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John W. Gilbert Associates |
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John W. Gilbert Associates has received approval by the American Bureau of Shipping (ABS) and the United States Coast Guard (USCG) for all We are in the process of finishing all construction documents for a 140 x 36 x 11 6 river tow boat. Ten (10) vessels are slated for construction. Five (5) are to be powered with Caterpillar C-280-6 engines coupled to Lufkin RS 2020 reduction gears. The remaining five (5) vessels will be powered by EMD 12-710 coupled to twin disc MGN-5023 reduction gears. JWGA has also signed an agreement for the production of bidding and construction plans for two classes of Push Boats. Vessels will measure 120 x 35 x 11 6 and 160 x 44 x 11-6. The 120 boats will be powered by Caterpillar 3512s rated, 1911 horsepower @1600 rpm, coupled to twin disc MGX 5600 DR. The 160 boats will be powered by EMD 12-710 rated, 3000 horsepower @900 rpm, coupled to twin disc, MGN-5023 Z reduction gears. JWGA has signed an agreement with a Seafood West Virginia Scallop Company for the creation of bidding and construction plans of a 92 L.O.A. Scalloper. The vessel will be arranged for processing scallops and freezing its catch on board the vessel and will be powered with a CAT 3508 rate 1100 h.p. engine.
John W. Gilbert Associates is also in the process of plan development of the lengthening, repowering and gross tonnage reduction of the passenger vehicle ferry Plattsburg. The primary purpose of the retrofit is for an increase in freight deck capacity, improved loading characteristics and classing from a subchapter H vessel to a subchapter K vessel. Bids and construction documents are slated for completion in the latter part of 2007. The tug Ivory Coast is being modeled for a review of her capacity to meet the tow line criteria. The vessels Owners wish to carry a larger towing machine, increase horsepower and replace ballast water tanks for fuel oil to increase endurance. If you are interested in some of our past projects, we have a few to show you. Past Projects |
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construction documents related to their 145 x 45 x 22-6 Ocean Tug design (Exposed Waters; Sub I, Solas). This vessel will be used for towing of oil rigs and other heavy tows in the oil exploration and recovery industry. This vessel is also equipped with a deck arrangement that allows for anchor handling duties. The vessel is powered with EMD 20-710 engines to Reintjes WAF 5655 reduction gears, turning 13-0 diameter propellers: inside John W. Gilbert Associates designed type 19A nozzles. The nozzles are supplied by Custom Nozzle Fabricators of LA. The vessel Harvey War Horse II was launched in September 2007.
Currently under construction at Duckworths Steel Boat in Florida are sister hulls, four and five of John W. Gilbert Associates Design D-335. These vessels are sisters to the F/V Polaris and F/V Neskone used for the scallop fishery. They are 88-4 L.W.L., rated 1000 hp and tow twin 14-0 dredges. This hull design is a sibling of the F/V Resolution and F/V Ranger. Overall the owners are very pleased with the seakeeping, capacity, and overall layout of the boats.
JWGA is providing plans and engineering and project support for the midlife retrofit of the M/V Nantucket which is currently out to bid. The Nantucket is planned to receive a complete renovation of the passenger cabins with new lighting, joiner, seating and bathrooms. Expansion of the concession area will provide a much wanted improvement over the existing concession. It is also planned for the addition of a new marine escape slides to be added to the mezzanine deck port and starboard. Other aspects to this project include modifications for the improvement of the main machinery space, ventilation and a new pilothouse. Modifications are being made to the freight deck structure for additional freight deck carrying and new air conditioning and heating systems.
We are also in the preliminary phase of the sponsoning and lengthening of the passenger vehicle ferry M/V Mary Ellen. At 280 x 44 x 16.5, she will be enlarged to 306 x 60 x 16.5. The primary purpose for the retrofit is for an increase in freight deck capacity and improved flow of truck lanes. Included in the retrofit will be major modifications to the passenger cabins including new deck houses, joiner, furniture and lighting. Work is slated to be done at the Owners Shipyard.