Excavation, labor $7.50 Materials delivered 46.60 Three-inch siphon, including freight 15.75 Construction, labor 28.00 Supervision 5.00 ------ Total 102.85 The quotations in the following table will be found useful in making estimates of cost: _Cost of pipe and drain tile._ (February, 1921.) ------------------------------------+----------------------------------- | Size, in inches. Kind of pipe. +--------+--------+--------+-------- | 3 | 4 | 5 | 6 ------------------------------------+--------+--------+--------+-------- Extra heavy cast-iron soil | | | | pipe, on cars Chicago, Ill., per | | | | or Washington, D. C. foot| $0.34 | $0.46 | $0.61 | $0.72 Vitrified salt-glazed sewer | | | | pipe, on cars Chicago, Ill. do | .15 | .15 | .22½ | .22½ Vitrified salt-glazed sewer | | | | pipe, at factory near | | | | Washington, D. C. do | .12 | .12 | .18 | .18 Clay or shale drain tile, at | | | | factory in Ohio do | .03 | .03½ | .04½ | .05½ Clay or shale drain tile, at | | | | factory near Washington, D. C. do | .04 | .05 | .06 | .07 ------------------------------------+--------+--------+--------+-------- The cost of cast-iron fittings may be roughly estimated as follows: Bends, one to one and one-half times the price of straight pipe; =T=-branches, two times the price of straight pipe; reducers, average of the prices of straight pipe at each end. The cost of clay bends, =T=-branches, reducers, and increasers may be roughly estimated at four times the price of straight pipe.