Laserfiche WebLink
• <br />Truck/Loader Team Work cont'd Task #: 080 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 rating : NA <br />Track loaders - material descr.: NA <br />- cycle time elements (min.) : Load <br />NA Maneuver : NA Dump : 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time (load, maneuver, and dumE 0.600 minutes <br />Cycle Time Factors Loading Condition Description Factor (min.) Source <br />Material : Mixed material 0.020 (Cat HB) <br />Stockpile : Dumped by truck 0.020 (Cat H <br />B) <br />Truck ownership : Common ownership of trucks and loaders -0.040 _ <br />(Cat HB) <br />Operation : Constant operation -0.040 (Cat HB) <br />Dump target : Nominal target 0.000 (Cat HB) <br />• <br />• <br /> Net cycle time adjustment : -0.040 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.560 minutes <br /> Net load time per truck * : 1.780 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 **: 0.60 minutes........ Adjusted for site altitude : 0.600 minutes <br />Truck load time: 1.780 minutes........ Adjusted for site altitude : 1.780 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 :Firm, smooth, rolling, dirt/lt. surfaced, watered, maintained <br />Haul route : <br />Road <br />segment # Haul distance <br />(feet) Grade <br />res. (%) Roiling <br />res. (%) Total <br />resistance (%) Speed <br />(feet/minute) Travel time <br />(minutes) <br />1_ 10,000 0.00 3.00 3.00 2754 4.082 <br />2 6,000 0.00 3.00 3.00 2754 2.179 <br /> <br /> <br /> <br /> <br /> <br /> <br />Ketum route : <br />Haul time ** : 6.261 minutes <br />1 6,000 0.00 3.00 3.00 4074 1.816 <br />2 10,000 0.00 3.00 3.00 4074 2.455 <br /> <br /> <br /> <br /> <br /> <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time**: 4.271 minutes <br />"total haul and return time shown includes altitude adjustment Total truck cycle time : 13.911 minutes <br />Loading tool unit production <br />Truck unit production <br />Optimal no. trucks/loading tool <br />JOB TIME AND COST <br />Fleet size : <br />688.24 LCY/hour...... Adjusted forjob efficiency : 571.24 LCY/hour <br />117.75 LCY/hour...... Adjusted for job efficiency : 97.73 LCY/hour <br />6 trucks........... Selected no. trucks/loader : 4 trucks <br />Adjusted hourly truck team production : 390.92 LCY/hr <br />Adjusted hourly single truck/loader team production : 390.92 LCY/hr <br />Adjusted hourly multiple truck/loader team production : 390.92 LCY/hr <br /> <br />1 Team(s) <br />Unit cost : $1.770 /LCY <br />Total job time : 4.31 Hours <br />Total job cost : $2,983