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11,000m3 Self-propelled Trailing Suction Dredger
"TONG HENG"
Builder: China Merchants Heavy Industry(Shenzhen) Co.,Ltd.
Class: CCS
Design: Marine Design & Research Institute of China
Delivered: May.2012
Function: Double drag heads, habour and ship channel dredging, sea reclamation and coast maintenance.
Main Particulars

Hull

Length O.A.

131.2m

Lenth P.P.

121m

Breadth MLD

26.2m

Depth MLD

9.65m

Designed Draft

7.00m

Dredging Draft

8.35m

Light Draft

3.273m

Tank Capacity

Max. Hopper

14,500t

Total Hopper Capacity

11,000m3

HFO Tank

1,512 m3

MDO Tank

197.2 m3

Lub.Oil Tank

79.5 m3

Fresh Water Tank

313.4 m3

Dredging Equipment

ID of Mud Suction Pipe

1m x 2

Length of the dragpipe

Approx.45m(incl. Drag Head)

Width of the Drag Head

4,400mm

Weight of the Drag Head

~22t

Dredging Depth(Dragpipe to baseline 45°)

~30m

Dredging Depth(Dragpipe to baseline 55°)

~40m

Propulsion

 

Propulsion Engine

2 x 600rpmx6,600kW

Bow Thruster

2 x 500kW

Generator Set

Shaft Generator

2 x 2,500kW

Auxiliary/Harbour Genset

2 x 900kW

Emergency Genset

1 x 230kW

Max.Speed

15kn

DWT

15,590t

Deck Crane(removable)

1 x 30t

Endurance

8,000 Nautical Miles

Classification

★ CSA Trailing Suction Hopper Dredger,Dredging Within R2,PSPC(B).Ice class B,FTP
★ CSM MCC