. Railroad structures and estimates . out. BillofmateriaL 58 pieces. 86 track tie. Pces. 8 .754 7X9X 9 07X9X 9 67X9X10 07X9X10 6 7X9X11 07X9Xir 67X9X12 07X9X12 6 232 7X9X13 07X9X13 67X9X14 07X9X14 6 Pces. 523 2 7X9X15 07X9X15 ■•7X9X16 n7X9X16 Bill of material. 56 pieces. 3336 B. M. 8 0 track tie. 7X9X 8 67X9X 9 07X9X 9 67X9X10 0 333 7X9X10 67X9X11 07X9Xir 67X9X12 0 7X9X12 67X9X13 07X9X13 67X9X14 0 7X9X14 (7X9X15 -. No. 11. Main Line Turnout. Bill of material. 78 pieces. 4814 B. M. 8 6 track tie. 7X9X 9 07X9X 9 6
. Railroad structures and estimates . out. BillofmateriaL 58 pieces. 86 track tie. Pces. 8 .754 7X9X 9 07X9X 9 67X9X10 07X9X10 6 7X9X11 07X9Xir 67X9X12 07X9X12 6 232 7X9X13 07X9X13 67X9X14 07X9X14 6 Pces. 523 2 7X9X15 07X9X15 ■•7X9X16 n7X9X16 Bill of material. 56 pieces. 3336 B. M. 8 0 track tie. 7X9X 8 67X9X 9 07X9X 9 67X9X10 0 333 7X9X10 67X9X11 07X9Xir 67X9X12 0 7X9X12 67X9X13 07X9X13 67X9X14 0 7X9X14 (7X9X15 -. No. 11. Main Line Turnout. Bill of material. 78 pieces. 4814 B. M. 8 6 track tie. 7X9X 9 07X9X 9 67X9X10 07X9X10 6 7X9X11 07X9Xir 67X9X12 07X9X12 6 33 7X9X13 07X9X13 67X9X14 07X9X14 6 7X9X15 07X9XI5 67X9X16 07X9X16 6 Bill of material. 75 pieces. 4363 B. M. 8 0 track tie. Fees121085 ; X9 X 8 6 7 X9 X 9 07- X9 X 9 67 •X9 XIO 0 7 X9X10 67 X9 Xll 07X9Xir 67 X9X12 0 33 7X9 X12 6 7X9X13 07 X9X13 6 7 X9XI4 0 7X9X14 67X9X15 0 7X9X15 6 jL TYPICAL DOUBLE SLIP SWITCHES. 2J0 ;u-j,;. :i^ li ^=mKX:y os -3I/) gP = i. :l S x -! I _ UJ „ -3 -1» a) 2 .2 .M *^ z H 5 ^ 230 DERAILS. Derails. — Derails are used generally for the protection ofmain tracks where a siding, which may be used for standingcars, comes off the main track or any other track leading thereto,having a gradient of per cent or over toward the main line,so located that there is danger of a runaway car getting eitherdirectly or through an intervening siding to a main track. The type used is generally that having an operating standand target of its own, but in special cases where deemed ad-visable, the type having a target stand only and interlockedwith the switch is used, l, Derails should be located so that derailed cars shall not foulthe protected track, and the distance of the derail from theclearance point should be carefullj considered with referenceto the probable distance a car would run after being derailed. Retaining or deflecting guard rails are used
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Keywords: ., bookcentury1900, bookdecade1910, bookidrailroadstructur00orrouof
