Laserfiche WebLink
Truck/Loader Team Work cont'd Task #: 001 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 dum f 0.500 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Mixed material 0.020 (Cat HB) <br />Stockpile : Conveyor or dozer piled 10 ft. high or less 0.010 (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 aajusimeni : -v.vw HIIIIUioa <br /> Adjusted loader cycle time (total time per loader pass) : 0.450 minutes <br /> Net load time per truck' : 0.550 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: 0.550 minutes........ Adjusted for site altitude : 0.598 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 1 st loader cycle) <br />Truck travel (haul & return) time: Road condition :Rutted dirt, little maintenance, no water, 2" tire penetration <br />u-i .,,,,to <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 8,150 5.00 5.00 10.00 1068 7.661 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return rnutp , Haul time /.UUI <br />minutes <br />* travel time shown for each segment includes acceleration/deceleration adjustment Return time"": 2.813 minutes <br />•" total haul and return time shown includes altitude adjustment Total truck cycle time : 12.471 minutes <br />Loading tool unit production : 467.29 LCY/hour...... Adjusted for job efficiency : 387.85 LCY/hour <br />Truck unit production : 41.13 LCY/hour...... Adjusted for job efficiency : 34.14 LCY/hour <br />Optimal no. trucks/loading tool : 11 trucks........... Selected no. trucks/loader : 6 trucks <br /> Adjusted hourly truck team production : 204.85 LCY/hr <br /> Adjusted hourly single truck/loader team production : 204.85 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 204.85 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 56.64 Hours <br />Unit cost : $3.859 /LCY Total job cost : $44,769