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Truck/Loader Team Work cont'd Task #: 161 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 : NA <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 <br /> Adjusted loader cycle time (total time per loader pass) : 0.495 <br /> Net load time per truck * : 0.595 <br />Truck Cycle Time : *bulk of fat 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 <br />Truck load time: 0.595 minutes........ Adjusted for site altitude : 0.647 <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 0.900 <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 : Rutted dirt little maintenance, no water, 2" tire p, <br />Haul route : <br />minutes <br />minutes <br />minutes <br />minutes <br />minutes <br />minutes <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 />1 700 0.00 5.00 5.00 2218 0.383 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : Haul time ** : 0.383 <br />minutes <br />minutes <br />minutes <br />Loading tool unit production : 447.36 LCY/hour...... Adjusted for job efficiency : 371.31 LCY/hour <br />Truck unit production : 189.69 LCY/hour...... Adjusted for job efficiency : 157.45 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 314.89 LCY/hr <br /> Adjusted hourly single truck/loader team production : 314.89 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 314.89 LCY/hr <br />i <br />JOB TIME AND COST <br />Fleet size Team(s) Total job time : 5.12 Hours <br />Unit cost : $2.062 /LCY Total job cost : $3,326 <br />' travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 0.274 <br />" total haul and return time shown includes altitude adjustment Total truck cycle time : 2.704