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A crawler hoe having a 3 1/2 cy bucket and whose cost per hour, including the wages to an operator, is $130 will excavate and load hauf units under each of the stated conditions. The maximum digging depth of the machine is 26 ft. Determine the cost per bank cubic yard for each condition. Condition (1) (2) Rock, well blasted Sand and Material gravel 15 Depth of excavation (f) Angle of swing (degrees) 14 90 120 Percent swelI 159% Efficiency factor (min per hr) 40 45

A crawler hoe having a 3 1/2 cy bucket and whose cost per hour, including the wages to an operator, is $130 will excavate and load hauf units under each of the stated conditions. The maximum digging depth of the machine is 26 ft. Determine the cost per bank cubic yard for each condition. Condition (1) (2) Rock, well blasted Sand and Material gravel 15 Depth of excavation (f) Angle of swing (degrees) 14 90 120 Percent swelI 159% Efficiency factor (min per hr) 40 45

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A crawler hoe having a 3 1/2 cy bucket and whose cost per hour, including the wages to an operator, is $130 will excavate and load haul units under each of the stated conditions. The maximum digging depth of the machine is 26 ft. Determine the cost per bank cubic yard for each condition. (1) Rock, well blasted Condition (2) Sand and Material gravel 15 Depth of excavation (f) Angle of swing (degrees) Percent swell 14 90 120 15% Efficiency factor (min per hr) 40 45 $0.916/bcy 50.451/bcy 50.954/bcy $0.417/bcy 50.897/bcy $0.394/bcy 50.988/bcy O 50 378/bcy
Transcribed Image Text:A crawler hoe having a 3 1/2 cy bucket and whose cost per hour, including the wages to an operator, is $130 will excavate and load haul units under each of the stated conditions. The maximum digging depth of the machine is 26 ft. Determine the cost per bank cubic yard for each condition. (1) Rock, well blasted Condition (2) Sand and Material gravel 15 Depth of excavation (f) Angle of swing (degrees) Percent swell 14 90 120 15% Efficiency factor (min per hr) 40 45 $0.916/bcy 50.451/bcy 50.954/bcy $0.417/bcy 50.897/bcy $0.394/bcy 50.988/bcy O 50 378/bcy
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