DUST PREVENTION AND ROAD PRESERVATION, 1916. 
Table 13. — Cost data for surfacing. 
11 
Item. 
Stone on 
work. 
Spreading 
stone. 
Bitumen 
on work. 
Applica- 
tion oi 
bitumen. 
Rolling. 
Surface 
complete. 
Quantity 
Tons. 
2,177.39 
Tons. 
2, 177. 39 
Gals. 
31,197.17 
Sq. yds. 
15,287.7 
Sq. yds. 
15,287.7 
Sq. yds. 
15,287.7 
$1,005.10 
2,833.67 
$215.81 
$100. 74 
2,543.17 
$259. 13 
$47. 57 
18.11 
$1,688.35 
Materials 
5, 394. 95 
Total 
3,898.77 
$1. 790 
215. 81 
$0. 099 
2,643.91 
$0. 0847 
259. 13 
$0,017 
65. 68 
$0.0043 
7,083.30 
$0. 463 
Table 14. — Total costs. 
Item. 
Quantity. 
Cost. 
Unit 
cost. 
Per cent 
of total. 
Subgrade 
Sq. yds. 
15,627.5 
$5,911.50 
2,052.58 
2,885.05 
7,083.30 
3,081.10 
$0.38 
28.1 
Drainage 
9.8 
15,487.6 
15,287.7 
.19 
.46 
13.7 
Surfacing - 
33.7 
Incidentals 
14.7 
Total 
21,013.53 
100 
