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Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Matedal : Mixed materiel 0.020 (Cal HB) <br />Slockpile: Conveyor ordozerpiled f0 ft. high or less 0.010 (Cat HB) <br />Truck ownership : Common ownership of trucks end loaders -0.040 (Cat H8) <br />Operation : Constant operation -0.040 (Cat HB) <br />- Dump target : Nominal target 0.000 (Cat HB) <br /> <br /> Net cycle time adjustment : -0.050 minutes <br /> Adjusted loader cycle time (total lime per loader pass) : 0.525 minutes <br /> Net load time per truck' : 1.675 minutes <br />TfUCk CYCIB TInIB : 'trulk al 7 sl loader ryGe canpletatl tludrq Vudc exchenpe it etlj. loatler ryGe time <enmerga lime <br />Truck exchange time ": 0.70 minutes........ Adjusted for site altitude : 0.700 minutes <br />Tmck load lime: 1.675 minutes........ Adjusted for site altitude : 1.675 minutes <br />Truck maneuver and dump time: 1.10 minutes........ Adjusted for site altitude : 1.100 minutes <br />•'sat al0 H exchenpe time <adj. loader rycle time (truck excherpe completed tlurliq 1st loatler rycla) <br />Truck travel (haul 8 return) time: Road condition :Rutted dirt, little maintenance, no water, 2" fire penehation <br />Haul route <br />Road <br />eepmenlN Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(feet/minute) Travel time' <br />(minutes) <br />1 600 17.00 5.00 22.00 359 1.675 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Retum route : Haul time ": 1.875 minutes <br />minutes <br />minutes <br />Loading tool unit production : 994.74 LCY/hour...... Adjusted for jpb efficiency : 825.63 LCYlhour <br />Truck unit production : 425.19 LCY/hour...... Adjusted for job efficiency : 352.91 LCY/hour <br />• Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 705.82 LCY/hr <br /> Adjusted hourly single trucWloader team production : 705.82 LCY/hr <br /> Adjusted hourly multiple trucWloader team production : 705.82 LCY/hr <br /> <br />JOB TIME AND COST <br />• <br />Fleet size 1 Team(s) Total'ob time 807 Hours <br />Unit cost : <br />: $1.333 /LCY Total job cost : $7,588 <br />. <br />,. .r .~.a ..: w.::. ~. ~~ <br />z3 -31 <br />•treveltime shown(or each aeBment Includes acceleretioNdecelerelion adjustment Return lime": 0.408 <br />"total haul end return time shown inclaaee enilWe aaiusimem Total truck cycle time : 5.556 <br />