Out Port Dredging Services
1st July 2015

Westport Harbour, NZ operates the Trailer Suction Dredge “Kawatiri” which is available for out port dredging. 

This highly maneuverable vessel boasts an economical jet-water suction system and a hopper capacity of 635m3.  It also has a clamshell grab of 1.2m3 with a grab depth of 15m CD.  With our highly trained and experienced crew you can be assured of top quality service and results which provide real value for money.  Please contact us for pricing on all NZ capital and maintenance dredging projects.

Current specifications are below:

Launched Oct 79 Propulsion: Twin Screw, Fixed Prop

GRT 1001 Bow Thruster 200 HP

Length 55m Machinery: 2 x 6Cyl Mirlees Blackstone 470 hp each

Breadth 12m Alternators: 2 x 4Cyl Mirlees Blackstone 225 hp each

Draft Loaded 4.1m

Draft Light 3.2m A & 1.8m F

Speed 10 kts

Suction Pipe: 1 x 15m Trailing pipe  500 mm

Dredge Depth app 10.5m CD

Hopper Capacity 635m3

Jet Water Dilution Cummins Diesel providing 120 psi at Draghead Nozzles

1 x Hitachi Crane SWL 5 T

Clamshell Grab 1.2m3

Grab Depth app 15m CD

Dynamic Grab Dredging or 4 point mooring

HydroPro Dredging package installed for accurate dredging information, recording and monitoring of workings

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