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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A CAT D7H (power-shift) dozer is used in a pushing operation. The dozer is equipped with a straight blade. The material (dry and noncohesive) weighs 106 pcf in the bank state. It is estimated that the material will swell 7%, from bank to loose state. The center-of-mass-to-center-of-mass pushing distance is 300 ft downhill on a 3% grade. The operators have average skill and the job will be performed in dusty conditions. Job efficiency can be assumed to be equivalent to a 45-min hour. Calculate the direct cost of the proposed earthmoving operation in dollars per bcy. The company's nonnal 0&0 cost for these machines is $70 per hour and the operator's wage is $12.18 per hour plus 41 % for fringes, insurance, worker's compensation, and soon.
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