208 Molesworth’s pocket-book
Permanent Way, Indian State Railways, Metre Gauge.
Steel Flanch Rails, 4H lbs. per yard.
24 ft. rails 21 „ 18 „ Kish plates Fish bolts Spikes .. Bearing ) plates j Sleepers Weight, lbs. I Allowance for 1 waste per cent. Quantity required for 1 mile Single Line.
Actual requirements for Rails of lengths. Rails in assorted lengths.
24 ft. 21ft. 18 ft. No. Tons. Total tons.
each 327-11 „ 288-75 „ 250’25 pair 9'18 each • 85 „ '53 .. 1’31 M 59 5 5 10 5 6 443-88 444 1776 8878 3995 1998 — 502'86 503 2012 9054 4023 2012 — 388 — 1 44 580-22' 22 580 ■ 475 2321 1 1900 9283 11000 4061 4200 2031 j 2100 Total . 56-66 5-67 2-46 1-94 •72 2-60 2-46 55-31 j, 64-49 ( 7-72 i 55-31 127’82
Points and Ckossings.
Ordinary Crossing, Narrow Gauge.
Length from point to crossing .. .. — 75 feet
Total length from point to point .. = 165 „
Radius .................................. 600 ,,
Angle of crossing.......................= J in 10
, Length of switches.....................=: 12 to 15 feet
Throw of ditto, at point .....= 4 inches
Clearance of ditto, „ ..........= 3; „
Length of guard rail .. . . .. — 8 feet
Clearance of ditto.................. ,. = 1| inch
Railway Sidings, &c.
R = Radius of curves.
L — Length over points.
— Distance between centres of lines of siding.
L = 2 V D.R - (i D)».