5500m3 Self-propelled Hopper Suction Dredgers

Specifications

5500m3 Self-propelled Hopper suction dredgers

Dimensions:

Length overall                            105.00 m

Length between b.p.                          95.20 m

Breadth moulded.                                 19.00 m

Depth moulded.                                8.00 m

Load draft./DWT                            7.24 m

Light draft./DWT                           4.80 m

Max. dig depth                       30m

GT/NT:                             3261/1826    

Speed at MCR:                     11.5 Knots

Speed at Working:                     7.0Knots

Endurance:                           15 days

Crew:                               36 persons

Number of Beds:                     38Pcs

Mud tank capacity:                    5500m³

Suction pipe dia.                      800mm

Discharge pipe dia.                   750mm

Discharge distance:                     1500m

Machinery

Main engines: 2 Sets GN8320ZC2B/3B, Rating Power 2500Kw*2/, Reduction gear box GWC52.56, rate:3.449:1. Main engine high flexible coupling: HGT6320IIID, Rate torque: 63kN.m. Main engine remote control: HC-8300(Y) . 

Bow Thruster: TT1300-CP, Dia. for blade isΦ1300mm, motor power 375kW.  

Generator sets: 3 sets x CCFJ450J-Z1, generator output power 450kw/, diesel engine output 540kW/.  

Emergency generator set: 1 set, CCFJ120Y-WE, generator output power 120kw/, diesel engine output 138kW/.  

Mud Suction Pumps: 2sets Breeman, import from Netherlands:, Capacity: 11880M3/h*2 for mud, Rev: 215rpm, pump head 21m. output power 1073kW*2. Capacity: 9146m3/h (bow blow)Rev 240r/min. pump head 34m(bow blow)14681073kW*2. Driven engine model:2sets* GA8300ZC16B, 2000KW*2, drive the pump by the reduction gear box GWC49.54, rate:2.4593:1. High flexible coupling: HGT6320IIID, Rate torque: 63kN.m. 

High pressure flush water pumps:  

2 sets * OTS400-6208, Capacity 2500m3/h*2, pump head 80m. Driven engine model:: 2sets* 8190ZLC. Rate power*rate: 720kW.

Fuel oil and exhaust gas boiler:LYF0.5/70-0.7/ rated evaporation capacity,fuel part: 500kg/h, exhaust gas part: 500kg/h

Engine room diesel oil separator: KYDR204CD-23, 2000l/h

Pump room diesel oil separator: KYDR204CD-23, 2000l/h

Engine room Lub. oil separator: KYDR204SD-23, 1200l/h

Pump room Lub. oil separator: KYDR203CD-23, 1000l/h

Outfittings

Drag heads: 2 Sets. DB Type. Can be disassembled and with the high pressure flush water. Hydraulic winches installed at the drag head, suction pipe middle joint and the elbow for lifting and lowering the suction piping.

Hopper doors: Total 16 PCs, Two lines. Cone-shape bottom opened door. Dia.2.46m. The doors can be opened and closed by the cylinder upper the doors.

Deck Crane:15t*15m/1set,8t*15m/1set

Navigation equipments: According to the Class Unrestricted

Radio station radio system                   1shipset

Fire pumps and water pumps                1shipset

Fire fighting equipments & fittings           1shipset

Life saving equipments & fittings            1shipset