20’’ x 18’’ IHC CUTTER SUCTION DREDGE
– Principal particulars
– Length overall, ladder raised : 33.20 m
– Length over pontoons : 22.00 m
– Breadth : 7.95 m
– Depth : 2.46 m
– Main pontoon: 13.00 x 2.95 x 2.46m
-Side pontoons: 20.00 x 2.44 x 2.44m
– Mean draught with full bunkers approx. :1.50 m
– Maximum standard dredging depth :19.00 m
– Internal diameter of suction tube :550 mm
– Internal diameter of suction and
discharge pipes: 500mm
– Total dry weight approx. :145 t
– Dredge pump
Type IHC 1250-275-500, double walled
– Power at shaft : 922 kW (1,254 hp)
Prime mover: Caterpillar 3512 B-SCAC developing 954kW
(1,297hp) continuous power at 1,600rev/min
Specific fuel consumption 202g/kWhr
Dredge pump driven via combined pump block/reduction
gearbox
Auxiliary power
(cutter, winches, spuds)
Caterpillar 3406 CJWAC developing 345kW (469hp)
medium duty power at 1,800rev/min
Specific fuel consumption 208g/kWhr
Electrical installation
– Voltage :24 V
– Capacity :440 Ah
– Voltage (50 Hz) :220/380 V AC
– Capacity :12.50kVA
– Cutter
Type IHC 10-CB-AL-1455-180
– Power at shaft :170 kW (230 hp)
– Diameter :1,455 mm
Maximum speed :30rev/min
Winches
(ladder winch / swing winches)
– Line pull, 1st layer :100 / 90 kN
– Max. line speed :20 / 20 m/min
– Wire diameter : 24 / 24 mm
– Drum diameter :445 / 445 mm
All winches have independent hydraulic drive
The two swing winches are supplied with wires of 100m and
anchors of 720kg
Spuds
– Length (approx.) :18.50 m
– Diameter :559 mm
– Weight (approx.) :5,250 kg
Spud hoisting rams
– Force : 254 kN
– Ram stroke :2.10 m
– Spud stroke (each time approx.) :3.35 m
Swing width with 35° swing each side
– At max. dredging depth : 30.00 m
– At min. dredging depth :37.50 m
Deck crane
– Lifting power :30 kN
– Outreach :3.25m