Engineering
Engineering, 26.10.2019 00:43, SkinnestXOXO

A240 hp (power-shift) dozer is used in a pushing operation. the dozer is equipped with a straight blade. the material (dry and noncohesive) weighs 98 pcf in the bank state. it is estimated the material will swell 6%, from bank to loose state. the center-of mass–to–center-of-mass pushing distance is 200 ft. job efficiency can be assumed to be equivalent to a 45-min hour. calculate the production in bcy per hour and the direct cost of the proposed earthmoving operation in dollars per bcy. the company's normal o& o cost for these machines is $95 per hour and the operator's wage is $15.00 per hour plus 40% for fringes, insurance, and worker's compensation. (207 bcy/hr, $0.561/bcy).

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A240 hp (power-shift) dozer is used in a pushing operation. the dozer is equipped with a straight bl...

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