NCEES Civil PE Specification Construction Operations and Methods: Equipment selection and operations
Problem
To fulfill the soil requirement for a new highway, a contractor needs to transport 1,750 cubic yards of soil from a borrow site situated 1.5 miles away. The round trip, including loading, traveling, and dumping, takes an average of 48 minutes. The soil has a unit weight of 125 lb/ft³, and the dump truck drivers work 8-hour days. The trucks used for transportation have a net capacity of 10 tons. Determine the minimum number of days needed to complete the task with a fleet of 6 trucks.
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