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Truck/Loader Team Work cont'd Task # : 05a sheet 2 of 2 <br />Loadinq Tool Cycle 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 : NA <br />Track loaders - material descr.: NA <br />- cycle time elements (min.) : Load : NA Maneuver : NA Dump: 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr 0.550 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 aajustment : -u.uou nnnutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.490 minutes <br /> Net load time per truck 1.080 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: 1.080 minutes........ Adjusted for site altitude : 1.080 minutes <br />Truck maneuver and dump time: 0.80 minutes........ Adjusted for site altitude : 0.800 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 />Hard rnuta <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 />1 400 0.00 5.00 5.00 2218 0.250 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time ** : 0.250 minutes <br />minutes <br />minutes <br />Loading tool unit production : 373.81 LCY/hour...... Adjusted forjob efficiency : 310.27 LCY/hour <br />Truck unit production : 210.91 LCY/hour...... Adjusted for job efficiency : 175.05 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 350.10 LCY/hr <br /> Adjusted hourly single truck/loader team production : 310.27 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 310.27 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 15.34 Hours <br />Unit cost : $1.190 /LCY Total job cost : $5,662 <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.171 <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 2.800