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EARTHWORK ESTIMATING - TRUCK/LOADER TEAMS <br /> TASK-'DESCRIPTION: <br /> i HOURLY EQUIPMENT COST: <br /> Truck make and model 7�9 C <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 <br /> 3 _ <br /> total truck cost/hr. <br /> total loader cost/hr. —'lleg r-c <br /> y �, /hr. divided by / shifts/day = t 77. o; average truck cost/hr. <br /> S ,yam /hr. divided by shifts/day = S average loader cost/hr. <br /> • MATERIAL QUANTITIES: <br /> Bank volume BCY x swell factor = /�, 3,� _ LCY <br /> Verification methods used /'��/ - ��y fs9�• - <br /> HOURLY PRODUCTION: <br /> ft <br /> Haul distance =I58 o ft. , return distance = ,f/ - yo . , altitude <br /> Total resi stance au % rolling res us Tp ul _ 7 % grade res. +or- _� 9 <br /> Total resistance (return) : a _,z rolling res, plus — 7 % grade res. (+or-)= <br /> Note: for grade resistance,,(+) = unfavorable, T-T—favorable (downhill ) <br /> Truck capacity LCY (nominal heaped) <br /> Loader capacity = 8 . v LCY (nominal heaped) x /c o bucket fill factor from <br /> fill factor adjustment table in Section VII = �.o LAY/bucket load (adj. cap y) <br /> No. of loader passes required to fill truck = 3= (round to nearest whole no.) <br /> Adjust truck capacity = &o. 8 LCY <br /> Loader cycle time: basic cycle (load, maneuver and dump) = min. <br /> completed <br /> 1st pass = 0.1 min (bulk of 1st pass wring truck exchange time) <br /> 2nd ---------- - C nin <br /> 3rd ---------- min Loader cycle corrections: <br /> 4th ---------- min <br /> 5th ---------- min <br /> 6th ---------- min <br /> min total load time <br /> Truck cycle time: Exchange time ---------- .7 min. <br /> Load ------------------- <br /> Haul ------------------- S <br /> Maneuver at''dump ------- 7 <br /> Dump ------------------- �. 2 <br /> Return ----------------- - o <br />