Bollinger sea trials new generation Crowley tug

bollinger clipAUGUST 6, 2012 — Bollinger Shipyards has released video showing sea trials of the first of four Ocean class tugs under construction for Crowley.

The Ocean class towing vessel is a new design that is a combined effort from Bollinger's engineering department, Crowley subsidiary Jensen Maritime Consultants and Crowley's Vessel Management Services.

With a length of 146 ft (44.4m), breadth of 46 ft (14m) and depth of 26 ft (7.92m), the Ocean class vessels feature dynamic positioning (DP-1) and are powered by twin Caterpillar C-280-12 Tier II engines, developing 10,880 BHP and with ability to be upgraded to Tier III or IV, to meet future environmental standards.

The vessels are outfitted with twin-screw, controllable-pitch propellers in nozzles and high lift rudders for a combination of performance and fuel economy for towing and anchor handling. All tanks containing liquids are inboard of the side shell. The vessels are classed Maltese Cross A-1, Towing and AMS, USCG, SOLAS (Safety of Life at Sea) and American Bureau of Shipping (ABS), Fi-Fi 1 firefighting standards, Green Passport, International Load Line Certificate.

The design also features ergonomic accommodations and comforts proven to minimize fatigue and reduce injuries of the crew.

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