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Truck/Loader Team Work cont'd Task #: 31a sheet 2 of 2 <br />...... <br />Loadinci Tool Cycle Time: Number of loading tool passes required to fill truck : 2 passes <br />Excavators and front shovels - machine cycle time vs. job condition rating : NA <br />- selected value within basic rating : NA <br />Track loaders - material descr.: NA <br />- cycle time elements (min.) : Load <br />NA Maneuver: NA Dump: 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr 0.600 minutes <br />Cycle Time Factors <br />Loading Condition Description <br />Factor (min.) <br />Source <br />Material : <br />No adjustment - factor not applicable <br />0.000 <br />(Cat HB) <br />Stockpile : <br />Conveyor or dozer piled 10 ft. high or less <br />0.010 <br />(Cat HB) <br />Truck ownership : <br />Common ownership of trucks and loaders <br />-0.040 <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 />Net cycle time adjustment: <br />-0.070 <br />minutes <br />Total <br />resistance ( %) <br />Adjusted loader cycle time (total time per loader pass) : <br />0.530 <br />minutes <br />1,200 <br />Net load time per truck ' : <br />1.060 <br />minutes <br />Truck Cycle Time: <br />*bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time <br />< exchange time <br />Truck exchange time ": <br />0.00 minutes........ Adjusted for site altitude : <br />0.000 <br />minutes <br />Truck load time: <br />1.060 minutes........ Adjusted for site altitude : <br />1.060 <br />minutes <br />Truck maneuver and dump time: <br />0.90 minutes........ Adjusted for site altitude : <br />0.900 <br />minutes <br />" set at 0 if exchange time < adj. loader cycle time (truck exchange completed during 1 st loader cycle) <br />Truck travel (haul & return) time: <br />Road condition : Rutted dirt little maintenance, no water, 2" tire penetration <br />Haul route : <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 />1,200 <br />5.00 <br />5.00 <br />10.00 <br />1068 <br />1.147 <br />Return route : <br />Haul time "" : 1.147 minutes <br />Loading tool unit production : 713.21 LCY /hour...... Adjusted for job efficiency : 591.96 <br />Truck unit production : 213.00 LCY /hour...... Adjusted for job efficiency : 176.79 <br />Optimal no. trucks /loading tool : 3 trucks........... Selected no. trucks /loader : 3 <br />Adjusted hourly truck team production : 530.37 <br />Adjusted hourly single truck/loader team production : 530.37 <br />Adjusted hourly multiple truck/loader team production : 530.37 <br />minutes <br />minutes <br />LCY /hour <br />LCY /hour <br />trucks <br />LCY /hr <br />LCY /hr <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time: 18.53 Hours <br />Unit cost: $0.691 /LCY Total job cost : $ 6,788 <br />travel time shown for each segment includes acceleration /deceleration adjustment Return time ": 0.442 <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 3.549 <br />