\fdO'^ - Old Forge Coal Mines

288 RAILROAD CONSTRUCTION.
(864)
(865)
,_^
^^^^^
See Art. 1492.
See Art. 1493.
, 540, the number of working minutes in a day,
1:25+1
. ,_ 102.9^, trips.
102.9 ^ o^ u- A ^115
——— = 7.3o cubic yards per man; ——-— 14
=
7.o5
15. G4 cents per cubic yard for wheeling. One picker serves
5 wheelbarrows; he will accordirigly loosen 7.35 X 5 = 36.75
$1.15
"
cubic yards. Cost of picking will, therefore, be
=:
3.13 cents per cubic yard. There are 25 men in the gang,
one-fifth of whom are pickers. There are, consequently,
20 wheelers, who together will wheel in one day 7.35x20 =
One foreman at $2.00 and one water-car-
147 cubic yards.
rier at 90 cents per day are required for such a gang. Their
combined wages are $2.90. The cost of superintendence
$2 90
and water-carrier is, therefore, ,',^ = 1.97 cents per cubic
'
147
yard. Use of tools and wheelbarrows is placed at ^ cent
per cubic yard.
Placing items of cost in order, we have
Cost of wheeling
15. G4 cents per cubic yard.
Cost of picking
Cost of water-carrier and super-
3.13 cents per cubic yard.
intendence 1.97 cents per cubic yard.
Use of tools and wheelbarrows. .50 cents per cubic yard.
21.24 cents per cubic yard.
(867) The number of carts loaded by each shoveler
420
(Art. 1494), is --- =84. 84 -^ 3 = 28 cubic yards handled
per day by each shoveler. The cost of shoveling is, there-
120
fore, —— = 4.28 cents per cubic yard. The number of cart
28
trips per day is rr—— J = 54. 54. As a cart carries ^ cubic
yard, each cart will in one day carry —-— = 18.18 cubic
o