLAIN SUCTION DREDGE
Depth : max 100 Meters depends of the type of suction dredger
Suitable for non-cohesive soils

CUTTER DREDGE
Cutter suction dredgers are applied for dredging harbors, channels, reclamation areas and so on. Cutter dredger can dredge all kinds of soil.

TRAILING SUCTION HOPPER DREDGE
A self-propelled sea-going or inland vessel equipped with a hold, called hopper, and a dredging installation by which it can fill and/or empty the hopper.