Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 550
s which had beenin active service about ten years, and an average of $53.14 eachon 14 others. The total cost of repairs on 16 rollers was, there-fore, $2,468.96, or an average of $154.31 each. In 1907 the above 16 rollers did 1,808 days work, an averageof 113 days per roller per season. Two rollers… … Fig. 249. American Motor Road Roller (Left Side View). on a roller up to the 14th year were small, with the exceptionof new driving wheels and repairs to the firebox and tubes. Allrepairs amounted to an average of $55.00 a year. At this timeheavy repairs, costing $850.00, were needed. The total…
Contractors' operations · Building
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