Laserfiche WebLink
Truck/Loader Team Work cont'd Tasks : 063 <br />Loading Tool Cycle Tlme : Number of loading tool passes required to fill truck <br />Excavators and front shovels -machine cycle time vs. job condition rating : NA <br />-selected value within basic rating : NA <br />Track loaders - matedal descr.: NA <br />-cycle time elements (min.) : Load <br />NA Maneuver: NA <br />Wheel and track loaders -unadjusted basic cycle time (load, maneuver, and dump ) <br />sheet 2 of 2 <br />5 passes <br />Dump: 0.100 <br />0.490 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 h. high or less 0.070 (Cat HB) <br />Truck ownership : Common ownership o/ 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 : -0.050 minutes <br /> Adjusted basic cycle time : 0.440 minutes <br />Net load time per truck (bulk of first loader pass completed dudng truck exchange) : 1.860 minutes <br />Truck cle Time <br />Truck exchange time: 0.50 minutes........ Adjusted for site altitude : D.50 minutes <br />Truck load time: 1.860 minutes........ Adjusted for site altitude : 1.86 minutes <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 0.90 minutes <br />Truck travel (haul 8 return) time: <br />Road condition description :Ruffed dirt, little maintenance, no wafer, 2' fire penefmfion <br />Haul route <br />Road <br />seg. q Haul distance <br />/eef Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />leet/minufe Travel time' <br />(minutes) <br />7 2,850 7.20 5.00 6.20 7549 1.89 <br />2 2,050 0.00 5.00 5.00 1695 1.21 <br />3 900 4.40 5.00 9.40 949 0.95 <br />4 7,075 7.70 5.00 6.70 1240 0.87 <br />5 1,300 2.20 5.00 7.20 1240 1.05 <br />6 450 2.00 5.00 7.00 1240 0.43 <br /> <br /> <br />Return route <br />Haul time": 6.39 minutes <br />1 450 -2.00 5.00 3.00 3360 0.23 <br />2 1,300 -2.20 5.00 2.80 3360 0.39 <br />3 1,075 -1.70 5.00 3.30 3360 0.32 <br />4 900 -4.40 5.00 0.60 3520 0.26 <br />5 2, 050 0.00 5.00 5.00 3200 0.64 <br />6 2,850 -1.20 5.00 3.80 3320 0.97 <br /> <br /> <br />• first antl lest segmems atllusietl for accelera~ioNtleceleration Return time " <br />"time shown inclutlas elltlutle etlluslmenl Total truck cycle time <br />2.81 minutes <br />12.46 minutes <br />Loading tool unit production : 389.30 LCY hour...... Adjusted for job efficiency : 323.12 LCY/hour <br />Truck unit production : 73.73 LCY/hour...... Adjusted for job efficiency : 61.20 LCY/hour <br />Optimal no. trucks/loading tool : 5 trucks........... Selected no. trucks loader : 4 trucks <br /> Adjusted hourly truck team production : 244.79 LCY/hr <br /> Adjusted hourly single truck/loader team production : 244.79 LCY/hr <br /> Adjusted hourly multiple truck/loader team production : 244.79 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 7 Team(s) Total job time : 51.47 Hours <br />Unit cost : 52.398 /LCY Total job cost : $30,216 <br />