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Truck/Loader Team Work cont'd Task # • 004 sheet 2 of 2 <br />Loading Tool Cycle Time : Number of loading tool passes required to fill truck . 3 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 <br />Dump . 0 100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr 0 625 minutes <br />Cycle Time Factors <br />Loading Condition Description <br />Factor (min) <br />Source <br />Material <br />Mixed material <br />0 020 <br />(Cat HB) <br />Stockpile • <br />Conveyor or dozer piled 10 ft high and up <br />0.000 <br />(Cat HB) <br />Truck ownership . <br />Common ownership of trucks and loaders <br />-0 040 <br />(Cat HB) <br />Operation : <br />No adjustment - factor not applicable <br />0 000 <br />(Cat HB) <br />Dump target . <br />Nominal target <br />0 000 <br />(Cat HB) <br />Net cycle time adjustment : <br />Adjusted loader cycle time (total time per loader pass) : <br />Net load time per truck * . <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. 1.310 minutes .. Adjusted for site altitude • 1 310 minutes <br />Truck maneuver and dump time 1 10 minutes...... Adjusted for site altitude • 1.100 minutes <br />-0 020 <br />0.605 <br />1.310 <br />minutes <br />minutes <br />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 # <br />Haul distance <br />(feet) <br />Grade <br />res. (%) <br />Rolling <br />res. (%) <br />Total <br />resistance (%) <br />Speed <br />(feet/minute) <br />Travel time * <br />(minutes) <br />1 <br />4,000 <br />0 00 <br />3 00 <br />3 00 <br />2983 <br />1 895 <br />Return route . <br />Haul time ** . <br />1.895 minutes <br />4,000 <br />0.00 <br />3 00 <br />3 00 <br />3569 <br />1 348 <br />travel time shown for each segment includes acceleration/deceleration adjustment <br />**total haul and return time shown includes altitude adjustment <br />Return time**: <br />Total truck cycle time : <br />1.348 <br />minutes <br />6.353 minutes <br />Loading tool unit production : 1,108 21 LCY/hour .... Adjusted for job efficiency : 919 81 LCY/hour <br />Truck unit production . 350 62 LCY/hour Adjusted for job efficiency . 291 02 LCY/hour <br />Optimal no. trucks/loading tool . 3 trucks Selected no. trucks/loader : 3 trucks <br />Adjusted hourly truck team production • 873 05 LCY/hr <br />Adjusted hourly single truck/loader team production • 873 05 LCY/hr <br />Adjusted hourly multiple truck/loader team production 1,746.09 LCY/hr <br />JOB TIME AND COST <br />Fleet size 2 Team(s) Total job time • 335.61 Hours <br />Unit cost . $1.138 /LCY Total job cost : $666,997 <br />