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Truck/Loader Team Work cont'd Task n : 002 <br />Loading Tool Cycle Time : 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 loader cycle time (load, maneuver, and <br />sheet 2 of 2 <br />3 passes <br />Dump: 0.700 <br />0.525 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 70 ft. high or less 0.070 (Cat HB) <br />Truck ownership : Independently owned trucks 0.040 (Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump target : Nominal target 0.000 (Cat HB) <br /> Net cycle time adjustment : 0.030 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.555 minutes <br /> Net load time per truck' : 1.210 minutes <br />Truck Cycle Time: 'bulk of tst loadercycle completed tludng truck exchange ii adj. loadercycie time<erchange time <br />Truck exchange time ": 0.50 minutes........ Adjusted for site altitude : 0.562 minutes <br />Truck load time: 1.210 minutes........ Adjusted for site altitude : 7.551 minutes <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 7.011 minutes <br />"set at 0 if exchange time < adj. loatler cycle time (truck exchange completed tlunng 1st loatler cycle) <br />Truck travel (haul & return) time: Road condition :Soh, rutted dirt, no maintenance or water, 4"tire penetration <br />Haul route <br />Road <br />segmemx Haul distance <br />(/eet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(ieeUminute) Travel time ` <br />(minutes) <br />7 7,200 0.00 8.00 8.00 1381 0.933 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time `" : 1.049 <br />1 1,200 0.00 8.00 8.00 2202 0.574 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />ninutes <br />' travel time shown for each segment includes aceeleratioNtleceleration adjustment Return time". 0.645 minuteS <br />"total haul and return time shown includes altitutle adjustment Total truck cycle time : 4.818 minOteS <br />Loading tool unit production : 424.85 LCY/hour...... Adjustetl for job efficiency : 352.63 LCY/hour <br />Truck unit production : 186.33 LCY/hour...... Adjusted forjob efficiency : 754.65 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 309.30 LCYlhr <br /> Adjusted hourly single truckAoader team production : 309.30 LCY/hr <br /> Adjusted houdy multiple truckfloader team production : 309.30 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 33.95 Hours <br />Unit cost : $1.549 /LCY Total job cost : $16,262 <br />