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TrucW'Loader Team Work cont'd Task # : 0l9 <br />Loading Tool Cycle Tlme : Number of loading tool passes required to fill truck <br />Excavators and front shovels -machine cycle time vs. lob 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 (loatl, maneuver, and dump ) <br />sheet 2 0l 2 <br />5 passes <br />Dump: 0.100 <br />0.490 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Matedal: Mixed material ~ 0.020 (Cat HBJ <br />Stockpile : Conveyor or dozer piled f0 (t. high or less 0.010 (Cal HB) <br />Truck ownership : Common ownership of !rucks and loaders -0.040 (Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump target : Nominal target 0.000 (Cat HBJ <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) : 7.860 minutes <br />Truek Cvcle Time <br />Truck exchange time: 0.50 minutes........ Adiusted for site altitude : 0.50 minutes <br />Truck load lime: 1.860 minutes........ Adjusted for site altitude : 1.66 minutes <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 0.90 minutes <br />Truck travel (haul & return) time: <br />Road condition description :Rutted dirt, little maintenance, no wafer, 2' tiro penetration <br />Haul route <br />Roatl <br />seg. # Haul distance <br />leet Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />leeb'minute Travel lime' <br />(minutes) <br />1 250 0.00 5.00 5.00 1695 0.23 <br />2 1,700 8.00 5.00 13.00 675 2.52 <br />3 800 5.00 5.00 10.00 920 0.91 <br /> <br /> <br /> <br /> <br /> <br />Return ro ute : Haul time " : 3.65 <br />1 800 -5.00 5.00 0.00 3520 0.33 <br />2 1,700 -8.00 5.00 -3.00 3520 0.48 <br />3 250 0.00 5.00 5.00 3200 0.15 <br /> <br /> <br /> <br /> <br /> <br />' first antl last segmen¢ atllusratl tar accelerapoNtlecelera~ion Return time " <br />" Lme shown inclutles allnutle atl~us~menl Total ImCk Cycle lime <br />Loading tool unit production : 389.30 LCY hour...... Adjusted for job efliciency <br />Truck unit production : 116.60 LCY hour...... Adjusted for job efficiency <br />Optimal no. Irucks/loading tool : 3 trucks........... Selected no. trucksAOader <br />Adjusted hourly (ruck team production <br />Adjusted houdy single 1ruclNOader team production <br />Adjusted hourly multiple 1ruclNoader team production <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time <br />Unit cost : $2.285 /LCY Total jab cost <br />nnutes <br />0.97 minutes <br />7.88 minutes <br />323.12 LCY/hour <br />96.77 LCY/hour <br />3 trucks <br />290.32 LCY/hr <br />290.32 LCY/hr <br />290.32 LCY/hr <br />22.47 Hours <br />