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Truck/Loader Team Work cont'd Task #: 05C <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 duml <br />sheet 2 of 2 <br />4 passes <br />Dump : 0.100 <br />0.600 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Material 314" to 6" diameter 0.000 (Cat HB) <br />Stockpile : Conveyor or dozer piled 10 ft. high and up 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 : -0.080 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.520 minutes <br /> Net load time per truck * : 1.660 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: 1.660 minutes........ Adjusted for site altitude : 1.660 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# Haul distance Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed Travel time <br />(minutes) <br />1 4,000 -1.30 3.00 1.70 3448 1.650 <br />2 10,000 -1.30 3.00 1.70 3448 2.900 <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time ** : 4.551 minutes <br />1 10,000 1.30 3.00 4.30 3540 3.108 <br />2 4,000 1.30 3.00 4.30 3540 1.130 <br /> <br /> <br /> <br /> <br /> <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 4.238 minutes <br />total haul and return time shown includes altitude adjustment Total truck cycle time : 12.249 minutes <br />Loading tool unit production : 917.29 LCY/hour...... Adjusted for job efficiency : 761.35 LCY/hour <br />Truck unit production : 176.74 LCY/hour...... Adjusted for job efficiency : 146.69 LCY/hour <br />Optimal no. trucks/loading tool : 5 trucks........... Selected no. trucks/loader : 4 trucks <br /> Adjusted hourly truck team production : 586.77 LCY/hr <br /> Adjusted hourly single truck/loader team production : 586.77 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 586.77 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 157.90 Hours <br />Unit cost : $1.386 /LCY Total job cost : $128,405 <br />