Question

A crawler hoe having a 2.5-cy bucket and whose cost per hour, including the wages to an operator, is $119

will excavate and load haul units under the stated conditions as - depth of excavation is 13 feet, angle of

swing is 80 degrees, percent swell is 14 and efficiency factor is 50 min per hour. The maximum digging

depth of the machine is 22 feet. Determine the cost per bank cubic yard for the material sand and gravel.

Show all the calculations with all the required checking

Answer 1