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Truck/Loader Team Work coniVd Task # : 009 sheet 2 of 2 <br />.............. . <br />Loadina Tool Cvcle Time : Number of loading tool passes required to fill truck : 3 passes <br />Excavators and front shovels -machine cycle time vs. job condition rating : NA <br />- selected value within basic rating <br />Track loaders - material descr.: NA <br />- cycle time elements (min.) : Load : NA Maneuver <br />NA <br />NA <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr <br />Dump : 0.100 <br />0.625 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Material 314" to 6" diameter 0.000 (Cat HB) <br />Stockpile : Conveyor or dozer piled 10 R. high or less 0.010 (Cat HB) <br />Truck ownership : Common ownership of trucks and loaders -0.040 (Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump target : Nominal target 0.000 (Cat HB) <br />Net cycle time adjustment : -0.070 minutes <br />Adjusted loader cycle time (total time per loader pass) : 0.555 minutes <br />Net load time per truck' : 1.210 minutes <br />Truck Cycle Time : • bulk of t st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />Truck exchange time ": 0.70 minutes........ Adjusted for site altitude : 0.700 minutes <br />Truck load time: 1.210 minutes........ Adjusted for site altitude : 1.210 minutes <br />Truck maneuver and dump time: 1.10 minutes........ Adjusted for site altitude : 1.100 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: Road condition : Rutted dirt, little maintenance, no water, 2" tire penetration <br />Haul rout- <br />Road <br />segment# Haul distance Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed Travel time <br />(minutes) <br />1 600 8.00 3.00 11.00 750 0.829 <br />2 300 -7.00 5.00 -2.00 3512 0.129 <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time ": 0.95.9 <br />minutes <br />1 300 7.00 5.00 12.00 1540 0.262 <br />2 600 -8.00 3.00 -5.00 3512 0.111 <br /> <br /> <br /> <br /> <br /> <br /> <br />travel time shown for each segment includes accelerationideceleration adjustment <br />total haul and return time shown includes altitude adjustment <br />Return time": 0.372 minutes <br />Total truck cycle time : 4.341 minutes <br />Loading tool unit production : 1,166.23 LCY/hour...... Adjusted for job efficiency : 967.97 LCY/hour <br />Truck unit production : 513.09 LCY/hour...... Adjusted for job efficiency : 425.86 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 851.72 LCY/hr <br /> Adjusted hourly single truck/loader team production : 851.72 LCY/hr