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Truck/Loader Team Work cont'd Task #: 31c sheet 2 of 2 <br />. <br />Loadina Tool Cycle Time : Number of loading tool passes required to fill truck : 1 passes <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 <br />NA Maneuver : NA Dump : 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr 0.600 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Material 6" and over diameter 0.030 (Cat HB) <br />Stockpile : No adjustment - factor not applicable 0.000 (Cat HB) <br />Truck ownership : Common ownership of trucks and loaders -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 : -0.050 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.550 minutes <br /> Net load time per truck * : 0.550 minutes <br />Truck Cycle Time : bulk of 1 st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />Truck exchange time **: 0.00 minutes........ Adjusted for site altitude : 0.000 minutes <br />Truck load time: 0.550 minutes........ Adjusted for site altitude : 0.550 minutes <br />Truck maneuver and dump time: 0.80 minutes........ Adjusted for site altitude : 0.800 minutes <br />•• set at 0 if exchange time < adj. loader cycle time (truck exchange completed during 1 st loader cycle) <br />Truck travel (haul & return) time: Road condition : Rutted dirt, little maintenance, no water, 2" tire penetration <br />Haul route : <br />Road <br />segment# Haul distance Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed Travel time <br />(minutes) <br />1 1,200 5.00 5.00 10.00 1068 1.140 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time ** : 1.140 minutes <br />minutes <br />minutes <br />Loading tool unit production : 687.27 LCY/hour...... Adjusted for job efficiency : 570.44 LCY/hour <br />Truck unit production : 129.08 LCY/hour...... Adjusted for job efficiency : 107.13 LCY/hour <br />Optimal no. trucks/loading tool : 5 trucks........... Selected no. trucks/loader : 3 trucks <br /> Adjusted hourly truck team production : 321.40 LCY/hr <br /> Adjusted hourly single truck/loader team production : 321.40 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 321.40 LCY/hr <br /> <br /> <br />.. <br />. ' ............... <br />JOB TIME AND COST <br /> <br />.................... <br /> <br />.......................................................................................... <br /> <br />......................... <br /> <br />.............................. <br />Fleet size : 1 Team(s) Total job time : 0.17 Hours <br />Unit cost : $0.827 /LCY Total job cost : $46 <br /> <br />• travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.439 <br />•` total haul and return time shown includes altitude adjustment Total truck cycle time : 2.929