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<br />HOURLY PRODUCTION cont~d <br />_____________________ <br />_____________________ <br />Loader Cycle Time cont'd <br />Rolling Resistance <br />------------------ <br />Roadway underf noting conditions: <br />Haul Loose sand or gravel <br />Return: Loose sand or gravel <br />Haul 8 Return Time grade rolling total <br />------------------ length res, res. res. <br />(ft) (%) (%) {%) <br />Haul route 150 2.00 10.00 12.00 <br />Return route: 150 -2.00 10.00 8.00 <br />___ _ ___--_ --- ___ <br />' Total travel time <br />Total cycle Time <br /> <br />sheet 2 of 2 <br />travel <br />time <br />(min) <br />0.269 (CAT HB) <br />0.477 (CAT H8) <br />0.745 <br />1.355 minutes <br />Loader Bucket Capacity <br />Rated Capacity 2.25 LCY (heaped) <br />Bucket fill factor 0.675 Blasted rock - poorly blasted (60 - 75%) <br />Adjusted capacity 1,52 LCY <br />Job Condition Correction Factors <br />Site altitude : 7,180 feet <br />Altitude correction factor 1.00 (CAT HB) <br />Job efficiency factor 0.83 (1sh/day) <br />Net correction 0.83 multiplier <br />Unadjusted hourly unit production 67.23 LCY/Hr <br />Adjusted hourly unit production 55.80 LCY/Hr <br />Adjusted hourly fleet production 55.80 LCY/Hr <br />JOB COST <br />Fleet size 1 Loader(s) Total jab time 1.79 Hours <br />------------ <br />Unit cost _____ <br />50 -_-- <br />.798 /LCY Total - <br />job cost 879.81 <br />