4. ESTIMATING ROAD CONSTRUCTION UNIT COSTSExplore further
2021-2-17u2002·u2002If the grader cost is $30/hr, the unit cost of grading is UC = 30/.17 = $176/km Similarly, the rate of pulling ditches per kilometer can be estimated. 4.6 Surfacing. Surfacing costs are a function of the type of surfacing material, the quantity of surfacing material per square meter, and the length of haul.
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