Items.

Cost per Cu. Yd. of Concrete, Cents.

Quarrying (exclusive of 8.3 cents for explosives)

8.2

19.2

Crushing...............

12.8

Transportation, delivering cement, sand and stone on a

platform beside the mixer.........

8.1

forms, exclusive of timber..........

14.2

mixing, including shoveling materials from platform to

mixer...............

25.0

Placing and tamping............

11.6

Total...............

99.1

Cost of plant (no salvage allowance).......

56.7

Powder for quarrying...........

8.3

Cement and sand.............

158.6

Total Cost concrete per cu. yd........

$3,227