engineering economics, Civil Engineering

Ask quA contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum size shovel that will excavate 450,000 bcy of common earth in a minimum of 120 working days of 10 hr each. The average height of excavation will be 18 ft, and the average angle of swing will be 80 degrees. The 3-cy shovel has a maximum digging height of 30 ft and the 5-cy machine;s maximum digging height is 34 ft. The efficiency factor will be a 50-min hour. Appropriate-size units can be used with either shovel. How many days will it require to complete the work? (5-cy machine, 105 days to complete
estion #Minimum 100 words accepted#
Posted Date: 7/11/2019 2:30:43 AM | Location : Ethiopia

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