Engineering and Contracting . in span and ap-proaches Construction and removal of false work Building approaches (not decking) Painting steel span (one coat) Rent on storage house Miscellaneous hauling: Moving concrete mixer from R. R. to site ? Stripping gravel pits Hauling cement from storage house to site Hauling piling from R. R. to site •.... Unloading piling at R. R Tnloading bridge lumber at R^ R Moving lumber at bridge .40 Foremans time (60 days @ $ per day) Structural steel workman (connecting span) Total $1
Engineering and Contracting . in span and ap-proaches Construction and removal of false work Building approaches (not decking) Painting steel span (one coat) Rent on storage house Miscellaneous hauling: Moving concrete mixer from R. R. to site ? Stripping gravel pits Hauling cement from storage house to site Hauling piling from R. R. to site •.... Unloading piling at R. R Tnloading bridge lumber at R^ R Moving lumber at bridge .40 Foremans time (60 days @ $ per day) Structural steel workman (connecting span) Total $1, Cost of material 2, Grand total cost, material and labor $3, Unit Costs.—On the basis of the foregoing cost data,unit costs on the several items of material have been com- taken from both piers, at a total cost of $ or a unitcost of $ Mixing and placing of concrete cost $ total cubic yardage of concrete in the piers and pilefootings amounted to , from which is deduced a cost. Ha!f5ecf:onal Bottom Plan Sections of Pier. of $ per cubic yard. Water used in the con-crete was obtained from the creek at the site by meansof a hand pump. It was pumped into barrels to an ele-vation of about 20 ft. above the creek, from which it was
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19
