La Naval shipyard, of the Spanish shipbuilding group CNN builds a fall pipe type ship 

Last February La Naval shipyard, from Sestao, near Bilbao, launched the ship "Simon Stevin", of fall pipe type, having a double mission, rock dumping in water depths up to 1.700 m, and, at the other hand, deep water mineral mining. Rock dumping is devoted to marine works such as protection of submarine cables and pipes, sea bottom refilling in underwater works, etc.



This type of ship is a new one in Spanish shipbuilding and only a few of them are in operation worldwide.

La Naval from Sestao builds the world biggest suction trailing dredge

The dredge, named "Cristobal Colón", was contracted by the belgian company Jan de Nul Group, to be built by Constructores Navales del Norte (CNN) in their shipyard at Sestao, Spain, where, at present, they are ultimating her outfitting.

Main dredge particulars:

Cargo hopper capacity 46.000 m3
Deadweight 78.000 Tm
Total length 223,00 m
Breadth 41,00 m
Load draugth 15,15 m
Suction pipe diameter 1.300 mm
Maximum dredging depth 155,00 m
Propulsion power 2 x 19.200 Kw
Pumping output at dredging 2 x 6.500 Kw
Pumping output at discharging 16.000 Kw
Total diesel installed power 41.500 Kw
Speed 18 knots
Accommodations for 46

Here you can see some photos of the dredge in the yard