Great Lakes Dredge & Dock Other service
Cutter Suction Dredging
Cutter suction dredges with rotating cutter heads excavating sand, clay and rock for port improvements, channels, beach nourishment and coastal restoration.
Description
Cutter suction dredges use a rotating cutter head to excavate seabed material, which is pumped through pipelines to in-water or upland discharge sites. GLDD's cutter fleet handles highly consolidated sand, clay and rock and is certified for offshore, near-shore and inland work.
Key features
- Fleet: Texas, Ohio, Carolina, Illinois and Alaska, all Coast Guard inspected
- 34 in (864 mm) suction and 30 in (762 mm) discharge diameters
- Total installed power from 11,300 hp to 18,300 hp (Ohio, 13,650 kW)
- Texas: 355 ft (108.2 m) long, dig depth 15 to 94 ft (4.6 to 28.7 m)
Applications
- Port improvements and navigation channels
- Beach nourishment and coastal restoration
- Rock and consolidated material excavation
Specifications
| Suction diameter | 34 in (864 mm) |
|---|---|
| Discharge diameter | 30 in (762 mm) |
| Texas length | 355 ft (108.2 m) |
| Texas dig depth range | 15 to 94 ft (4.6 to 28.7 m) |
| Ohio total installed power | 18,300 hp (13,650 kW) |
More from Great Lakes Dredge & Dock
- Subsea Rock Installation (Acadia)
- Trailing Suction Hopper Dredging
- Mechanical Dredging
- Rivers, Lakes & Reservoirs Dredging
- Booster Pumping
- Subaqueous Drilling & Blasting (Drillboat Apache)
- Support Fleet: Tugs, Workboats, Multicats & Auxiliary Vessels
- Channel & Port Maintenance and Deepening
- Coastal Protection & Restoration
- Land Reclamation
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