New Columbia Class Tug for Shaver Transportation

Power will be provided by two high-speed MTV/Detroit Diesel 16V4000 M61 main engines, each rated 2,680 bhp at 1,800 rpm. Each engine drives a Schottel SRP1215 360° azimuthing thruster with 94.5 inch diameter fixed pitch propeller.

Ship‐docking will be performed by a heavy duty Hawser winch from Markey Machinery, model no. DEPCF‐48, with a 50‐hp electric motor. The winch will be fit with 400 ft of 9-inch circumference Spectra/Plasma line in eight layers and will have a brake capacity of 400,000 lbs minimum, at the second layer. The rated pull is 22,150 lbs on the second layer at a speed of 67 ft per minute.

Capilano Maritime Design Ltd. is a naval architecture design firm based in North Vancouver, BC, Canada. Capilano Maritime specializes in the design of commercial workboats including tugs, barges, crew boats, dredges, offshore supply vessels, marine construction vessels and ferries, as well as providing general consulting services to the marine industry.

Length, o.a.    80 ft
Breadth, moulded    36 ft
Depth, moulded    14.3 ft
Draft, max.    17 ft
Power     5,360 bhp