Gladding-Hearn Building N.Y. City Harbor Survey Boat

Gladding-Hearn Shipbuilding, The Duclos Corporation, Somerset, Mass., has begun construction of a harbor survey vessel for the New York City Department of Environmental Protection.

The shipyard is building the relatively compact 55-foot-long by 16- foot-beam, all-aluminum vessel for year-round use by a two-person crew and four scientists and technicians, who will study water and sediments found in the city's waterways and offshore, said company officials.

In addition to two bunks forward, a head and fully equipped galley, the vessel, designed by C. Raymond Hunt Associates of Boston, Mass., will feature a small laboratory equipped with a vacuum filtration system, incubators, refrigerators, freezers, laboratory countertops, safety shower and storage lockers and drawers. Two one-ton hydraulic, swivel cranes will be mounted on a large work deck aft to collect bottom samples.

The survey boat will be finished with Awlgrip®, which according to Peter Duclos, vice president of engineering at Gladding-Hearn, will require less maintenance and look better longer than a conventionally painted aluminum boat.

Scheduled for delivery in March 1991, the vessel will be powered by twin eight-cylinder 375-hp Detroit Diesel engines driving 30-inch fourbladed Nibral propellers through ZF IRM-320 PL-1 reduction gears.

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