CUTTER SUCTION DREDGER 500

Dredge Main Particulars

Type of dredger Cutter Suction Dredger
Pontoons 7 dismountable pontoons
Transport Dismountable on flat tracks
Suction pipe diameter 550 mm 22 inches
Discharge pipe diameter 500 mm 20 inches
Suitable for dredging material Clay, medium sand, and coarse sand
Dredging depth at 50 degrees 15.0 m 49.0 ft
Production 1,100 m³/hr 1,439 yd³/hr

Dredge Power Unit

Total installed power 1,520 kW 2,037 hp
Main engine power 1,040 kW 1,394 hp
Main engine speed 1,800 rpm
Auxiliary engine power 448 kW 600 hp
Auxiliary engine speed 1,800 rpm
Generator power 40 kVA
Cooling system Boxcooler

Dredger Main Dimensions

Length overall including ladder 44.6 m 145.6 ft
Number of pontoons 7 dismountable
Length over pontoons 32.0 m 105 ft
Width overall during operation 8.3 m 27.2 ft
Width overall for land transport 3.5 m 11.5 ft
Depth, main pontoon 2.5 m 8.2 ft
Depth, side pontoon 2.0 m 6.6 ft
Design draught 1.4 m 4.6 ft

Dredge Pump

Type DY500-450
Configuration Single-stage centrifugal pump
Position Inboard, mid-pontoon
Suction diameter 500 mm 20 inches
Discharge diameter 450 mm 18 inches
Spherical passage 225 mm 9 inches
Impeller number of vanes 3
Drive power 1,040 kW 1,394 hp
Drive Direct drive through a single-stage gearbox
Pump speed 400 – 600 rpm
Wear material Wear-resistant cast iron
Gearbox Single-stage, vertical offset
Shaft seal Mechanical seal

Dredge Cutter Head

Type DY1800-C Multi-purposed
Configuration Crown-type interchangeable teeth
Cutter diameter 1.8 m 5.9 ft
Cutter motor power 185 kW 248 hp
Cutter motor speed 0 – 35 rpm
Cutting system Replaceable (narrow, pick-point, chisel type)

Dredge Side Pull Winch

Type of winch Drum winch
Movement Swing 35 degrees to both sides
Number of winches 2 units
Wire pull 120 kN 26,977 lbs
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 24 mm 0.9 inches
Swing range at min depth 48.4 m 158.8 ft
Swing range at max depth 41.2 m 135.1 ft

Ladder Hoisting Winch

Type of winch Drum winch
Number of winches 1 unit
Wire pull 120 kN 26,977 lbs
Hauling speed 0 – 20 m/min 0 – 66 ft/min
Drive Hydraulic motor
Wire diameter 24 mm 0.9 inches

Anchor Hoisting Winch

Type of winch Drum winch
Number of winches 2 units
Wire pull 25 kN 5,620 lbs
Hauling min. speed 10 m/min 33 ft/min
Drive Hydraulic motor
Wire diameter 12 mm 0.5 inches
Anchor weight 500 kg 1,100 lbs

Dredge Spuds System

Total spud length 19.5 m 64.0 ft
Outer spud diameter 610 mm 24 inches
Total spud weight 7,000 kg 15,400 lbs
Hydraulic cylinder force 300 kN 67,443 lbs
Cylinder stroke 1.6 m 5.2 ft

Spud Carrier Pontoon

AFT pontoon length 7.0 m 23.0 ft
AFT pontoon width 4.5 m 14.8 ft
AFT pontoon depth 2.5 m 8.2 ft
Spud carrier cylinder stroke 3.6 m 11.8 ft

Fuel System

Fuel type Diesel fuel
Tank capacity 22,000 liters 5,800 gal

Operating Cabin

Total area 4.4 m² 47.4 sq ft
Cooling Ventilation fan (A/C optional)
Lights 2x exterior lights and 2x flood lights
Additional Screen wipers
Instrumentations
  • Dredging depth indicator
  • Discharge pressure gauge
  • Vacuum pressure gauge
  • Spud carriage position indicator

Deck Crane

Lifting capacity 25 kN 5,500 lbs
Reach 3.6 m 11.8 ft