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• <br />Truck/Loader Team Work cont'd Task # : 030 sheet 2 of 2 <br />Loadlna Tool Cvcle Tlme : Number of loading tool passes required to fill truck : 4 passes <br />Excavators and front shovels -machine cycle time vs. job condition rating <br />- selected value within basic rating <br />Track loaders -material descr.:NA <br />-cycle time elements (min.) : Load <br />NA <br />NA <br />Maneuver : NA Dump : 0.100 <br />Wheel and track loaders -unadjusted basic loader cycle time (load, maneuver, and dumt 0.575 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Mixed matedal 0.020 (Cat HB) <br />Stockpile: Conveyor or dozer piled fO N. high or less 0.010 (Cat HB) <br />Truck ownership : Common ownership o/trucks and loaders -0.040 (Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump larget: NOminal target 0.000 (Cat HB) <br />Net cycle time adjustment : -0.050 minutes <br />Adjusted loader cycle time (total time per loader pass) : 0.525 minutes <br />Net load time per truck' : 1.675 minutes <br />• <br /> <br />Truck Cvcle Tlme : • ank or ~ st loetlar rycle completes tlurina wat eachenge it aal. loetler cycle ume < eaaterge eme <br />Truck exchange lime'": 0.70 minutes........ Adjusted for site altitude : 0.700 minutes <br />Truck load tune: 1.675 minutes........ Adjusted for site altitude : 1.675 minutes <br />Truck maneuver and dump time: 1.10 minutes........ Adjusted for site altitude : 1.100 minutes <br />"set al0 a exchange time <edj. loatler qGa time (truck extltanae completetl tlurina 1s1 loetler qde) <br />Truck travel (haul 8 return) time: Road condition :Rutted dirt, little maintenance, no water, 2"tire penetration <br />Haul route <br />Road <br />ae9menta Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (°/a) Speed <br />(reet/minute) Travel time ' <br />(minutes) <br />1 1,000 -8.00 5.00 -3.00 3512 0.343 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route <br />Haul time": 0.343 minutes <br />'travel lime sloven ror each segment inGudea axalerelioNtlecaleralion eClusimenl Return time°~ 0.783 minutes <br />"total haul entl return time shorn intludas aititutle atliuaMent Total truck cycle lime : 4.601 minutes <br />Loading tool unit production : 994.74 LCY/hour...... Adjusted for job efficiency : 825.63 LCY/hour <br />Truck unit production : 513.48 LCY/hour...... Adjusted for job efficiency : 426.19 LCY/hour <br />Optimal no. trueks/loading tool : 2 trucks........... Selected no. trucks/loader: 2 trucks <br /> Adjusted hourly truck team production : 852.38 LCY/hr <br /> Adjusted hourly single truck/loader team production : 825.63 LCY/hr <br /> Adjusted hourly multiple trucWloader team production : 825.83 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 7.62 Hours <br />Unit cost : $1.150 /LCY Total job cost : $7,234 <br /> <br />Z3 - 35 <br />