. Railroad structures and estimates . shed when placed. Whatever type or make the cattle guard may be it is essentialthat it be held down in the most rigid manner so that none ofits parts can become loose and engage a locomotive pilot, abrake beam, or some other part of a passing train. Thereshould be no pockets that will collect dust, leaves or moisturewhich will cause deterioration and shorten the life of the guard. Fig. 87a illustrates two methofis of placing guards, one withinthe right of way, the other on the public road. 270 CATTLE GUARDS. Pit Guards. — The pit guard is usually an open c
. Railroad structures and estimates . shed when placed. Whatever type or make the cattle guard may be it is essentialthat it be held down in the most rigid manner so that none ofits parts can become loose and engage a locomotive pilot, abrake beam, or some other part of a passing train. Thereshould be no pockets that will collect dust, leaves or moisturewhich will cause deterioration and shorten the life of the guard. Fig. 87a illustrates two methofis of placing guards, one withinthe right of way, the other on the public road. 270 CATTLE GUARDS. Pit Guards. — The pit guard is usually an open culvert spannedby stringers to carry the track; their use for many reasons is notrecommended. Metal Guards. — Metal guards made with galvanized iron bentto form any desired type of cattle guard is usually made upin sections arranged to fasten to the track ties, the two outersections being supported at the ends with 2 X 6 timbersnailed to 8-in. cedar posts similar to the wood guard supports. 1 Public Koad IPl^ffjfllplllPl^liilPilli. Road Fig. 87a. C. P. R. Method of Placing Cuttle Guards at Road Crossings. COST OF WOODEN CATTLE CTTARDS. 271 Approximate Cost of Wuoiun t < ti(.\s Ti,;. : J I 11. M. 60 pes. li X 4 X 8 1| (out of 16 ) 200 4 pes. 4 X 8 X 14 0 separators to slats, etc 150 16 pes. 2 X 6 X 18 0 fence rails, braces, etc 288 5 pes. 2 X 6 X 14 0 return fence rails. 168 806 @ $25 p<r M. .?: 20 lb. 20 d. cut nails @ 6^ < 1. 20 14 lb. .50 d. cut nails @- 6c Labor, making and installing Total for one single crossing complete $33. 00 If cedar posts are required at return fences add:20 cedar posts 9 ft. long, 180 ft. @ 30c each $ digging holes and setting posts 25c each Rexewinv; ^le P.\xei^. Lumber: Ft. B. M. 60 pes. U X 4 X 8 1| (out of 16 ft. lengths) 200 4 pes. 4 X 8 X 14 0 separators to slats,etc 150 6 pes. 2 X 6 X 9 0 braces, etc ^ 404 (5 .?25 per M. $10
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Keywords: ., bookcentury1900, bookdecade1910, bookidrailroadstructur00orrouof
