62 
BULLETIN 583, U. S. DEPARTMENT OF AGRICULTURE. 
HEMPHILL AVENUE. 
Earth excavation : Cost. 
Supervision $37. 90 
Teams 226.67 
Equipment 28. 55 
General expense 31. 40 
Convict labor 195. 23 
Total : 519. 75 
Quantity of excavation, 4.000 cubic yards. 
Cost per cubic yard, 13 cents. 
Rock excavation: 
Supervision 1. 60 
Teams 3.82 
Materials 13. 35 
Equipment 1. 72 
General expense .93 
Convict labor 7. 02 
Total 28. 44 
Quantity of excavation. 50 cubic yards. 
Cost per cubic yard, 56.9 cents. 
Clearing and grubbing: 
Supervision 11.61 
Teams 20.41 
Materials 3. 86 
Equipment 1. 80 
General expense 6. 53 
Convict labor 63. 26 
Total 107. 47 
Area cleared and grubbed. 5 acres. 
Cost per acre, $21.49. 
15-inch vitrified-clay pipe culverts : 
Materials 11. 52 
General expense .26 
Convict labor 3. 90 
Total 15. 68 
Amount of pipe laid, 32 feet. 
Cost per linear foot, 49 cents. 
Per cent. 
7.3 
43.6 
5.5 
6.0 
37.6 
100.0 
5.6 
13.5 
46.8 
6.0 
3.4 
24.7 
100.0 
10.8 
19.0 
3.6 
1.7 
6.1 
58.8 
100.0 
73.4 
1.7 
24.9 
100.0 
RECAPITULATION, 
Cost of Hemphill Avenue vork. 
Earth excavation $519. 75 
Rock excavation 28. 44 
Clearing and grubbing 107. 47 
Culvert pipe in place 15. 68 
Total cost 671. 34 
