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_ EARTHWORK ESTIMATING - TRUCK/LOADER TEAMS <br /> TASK DESCRIPTION: <br /> HOURLY EQUIPMENT COST: <br /> Truck make and model <, <br /> Loader make and model <br /> adjusted Operator Cost Per Hour <br /> hours days base base shift total <br /> shift per per rental operating wage overtime premium equip. <br /> no. day week rate/hr. cost/hr rate/hr adjustment adj. cost/hr <br /> ,-2. 7k �3.jl?-- /- 7 97 <br /> 1 8 7G . 7. 90 o SG <br /> 2 <br /> 3 <br /> tota truc cost/Fr. = a ,- <br /> total loader cost/hr. = <br /> $ /hr. divided by / shifts/day = $ j 7,a s� average truck cost/hr. <br /> /hr. divided by shifts/day = $ iy0 ^6 average loader cost/hr. <br /> MATERIAL QUANTITIES: <br /> Bank volume = BCY x swell factor LCY <br /> Verification methods used �a- <br /> HOURLY PRODUCTION: <br /> Haul distance - Do ft. , return distance = jzp o ft. , altitude ft. <br /> Total resistance au 2 % rolling res_._P7`us L2__% grade res. (+or-) % <br /> Total resistance (return) : 2� % rolling res. plus , % grade res. (+or-)= -a. % <br /> Note: for grade resistance, M = unfavorable, favorable (downhill ) <br /> Truck- capacity LCY (nominal heaped) <br /> Loader capacity = LCY (nominal heaped) x bucket fill factor from <br /> fill factor adjustment table in Section VII = ICY/bucket load (adj. cap'y) <br /> No. of loader passes required to fill truck = y (round to nearest whole no. ) <br /> Adjust truck capacity = 3v t LCY <br /> Loader- cycle time: basic cycle (load, maneuver and dump) = min. <br /> 1st pass = 0.1 min (bulk of lst pass completed during truck exchange time) <br /> 2nd ---------- 6 min <br /> 3rd ---------- 6 min Loader cycle corrections: <br /> 4th ---------- min <br /> 5th ---------- min <br /> 6th ---------- min <br /> _ S min total load time <br /> Truck cycle time: Exchange time ---------- 7 min. <br /> Load ------------------- <br /> Haul ------------------- <br /> Maneuver at dump ------- <br /> Dump ------------------- <br /> Return ----------------- 3 <br /> min_ /rvrl P <br />