Question: 7 . 1 0 A grader will be used to maintain 3 miles of haul road. It is estimated the work will require removing ruts

7.10 A grader will be used to maintain 3 miles of haul road. It is estimated the work will require removing ruts with two passes in first gear, leveling the road with two passes in second gear, and final shaping of the road with three passes in fourth gear. Use an efficiency factor of 60%. Grader speeds are provided in the chart. Estimate the time requirement for this task.
7 . 1 0 A grader will be used to maintain 3 miles

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