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Truck/Loader Team Work cont'd Task # : 034 sheet 2 of 2 <br />Loading Tool Cvcle Ttme : 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 Dump : 0.100 <br />Wheel and track loaders -unadjusted basic loader cycle time (load, maneuver, and duml 0.625 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Mixed material 0.020 (Cat Hl3) <br />Stockpile : Conveyor or dozer piled 10 ft. high or less 0.010 (Cat HL3) <br />Truck ownership : Common ownership of trucks and loaders -0.040 (Cat HB) <br />Operation : Constant operation -0.040 (Cat Ht3) <br />Dump target : Nominal target 0.000 (Cat HL3) <br /> Net cycle time atl)ustment : -0.05o minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.575 minutes <br /> Net load time per truck " : 1.825 minutes <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 *': 0.70 minutes........ Adjusted for site altitude : 0.700 minutes <br />Truck load time: 1.825 minutes........ Adjusted for site altitude : 1.825 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"tire penetration <br />Hard rnuta <br />Road <br />segment # Haul distance Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed Travel time' <br />(minutes) <br />1 1, 500 3.00 5.00 8.00 1023 1.522 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time " : 1.522 minutes <br />"travel time shown for each segment includes acceleration/deceleration adjustment Return time"~: 0.615 minUteS <br />'" total haul and return time shown includes altitude adjustment Total truck cycle time : 5.762 minutes <br />Loading tool unit production : 935.64 LCY/hour...... Adjusted for job efficiency : 776.58 LCY/hour <br />Truck unit production : 410.02 LCY/hour...... Adjusted for job efficiency : 340.32 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 680.64 LCY/hr <br /> Adjusted hourly single truck/loader team production : 680.64 LCY/hr <br /> Adjusted hourly multiple truck loader team production : 680.64 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 3.02 Hours <br />Unit cost : $1.545 /LCY Total job cost : $3,181 <br /> <br />Z3 ' Z~ <br />~xti <br />