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Truck)Loader Team Work cont'd Task # : 231 sheet 2 of 2 <br />Loadins~ Tool Cvcle Time : Number of loading tool passes required to fill truck : 7 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 duml 0.575 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Bank or broken material 0.040 (Cat HB) <br />Stockpile : Dumped by truck 0.020 (Cat HB) <br />Truck ownership : Common ownership of trucks and loaders -0.040 (Cat HB) <br />Operation : Inconsistent operation 0.040 (Cat HB) <br />Dump target : Fragile target 0.050 (Cat HB) <br /> Net cycle time adjustment : 0.110 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.685 minutes <br /> Net load time per truck " : 4.795 minutes <br />Truck Cvcle Time : • bulk of 1st loader cycle completed during truck exchangerf adj. loader cycle time < exchange time <br />Truck exchange time'*: 0.00 minutes........ Adjusted for site altitude : 0.000 minutes <br />Truck load time: 4.795 minutes........ Adjusted for site altitude : 5.212 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 t st loader cycle) <br />Truck travel (haul & return) time: Road condition :Rutted dirt, little maintenance, no water, 2" fire penetration <br />Haul route <br />Road <br />segment# Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(feeUminute) Travel time' <br />(minutes) <br />1 5, 280 10.00 5.00 15.00 427 12.371 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time " : 12.371 minutes <br />'travel time shown for each segment includes acceleraticNdeceleration adjustment Return time": 1.723 minutes <br />"total haul and return time shown includes attitude adjustment Total truck cycle time : 20.206 minutes <br />Loading tool unit production : 191.39 LCY/hour...... Adjusted for job efficiency : 158.85 LCY/hour <br />Truck unit production : 49.37 LCY/hour...... Adjusted forjob efficiency : 40.97 LCY/hour <br />Optimal no. trucks/loading tool : 4 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 81.95 LCY/hr <br /> Adjusted hourly single trucklloader team production : 81.95 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 81.95 LCY/hr <br />,.. ... . <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 24.41 Hours <br />Unit cost : $3.731 /LCY Total job cost : $7,462 <br /> <br />