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Cycle Time Factors <br />Loading Condition Description <br />Factor (min.) <br />Source <br />Material :Material <br />1/8" to 3/4" diameter <br />-0.020 <br />(Cat HB) <br />Stockpile : <br />Conveyor or dozer piled 10 ft. high or less <br />0.010 <br />(Cat HB) <br />Truck ownership :No <br />adjustment - factor not applicable <br />0.000 <br />(Cat HB) <br />Operation : <br />Constant operation <br />-0.040 <br />(Cat HB) <br />Dump target :Nominal <br />target <br />0.000 <br />(Cat HB) <br />Road <br />segment # <br />Haul distance <br />(feet) <br />Grade <br />res. ( %) <br />Rolling <br />res. ( %) <br />Total <br />resistance ( %) <br />Speed <br />(feet/minute) <br />Travel time * <br />(minutes) <br />1 <br />1,320 <br />2.00 <br />3.00 <br />5.00 <br />1457 <br />1.033 <br />Truck/Loader Team Work cont'd <br />Task # : <br />002 <br />Loadinu Tool Cycle Time : Number of loading tool passes required to fill truck : <br />Excavators and front shovels - machine cycle time vs. job condition rating : <br />- selected value within basic rating : <br />Track loaders - material descr. :NA <br />- cycle time elements (min.) : Load : NA Maneuver : NA <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumf <br />Truck Cycle Time : <br />Truck exchange time * *: <br />Truck load time: <br />Truck maneuver and dump time: <br />Net cycle time adjustment : <br />Adjusted loader cycle time (total time per loader pass) : <br />Net load time per truck * : <br />bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />0.50 minutes Adjusted for site altitude : 0.500 minutes <br />1.450 minutes Adjusted for site altitude : 1.450 minutes <br />0.90 minutes Adjusted for site altitude : 0.900 minutes <br />** set at 0 if exchange time < adj. loader cycle time (truck exchange completed during 1st loader cycle) <br />Truck travel (haul & return) time: <br />Haul route : <br />Return route : <br />* travel time shown for each segment includes acceleration /deceleration adjustment <br />** total haul and return time shown includes altitude adjustment <br />Loading tool unit production : <br />Truck unit production : <br />Optimal no. trucks /loading tool : <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) <br />Unit cost : $0.883 /LCY <br />NA <br />NA <br />Road condition :Firm, smooth, rolling, dirt or light surfaced, watered, maintained <br />Haul time ** : <br />1,320 <br />-2.00 <br />3.00 <br />1.00 <br />3060 <br />Return time * *: <br />Total truck cycle time : <br />516.92 LCY /hour Adjusted for job efficiency : 429.05 <br />226.13 LCY /hour Adjusted for job efficiency : 187.69 <br />2 trucks Selected no. trucks /loader : 2 <br />Adjusted hourly truck team production : <br />Adjusted hourly single truck/loader team production : <br />Adjusted hourly multiple truck/loader team production : <br />Total job time : <br />Total job cost : <br />0.500 <br />-0.050 <br />0.450 <br />1.450 <br />1.033 <br />0.574 <br />0.574 <br />4.458 <br />375.37 <br />375.37 <br />375.37 <br />$14,548 <br />sheet 2 of 2 <br />passes <br />Dump : 0.100 <br />minutes <br />minutes <br />minutes <br />minutes <br />minutes <br />minutes <br />minutes <br />LCY /hour <br />LCY /hour <br />trucks <br />LCY /hr <br />LCY /hr <br />LCY /hr <br />43.90 Hours <br />