. Railroad structures and estimates . st foundations and ducts. Installation, Bells for arms and tower if desired. A four-post pneumatic gate would be double the above except-ing the air-pump and first and last items. The elevated tower for crossing gates would cost from SI50 toS200 each. Generally speaking the lever crossing gate is more positive inaction than the pneumatic type; the pneumatic type under cer-tain conditions is not alwavs satisfactory. Farm Crossing Gates. — Generally made of wood and wire, orgas pipe and wire, the last mentioned being known as the steelgate. Usually 14 and 16
. Railroad structures and estimates . st foundations and ducts. Installation, Bells for arms and tower if desired. A four-post pneumatic gate would be double the above except-ing the air-pump and first and last items. The elevated tower for crossing gates would cost from SI50 toS200 each. Generally speaking the lever crossing gate is more positive inaction than the pneumatic type; the pneumatic type under cer-tain conditions is not alwavs satisfactory. Farm Crossing Gates. — Generally made of wood and wire, orgas pipe and wire, the last mentioned being known as the steelgate. Usually 14 and 16 feet long, standing 4 feet 6 inches aboveground 4 feet high, made to swing outward away from track. GATES. 33 Kind. Approx. Cost. Actual Cost. Swing wire gate with wooden frame com-plete 14 ft. long (Fig. 16) Swing wire gate with steel frame complete14 ft. long (Fig. 17). Swing board gate, board frame 16 ft. long(Fig. 15) Swing wire gate, steel frame 16 ft long(Fig. 17) £ to $ to to to /-lx6 1x6. Fig. 15. Swing Board Gate. {-,-„! 7 ^t -€£; ■* l^ffvj -2V3- ^4&^ >°I [h «M ?—- : - - ,_ . —140- ^> Fig. 16. Swing Wire Gate. Wooden Gates. (Figs. 15 and 16.) —The wooden gates are usuallymade of 2 X 3 frame all round with a 2 X 3 post in center Add your own prices and records in blank spaces. PA RAILROAD STRUCTURES AND ESTIMATES. and Xo. 9 galvanized wire mesh over, with two diagonal cross-wire ties The wooden swing board gate is made up of four 1 X 6 X 16planks with S-inch spaces between having one center and twodiagonal planks 1 Steel Gates. Fig. 17.) —The steel pipe gates are made with-inch steel pipe, divided into three equal panels with two vertical H-inch bars between, covered with Xo. 9 galvanized iron wire mesh with diagonal wire brace.
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