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Cycle Time Factors <br />Loading Condition Description <br />Factor (min.) <br />Source <br />Material : <br />Mixed material <br />0.020 <br />(Cat HB) <br />Stockpile : <br />No adjustment - factor not applicable <br />0.000 <br />(Cat HB) <br />Truck ownership : <br />No adjustment - factor not applicable <br />0.000 <br />(Cat HB) <br />Operation • <br />Constant operation <br />-0.040 <br />(Cat HB) <br />Dump target : <br />Nominal target <br />0.000 <br />(Cat HB) <br />Road <br />segment # <br />Haul distance <br />(miles) <br />Grade <br />res. ( %) <br />Rolling <br />res. ( %) <br />Total <br />resistance ( %) <br />Speed <br />(miles/hour) <br />Travel time * <br />(minutes) <br />1 <br />10 <br />NA -user <br />NA -user <br />NA -user <br />50 <br />12.000 <br />Truck/Loader Team Work cont'd Task # : 008 <br />Track loaders - material descr. : NA <br />- cycle time elements (min.) : Load : NA Maneuver : NA <br />" set at 0 if exchange time < adj. loader cycle time (truck exchange completed during 1st loader cycle) <br />Truck travel (haul & return) time: Road condition : NA -user <br />Haul route : <br />Return route : <br />Loading Tool Cycle Time : Number of loading tool passes required to fill truck : <br />Excavators and front shovels - machine cycle time vs. job condition rating : NA <br />- selected value within basic rating : NA <br />Net cycle time adjustment : <br />Adjusted loader cycle time (total time per loader pass) : <br />Net load time per truck * : <br />Haul time ** : <br />2 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr 0.525 minutes <br />-0.020 <br />0.505 <br />0.605 <br />Truck Cycle Time : * bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />Truck exchange time * *: 0.50 minutes Adjusted for site altitude : 0.515 minutes <br />Truck load time: 0.605 minutes Adjusted for site altitude : 0.605 minutes <br />Truck maneuver and dump time: 0.80 minutes Adjusted for site altitude : 0.825 minutes <br />12.000 minutes <br />10 <br />NA -user <br />NA -user <br />NA -user <br />50 <br />travel time shown for each segment includes acceleration /deceleration adjustment Return time * *: <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : <br />Loading tool unit production : 365.47 LCY /hour <br />Truck unit production : 15.78 LCY /hour <br />Optimal no. trucks /loading tool : 23 trucks <br />JOB TIME AND COST <br />Fleet size : <br />Unit cost : <br />Adjusted <br />Adjusted hourly single <br />Adjusted hourly multiple <br />1 Team(s) <br />$6.610 /LCY <br />Adjusted for job efficiency : <br />Adjusted for job efficiency : <br />Selected no. trucks /loader : <br />hourly truck team production : <br />truck/loader team production : <br />truck/loader team production : <br />12.000 <br />12.000 <br />Total job time : 21.47 Hours <br />Total job cost : $7,437 <br />sheet 2 of 2 <br />passes <br />Dump : 0.100 <br />minutes <br />minutes <br />minutes <br />minutes <br />25.945 minutes <br />303.34 LCY /hour <br />13.10 LCY /hour <br />4 trucks <br />52.40 LCY /hr <br />52.40 LCY /hr <br />52.40 LCY /hr <br />