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Truck/Loader Team Work cont'd Task #: 006 sheet 2 of 2 <br />Loading 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 <br />NA Maneuver: NA Dump: 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr 0.525 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 : Small target 0.040 (Cat HB) <br /> Net cycle time adjustment : -0.020 <br /> Adjusted loader cycle time (total time per loader pass) : 0.505 <br /> Net load time per truck * : 1.515 <br />Truck Cycle Time : *bulk of 1st loader cycle completed during truck exchange if adj. loader cycle t ime < exchange time <br />Truck exchange time **: 0.00 minutes........ Adjusted for site altitude : 0.000 <br />Truck load time: 1.515 minutes........ Adjusted for site altitude : 1.515 <br />Truck maneuver and dump time: 0.80 minutes........ Adjusted for site altitude : 0.800 <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 p <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 />1 300 0.00 5.00 5.00 2218 0.205 <br />2 300 10.00 5.00 15.00 734 -0.390 <br />3 300 0.00 5.00 5.00 2218 0.166 <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />minutes <br />minutes <br />minutes <br />minutes <br />minutes <br />minutes <br />Haul time ** : 0.001 minutes <br />1 300. 0.00 5.00 5.00 2814 0.135 <br />2 300 -10.00 5.00 -5.00 2938 0.147 <br />3 300 0.00 5.00 5.00 2814 0.107 <br /> <br /> <br /> <br /> <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.369 minutes <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 2.705 minutes <br />Loading tool unit production : 376.49 LCY/hour...... Adjusted for job efficiency : 312.48 LCY/hour <br />Truck unit production : 210.89 LCY/hour...... Adjusted for job efficiency : 175.04 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 350.07 LCY/hr <br /> Adjusted hourly single truck/loader team production : 312.48 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 312.48 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 63.36 Hours <br />Unit cost : $0.640 /LCY Total job cost : $12,664