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Truck/Loader Team Work cont'd Task #: 005 sheet 2 of 2 <br />Loading Tool Cycle Time : Number of loading tool passes required to fill truck : 4 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 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr <br />Dump: 0.100 <br />0.575 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 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 -I- Nominal target 0.000 (Cat HB) <br /> Net cycle time adjustment : -0.080 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.495 minutes <br /> Net load time per truck * : 1.585 minutes <br />Truck Cycle Time : bulk of 1 st loader cycle completed during truck exchange if adj. loader cycle ti me < exchange time <br />Truck exchange time **: 0.50 minutes........ Adjusted for site altitude : 0.500 minutes <br />Truck load time: 1.585 minutes........ Adjusted for site altitude : 1.723 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 1 st loader cycle) <br />Truck travel (haul & return) time: Road condition :Rutted dirt, little maintenance, no water, 2" tire pe netration <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 4,500 3.00 5.00 8.00 1381 3.301 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time ** : 3.301 <br />1 4,500 -3.00 5.00 2.00 2905 1.584 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />ninutes <br />- travel time shown Tor each segment includes acceleration/deceleration adjustment Return time**: 1.584 minutes <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 8.008 minutes <br />Loading tool unit production : 448.75 LCY/hour...... Adjusted forjob efficiency : 372.47 LCY/hour <br />Truck unit production : 124.57 LCY/hour...... Adjusted for job efficiency : 103.39 LCY/hour <br />Optimal no. trucks/loading tool : 4 trucks........... Selected no. trucks/loader : 4 trucks <br /> Adjusted hourly truck team production : 413.56 LCY/hr <br /> Adjusted hourly single truck/loader team production : 372.47 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 372.47 LCY/hr <br />JOB TIME AND COST <br />Fleet size : f Team(s) Total job time : 20.94 Hours <br />Unit cost : $1.116 /LCY Total job cost : $8,702