Job II.—The second job was the construction of two abutments containing 434 cu. yds. of concrete for a viaduct at Ernst Street, Cincinnati, O. The abutments were constructed at the street and the excavation was clay and shale. Labor received $1.75 per day. The cost of materials and labor per cubic yard of concrete in place was as follows:
| Materials— | Per cu. yd. |
| 376 bbls. cement at $1.70 | $1.48 |
| 224 cu. yds. sand at $1.20 | 0.64 |
| 255 cu. yds. stone at $1.55 | 1.00 |
| Lumber | 0.40 |
| Tools, hardware, etc. | 0.06 |
| Total materials | $3.58 |
| Labor— | |
| Clearing and excavating | $1.12 |
| Mixing and placing concrete | 1.13 |
| Building forms, etc. | 0.25 |
| —— | |
| Total labor | $2.50 |
| Total labor and materials | $6.08 |
Job III.—This job consisted in placing 570 cu. yds. of concrete in the pedestals for a viaduct at Quebec Avenue, Cincinnati, O. The pedestals were 5 ft. square on top and from 8 to 20 ft. high. The location of the work was very inconvenient for the delivery of materials, all materials having to be teamed or wheeled. Labor was paid $1.75 per day. The cost of labor and materials per cubic yard of concrete in place was as follows:
| Item. | Per cu. yd. |
| 500 bbls. cement at $1.60 | $1.40 |
| 239 cu. yds. sand at $1.25 | 0.53 |
| 560 cu. yds. stone at $1.88 | 1.84 |
| Lumber | 0.38 |
| Tools, hardware, etc. | 0.05 |
| Labor | 2.96 |
| —— | |
| Total labor and materials | $7.16 |
Job IV.—This job consisted in placing 2,111 cu. yds. of concrete in a railway viaduct at Cincinnati, O. For one pier 56 ft. high the concrete was raised to place by a derrick; for the remainder of the work it was wheeled or teamed to place. Labor was paid $1.75 per day. The cost of labor and materials per cubic yard of concrete in place was as follows:
| Item. | Per cu. yd. |
| 1,908 bbls. cement at $1.60 | $1.44 |
| 1,105 cu. yds. sand at $1.95 | 0.50 |
| 1,468 cu. yds. stone at $1.48 | 1.03 |
| Lumber | 0.54 |
| Tools, hardware, etc. | 0.25 |
| Water | 0.03 |
| Labor | 3.44 |
| —— | |
| Total labor and materials | $7.23 |