. Railroad structures and estimates . ipping arrangements, the buckets being designed to hold threetons and are self-clearing. They are operated by hoist with cable drive and 25 horsepowermotor controlled by the operator in the engine room. At a speedof 60 feet per minute 100 tons can be delivered to the elevatedpocket per hour. The approximate cost of the plant complete averages from$12,000 to $15,000. Belt Conveyor. (Fig. 70.) — This plant may consist of one ora series of pockets with an inclined belt on a 25-degree slope, fedfrom a track hopper beneath the coal car track, the coal beingdeli
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. Railroad structures and estimates . ipping arrangements, the buckets being designed to hold threetons and are self-clearing. They are operated by hoist with cable drive and 25 horsepowermotor controlled by the operator in the engine room. At a speedof 60 feet per minute 100 tons can be delivered to the elevatedpocket per hour. The approximate cost of the plant complete averages from$12, 000 to $15, 000. Belt Conveyor. (Fig. 70.) — This plant may consist of one ora series of pockets with an inclined belt on a 25-degree slope, fedfrom a track hopper beneath the coal car track, the coal beingdelivered to the belt by automatic feeders. A 30 inches wide belt, 180 feet run, with a speed of 100 feet perminute will deliver 50 tons per hour. The belt and its supports with a gang walk is usually housedin and supported by trestle, under which the engine room isplaced. The coal pockets are wood construction usually, and a sand shedbeneath the coal wharf can be arranged and the sand shot by air 150 RAILROAD STRUCTURES AND ESTIMATES.. i<¥ il Hoisting Drum f^l L A I I I I M- V _ / 1/