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Truck/Loader Team Work cont'd Task # : 071 <br />Loading Tool Cycle 71me : Number of loading tool passes required to fill truck <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 <br />Wheel and track loaders -unadjusted basic cycle time (load, maneuver, and dump ) <br />sheet 2 of 2 <br />5 passes <br />Dump : 0.700 <br />0.490 minutes <br />Cycle Time Factors loading Condition Description Factor (min.) Source <br />Material ~ Mixed mafedal 0.020 (Cat HB) <br />Stockpile : Conveyor or dozer piled 10 tt. high or less 0.010 (Car HB) <br />Truck ownership : Common ownership o! trucks and loaders -0.040 (Cat HB) <br />Operation . Constant ope2rion -0.040 (Car HB) <br />Dump target Nominal target 0.000 (Cat HB) <br /> Net cycle time adjustment : -0.050 minutes <br /> Adjusted basic cycle time : 0.440 minutes <br />Net load time per truck (bulk of first loader pass completed during truck exchange) : <br />' 1.860 minutes <br />Truck ( <br />,yele Time <br />Truck exchange time: 0.50 minutes........ <br />Adjusted for site altitude : <br />0.50 <br />minutes <br />Truck load time: 1.860 minutes........ Adjusted for site altitude : 1.86 minutes <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 0.90 minutes <br />Truck travel (haul 8 return) time: <br />Road condition description :Rutted dirt, little maintenance. no wafer, 2'tire penetration <br />Haul route <br />Road <br />seg. q Haul distance <br />leet Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />leet/minute Travel time' <br />(minutes) <br />1 1,200 0.00 5.00 5.00 7695 0.78 <br />2 800 2.50 5.00 750 1177 0.68 <br />3 1,500 10.00 5.00 15.00 616 2.45 <br /> <br /> <br /> <br /> <br /> <br />Retum route <br />Haul time": 3.91 minutes <br />1 1,500 -10.00 5.00 •5.00 3520 0.53 <br />2 800 -2.50 5.00 2.50 3360 0.24 <br />3 1,200 0.00 5.00 5.00 3200 0.48 <br /> <br /> <br /> <br /> <br /> <br />' first and lest segments eErystaE br eccelaraliWtleCelaratxNl Return time "' 1.25 minutes <br />•• rma mown mciuaas aeuva aaiucrmem Total truck cycle time : 8.42 minutes <br />Loading tool unit production : 389.30 LCY/hour...... Adjusted for job eKCiency : 323.12 LCY/hour <br />Truck unit production : 109.17 LCY hour...... Adjusted for job efficiency : 90.61 LCY/hour <br />Optimal no. trucks/loatling tool : 4 trucks........... Selectetl no. trucks loader : 4 trucks <br /> Adjusted hourly truck team production : 362.44 LCY/hr <br /> Adjusted hourly single track/loader team production : 323.12 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 323.12 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : <br />1 Team(s) Total job time : <br />12.38 <br />Hours <br />Unit cost : $1.799 /LCY Total job cost : 57,196 <br />