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Truck/Loader Team Work cont'd Task # : 009 sheet 2 of 2 <br />:: <br />Loading Tool Cvcle 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 <br />Wheel and track loaders -unadjusted basic loader cycle time (load, maneuver, and dumF <br />Dump : 0.100 <br />0.625 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Material 3/4" to 6"diameter 0.000 (Cat HB) <br />Stockpile : Conveyor or dozer piled 10 ft. high or less 0.010 (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 atljustment : -fxUiU minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.555 minutes <br /> Net load time per truck * : 1.210 minutes <br />Truck Cvcle Time : • bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />Truck exchange time **: 0.70 minutes........ Adjusted for site altitude : 0.700 minutes <br />Truck load time: 1.210 minutes........ Adjusted for site altitude : 1.210 minutes <br />Truck maneuver and dump time: 1.10 minutes........ Adjusted for site altitude : 1.100 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" fire penetration <br />Haul route <br />Road <br />segment# Haul distance Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed Travel time <br />(minutes) <br />1 600 8.00 3.00 11.00 750 0.829 <br />2 300 -7.00 5.00 -2.00 3512 0.129 <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route <br />Haul time ** : 0.959 minutes <br />1 300 7.00 5.00 12.00 1540 0.262 <br />2 600 -8.00 3.00 -5.00 3512 0.111 <br /> <br /> <br /> <br /> <br /> <br /> <br />` travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.372 minutes <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 4.341 minutes <br />Loading tool unit production : 1,166.23 LCY/hour...... Adjusted for job efficiency : 967.97 LCY/hour <br />Truck unit production : 513.09 LCY/hour...... Adjusted for job efficiency : 425.86 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 851.72 LCY/hr <br /> Adjusted hourly single truck/loader team production : 851.72 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 851.72 LCY/hr <br />.::.::.::::.::::.:::.::::::::::::::::::::::::.::::::::::::::::::::: <br />JOB TIME AND COST ::.::::.::::::::::::::::::::.:::::.:::::::::::::::::::::::::...:.:.......................................... ........................... ................ . <br />Fleet size : 1 Team(s) Total job time : 0.83 Hours <br />Unit cost : $1.456 /LCY Total job cost : $1,035 <br /> <br />