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MODERN TERMINAL tor Serving Miississiopi River Traffic counsellor, was called by the city of Greenville, Miss., to make a traffic survey and determine the best suitable type of river terminal and its equipment. Based upon his rec- ommendation the present terminal, shown in the accompanying illustra- tion, was built. Plans and specifications were pre- pared by V. M. Friede, naval archi- tect, New Orleans. §. Lecourt, civil engineer, took care of the reinfore- ing of the levee and installation of deadmen. The terminal was built by the Ingalls Iron Works in its ship- yard at Chickasaw, Ala. Due to the large difference between the high and low river stages, it was found advisable to dispense with warehouses. The terminal therefore consists of a wharf boat, connected to the shore by means of a bridge, and is equipped with a grain eleva- tor. [ 1932, Theodore Brent, traffic Of All-Welded Construction The wharf boat, which was built under American Bureau of Shipping specifications, has the following di- mensions: Length between perpen- diculars, 230 feet beam molded, 55 feet and depth molded, 9 feet 9 inches. The steel hull is all electric welded and is constructed on the transverse system. Fleetweld rods supplied by The Lincoln Electric Co., Cleveland, were used throughout for the welding. The hull proper, in addition to the raked ends, is subdivided by means of watertight bulkheads into eight holds. Holds No. 2 and No. 7 are used for water ballast; holds No. 4 and No. 5 for grain storage, and hold No. 6 is used as a pump room. Two longitudinal bulkheads, extending from rake to rake, form the outside skin. In total there are 30 water- tight compartments which greatly re- duces the insurance premium. Each water ballast tank is subdivided into three compartments by means of longitudinal bulkheads. Cargo House on Deck On deck is located the cargo house which has the following dimensions: Length, 196 feet; beam, 48 feet, height, 14 feet. The rise of roof is 8 feet. The house surfaces are made out of Robertson protected metal, painted on the outside with alumi- hum, Hight sliding doors at 24-foot centers are provided on the port (riv- er) side of the house. In addition, doors are located at the forward and after end. On the starboard side is located a 24-foot opening correspond- ing to the location of the bridge. The deck in the way of cargo house is covered with Johns-Manville compo- sition flooring. At the after end of the house is located the terminal of- fice. Ample provision is made tor ventilation and lighting of the ter- minal, The traffic from and to the wharf boat is over a 72-foot long, 12-toot wide pony truss bridge designed to carry a 16-ton movable load. On account of a 50-foot rise and fall of the river, which means that the shore end of the bridge has to move about 300 feet on the inclined levee, this end of the bridge is mounted on a truck. The truck travels on tracks, each of the rails resting on a rein- forced concrete beam. In addition, in order to take care of the horizon- tal as well as possible radial move- ment of the bridge, the bearing plate of the shore panel in way of the truck has a spherical universal joint and conical rollers. The wharf boat end of the bridge is suspended sev- eral inches above the deck from a gallows frame on steel cables pass- ing over the grooved sheaves. This arrangement takes care of the pos- sible trimming of the wharf boat and prevents distortion of the bridge structure. Both ends of the bridge have short ramps leading to the wharf boat deck and levee, respec- tively. In order to facilitate the trucking from river barges to the wharf boat deck, the previously mentioned bal- last system is provided. By filling and emptying the tanks the decks of the wharf boat and respective barges are kept on the same level. Grain Handling Equipment The grain handling equipment was manufactured by the Brady Conveyor Corp., Chicago, and is of pneumatic type. The same installation by means of suitable by-passes and various hose, which are mounted on univer- sal joints, makes it possible to dis- charge grain from river barges into the grain bins of holds No. 4 and No. 5, or discharge directly into trucks and sacks through weighing scales, or to reclaim the grain from the bins of the wharf boat. The capacity of the grain handling machinery is 1000 bushels per hour. The grain han- dling equipment is supported on a. structural steel foundation independ- ent of the cargo house, thus elim- inating the possibility of vibration. Three dust-proof, 75-horsepower, 10 horsepower and 2 horsepower, mo- tors operate the machinery, (Continued on Page 40) Modern river terminal recently completed for Greenville, Miss. MARINE REVIEw—August, 1934 Steel hull of all welded construction 35