Dredges and Dredging Equipment

File 100221-DH

IMS 7012 12 inch Auger Dredger
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IMS 7012 - 12 inch Auger Dredger

The Model 7012 HP Versi-Dredge was built in 2007, it is ideal for rivers, lakes, beach projects, port projects, and production sand mining. The Starwheel Drive system allows the dredge to be completely self-propelled. It has less than 1,300 hrs and was recently fully serviced, including re-building of all pumps and cleaning all systems (hydraulics), filters and new oil. The Dredger is currently Dry Docked and is ready to go back into service.  The current owner purchased it new, it has never been abused.  No pipe or floats.

Located in Belize City

Price for Dredger: USD $ 325,000


Technical Details
Principal Dimensions and Characteristics
  Length Over All: 15.7 m 51.5 feet
  Width: 3.66 m 12 feet
  Height: 3.2 m 10.5 feet
  Weight: (less fuel) 21,410 Kg 47,200 lbs
Flotation
  Pontoons:
  Two (2) pontoons: 1,143 mm x 1,092 mm x 11,887 mm 45 in. x 43 in. x 468 in.
  10 ga. steel sides and bottom w/ 1/4" diamond deck; internal bulkheads and stiffeners; and painted w/ a
marine grade epoxy-urethane paint.
  Displacement: 27,400 kg 60,500 lbs.
  Draft: 889 mm 35 inches
Dredging Capacity
  Dredging Depth: 9.1 m 30 feet
  Cut: 135 in. (3,430 mm) wide x 26 in. (660 mm ) deep
Engine
  Make/Model: John Deere Diesel / 6135HF070 (6 cylinder)
  Power : 317 kW 425 hp
  Fuel Capacity: 1,516 liters 400 gallons
  Fuel Consumption: 79.4 liters/hr 20.6 gallons/hr
Hydraulic Systems
  Circuit #1: (Slurry Pump): 7.9 in3/rev. 80 gpm (5.05 liter/sec.) @ 5,500 psig
  Circuit #2: (Cutterhead, Boom, Winches and Starwheels) 7.9 in3/rev. load sense, 72 gpm (4.54 liter/sec.) @ 2,500 psig
  Reservoir: 454 liters 120 gallons
  Filtration: (one) 1 tank mounted return filter with a 10 micron (min.) rating with a indicator & cab warning light. Slurry pump circuit remote charge filter 6-micron (min.) rating with an indicator & cab warning light. Filter with water removal capability are optional.
Dredge Pump
  Make/Model GIW Cast Iron/LCC-M 250-660
  Discharge Diameter: 254 mm 10 inches
  Suction Diameter: 304 mm 12 inches
  Impeller Diameter: 660 mm 26 inches
  Pump Performance: 5,000 gpm (315 liter/sec) @ 125 ft. (38.1 m)
    TDH (slurry s. g. 1.25) @ 760 rpm w/2,000 ft (609 m) discharge length
  Speed (variable): 0 tp 760 rpm
Cutter Head
  Diameter: 660 mm 26 inches
  Length: 3,430 mm 135 inches
  Replaceable hardened steel excavator blades; available with paddlebar for materials that are easily slurried.
  Drive: Recessed dual hydraulic motor; direct drive with no gear reduction.
  Speed (variable): 0 to 95 RPM @ 2,500 psi
  Torque: 23,885 in-lbs (2,969 N-m) @ 2,500 psi (peak)
  Cutter Tip Force: 1,837 lbs. (8,171 N)
Controls
  Electronic joystick controls are provided in a climate controlled cab.
Propulsion
  Make/Model: Starwheel* Drive Self-Propulsion system; cable drive optional.
Starwheels* are individually operated for high maneuverability.
  Speed (variable): 0 to 15 RPM (starwheel drive)
    0 to 55 fpm (cable drive)
Electric System
  Voltage: 12 volt, negative ground
  Alternator Output: 130 Amp
Corrosion Protection            
  Standard paint: Superstructure and hull are sandblasted and painted with two coats of marine epoxy suitable for saltwater service. A self healing zinc clad undercoating is applied to above deck surfaces. The cab is made with galvaneal steel. Submerged surfaces are top coated with two coats of anti-fouling paint. Average paint thickness is 12 mils minimum.
Cathodic Protection            
  Standard

All details on these pages are given in good faith and are believed to be accurate but no warranty of accuracy or completeness or suitability for purpose is either stated or implied. Prices are subject to change without notice.


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