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Truck/Loader Team Work cont'd Task #: 027 <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 />Track loaders - material descr.: NA <br />- cycle time elements (min.) : Load : NA Maneuver: NA <br />sheet 2 of 2 <br />' <br />6 passes <br />Dump: 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumj: 0.550 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 />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 :Fragile <br />target <br />0.050 <br />(Cat HB) <br />Road <br />segment# <br />Net cycle time adjustment: <br />0.010 <br />minutes <br />Total <br />resistance ( %) <br />Adjusted loader cycle time (total time per loader pass) : <br />0.560 <br />minutes <br />5,280 <br />Net load time per truck * : <br />3.360 <br />minutes <br />Truck Cycle Time: <br />*bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />168.35 <br />Truck exchange time * *: <br />0.00 minutes........ Adjusted for site altitude : <br />0.000 <br />minutes <br />Truck load time: <br />3.360 minutes........ Adjusted for site altitude : <br />3.360 <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 />Truck travel (haul & return) time: <br />Road condition : Rutted dirt, little maintenance, no <br />water, 2" tire penetration <br />Haul route <br />Hours <br />Unit cost : <br />$2.312 /LCY Total job cost : <br />Road <br />segment# <br />Haul distance <br />Grade <br />res. ( %) <br />Rolling <br />res. ( %) <br />Total <br />resistance ( %) <br />Speed <br />Travel time <br />(minutes) <br />1 <br />5,280 <br />10.00 <br />5.00 <br />15.00 <br />734 <br />7.199 <br />168.35 <br />LCY /hr <br />Adjusted hourly single truck/loader team production : <br />166.74 <br />LCY /hr <br />Adjusted hourly multiple truck/loader team production : <br />166.74 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : <br />1 Team(s) Total job time : <br />11.99 <br />Hours <br />Unit cost : <br />$2.312 /LCY Total job cost : <br />$4,624 <br />Return route : Haul time ** : 7.199 minutes <br />minutes <br />minutes <br />Loading tool unit production : <br />200.89 LCY /hour...... Adjusted for job efficiency : <br />166.74 <br />LCY /hour <br />Truck unit production : <br />50.71 LCY /hour...... Adjusted for job efficiency : <br />42.09 <br />LCY /hour <br />Optimal no. trucks /loading tool : <br />4 trucks........... Selected no. trucks /loader : <br />4 <br />trucks <br />Adjusted hourly truck team production : <br />168.35 <br />LCY /hr <br />Adjusted hourly single truck/loader team production : <br />166.74 <br />LCY /hr <br />Adjusted hourly multiple truck/loader team production : <br />166.74 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : <br />1 Team(s) Total job time : <br />11.99 <br />Hours <br />Unit cost : <br />$2.312 /LCY Total job cost : <br />$4,624 <br />" travel time shown for each segment includes acceleration /deceleration adjustment Return time * *: 1.853 <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 13.312 <br />