Hopper Cristóbal Colón launched on 4 July 2008

Nineteen months after placing the order of the trailing suction hopper dredger ‘Cristóbal Colón’ with the shipyard Construcciones Navales del Norte in Sestao (Spain), the vessel was launched on 4 July 2008.

This mega hopper with a hopper capacity of 46,000 m³ is by far the largest of its type, being almost 40% larger than the 33,000 m³ Vasco da Gama, the present record holder. The vessel is equipped with two suction pipes, with a diameter of 1,300 mm, and equipped with electrically driven underwater pumps, with a power of 6,500 kW each, enabling dredging down to water depths of 155 m. Discharging is possible by means of two electrically driven shore discharging dredge pumps, with each 8,000 kW power. Fully loaded, carrying up to 78,000 tons of sand, the ‘Cristóbal Colón’ will sail at a speed of 18 knots. All this results in a very performant vessel, offering an economic solution for the execution of major dredging and land reclamation jobs.

The godmother of the vessel, Mrs. J.F.J. De Nul-De Ryck, mother of Mr. Jan Pieter De Nul and Mr. Dirk De Nul, actual Directors of the company Jan De Nul Group, and widow of Mr. J.F.J. De Nul, the founder of this company, cut the ribbon holding the traditional Champaign bottle, wishing the vessel and its crew a safe and prosperous journey. The bottle crashed, and accompanied by the sound of the horns of nearby vessels in the harbour, the ‘Cristóbal Colón’ slid into the water.

Now the 'Cristóbal Colón' is launched, the construction of its twin vessel, the 'Leiv Eiriksson', can start. Delivery of this vessel is foreseen in 2009.

Main characteristics:

Hopper capacity: 46,000 m³
Deadweight: 78,500 tonnes
Length o.a.: 223.0 m
Breadth: 41.0 m
Maximum dredging depth: 155 m
Draught loaded: 15.15 m
Suction pipe diameter: 1,300 mm
Pump power (trailing): 2 x 6,500 kW
Pump power (discharging): 16,000 kW
Propulsion power: 2 x 19,200 kW
Total installed diesel power: 41,650 kW
Speed: 18.0 kn
Accommodation: 46 persons