United States · North America · US PSM
Portsmouth
River (Natural) · Small harbour · North Atlantic Ocean
Port information
- Channel depth
- 9.4 m
- Anchorage depth
- 20.1 m
- Berth depth
- 9.4 m
- Tide range
- 2.4 m
- Max vessel draught
- —
- Water
- fresh
- Likely soil (estimate)
- Sand, Silt / mud, Gravel
- Position
- 43.083, -70.750
Dredgers that can do the job here
- TSHDTrailing suction hopper · Medium–jumbo (5,000 m³+)
Loose sand or silt in open water. Can work while ships keep moving and carry spoil long distances.
- WIDWater injection · Water injection
Cheap upkeep for fine silt in channels with a current.
- CSDCutter suction · Medium (400–550 mm)
Deepening work where spoil is pumped through a pipeline to land.
- PumpSubmersible pump · Submersible pump (DOP)
Deep spots out of reach of a standard cutter ladder.