30-inch Cutter Suction Dredgers Cutter Diameter: 2.56 m 8.4 feet

30-inch Cutter Suction Dredgers
Year Built: 2010

Classification Society / Class: CCS (China Classification Society)
Length Over All: 70 m 230 feet
Hull Length: 48 m 157 feet
Hull Width: 12 m 39 feet
Hull Depth: 3.3 m 11 feet
Mean Draft: 1.6 m 5.2 feet
Dredging Depth: 12 m 39 feet
Discharge Distance: 3,000 m 9,842 feet
Light Ship Weight: approx. 550 – 600 tonnes
Accommodation: Beds for 16 seaman (Acoustic Treatment)，Kitchen, Bathroom,etc.

Inboard Dredging Pump
Jiangsu HUAXIA
Type: Warmam technology in Australia
Water Flow: 8,500 cubic meters/hr 11,118 cubic yards/hr
Inner diameter of Suction: 800 mm 31 inches
Inner diameter of Discharge: 750 mm 30 inches
Lift head: 75 m 246 feet

Main Engine
Make/Model: Niigata / 8MG28HX (Year produced, 2000)
Power @ 750 RPM 2,427 kW 3,300 hp

Auxiliary Engines for Hydraulic System and Generators
Auxiliary Engine (#1):
Make/Model: Caterpillar / C18 Acert
Power: 447 kW 600 hp
Auxiliary Engine (#2):
Make/Model: Cummins / NTA855
Power: 186 kW 250 hp
Auxiliary Engine (#3):
Make/Model: Shanghai / 6135D
Power: 224 kW 300 hp
Auxiliary Engine (#4):
Make/Model: 12V280ZC/D
Power @ 1,000 RPM 373 kW 500 hp

Harbor Engine Generator Set
Make/Model: Shanghai / 6135
Power: 56 kW 75 hp
When Parked For the whole dredger Power source

Cutter Head
Cutter Diameter: 2.56 m 8.4 feet
Input/Output Cutter Power: 1,050 kw/840 kw 1,408 hp / 1,126 hp
High manganese steel material
Cutter Blade: 5 Pieces, Cutter teeth replaced Easily
Cutter Speed: 0-36 RPM, International Standard
Cutter Drivers: Hydraulic Motor

Bridge Hydraulic Winch
1 set, Rated pull force: 500KN, speed: 0~2- m/min., with 1 set full closed blocks – Electromotor Drivers

Crab Winch
2 sets, Rated pull force: 450KN, speed: 0~2- m/min., with 2 sets full closed cross blocks – Electromotor Drivers

Spuds (2 sets)
Spud Diameter: 1,200 mm 47 inches
Spud Length: 30m/set 98 feet/set

Cantilever Crane
50 mt SWL: 80KNx8m
Power: 180 kW 241 hp

Operation System
Spray Painting Technology: 3 Layer Spray Painting, Prevent Corrosion
Fire Fighting Equipment: Fire extinguishers, fire hydrant
Life-saving Equipment: Life jackets, life buoy, life raft
Communication Equipment: VHF, Walkie-talkie
Monitoring Equipment: Remote Monitoring
Operation Room: PLC Console, Special Seat for driver and air conditioning Etc.

Auxiliary Equipment
Two general service pumps
Two bilge pumps
Fuel oil separator
Two ballast pumps
Three lubrication oil pumps
Working air compressor
Oily water separator (15 p.pm)
Fire pumps
Two fuel oil transfer pumps
Two lubricating oil separators
Two fans for engine room port side and starboard side
Two daily drinking water high pressure pumps
Three fresh water pumps for engine cooling
Three Sea water pumps for engine cooling
Two fans for pump room

Hydraulic Pump Station
Alarm device for oil level and oil temperature in oil tank, and displayed in the controlling room
Oil drain hole and manhole in oil tank
Hydraulic pump is driven by diesel generator, while supporting pump by electricity
Control panel
Switches and movement display
Winch’s speed adjustment device
System hydraulic display
Hydraulic system alarm
GPS navigation system
VHF FM Marine Mobile Radio
Navigation light equipment 220V 50HZ and 24V
(double complete water tide 55c IP55)

Control Main Engines and Alarm System
Control dredger (auto – manual) system
Steering gear control (auto – manual) system with emergency
Fire alarm system (auto -test manual)

Tanks
a- Fuel oil tanks
b- Fresh water tanks
c- Lubrication oil tanks
d- Ballast tanks
e- Dirty oil tanks