Question: A CAT 8 2 4 C with a straight blade is to be used to push a material that weighs 1 2 5 pcf in

A CAT 824C with a straight blade is to be used to push a material that weighs 125 pcf in the bank state. It is estimated that the material will swell 20%, from the bank to loose state. This cohesive soil is to be moved an average distance of 100 ft up a 12% grade. The operator is a new hire who has poor skills. Job efficiency is estimated to be equivalent to a 45- min hour. Assume that the dozer will have a 0.36 coefficient of traction. Calculate the direct cost of the proposed earthmoving operation in dollars per bcy. The 0&0 cost for the dozer is $47.30 per hour and the operator's wage is $8.76 per hour plus 34% for fringes.

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