GERARDUS MERCATOR

Principal characteristics:
Name	Gerardus Mercator
Type	Trailing suction hopper dredger
Year of construction	1997
Owner	Ondernemingen Jan de Nul
Builder	IHC Holland

Dimension
Length overall	152.90m
Length bpp	142.30m
Beam	29.00m
Depth	13.10m
Draught, int. freeboard	9.54m
Draught, dredging mark	11.51m
Hopper capacity	18,000m³
Max. loading capacity	27,650 t
Deadweight at 11.51 m	29,150 t
Suction pipes diameter	1,200mm
Discharge pipe diameter	1,000mm
Dredging depth	35m / 50m / 55m / 105m / 112m

Power and Speed
Suction pumps, double-walled	2x 3,000kW
Discharge pumps power	14,000kW
Submerged dredgepump	3,200kW
Main engines	2x 9,450kW
Shaft generators	2x 4,500kW
Auxiliary engines	320kW
Harbour engine	3x 924kW
Jet pumps	2x 1,000kW
Bow thrusters	2x 1,000kW
Electric portal crane	45 t
Laden speed	15.5 knots

Accomodation	40 persons