Determine the cost
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question #5: A crawler hoe having a 2.5-cy bucket and whose cost per hour, including the wages to
an operator, is $109 will excavate and load haul units under the stated conditions as - depth of
excavation is 12 feet, angle of swing is 80 degrees, percent swell is 14 and efficiency factor is 45 min
per hour. The maximum digging depth of the machine is 22 feet. Use load bucket time 6 sec; swing
loaded time 6 sec; dump bucket time 4 sec and swing empty time 5 sec. Determine the cost per
bank cubic yard for the material sand and gravel. Show all the calculations with all the required
checking.
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