Question: A crawler hoe having a 2 1 4 - c y bucket and whose cost per hour, including the wages to an operator, is $

A crawler hoe having a 214-cy bucket and whose cost per hour, including the wages to an operator, is $67, will excavate and load haul units under each of the stated conditions. The maximum digging depth of the machine is 20ft. Determine the cost per bank cubic yard for each condition. (Condition 1.300bcyhr,$0.223bcy; Condition 2.319bcyhr, $0.210bcy; Condition 3.128bcyhr,$0.523bcy)
\table[[Condition,(1),(2),(3)],[Material,Moist loam, earth,Sand and gravel,Rock, well blasted],[Depth of excavation (ft),12,16,14],[Angle of swing (degrees),60,80,120],[Percent swell,,14,],[Efficiency factor (min-hr),45,50,45]]
A crawler hoe having a 2 1 4 - c y bucket and

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