LOOKS BACK

May 1963

• The rst of two 276'×50'×12' self-unloading cement barges being built for Marquette Cement Manufacturing Co., Chicago, was launched recently at the Higgins Inc. shipyard in New Orleans. With hoppers extending 13.5' above its deck, it has a total capacity of 15,000 bbls. Equipment aboard the barges includes Caterpillar D-330 generator sets, Fuller pumps driven by Cat D-353 diesels, and Fuller compressors powered by Cat D-333 engines. The unloading systems are of the air-slide type.

• Intercoastal Shipyard Inc., Morgan City, La., has been awarded contracts recently calling for construction of a 130'×32'×7' welded steel barge and two 49'6"×18' steel tugs.

• A 330', self-propelled petroleum

May 1973

• Blount Marine Corp. has announced the signing of contracts to build passenger vessels for service in widely separated areas. Hyannis Harbor Tours Inc., Hyannis, Mass., has ordered a 122', 500-passenger vessel to operate between Hyannis and Nantucket Island. Duluth-Superior Excursions Inc., Duluth, Minn., has ordered a 78', 280-passenger sightseeing ferry that will operate in Duluth Superior Harbor.

• The Valley Line Co., has awarded a contract to the Dravo Corp., Pittsburgh,

May 1983

• Moss Point Marine, Escatawpa, Miss., recently delivered the offshore supply vessel Inter Service to Intermarine Inc., Houston. The 186' OSV is powered by two EMD 12-645E6 diesels linked to Falk marine gears with 3:1 reduction ratios. At the aft end of the propulsion system, two 4-bladed Coolidge stainless-steel wheels turn within Kort nozzles. Twin Detroit Diesel 8V-71 engines power two Delco products tanker was christened at Ingalls Iron Works Co. recently for Sinclair Re ning Co. to build the world’s two most powerful towboats. The vessels, each rated at 10,100 hp, will be the most powerful towboats operating on any inland waterway system. The boats are designed to handle tows of over 40,000 tons, in deeper channels and swifter water, primarily working on the Lower Mississippi River. Valley Line has a eet of 20 towboats and 750 tow barges.

99-kW generators aboard the vessel with one of the diesels also serving as the power plant driving the boat’s Bird Johnson 20-3F bowthruster.

• Sundial Marine Tug and Barge Works, Troutdale, Ore., recently delivered two specialized barges to Tidewater Barge Lines, Vancouver, Wash. Identical in size at 135'×42', one barge will haul wood chips while the other will carry containerized cargo.