Laserfiche WebLink
Truck/Loader Team Work cont'd Task # : 38a sheet 2 of 2 <br />Loading 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 : NA Maneuver : NA Dump : 0.100 <br />Wheel and track loaders - unadjusted basic loader cycle time ( load, maneuver, and duml 0.575 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 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 adjustment : -0.040 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.535 minutes <br /> Net load time per truck' : 2.140 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 ": 0.00 minutes........ Adjusted for site altitude : 0.000 minutes <br />Truck load time: 2.140 minutes........ Adjusted for site altitude : 2.140 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 1st loader cycle) <br />Truck travel (haul & return) time: Road condition : Firm, smooth, rolling, dirt or light surfaced, watered, maintained <br />Haul route : <br />Road <br />segment# Haul distance Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed Travel time <br />(minutes) <br />1 5,280 0.00 1.20 1.20 2895 1.957 <br />2 5,280 0.00 1.20 1.20 2895 1.824 <br />3 4,224 0.00 3.00 3.00 2824 1.496 <br /> <br /> <br /> <br /> <br /> <br />Retum mute <br />Haul time'" : 5.277 minutes <br />1 4,224 0.00 3.00 3.00 2874 1.505 <br />2 5,280 0.00 1.20 1.20 2913 1.813 <br />3 5,280 0.00 1.20 1.20 2913 1.813 <br /> <br /> <br /> <br /> <br /> <br />travel time shown for each segment includes acceleration/deceleration adjustment Return time--: <br />total haul and return time shown includes altitude adjustment Total truck cycle time : <br />Loading tool unit production : 479.44 LCY/hour...... Adjusted for job efficiency <br />Truck unit production : 76.30 LCY/hour...... Adjusted for job efficiency <br />Optimal no. trucks/loading tool : 6 trucks........... Selected no. trucks/loader <br />Adjusted hourly truck team production <br />Adjusted hourly single truck/loader team production <br />Adjusted hourly multiple truck/loader team production <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time <br />Unit cost : $2.293 /LCY Total job cost <br />5.130 minutes <br />13.447 minutes <br />397.93 LCY/hour <br />63.33 LCY/hour <br />6 trucks <br />379.97 LCY/hr <br />379.97 LCY/hr <br />379.97 LCY/hr <br /> <br />23.97 Hours <br />$20,880