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EARTHWORK ESTIMATING - TRUCK/LOADER TEAMS <br /> r TASK-DESCRIPTION: / ,� . 2 / <br /> 1 <br /> HOURLY EQUIPMENT COST: <br /> Truck make and model 7 S c' <br /> Loader make and model 28 8 d <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 /> -13 i <br /> .o <br /> o <br /> 2 <br /> F 3 tota truc cost/hr. _ S, 9�..s __ <br /> 1 total loader cost/hr. = $ ,oyo.4< <br /> $ q),4 /hr. divided by�_ shifts/day = S 9 average truck cost/hr. <br /> S Fyn /hr. divided by _ shifts/day = S average loader cost/hr. <br /> MATERIAL QUANTITIES: <br /> Bank volume = BCY x swell factor = /8--2- LCY <br /> Verification methods used ;�,y C,,,r r-� Q✓ �...-+---- O- =�-. <br /> ' P,fei <br /> HOURLY PRODUCTION: / <br /> Haul distance = ZW310 ft. , return distance = a ft. , altitude = o o i`t• <br /> Total resistance au rolling res. plus --7 % grade res. +or- _ -S % <br /> Total resistance (return) :�_ rolling res, plus t� grade res. (+or-)= <br /> Note: for grade resistance, (+) = unfavorable, T-T—favorable (downhill ) <br /> Truck capacity = LCY (nominal heaped) <br /> Loader capacity = 8 LCY (nominal heaped) x o o0 _ bucket fill factor from <br /> fill factor a 3ustment table in Section VII = �_ LLY/bucket load (adj. cap'y) <br /> no. of loader passes required to fill truck = _�_ (round to nearest whole no.} <br /> Adjust truck capacity = v� Fr LCY <br /> Loader cycle time: basic cyclee iToad, maneuver and dump) = min. <br /> 1st pass = 0.1 min (bulk of 1st pass completed during truck exchange time) <br /> 2nd ---------- C min <br /> 3rd ---------- -4 min Loader cycle corrections: <br /> 4th ---------- min <br /> 5th ---------- min <br /> 6th ---------- min <br /> 9 min total load time <br /> Truck cycle time: Exchange time ---------- -7 min. <br /> Load <br /> Haul ------------------- �. 9 <br /> Maneuver at dump ------- <br /> Dump ------------------- <br /> Return -----------40 --- /= <br />