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TrucktLoader Team Work cont'd Task # : 025 <br />Loadlnc Tool Cvcle Tima : Number of loading tool passes required to f ll truck : 4 <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 />sheet 2 of 2 <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 material 0.020 (Cat HB) <br />Stockpile: Conveyor or dozer piled fO R. high or less 0.010 (Cat HB) <br />Truck ownership : Common ownership o/trucks end loaders -0.040 (Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump target : Nominal target 0.000 (Cat HB) <br />• <br />I• <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 />Truck Cvcle Tlme : • wk m l at ioatlar rycle wmpietetl dvrtrq t~ axrha~e H adi. ioedm cyue time < exchanse ume <br />Truck exchange time ": 0.70 minutes........ Adjusted for site altitude : 0.700 minutes <br />Truck load time: 1.675 minutes........ Adjusted for site altitude : 1.675 minutes <br />Track maneuver and dump time: 1.10 minutes........ Adjusted for site altitude : 1.100 minutes <br />-'sat at e H axMenpa time <atll. loetler ryda lima (truGt extllenge completatl duraq /s1 loatler cycle) <br />Truck travel (haul & return) time: Road condition :Rutted dirt, little maintenance, no water, 2"tire penetration <br />Haul route <br />Road <br />segments Haul distance <br />(/eel) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (°h) Speed <br />((eeUminule) Travel time' <br />(minutes) <br />1 1,200 -8.00 5.00 -3.00 3512 0.402 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Retum route: ~ Haul lime": 0.402 minutes <br />1 1,200 8.00 5.00 13.00 1362 0.930 <br />'travel time shown for each segment includes accaleretioNtlepeleration adNSMent Return lime'" 0.930 minutes <br />"total twul end rehmn time shown Indutlas altitude atljustment Total truck cycle time : 4.807 minutes <br />Loading tool unit production : 994.74 LCY/hour...... Adjusted forjob e~ciency : 825.63 LCYlhour <br />Truck unit production : 491.50 LCY/hour...... Adjusted for job efficiency : 407.95 LCYlhour <br />Optimal no. Wckslloading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 815.89 LCY/hr <br /> Adjusted hourly single trucklloader team production : 815.89 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 815.89 LCY/hr <br />:. b~ r.. .. ~ .... r :., : .' <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 4.74 Hours <br />Unit cost : $1.168 /LCY Total job cost : $4,522 <br /> <br />Z3 - Z5 <br />