APPENDIX. 
TABLES USEFUL IN DETERMINING COSTS AND PREPARING ESTIMATES. 
Table 1. — Some of the more common units of measurement used in collecting cost data 
on highway work. 
Aggregates, stone, sand, gravel, etc Cubic yard or ton of 2,000 pounds. 
Bituminous materials Gallon, or ton of 2,000 pounds. 
Blocks: Brick, stone, asphalt, wood, etc Thousand. 
Bridges and culverts: 
Metal Pound, or ton of 2,000 pounds. 
Painting, cleaning, erecting, or razing, often by. Linear foot. 
Concrete, masonry, etc Cubic yard. 
Cement, Portland, barrel of 4 bags Bag, 94 pounds. 
Clearing, clearing and grubbing, grubbing Acre. 
Concrete Cubic foot or cubic yard. 
Curbs, curb and gutter, gutters Linear foot. 
Culvert pipe — Metal, vitrified, concrete, wood, etc. Linear foot. 
Ditches, drains, drain tile Linear foot. 
Excavation, embankment, and earthwork in gen- 
eral Cubic yard. 
Fences, guard rails, etc Linear foot. 
Lumber Thousand board feet. 
Pipe — Drain, sewer, pipe railing, etc Linear foot. 
Piling Linear foot. 
Roadway: Courses, surfaces, subgrade, etc; con- 
struction, reconstruction, and maintenance oper- 
ations L'sually square yard. 
Steel and iron — Shapes, rods, pipes, mesh, etc Pound, or ton of 2,000 pounds. 
Unit materials, structures, or parts, as blocks, inlet 
covers, monuments, sign posts, etc Single unit or thousand. 
Table 2. — Cubic yards of macadam compacted in place per 100 feet of road for various 
widths. 1 
Depth. 
Width. 
2 inches. 
2i inches. 
3 inches. 
3t inches. 
4 inches. 
5 inches. 
6 inches. 
7 inches. 
Feet. 
Cu.yds. 
Cu. yds. 
Cu. yds. 
Cu. yds. 
Cu. yds. 
Cu. vds. 
Cu. yds. 
Cu. vds. 
10 
6.17 
7.71 
9.26 
10.80 
12. 34 
15. 43 
IS. 52 
21.61 
12 
7.41 
9.26 
11.11 
12.96 
14.82 
18.52 
22.22 
25.93 
14 
8.64 
10. SO 
12.96 
15.12 
17.28 
21.61 
25.92 
30.25 
15 
9.26 
11.58 
13.89 
16.20 
18.52 
23.16 
27.78 
32.41 
16 
9.S8 
12.35 
14. SI 
17.28 
19.76 
24.70 
29.63 
34.57 
18 
11.11 
13. 90 
16. 67 
19.44 
22.22 
27.79 
33. 34 
38.89 
20 
12. 85 
15. 44 
18.52 
21.60 
24.70 
30.87 
37.04 
4S.21 
22 
13.58 
16.98 
20.37 
23.76 
27.16 
33.96 
40.74 
47.53 
1 LTarger and Bonney. 
42 
