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Truck/Loader Team Work cont'd Task # : 303 <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 />sheet 2 of 2 <br />passes <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 0.525 minutes <br />Cycle Time Factors <br />Loading Condition Description <br />Factor (min.) <br />Source <br />Material :Material <br />118" to 314 " diameter <br />-0.020 <br />(Cat HB) <br />Stockpile : <br />Dumped by truck <br />0.020 <br />(Cat HB) <br />Truck ownership: <br />Common ownership of trucks and loaders <br />-0.040 <br />(Cat HB) <br />Operation : <br />Constant operation <br />-0.040 <br />(Cat HB) <br />Dump target : <br />Nominal target <br />0.000 <br />(Cat HB) <br />Road <br />segment# <br />Net cycle time adjustment : <br />-0.080 <br />minutes <br />Total <br />resistance ( %) <br />Adjusted loader cycle time (total time per loader pass) : <br />0.445 <br />minutes <br />490 <br />Net load time per truck * : <br />1.880 <br />minutes <br />Truck Cvcle Time: <br />bulk of 1st loader cycle completed during truck exchange if adj loader cycle time < exchange time <br />trucks <br />Truck exchange time * *: <br />050 minutes........ Adjusted for site altitude : <br />0.500 <br />minutes <br />Truck load time: <br />1.880 minutes........ Adjusted for site altitude : <br />1.880 <br />minutes <br />Truck maneuver and dump time: <br />0.90 minutes....... Adjusted for site altitude : <br />0 900 <br />minutes <br />** set at 0 if exchange time < adj. loader cycle time (truck exchange completed during 1st loader cycle) <br />LCY /hr <br />JOB TIME AND COST <br />Truck travel (haul & return) time: <br />Road condition : Rutted dirt, little maintenance, no <br />water, 2" tire penetration <br />Haul route : <br />Fleet size : <br />1 <br />Team(s) Total job time : <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 />490 <br />300 <br />5.00 <br />8.00 <br />1381 <br />0.397 <br />trucks <br />Adjusted hourly truck team production : <br />406.61 <br />LCY /hr <br />Adjusted hourly single truck/loader team production : <br />331.52 <br />LCY /hr <br />Adjusted <br />hourly multiple truck/loader team production : <br />331.52 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : <br />1 <br />Team(s) Total job time : <br />64.02 <br />Hours <br />Unit cost: <br />$0.950 <br />/LCY Total job cost : <br />$20,171 <br />I <br />Return route <br />: <br />Haul time ** : 0.397 <br />1 <br />490 <br />-3.00 <br />5.00 <br />2.00 <br />2905 <br />0.204 <br />mnutes <br />' travel time shown for each segment includes acceleration /deceleration adjustment Return time * *: 0.204 minutes <br />'* total haul and return time shown includes altitude adjustment Total truck cycle time : 3.881 minutes <br />Loading tool unit production : <br />399.42 <br />LCY /hour...... Adjusted for job efficiency : <br />331.52 <br />LCY /hour <br />Truck unit production : <br />244.95 <br />LCY /hour...... Adjusted forlob efficiency : <br />203.31 <br />LCY /hour <br />Optimal no. trucks /loading tool : <br />2 <br />trucks........... Selected no. trucks /loader : <br />2 <br />trucks <br />Adjusted hourly truck team production : <br />406.61 <br />LCY /hr <br />Adjusted hourly single truck/loader team production : <br />331.52 <br />LCY /hr <br />Adjusted <br />hourly multiple truck/loader team production : <br />331.52 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : <br />1 <br />Team(s) Total job time : <br />64.02 <br />Hours <br />Unit cost: <br />$0.950 <br />/LCY Total job cost : <br />$20,171 <br />