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Task # : 271 sheet 2 of 2 <br />Truck/Loader Team Work conYd <br />,. <br />Loading Tool Cycle Ttme : 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 ' <br />Maneuver : NA <br />Dump : 0.100 <br />Wheel and track loaders -unadjusted basic loader cycle time (load, maneuver, and dumF 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 HB) <br />Dump target : Small target 0.040 (Cat HB) <br /> Net cycle ume aajus[men[ : v.vvv ~~~~~~.,.~~ <br /> Adjusted loader cycle time (total time per loader pass) : 0.550 minutes <br /> Net load time per truck' : 1.850 minutes <br />Truck CVCIe Time • • bulk of 1st loader cycle completed during 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: 1.650 minutes........ Adjusted for site altitude : 1.650 minutes <br />Truck maneuver and dump time: 0.90 minutes..:..... Adjusted for site altitude : 0.900 minutes <br />"set at 0'rf exchange time < adj. loader cycle time (truck exchange completed during 1st loader cycle) <br />Truck travel (haul 8 return) time: Road condition : NA-user <br />Road <br />segment# Haul distance <br />(miles) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(miles/hour) Travel time' <br />(minutes) <br />1 g NA-user NA-user NA-user 30 18.000 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />o,..,.,.. ,,,,,.e . Haul time " : 18.000 <br />minutes <br />K@[Urft [Ime ro.wv minutes <br />Total truck cycle time : 38.550 minutes <br />Loading tool unit production : 357.95 LCY/hour...... Adjusted for job efficiency : 297.10 LCY/hour <br />Truck unit production : 15.32 LCY/hour...... Adjusted for job efficiency : 12.72 LCY/hour <br />Optimal no. trucks/loading tool : 23 trucks........... Selected no. trucks/loader : 8 trucks <br /> Adjusted hourly truck team production : >01.73 LCY/hr <br /> Adjusted hourly single truck/loader team production : 101.73 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 101.73 LCY/hr <br /> <br />,:: _ . <br />JOB TIME AND COST <br />Fleet size : 1 Team(s)', Total job time : 33.18 Hours <br />Unit cost : $9.439 /LCY Total job cost : $31,857 <br /> >;::, <br />travel time shown for each segment includes acceleration/deceleration adjustment <br />i <br />"total haul and return time shown incudes altitude adjustment <br />