The technical data and the scope of supply of the ship technical specification setapplies to a ship double composite drive, the oars with diversion cover, double rake, single deck, steel welding streamlined, bulbous bow, nominal tank capacityin the 12000m3 grade, trailing suction hopper dredger, mainly located in the coastal and river estuary port, waterway dredging, reclamation.

    Trailing suction hopper dredger worked most of the time in the shallow water area.In the shallow waters of the efficient operation of dredger, must pay close attention to the ship's propulsion performance, vibration, noise, wave ability, airworthiness,course keeping ability, sail trim by stern and dynamic balancing problems.

     Stern double tail fin design optimization of propeller flow, improve the propulsion performance, avoid vibration.

     This design uses the static trim by the stern, avoid ship in shallow waters because of his phenomenon raked bow.

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