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EARTHWORK ESTIMATING - HYDRAULIC EXCAVATOR~FRONT SHOVEL WORK <br />I~~!~ r <br />~~,, <br />u t.~ ~~~ <br />T4s ~r ~ ? <br />TASK DESCRIPTION: ~ / <br />Reco~,Tour ~rt~Qe ~K~CI <br />HOURLY EQUIPMENT COST: <br />Machine make and model ~a~ X25 {!~~ Cxc. attachments: 1/auZ <br /> adjusted Operator Cost Per Hour <br /> <br />shift <br />no. hours <br />per <br />da days <br />per <br />week base <br />rental <br />rate/hr. <br />operating <br />cost/hr base <br />wage <br />rate/hr <br />overtime <br />ad,iustment shift <br />premium <br />adj. total <br />equip. <br />cost/hr <br />1 '~?,a6 .`~~ 9.01 N N/A 95,; <br />2 - ~ _~ _ ,~ <br />3 - - ~- -~`- -~ <br />Loral = y "7tS_;`f <br />$ '7 g,; •,/ /hr. divided by `~ shift0/day = $ ~g'.3~ average equipment cost /h r. <br />MATERIAL QUANTITIES: <br />Bank volume = ~ C BCY or CCY x /. Z G swell factor = <br />Verification method s used <br />LCY <br />HOURLY PRODUCTION: <br />Cvcle Time =seconds/cycle (from cycle time table in Section VIi) <br />Rated bucket payload (from Section III) = j,3 ~ LCY (nominal heaped) <br />Type of material altitude = ft. <br />Bucket fill factor from fill factor table in Section VIII = /, O Q <br />~_ Z ~ LCY x /: GJ = ;, jg LCY <br />rated payload fill factor adjusted payload <br />3,600 seconds/hr divided by ~ y ' seconds/cycle = i ~ cycles per hour <br />j'`~j GL r'~'.:_ 2%~8,cw% c/<i+ Ya /zCOm %aXr ar.~rT ($p r.'i-'C'~LVI d-srton rN+.~j vJ /6gcT~ . <br />LCY/hr (unadjusted): <br />/_3S_:. adjusted bucket payload x (,p cycles/hr = ,~2.5C LCY/hr <br />Ad lusted hourly production: <br />~~.. ~ LCY/hr x ~ Z job efficiency* x ~/ /' altitude adj. _ ~ LCY/hr <br />*average for all shifts utilized <br />JOB COST: <br />~, 'S LCY divided by ,g.~ ~ LCY/hr = C/ ~ hrs <br />tota materia vo ume a J. pro total ,7o~time <br />'" hrs x $ ;%~` ~=-•" /hr = $ %~,p'> Total Job Cost <br />tot. job time avg. equip. cost <br />unit cost/LCY = $ '.~~'; div.ided by %~ ~ _ $ ! '~-'~ /LCY <br />total job cost total material vol. <br />