CSD 250

CSD 250

  • Depth 8 m
  • Power 260kW – 350hp
  • Production 260 cub/hr
  • Suction pipe 250mm / 10 inch
  • Discharge pipe 250mm / 10 inch

DREDGER MAIN PARTICULARS

Type of dredger Cutter Suction Dredger
Pontoons 3 dismountable pontoons
Transport Inside 4 containers
Suction pipe diameter 250 mm 10 inch
Discharge pipe diameter 250 mm 10 inch
Suitable for dredging material clay, medium sand and coarse sand
Dredging depth at 45 degrees 8.0 m 26.0 ft
Production 260 m³/hr

POWER UNIT

Engine power 260 kW 350 hp
Engine speed 1,800 – 2,100 rpm
Cooling system Seawater cooling

DREDGER MAIN DIMENSIONS

Length overall including ladder 20.5 m 67.2 ft
Number of pontoons 3 dismountable
Length over pontoons 14.2 m 46.6 ft
Width overall during operation 5.3 m 17.4 ft
Width during transport 2.3 m 7.5 ft
Depth, main pontoon 1.66 m 5.4 ft
Depth, side pontoon 1.25 m 4.1 ft
Design draught 0.75 m 2.5 ft

DREDGE PUMP

Type DY250-250
Configuration Single-stage centrifugal pump
Position Inboard, mid-pontoon
Suction diameter 250 mm 10 inch
Discharge diameter 250 mm 10 inch
Spherical passage 125 mm 5 inch
Impeller number of vanes 3
Drive Motor power 261 kW 350 hp
Drive Direct drive through a sigle stage gearbox
Pump speed  825 – 975 rpm
Wear material Wear resistant cast iron
Gearbox Single-stage, vertical offset
Shaft seal Mechanical seal

DREDGE CUTTER HEAD

Type DY9000-C Multi-purposed
Configuration Crown type interchangeable teeth
Cutter Diameter 0.9 m 3.0 ft
Cutter motor power 35 kW 47 hp
Cutter motor speed 0 – 40 rpm
Cutting system 3 replaceable cutter teethNarrow, pick points and chisel type

DREDGING WINCH

Type of winch Drum winch
Movement Swing 35 degrees to both sides
Number of winches 2 unit
Wire pull 40 kN 8,820 lbs
Hauling speed 0 – 15 m/min 0 – 49 ft/min
Drive hydraulic motor
Wire diameter 16 mm 0.63 inch
Swing range at min depth 22.8 m 74.8 ft
Swing range at max depth 18.9 m 62 ft

LADDER HOISTING WINCH

Type of winch Drum winch
Number of Winches 1 unit
Wire pull 40 kN 8,820 lbs
Hauling speed 0 – 15 m/min 0 – 49 ft/min
Drive Hydraulic motor
Wire diameter 13 mm 0.5 inch
Anchor weight 230 kg 507 lbs

DREDGE SPUDS

Total spud length 10.2 m 33.4 ft
Outer spud diameter 324 mm 12.7 inch
Total spud weight 1,200 kg 2,2646 lbs
Cylinder lifting force 55 kN 12,127 lbs
Cylinder stroke 1.25 m 4.1 ft

FUEL

Fuel type Diesel fuel
Tank capacity 3,500 liters 925 gal

OPERATING CABIN

Total area 3 m² 32.3 sq-ft
Cooling Ventilation fan (a/c optional)
Lights 2x exterior light and 2x flood light
Additional Screen wipers
Instrumentations
  • Dredging depth indicator
  • Discharge pressure gauge
  • Vacuum pressure gauge