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Truck/Loader Team Work cont'd Task # : o1a 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 : NA Maneuver : NA Dump : 0.100 <br />Wheel and track loaders -unadjusted basic loader cycle time (load, maneuver, and dump) : 0.550 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Mixed material 0.020 (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 : Constant operation -0.040 (Cat HL3) <br />Dump target : Nominal target 0.000 (Cat HB) <br /> Net cycle time adjustment : -U.U4U minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.510 minutes <br /> Net load time per truck' : 1.530 minutes <br />Truck Cycle Time : 'bulk of 1st loader cycle completed dudng truck exchange if adj. loader cycle time ~ exchange time <br />Truck exchange time **: 0.00 minutes........ Adjusted for site altitude : 0.000 minutes <br />Truck load time: 1.530 minutes........ Adjusted for site altitude : 1.530 minutes <br />Truck maneuver and dump time: 0.80 minutes........ Adjusted for site altitude : 0.800 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 />Hai d rro ita <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 1,000 0.00 5.00 5.00 2218 0.520 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time *' : 0.520 minutes <br />minutes <br />minutes <br />Loading tool unit production : 386.03 LCY/hour...... Adjusted for job efficiency : 320.40 LCY/hour <br />Truck unit production : 182.62 LCY/hour...... Adjusted for job efficiency : 151.58 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br />Adjusted hourly truck team production : 303.15 LCY/hr <br />Adjusted hourly single truck/loader team production : 303.15 LCY/hr <br />Adjusted hourly multiple truck/loader team production : 303.15 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 24.74 Hours <br />Unit cost : $0.726 /LCY Total job cost : $5,443 <br />• travel time shown for each segment includes acceleration/deceleration adjustment Return time": 0.384 <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 3.234 <br />