be used. A 1:2:4 mixture of Portlandconcrete will be used for work above ground, and 1:3:5 Portlandconcrete will be used below the surface of the ground. This makesthe quantities of concrete to be used, as follows: in the pier12.5 cu. yds. of 1:2:4 concrete and 5.5 cu. yds. of 1:3:6; concretein the… … *9. v. cost. The cost or removing the old bridge is taken as fl.50 per foot of span, as this was found to be the cost of removing a similar bridge at Mahomet, Illinois, making the total cost of re- moving the old bridge 184 x. fl.50 = $270.00 The cost of the new bridge is presented in tabular form…
Bridges · Iron and steel bridges · Theses
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