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EARTHWORK ESTIMATING - 'A HEEL OR TRACK LOADERS <br />rAS~ ~~~,< <br />TASK DESCRIPTION: <br />( 1F. q~ ~ <br />~~~ C11~ r ~ -~ <br />~~ ~` <br />HOURLY EQUIPMENT COST: , / <br />Machine make and model Czr ~15o a ~~Griler attachments /lo~~e <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. da week rate/hr. cost/hr rate/hr adjustment adj. cost/hr <br />1 ~' 3 ~ <br />~ L $1 <br />S S ~ i 8 <br />8 6 N ~i~- rl /a ~' '70 <br /> . . . . <br />2 ~ _ -~-- r-,r-- -~ <br />3 - - -~ <br />iOLal = ~ '/0.53 /hr. <br />$ ~ C /hr. divided by r shiftg/day = $ ~~~r~ average equipment cost/hr. <br />.MATERIAL QUANTITIES: <br />Bank volume =_ L (_. ,~~_ ~CY x (/ .Q swel 1 factor = ~_ ~y 7 LCY <br />Verification methods used <br />HOURLY PRDDUCT10F0: <br />Naul distance = 2 0o ft., return distance = ac c ft., altitude = S6o ~ ft. <br />Total resistance haul 6 Y rolling res. plus o `~ grade res. +or- =f6 w <br />Total resistance (return): ~/ _q rolling res. plus " grade res. (+or-)= -fG " <br />Npte: for grade resistance, (+) = unfavorable, favorable (downhill) <br />cycle tame: <br />93asic loader cycle (load, dump, maneuver) _ , 5p min. <br />haul - see distance vs. time tables in Section VII = . 3 o min. <br />Return - see distance vs. time tables in Section VII = .3p min. <br />total cycle time =1.10 min. <br />60 min./hr divided by J,JQ total cycle time = =4'.5 ~ cycles /h r. <br />LCY/hr (unadjusted): <br />z - c LCY rated machine cagy. (nominal heaped) x C~_9 ~ h~icket fill factor <br />_ ;',7'~ ~ LCY adjusted bucket capacity x 5'~5-cycles/hr = JS~SZLCY/hr. <br />Adjusted hourly production <br />;$°.~ LCY/hr x - job efficienc.y* x A~%~_ altitude ad i. =/3?.v / LCY/hr <br />*averape for all shifts utilized <br />JOS COST: _ <br />- LCY divided by r' ~~ -/ LCY/h r. _ - ~ hrs. <br />o a materia vo a~p~. o 7o ime <br />~ hrs x $ iG. S ? /h r. _ $ /,-r!O. ~. C Total Job Cost <br />total job time avq. equip. cost <br />unit cost/LCY = $ ( .. ~~. ;'. ~^ divided by - ~ _ $ C ~ `< /LCY <br />total job cost total material vol. <br />