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Truck/Loader Team Work cont'd Task # : 015 sheet 2 of 2 <br />Loading Tool Cycle Time : Number of loading tool passes required to fill truck : 2 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 : NA Maneuver : NA Dump : 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and duml 0.575 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) : 0.495 minutes <br /> Net load time per truck * : 0.595 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 **: 0.50 minutes........ Adjusted for site altitude : 0.500 minutes <br />Truck load time: 0.595 minutes........ Adjusted for site altitude : 0.647 minutes <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 0.900 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 <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(feet/minute) Travel time <br />(minutes) <br />1 1,500 -2.00 3.00 1.00 2895 0.608 <br />2 2, 900 4.00 3.00 7.00 1568 2.093 <br />3 200 -2.00 3.00 1.00 2895 0.102 <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time ** : 2.802 minutes <br />1 200 2.00 3.00 5.00 2814 0.097 <br />2 2,900 -4.00 3.00 -1.00 2938 0.071 <br />3 1,500 2.00 3.00 5.00 2814 0.533 <br /> <br /> <br /> <br /> <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : <br />Loading tool unit production : 447.36 LCY/hour...... Adjusted for job efficiency <br />Truck unit production : 92.43 LCY/hour...... Adjusted for job efficiency <br />Optimal no. trucks/loading tool : 5 trucks........... Selected no. trucks/loader <br />Adjusted hourly truck team production <br />Adjusted hourly single truck/loader team production <br />Adjusted hourly multiple truck/loader team production <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time <br />Unit cost : $2.376 /LCY Total job cos <br />0.701 minutes <br />5.550 minutes <br />371.31 LCY/hour <br />76.72 LCY/hour <br />5 trucks <br />383.60 LCY/hr <br />371.31 LCY/hr <br />371.31 LCY/hr <br />291.50 Hours <br />t : $257,178