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Truck/Loader Team Work cont'd Task #: 041 <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 />Track loaders - material descr.:NA <br />- cycle time elements (min.) : Load <br />sheet 2 of 2 <br />2 passes <br />NA Maneuver: NA <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and duml <br />Dump : 0.100 <br />0.500 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Mixed material 0.020 (Cat HB) <br />Stockpile : Conveyor or dozer piled 10 ft. high and up 0.000 (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 : -0.060 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.440 minutes <br /> Net load time per truck * : 0.540 minutes <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 : 0.500 minutes <br />Truck load time: 0.540 minutes........ Adjusted for site altitude : 0.587 minutes <br />Truck maneuver and dump time: 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: Road condition : Rutted dirt, little maintenance, no water, 2" tire penetration <br />Haul route : <br />Road <br />segment # Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(feet/minute) Travel time <br />(minutes) <br />1 1,000 -5.00 5.00 0.00 2938 0.474 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time ** : 0.474 minutes <br />minutes <br />minutes <br />Loading tool unit production : 471.96 LCY/hour...... Adjusted for job efficiency : 391.73 LCY/hour <br />Truck unit production : 168.53 LCY/hour...... Adjusted for job efficiency : 139.88 LCY/hour <br />Optimal no. trucks/loading tool : 3 trucks........... Selected no. trucks/loader : 3 trucks <br /> Adjusted hourly truck team production : 419.65 LCY/hr <br /> Adjusted hourly single truck/loader team production : 391.73 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 391.73 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 70.97 Hours <br />Unit cost : $1.583 /LCY Total job cost : $43,998 <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.583 <br />"total haul and return time shown includes altitude adjustment Total truck cycle time: 3.044