CUTTER SUCTION DREDGER 550

Dredger Main Particulars

Type of dredger Cutter Suction Dredger
Pontoons 7 dismountable pontoons
Transport Dismountable on flat tracks
Suction pipe diameter 600 mm 24 inches
Discharge pipe diameter 550 mm 22 inches
Suitable for dredging material Clay, medium sand, and coarse sand
Dredging depth at 50 degrees 16 m 52.5 feet
Production 1,300 m³/hr 1,700 yd³/hr

Dredge Power Unit

Total installed power 1,523 kW 2,041 hp
Main engine power 954 kW 1,280 hp
Main engine speed 1,600 rpm
Auxiliary engine power 537 kW 720 hp
Auxiliary engine speed 1,800 rpm
Cooling system Boxcooler
Generator 40 kVA

Dredger Main Dimensions

Length overall including ladder 51.2 m 168 feet
Length over pontoons 39.1 m 128.2 feet
Width overall during operation 9.1 m 29.9 feet
Width during land transport 4.2 m 13.8 feet
Depth, main pontoon 2.75 m 9 feet
Depth, side pontoon 2.25 m 7.4 feet
Design draught 1.6 m 5.25 feet

Dredge Pump

Type DY550-500
Configuration Single-stage centrifugal pump
Position Inboard, mid-pontoon
Suction diameter 550 mm 22 inches
Discharge diameter 500 mm 20 inches
Spherical passage 250 mm 10 inches
Drive power 954 kW 1,280 hp
Pump speed 400 rpm

Dredge Cutter Head

Type DY2000-C Multi-purpose
Configuration Crown-type interchangeable teeth
Cutter diameter 2 m 6.56 feet
Cutter motor power 280 kW 375 hp
Cutter motor speed 0 – 30 rpm

Dredge Side Pull Winch

Type of winch Drum winch
Movement Swing 35 degrees to both sides
Number of winches 2 units
Wire pull 150 kN 33,721 lbs.
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 28 mm 1.1 inches
Swing range at min depth 50.7 m 166.3 ft
Swing range at max depth 42.9 m 140.7 ft

Ladder Hoisting Winch

Type of winch Drum winch
Number of Winches 1 unit
Wire pull 150 kN 33.7 kip
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 28 mm 1.1 inches

Anchor Hoisting Winch

Type of winch Drum winch
Number of winches 2 units
Wire pull 30 kN 6.7 kip
Hauling min. speed 10 m/min 32.81 ft/min
Drive Hydraulic motor
Wire diameter 13 mm 0.5 inches
Anchor Weight 1,000 kg 2.2 kip

Dredge Spuds System

Total spud length 21.2 m 69.5 ft
Outer spud diameter 813 mm 32 inches
Total spud weight 8,700 kg 19.1 kip
Hydraulic cylinder force 450 kN 101 kip
Cylinder stroke 1.75 m 5.7 ft

Spud Carrier Pontoon

AFT pontoon length 10.5 m 34.45 ft
AFT pontoon width 4.8 m 15.75 ft
AFT pontoon depth 2.75 m 9.0 ft
Spud carrier cylinder stroke 4.5 m 14.76 ft

Fuel System

Fuel type Diesel fuel
Tank capacity 50,000 liters 13,209 gallons

Operating Cabin

Total area 12.9 m² 139 ft²
Cooling Ventilation fan (a/c optional)
Lights 2x exterior light and 2x flood light
Additional Screen wiper
Instrumentations • Dredging depth indicator
• Discharge pressure gauge
• Vacuum pressure gauge
• Spud carriage position indicator

Deck Crane

Lifting capacity 35 kN 7.9 kip
Reach 4.2 m 13.8 ft