Laserfiche WebLink
TrucWLoader Team Work cont'd Task n : ofa <br />Loading Tool Cvcle 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 wiihln basic rating : NA <br />Track loaders -material descr.: NA <br />-cycle time elements (min.) : Load : NA Maneuver : NA <br />Wheel and track loaders -unadjusted basic loader cycle time (bad, maneuver, and <br />sheet 2 of 2 <br />3 passes <br />Dump: 0.100 <br />0.525 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 0.010 (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 HB) <br /> Net cycle time adjustment : -0.050 minutes <br /> Adjusted loader cycle time (total time per loader pass) : 0.475 minutes <br /> Net load time per truck' : 1.050 minutes <br />Truck CVCle Time: 'bulk oust loetlercyde completed during truck emhange it adi~loader cycle time <exchange drre <br />Truck exchange time ": 0.50 minutes........ Adjusted for site altitude : 0515 minutes <br />Truck load time: 1.050 minutes........ Adjusted for site altitude : 1.235 minutes <br />Truck maneuver and dump time: 0.90 minutes........ Adjusted for site altitude : 0.928 minutes <br />"set at g if a¢hange time < adj. 1°atler cycle time Qmck e~xhange completed tludng 1st loatler cycle) <br />Truck travel (haul & return) time: Road condition :Rutted dirt, little maintenance, no water, 1"fire penetratior <br />Haul route <br />Road <br />segmentX Haul distance <br />(feet) Grade <br />res. (%) Rolling <br />res. (%) Total <br />resistance (%) Speed <br />(ieeUminute) Travel time' <br />(minutes) <br />1 700 5.00 4.00 9.00 1249 0.614 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Retum route : Haul time " : 0.633 <br />1 700 -5.00 4.00 -1.00 2938 0.304 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />ninutes <br />' travel time shown for each segrrent includes acceleraHONdeceleretion adjustment Return time`": 0.313 ml0Ute5 <br />"total Haul and Tatum tirrre shown includes altitude adjustment Total truck cycle time : 3.624 minutes <br />Loading tool and production : 53720 LCY hour...... Adjusted for job efficiency : 445.87 LCY/hour <br />Truck unit production : 259.50 LCY/hour...... Adjusted for job efficiency : 215.39 LCY/hour <br />Optimal no. trucksfloading tool : 2 trucks........... Selected no. truckslfoader : 2 trucks <br /> Adjusted hourly truck team production : 430.77 LCY/hr <br /> Adjusted hourly single trucWloader team production : 430.77 LCY/hr <br /> Adjusted hourly multiple trucWloader team production : 430.77 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 59.92 Hours <br />Unit cost : $1.092 /LCY Total job cost : $28,196 <br />