Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 317
ys and two shifts per day, the laborcost for one month is $1,256.32, which, added to $255 given above,makes a total cost for operation of $1,511.32. Assuming intereston plant at y2 per cent per month we have an additional $9.30,making the grand total $1,520.62. Assuming an output of 700 cu.yds. per… … Fig. 122. Scraper Bucket for Field Tower Excavator. While the life of the wire rope used depends almost entirelyupon the character of material to be excavated; in clay and loam,the plant working two eight-hour shifts per day, 26 days eachmonth, excavating approximately 700 cubic yards per day,…
Contractors' operations · Building
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