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Truck/Loader Team Work cont'd Task # : 053 <br />Loadina 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 <br />Maneuver : NA Dump : 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and duml 0.600 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 10 ft. high or less 0.010 (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 : -u.ubu minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.550 minutes <br /> Net load time per truck * : 1.750 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 **: 0.60 minutes........ Adjusted for site altitude : 0.600 minutes <br />Truck load time: 1.750 minutes........ Adjusted for site altitude : 1.750 minutes <br />Truck maneuver and dump time: 1.00 minutes........ Adjusted for site altitude : 1.000 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, dirblt. surfaced, watered, maintained <br />Haul route <br />Road <br />segment# Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(feet/minute) Travel time <br />(minutes) <br />1 500 0.00 3.00 3.00 2754 0.632 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time ** : 0.632 minutes <br />minutes <br />minutes <br />Loading tool unit production : 690.89 LCY/hour...... Adjusted for job efficiency : 573.44 LCY/hour <br />Truck unit production : 364.98 LCY/hour...... Adjusted for job efficiency : 302.93 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 605.86 LCY/hr <br /> Adjusted hourly single truck/loader team production : 573.44 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 1,720.33 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 3 Team(s) Total job time : 119.93 Hours <br />Unit cost : $1.012 /LCY Total job cost : $208,861 <br /> <br />sheet 2 of 2 <br />4 passes <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.466 <br />** total haul and return time shown includes altitude adjustment Total truck cycle time : 4.448