Underwater Placement in Bulk of Fill Material
Underwater placement of fill is usually performed by trailing suction hopper dredgers and barges by opening their bottom doors or by split hull vessels.
Underwater Drilling & Blasting
“Facts About Underwater Drilling & Blasting” describes when explosives are necessary to dredge rock and the techniques used to drill and blast effectively.
Underwater sound created by dredging equipment below the water surface can impact marine life and requires careful evaluation and monitoring.