. Railway track and track work . wires are of the same size. Fencing of this kind is delivered in rolls of from 20 to40 rods, and the 54-in. railway fence weighs 10 to 12 lbs. per rod. For hog fencinga narrower width may be used, with horizontal wires above; and it is sometimesnecessary to put a line of barbed wire above the top of the woven fence to pre-vent animals from leaning their heads over and bending down the top. The right-of-way fence of the New York Central Ry. (Fig. 75) has 20-ft. 9i-ft. braced panel is put at corners, gates and angles, and at intervals of notmore than 1,5
. Railway track and track work . wires are of the same size. Fencing of this kind is delivered in rolls of from 20 to40 rods, and the 54-in. railway fence weighs 10 to 12 lbs. per rod. For hog fencinga narrower width may be used, with horizontal wires above; and it is sometimesnecessary to put a line of barbed wire above the top of the woven fence to pre-vent animals from leaning their heads over and bending down the top. The right-of-way fence of the New York Central Ry. (Fig. 75) has 20-ft. 9i-ft. braced panel is put at corners, gates and angles, and at intervals of notmore than 1,500 ft. in line fencing. Where the fence makes a flat angle, thepost between the two braced panels is tied back by a wire attached to the topof the post and to an anchor set in the rear of the angle. The bottom wire isIJ ins. from the ground, and the 11 wires are spacetl 3 to 9 ins. apart, as in The 6-in. posts are 8 ft. long, 3 ft. 2 ins. in the ground. The wires are No. tr Tt- iiiiiiiuiiiiiiiiDininiiiiiiiniimDiii. No 7-. stapled at End Post/ /Oft Post at Ang/es. Wleys_ and Brace Panels — - ?*4t/S96Brari-d P i<ag ZO ft Mam Panel Fig. 75.—Woven-Wire Fence; New York Central Ry. 7 for the top, No. 8 for the bottom, No. 10 for other longitudinal wires, andNo. 11 for the stay wires, which are 12 ins. apart. Some fences of this kindare built in the field, vertical stays of No. 7 hard steel corrugated wire, about30 ins. apart, being secured to the longitudinal wires by special flexible trouble has been experienced from the corrosion of wire fencingon steam railways, due to the acid fumes and gases from the locomotives. Forthis reason the wire is given a zinc coating. This is not by galvanizing but bypassing the wire through a bath of molten zinc, the surface being smoothed andthe excess removed by asbestos wipers. The speed of the wire should be suchas to give it the same temperature as the bath, in order to get a coating thatwill adhere and not crac
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Keywords: ., bookcentury1900, bookdecade1900, books, booksubjectrailroadtracks
