COST OF PLAIN STONE CONCRETE
===================+===================+===============================
Mixture | Quantity | Cost
------+-----+------+------+-----+------+------+-----+------+-----+-----
Cement|Sand |Broken|Cement|Sand |Broken|Cement|Sand |Broken|Labor|Total
Parts|Parts| Stone| Bar- |Cubic| Stone| | | Stone| |
| | Parts| rels |Yards| Cubic| | | | |
| | | | | Yards| | | | |
------+-----+------+------+-----+------+------+-----+------+-----+-----
1 | 2 | 4 | 1.5 | .45 | .90 |$3.00 |$.68 |$1.49 |$.75 |$5.92
1 | 3 | 5 | 1.1 | .50 | .85 | 2.20 | .75 | 1.40 | .75 | 5.10
1 | 3 | 6 | 1.0 | .45 | .90 | 2.00 | .68 | 1.49 | .75 | 4.92
------+-----+------+------+-----+------+------+-----+------+-----+-----
COST OF PLAIN GRAVEL CONCRETE
-------------------+-------------------+------------------------------
Mixture | Quantity | Cost
------+-----+------+------+-----+------+------+----+------+-----+-----
Cement|Sand |Gravel|Cement|Sand |Gravel|Cement|Sand|Gravel|Labor|Total
Parts|Parts|Parts | Bar- |Cubic|Cubic | | | | |
| | | rels |Yards|Yards | | | | |
------+-----+------+------+-----+------+------+----+------+-----+-----
1 | 2 | 4 | 1.3 | .4 | .80 |$2.60 |$.60|$ .80 |$.75 |$4.75
1 | 3 | 5 | 1.0 | .5 | .80 | 2.00 | .75| .80 | .75 | 4.30
1 | 3 | 6 | .9 | .4 | .85 | 1.80 | .60| .85 | .75 | 4.00
======+=====+======+======+=====+======+======+====+======+=====+=====
The price of forms, including both material and erection, may be
said to vary from 50 cents for ordinary cellar work to $2 for heavy
retaining walls per cubic yard of concrete placed.