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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 qgg p <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 /> .8 c) 7 0 <br /> 2 <br /> 3 <br /> total truck cost/hr. = q ?�3-- <br /> total loader cost/hr. _ $ 'iyo jc <br /> /hr. divided by / shifts/day = $ 7 7. o�5- average truck cost/hr. <br /> /hr. divided by ` shifts/day = $ ,gin average loader cost/hr. <br /> MATERIAL QUANTITIES: <br /> Bank volume = BCY x swell factor LCY <br /> Verification methods used 5Y—. <br /> HOURLY PRODUCTION: <br /> Haul distance ft. , return distance ft. , altitude = ft. <br /> Total resistance au Z % rolling res. p I us _ -z—% grade res. +or % <br /> Total resistance (return) : % rolling res. plus - 7 % grade res. (+or-)= -s= % <br /> Note: for grade resistance, (+) = unfavorable, T-j=favorable (downhill ) <br /> Truck capacity = ,�o. ' LCY (nominal heaped) <br /> Loader capacity = 8 , � LCY (nominal heaped) x /o bucket fill factor from <br /> fill factor adjustment table in Section VII LD/bucket load (adj. cap'y) <br /> No. of loader passes required to fill truck = � -` (round to nearest whole no. ) <br /> Adjust truck capacity = &,t� 3 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 ---------- min <br /> 3rd ---------- e 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 o <br /> Maneuver at dump ------- 7 <br /> Dump ------------------- i, a <br /> i Return ----------------- ,Y, <br /> z a r min. /cvcle <br />