A 240 hp (power-shift) dozer is used in a pushing operation. Thedozer is equipped with a straight blade. The material (dry andnoncohesive) weighs 98 pcf in the bank state. It is estimated thematerial will swell 6%, from bank to loose state. The center-ofmass-to-center-of-mass pushing distance is 200 ft. Job efficiencycan be assumed to be equivalent to a 45-min hour. Calculate theproduction in bey per hour and the direct cost of the proposedearthmoving operation in dollars per bey. The company's normalO&O cost for these machines is $95 per hour and the operator'swage is $15.00 per hour plus 40% for fringes, insurance, andworker's compensation.
