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Truck/Loader Team Work cont'd Task # • 003 sheet 2 of 2 <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 />Track loaders - material descr :NA <br />3 <br />- selected value within basic rating . NA <br />- cycle time elements (min.) : Load : NA <br />Maneuver . NA <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr <br />passes <br />Dump • 0 100 <br />0.625 minutes <br />Cycle Time Factors <br />Loading Condition Description <br />Factor (min.) <br />Source <br />Material • <br />Mixed material <br />0 020 <br />(Cat HB) <br />Stockpile <br />Conveyor or dozer piled 10 ft high and up <br />0 000 <br />(Cat HB) <br />Truck ownership : <br />Common ownership of trucks and loaders <br />-0.040 <br />(Cat HB) <br />Operation : <br />No adjustment - factor not applicable <br />0 000 <br />(Cat HB) <br />Dump target : <br />Nominal target <br />0 000 <br />(Cat HB) <br />Net cycle time adjustment . <br />Adjusted loader cycle time (total time per loader pass) . <br />Net load time per truck * • <br />-0.020 <br />0.605 <br />1.310 <br />minutes <br />minutes <br />minutes <br />Truck Cycle Time : * bulk of 1st loader cycle completed during truck exchange if adj loader cycle time < exchange time <br />Truck exchange time **. 0 70 minutes Adjusted for site altitude . 0 700 minutes <br />Truck load time: 1 310 minutes . Adjusted for site altitude . 1 310 minutes <br />Truck maneuver and dump time: 1 10 minutes Adjusted for site altitude : 1 100 minutes <br />"set at 0 if exchange time < adj loader cycle time (truck exchange completed during 1st loader cycle) <br />Truck travel (haul & return) time. Road condition : Firm, smooth, rolling, dirt/It surfaced. watered, maintained <br />Haul route . <br />Road <br />segment# <br />Haul distance <br />(feet) <br />Grade <br />res. (%) <br />Rolling <br />res (%) <br />Total <br />resistance (%) <br />Speed <br />(feet/minute) <br />Travel time * <br />(minutes) <br />1 <br />1,500 <br />0 00 <br />3 00 <br />3 00 <br />2983 <br />1 057 <br />Return route • <br />1 <br />Haul time ** : <br />1.057 minutes <br />1,500 <br />0 00 <br />3 00 <br />3 00 <br />3569 <br />0.647 <br />travel time shown for each segment includes acceleration/deceleration adjustment <br />"total haul and return time shown includes altitude adjustment <br />Loading tool unit production : 982 28 LCY/hour <br />Truck unit production : 410,09 LCY/hour <br />Optimal no. trucks/loading tool 2 trucks. <br />JOB TIME AND COST <br />Fleet size . <br />Unit cost : <br />Adjusted <br />Adjusted hourly single <br />Adjusted hourly multiple <br />2 Team(s) <br />$1.160 /LCY <br />Return time**: <br />Total truck cycle time : <br />0.647 <br />minutes <br />4.814 minutes <br />Adjusted for job efficiency . 815 29 LCY/hour <br />Adjusted for job efficiency . 340 38 LCY/hour <br />Selected no. trucks/loader . <br />hourly truck team production : <br />truck/loader team production . <br />truck/loader team production : 1,361.51 LCY/hr <br />2 trucks <br />680 76 LCY/hr <br />680 76 LCY/hr <br />Total job time : 225.48 Hours <br />Total job cost : $356,049 <br />