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EARTHWORK ESTIMATING - TRUCK/LOADER TEAMS <br /> TASK-DESCRIPTION: / ? <br /> HOURLY EQUIPMENT COST: <br /> Truck make and model 7�9 C- <br /> Loader make and model 988 .8 - <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 /> 1 <br /> 2 <br /> total true cost r. - 9 7 > <br /> total loader cost/hr. - E^/yo, r-c <br /> $ F 7,gs- /hr. divided by / _ shifts/day - S 9 7, o average truck cost/hr. <br /> S ,yv y6r /hr. divided by i shifts/day = S �y_ average loader cost/hr. <br /> MATERIAL QUANTITIES: <br /> Bank volume = BCY x swell factor = <br /> /� �� LCY <br /> Verification methods used A";y fsy-• <br /> HOURLY PRODUCTION: <br /> Haul distance =I gyo_ft. , return distance = 5 eft. , altitude <br /> Total resi stance 5-auII % rolling res. p up us - % grade res. +or- _+ 9 % <br /> Total resistance (return)-: rolling res. plus - 7 grade res. (+or-)= -S <br /> Note: for grade resistance, (+) = unfavorable, TT=favorable (downhill ) <br /> Truck capacity = moo. 8 LCY (nominal heaped) <br /> Loader capacity = 8 . v LCY (nominal heaped) x /o o bucket fill factor from <br /> fill factor adjustment table in Section VII = —o CLY/bucket load (adj. cap'y) <br /> No. of loader passes required to fill truck = _? (round to nearest whole no. ) <br /> Adjust truck capacity $ LCY <br /> Loader cycle time: basic cyc a (load, maneuver and dump) = min. <br /> 1st pass = O.1 min (bulk of 1st pass completed uring truck exchange time) <br /> 2nd ---------- . 4 min <br /> 3rd ---------- 4 min Loader cycle corrections: <br /> 4th ---------- <br /> min <br /> 5th ---------- min <br /> 6th ---------- min <br /> min total load time <br /> Truck cycle time: Exchange time ---------- .7 min. <br /> Load ------------------- i. 9 <br /> Haul ------------------- s <br /> Maneuver at dump ------- <br /> Dump ------------------- r. 2 <br /> Return ----------------- •y_ <br /> 34 <br />