Laserfiche WebLink
• <br />Truck/Loader Team Work cont'd Task 010 sheet 2 of 2 <br />Loadina Tool Cycle Time : Number of loading tool passes required to fill truck : 4 passes <br />Excavators and front shovels -machine cycle time vs. job condition rating : NA <br />- selected value within basic ratinq : NA <br />Track loaders - material descr.: NA <br />- cycle time elements (min.) : Load : NA <br />Maneuver : NA Dump : 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and dumr 0.600 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 <br />H <br />B) <br />Truck ownership : Common ownership of trucks and loaders -0.040 _ <br />_ <br />_ <br />(Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump target : Nominal target 0.000 (Cat HB) <br />• <br /> Net cycle time adjustment : -0.050 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.550 minutes <br /> Net load time per truck * : 1.750 minutes <br />Truck Cvcle Time : bulk of 1st loader cycle completed during truck exchange if adj. loader cycle time < exchange time <br />Truck exchange time **: 0.60 minutes........ Adjusted for site altitude : 0.600 minutes <br />Truck load time: 1.750 minutes........ Adjusted for site altitude : 1.750 minutes <br />Truck maneuver and dump time: 1.00 minutes........ Adjusted for site altitude : 1.000 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 : Very hard, smooth, asphalt or concrete, no tire penetration <br />Haul route <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 5,000 3.00 1.20 4.20 2051 2.704 <br /> <br /> <br /> <br /> <br />--- --- - --------- <br /> <br /> <br />meturn route : Haul time ** : 2.704 minutes <br />minutes <br />minutes <br /> <br />Loading tool unit production : 625.53 LCY/hour...... Adjusted forjob efficiency : 519.19 LCY/hour <br />Truck unit production : 202.32 LCY/hour...... Adjusted for job efficiency : 167.93 LCY/hour <br />Optimal no. trucks/loading tool : 3 trucks........... Selected no. trucks/loader : 3 trucks <br /> Adjusted hourly truck team production : 503.78 LCY/hr <br /> Adjusted hourly single truck/loader team production : 503.78 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 503.78 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 2.21 Hours <br />Unit cost : $1.114 /LCY Total job cost : $1,238 <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 1.212 <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 7.266