Trinity Marine Group Awarded $5-Million Contract To Build Two Washington State Ferries

The Trinity Marine Group has been awarded a $5-million contract to build two high-speed 112-foot, 250-passenger ferries for the Washington State Department of Transportation.

The all-aluminum vessels are based on Trinity's proven monohulled designs that have successfully operated in sea and weather conditions worldwide.

The ferries, now under construction at Equitable Shipyards, Inc. in New Orleans, La., are both scheduled to be delivered in the summer of 1989 and begin passenger service shortly thereafter.

Upon completion of a new passenger ferry terminal at Vashon Island, ferry officials will inaugurate a passenger-only service between Vashon Island and downtown Seattle.

Bremerton residents will also benefit with a high-speed commuter of their own between Bremerton and Seattle. In addition to commuterhour service, both vessels will continue to operate their daily midday schedules as well as additional evening service to Bremerton and Vashon Island.

Each of the new high-speed ferries, with beams of 25 feet and drafts of 7 feet, will be powered by four Detroit Diesel 16V92TA diesel engines rated at 960 bhp at 2,100 rpm coupled to four ZF reverse reduction gears with a ratio of 2.5:1.

They will provide a cruising speed of 25 knots under normal conditions at full load displacement.

The ferries feature two enclosed decks providing excellent visibility and accommodations for the 250 commuter passengers.

A Ruud air-conditioning system with two separate water-cooled units operating in a split system arrangement will add to passenger comfort.

The pilothouse and wing stations feature a full complement of electronic communications and navigation equipment including a Cetek Benmar autopilot; Danforth Constellation compass; Corsair dual trumpet air horn; Furuno 151 radar; Icom VHF radio; ITT Makay PA system; Alphone intercom system; and a Henschel sound-powered telephone.

The ferries will be equipped with a three-station hydraulic steering system, pneumatic engine controls mounted in the pilothouse and each bridge wing, and a Murphy engine alarm panel installed in the pilothouse control console.

Electrical power will be supplied by two 60-kw generators driven by two Detroit Diesel 4-71 diesel engines.

The boats will be built to U.S.

Coast Guard requirements of subchapter "T", and certified under 100 gross tons. They will also be built to American Bureau of Shipping standards and will conform to Washington State and federal handicapped accessibility requirements.

Equitable Shipyards, Inc., builder of the ferries, is a part of Trinity Marine Group (owned by Trinity Industries, Inc. of Dallas, Texas) which operates a total of six shipyards.

For free literature giving complete information on the facilities and capabilities of Trinity Marine Group, Circle 52 on Reader Service Card

Maritime Reporter Magazine, page 38, Jan 1989

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