Trailing Suction Hopper Dredger (TSHD) GRT: 7,636

Vessel Type: Trailing Suction Hopper Dredger
NT: 2,290
DWT: 10,650 tons
Maximum Speed: 13 knots
Length Overall: 116.9 m
Width: 22 m
Molded Depth: 8.90 m
Main Engines: STX-MAN Diesel, 3500 kW, 750 rpm, 2 units
Propulsion: Controllable Pitch Propeller (CPP), 4-blade nozzle, 2 units
Generator: 425 kW, 3 units
Bow Thruster: 375 kW
Windlass Hydraulic Electric Motor: 2 units, 9 m/sec
Cranes: 12T x 15 m (bow), 10T x 18 m (stern), 0.9T x 6 m (left), 0.9T x 8 m (right)
Hopper Capacity (Mud Tank): 7,047 m³
Dredging Speed: 1–3 knots
Dredging Pumps: 2 units, 1,685 kW
Sand Pump Flow Rate: 12,000 m³/hr
Sand Pump Diameter: 900 mm
Sand Pumping Equipment: Mud Tanks, 14 sets
Bottom Discharge: Bottom (No.1 & 7 Compartment), two-stage opening 100 & 1,030 mm, other compartments fully open 1,030 mm
Bow Blow: 2,000 m (no shore booster pump)
Bow Jet: Rainbow—50 m
High-Pressure Flushing Equipment: 1,257 kW x 2, 3,240 m³/hr
Water Jet Pressure: 20 kg/cm²
Dredging System: Double winches, double pumps, double dredgers
Dredging Depth: effective 27 m
Production Capacity: Meter 2 (mud pump outlet)
Operating Water Depth: 9–27 m
Wind Speed Limit: below 13.8 m/sec
Wave Level Limit: below 5
Swell Wave Level Limit: below 3
Operating Area Requirement: 50 m from channel or offshore
Material Suitability: Sand, clay, silt
Unsuitable Material: Hardness >70 (crushed stone, pebbles, rocks)