![]() The dredged material is discharged into the transport barge. The filled bucket is positioned above the barge by rotating the excavator on the turntable. When the bucket is full, an upward movement of the boom and stick lifts the bucket above the water to start swinging. The bucket excavates soil in a combined backward and upward movement of the boom, stick and bucket. A transport barge is moored alongside the backhoe dredger. ![]() The backhoe dredger is anchored firmly with three spuds. The backhoe dredgers can dredge a wide range of materials very precisely and they operate mainly in shallow and enclosed waters. Backhoe dredgers (BHDs) are stationary dredgers with a hydraulic excavator installed on a pontoon. ![]()
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