Laserfiche WebLink
Truck/Loader Team Work cont'd Task # : 028 sheet 2 of 2 <br />;. ... <br />Loadmg Tool Cvcle Trme : 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 dumF 0.625 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 Hl3) <br /> Net cycle ume aalustmen[ : -v.vov RIIfWlCS <br /> Adjusted loader cycle time (total time per loader pass) : 0.575 minutes <br /> Net load time per truck ' : 1.825 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 **: 0.70 minutes........ Adjusted for site altitude : 0.700 minutes <br />Truck load time: 1.825 minutes........ Adjusted for site altitude : 1.825 minutes <br />Truck maneuver and dump time: 1.10 minutes........ Adjusted for site altitude : 1.100 minutes <br />"set at D 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" fire penetration <br />H'~I II ff11I}P <br />Road <br />segment#~ Haul distance Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed Travel time * <br />(minutes) <br />1 600 17.00 5.00 22.00 359 1.675 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route ~ Haul time ** : 1.675 minutes <br />minutes <br />minutes <br />Loading tool unit production : 935.64 LCY/hour...... Adjusted for job efficiency : 776.58 LCY/hour <br />Truck unit production : 414.02 LCY/hour...... Adjusted forjob efficiency : 343.63 LCY/hour <br />Optimal no. trucks/loading tool : 2 trucks........... Selected no. trucks/loader : 2 trucks <br /> Adjusted hourly truck team production : 687.27 LCY/hr <br /> Adjusted hourly single truck/loader team production : 687.27 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 687.27 LCY/hr <br /> <br />JOB TIINE AND COST <br />Fleet size : 1 Team(s) Total job time : 8.28 Hours <br />Unit cost : $1.534 /LCY Total job cost : $8,732 <br /> <br />I ~Xti Z3' dz- <br />' travel time shown for each segment includes acceleration/deceleration adjustment Return time"": U.4Uti <br />`• total haul and return time shown includes altitude adjustment Total truck cycle time : 5.706 <br />