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oi' ^ . Dravo SteelShip Delivers Coastal Tugboats 'Sioux' And 'Maya' Dravo SteelShip Corporation, Pine Bluff, Ark., recently deliver- ed two 75-foot by 28-foot by 12.5- foot steel coastal tugboats to Apex Oil Company of St. Louis, Mo. The tugboats, the Sioux, and the Mava (shown above), are powered by twin Detroit Diesel 16V-149TA engines rated at 2,200 hp. The engines are equipped with Reint- jes Model WAV800, 6:1 ratio re- duction gears. Fernstrum D-1672 keel coolers provide for main en- gine cooling. Twin Detroit Diesel 4-71 en- gines with 75-kw generators sup- ply ship's power. One Carlisle and Finch 15-inch, 1,000-watt incan- descent searchlight and one 19- inch carbon arc searchlight have been provided. Kahlenberg air horns are pilothouse mounted. Electronics include a SBA Model 312B single sideband radio, a Necode 321AR Digital Encoder/ Decoder, two Motorola Triton 55/ 75 VHF and two Epsco Model 310/6 radar and were supplied by ITT Mackay Marine. Main engines and generator sets were supplied by Western Diesel of St. Louis. A telephone booth supplied by Acoustical De- velopment is located in the engine room. The Wagner steering system was supplied by H.H. Hough Company, and the engine controls are Wabco. Each vessel is equipped with two Kahlenberg four-blade, stain- less-steel, 80-inch propellers. Tank capacities onboard each vessel are: fuel, 20,000 gallons; potable water, 5,000 gallons; clean lube oil, 500 gallons; and dirty lube oil, 500 gallons. New facilities at the Nashville Bridge Company (NABRICO) A. I. Myhr Plant, Ashland City, Tenn., were officially dedicated recently. Bill Sanders, the senior employee at the plant, cut the Each tugboat is designed with four staterooms to accommodate a crew of eight. Each stateroom is furnished with built-in double wooden bunks, double hanging lockers, and desk and chair. Dravo SteelShip Corporation is currently building seven 85-foot towboats, two 65-foot towboats, and several other pieces of marine equipment. large ribbon linking two cranes to open the company's new fabrica- tion building. AI Zang, president of NABRICO, presided over the ceremonies, which attracted near- ly 800 employees, families and friends. Reviewing the growth of the Ashland City plant, which open- ed July 29, 1974, Mr. Zang noted that the first barge was launched there in December of that year. Through September 1980, a total of 560 barges had been delivered at the Ashland City yard. For 1981, he projected that 205 barges will be launched at the plant. Mr. Zang also noted that when the first barge was launched, there were 75 employees at the facility. To- day, there are 295. According to Mr. Zang, the Ash- land City expansion "increases the company's production there by approximately 15 percent, and provides NABRICO with the cap- abilities of producing oceangoing vessels there. The expansion pro- vides NABRICO with the added flexibility necessary to meet the ever-increasing market demands for hopper barges, tank barges and oceangoing vessels," he said. Construction, which required some 18 months, was planned in phases so as not to interfere with the regular operation of the Ash- land City facility. The $2-million expansion added some 30,000 square feet to the fabrication and assembly areas, representing a 100 percent in- NISSEN.H metal marker Outstanding features make it the most popular metal marker around the world < non-clogging ball point marks any metal surface: wet, oily, rough, smooth, dry •special, fast drying, opaque ink makes permanent marks • low cost 6" ball point tube writes in any position • for all metal marking indoors or outside • 12 bright color opaque inks are available • 3 ball point sizes for making fine or broad lines • use this unique metal marker for faster, lower cost marking, numbering, coding Write, wire or call for further details today. JOHN P. NISSEN, JR. COMPANY Glenside, PA 19038 Phone: (215) 886-2025 Telex: 83-1445 BARCO IMPELLERS Run dry for hours, laugh at sand abrasion, and love diesel fuel. SEE YOUR MARINE SUPPLIER BARCO CORPORATION 1 6 Bahama Cm It:. Tampa, FL 33606 (813) 251-301 7 New facilities at the Nashville Bridge Company (NABRICO) A.I. Myhr Plant in Ash- land City, Tenn., were dedicated recently. From left are Raymond Cotten, plant manager at Ashland City; Bill Sanders, senior employee at the facility; and AI Zang, president of NABRICO. The $2-million expansion was designed to meet the ever-in- creasing market demands for hopper barges, tank barges and oceangoing vessels. NABRICO Dedicates New Facilities 16 Write 462 on Reader Service Card Write 489 on Reader Service Card Maritime Reporter/Engineering News
