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• <br />TrucWLOader Team Work cent'd Task N : 072 sheet 2 0( 2 <br />µ. <br />- K ~ . <br />- <br />Loading Tool Cycle Time ~ <br />Number of loading tool passes required to fill <br />truck : 5 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 : 0.700 <br />Wheel and track loaders -unadjusted hasic cycle time (load, maneuver, and dump) : 0.490 minutes <br />Gycle Time Factors Loading Condition Description ~ Factor (min.) Source <br />Material ~ Mixed malaria/ 0.020 (Cal HB) <br />Stockpile Conveyor or dozer piled 70 N. high or less - 0.070 (Cat HB1 <br />Truck ownership :Gommon ownership of trucks and (oaders -0.040 (Cat HBJ <br />Operation Constant operation -0.040 (Cat HB) <br />Dump target Nominal target 0.000 (Cat HB) <br /> Net cycle time atljustment : •0.050 minutes <br /> Adjusted basic cycle time : 0.440 minutes <br />Net load time per truck (bulk of first loader pass completed during truck exchange) : <br />l <br />Ti 1.860 minutes <br />Truck Gj/e <br />e <br />me <br />Truck exchange time: 0.50 minutes....... <br />. Adjusted for site altitude : <br />0.56 <br />minutes <br />Truck load time: 7.860 minutes........ Adlusted for site altitude : 2.07 minutes <br />Truck maneuver and tlump time: 0.90 minutes........ Adjusted for site altitude : 1.07 minutes <br />Truck Vavel (haul & return) time <br />Haul route <br />Road condition description :Rutted dirt, little maintenance, no water, 2'tlre penetration <br />Road <br />seg. # Haul distance <br />feet Grade <br />res. (°J) Rol{ing <br />res. (°!) Total <br />resistance (~) Speed <br />feeNminute Travel time' <br />(minutes) <br />1 560 -4.50 5.00 0.50 3360 0.29 <br />2 4,475 3.60 2.00 5.60 1549 289 <br />3 1,700 5.10 5.00 10.10 920 L87 <br /> <br /> <br /> <br /> <br /> <br />Rehm ro ute : Haul time " : 5.68 <br />1 1,700 -5.10 5.00 -0.10 3520 0.59 <br />2 4,475 -3.60 2.00 -1.60 3520 1.27 <br />3 560 4.50 ~ 5.00 9.50 1949 0.38 <br /> <br /> <br /> <br /> <br /> <br />minutes <br />- lust and last segments adjusted for acce~era[ioNtleceleralion Retum time " ~ 2.57 minutes <br />"time shown inNUdes ahnutle aarystment Total truck cycle time : 11.82 minutes <br />Loading tool unit production ; 345.26 LCY/hour...... Adjusted for lob efficiency : 286.56 LCY/hour <br />Truck unit production : 76.75 LCY/hour...... Adjusted for job efficiency : 63.70 LCY/hour <br />Optimal no, trucksiloading tool : 4 trucks........... Selected no. trucksAoader : 4 trucks <br />Adjusted houdy truck team production : 254.80 LGYlhr <br />Adjusted houdy single truck/loader team production : 254.60 LCY/hr <br />Adjusted houdy multiple truckffoader team production : 254.80 LCYfhr <br />h <br />ac S.n <br />~+ <br />~i <br />P <br />, <br />3~~ <br />~ <br />:s~ <br />~ x <br />~ <br />~~- # <br />~:~w' <br />'~ <br />~ <br />'4 <br />'' <br />l <br />* <br />., zx <br />. <br />...._. _..: v.sa. <br />- <br />. <br />. <br />w <br />am....,a <br />...: <br />..2s <br />.,. <br />JOB TIME AND COST . <br />s <br />.. ..a <br />:v <br />.. v.w« .._... <br />Fleet size : > Team(s) <br />Total job time : 19.07 Hours <br />Unit cost : $1.495 /LCY Total job cost : 57,266 <br />>w ., .. ...a,. ?1:,.... ...~'.ca i..:..~.utdGC.^:.»z5:a"H ,zm..#tin_..,.,, ~... .-..__.. _._..,.. ~.r.... ..,. ._.~s5w _. tdY'aat +~"~ <br />