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Jensen Maritime Completes Design Work for Corps of Engineer's Dredge Potter

Two Jensen-Designed Tugboats Commissioned at WorkBoat Show in New Orleans


Elizabeth B and Beverly B


(NEW ORLEANS; Jan. 5, 2011) ­- Two Jensen Maritime-designed tugboats, the Elizabeth B and Beverly B, were commissioned into the E.N. Bisso & Son Inc. fleet during last month's WorkBoat show in New Orleans.

The tugboats, which measure 96 feet in length and 34 feet in beam, are the fifth and sixth hulls of this class of tugs to enter service with Bisso. These Rolls-Royce US205MK2 Z-drive tugs are powered by twin Caterpillar 3516-C Series II main engines that produce a total of 4,000 BHP - driving Schottel ASD propulsion units - and are fitted with a Markey hawser winch forward and a Markey capstan aft.

"We appreciate the opportunity to be of service to Bisso," said Jonathan Parrott, Jensen's vice president of new design. "We are confident these vessels will suit the needs of the company and will have long and productive service lives."

These work boats are the latest in a line of tugs that Jensen has designed for Eastern Shipyard, which built the tugs in Panama City, Fla. Since 2001, 17 tugs of this class have entered service with a variety of operators and can be seen on the water from Galveston, Texas, to Portland, Maine. Installed power for this class of tugs has ranged from 4,000 to 6,000 BHP, with bollard pulls in excess of 75 short tons.

Seattle-based Jensen Maritime Consultants, Inc., is a naval architecture and marine engineering firm owned by Crowley Maritime Corporation. The company offers a diverse range of consulting, design and engineering services developed from 50 years experience working around the world. Jensen is a recognized leader in the design of all types of vessels--particularly work boats, fishing boats and passenger ferries--and has built a favorable reputation on a long history of successful designs and conversions with close attention to engineering basics. The company's services include detail and conceptual design and engineering, lofting, regulatory and shipyard liaison as well as on-site consulting services and on-location assistance anywhere in the world.

Visit www.jensenmaritime.com to learn more about Jensen.

Visit www.crowley.com to learn more about Crowley.

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