TUGS, WORKBOATS & MULTICATS
CUTTER SUCTION DREDGES

DREDGING EQUIPMENT

Trailing Suction Hopper Dredges

Trailing Section Hopper Dredges are self-propelled, self-loading dredging ships designed to excavate and load seabed material into a self-contained hopper, through trailing drag arms and pumps for transport to a disposal site. Hopper dredges are best suited for conditions that preclude the use of mechanical clamshell or cutter dredges, notably in busy navigation channels and open ocean borrow areas far from designated placement sites. GLDD’s hopper fleet is certified for coastal or ocean waters and well-suited to work in challenging sea conditions beyond the capacity of other dredging equipment. GLDD employs this versatile fleet on all types of dredging projects, including capital channel improvement, channel and port maintenance, beach nourishment, and coastal restoration works.

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Ellis Island

Liberty Island

Dodge Island

Padre Island

Galveston Island

Ellis Island

U.S. Coastwise Qualified

Length: 480 ft (146.3 m)
Breadth: 92 ft (28 m)
Depth: 36 ft (11 m)

OPERATING PARAMETERS

Nominal Digging Depth: 122 ft (37.2 m)
Suction Diameter: 2 @ 36 in (2 @ 914 mm)
Discharge Diameter: 36in (914 mm)
Hopper Capacity: 14,800 yd³ (11,315 m³)

TOTAL INSTALLED POWER

28,625 hp (21,346 kW)

Liberty Island

U.S. Coastwise Qualified

Length: 315 ft (96 m)
Breadth: 59 ft (18 m)
Depth: 28 ft (8.5 m)

OPERATING PARAMETERS

Nominal Digging Depth: 108 ft (32.9 m)
Suction Diameter: 2 @ 31.5 in (2 @ 800 mm)
Discharge Diameter: 30 in (762 mm)
Hopper Capacity: 6,540 yd³ (5,000 m³)

TOTAL INSTALLED POWER

15,566 hp (11,612 kW)

Dodge Island

Length: 281 ft (85.6 m)
Breadth: 52 ft (16 m)
Depth: 21.5 ft (6.6 m)

OPERATING PARAMETERS

Nominal Digging Depth: 70+ ft (21.3+ m)
Suction Diameter: 2 @ 27 in (2 @ 686 mm)
Discharge Diameter: 24 in (610 mm)
Hopper Capacity: 3,600 yd³ (2,754 m³)

TOTAL INSTALLED POWER

Total Installed Power: 10,695 hp (7,978 kW)

Padre Island

U.S. Coastwise Qualified

Length: 281 ft (85.6 m)
Breadth: 52 ft (16.7 m)
Depth: 21.5 ft (6.6 m)

OPERATING PARAMETERS

Nominal Digging Depth: 70+ ft (21.3+ m)
Suction Diameter: 2 @ 27 in (2 @ 686 mm)
Discharge Diameter: 24 in (610 mm)
Hopper Capacity: 3,600 yd³ (2,754 m³)

TOTAL INSTALLED POWER

Total Installed Power: 9,895 hp (7,382 kW)

Galveston Island

U.S. Coastwise Qualified

Length: 346.5 ft (105.62 m)
Breadth: 68.83 ft (21 m)
Depth: 23 ft (7 m)

OPERATING PARAMETERS

Nominal Digging Depth: 100 ft (30.5 m)
Suction Diameter: 2 @ 31.5 in (2 @ 800 mm)
Discharge Diameter: 30 in (762 mm)
Hopper Capacity: 6,330 yd³ (4,840 m³)

TOTAL INSTALLED POWER

16,365 Hp

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