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°: _TASIC DESCRIPTION: n _ ~.-~ ~ ~~ ~~ <br />~ ~.~~oM'~/`u ~.u.~ /ba.Gf/ ~• '7'~Gr (<r-~'~S c~.a <br />iOURLY EQUIPMENT COST: <br />Machine make and model Q 7~ attachments: 3 S/iaH~~ <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 ustment shift <br />premium <br />ad total <br />equip. <br />cost/hr <br />1 ,P -~ 37. y ~s7._3 .0 N/A <br /> <br />3 ~~ ~~ <br />wcai = p <br />; Q Y~~PC~ /hr. divided by ~ shifts/day = S 9 Y !c(~ average equipment cost/h r. <br />MATERIAL QUANTITIES: <br />Volume Method (bank material or rock): BCY (total to be ripped) <br />Ip type of material se~zmic ve ocity fps <br />;r. <br />Area method (compacted fills, pavement) sq. ft. (total area) <br />ripping depth required to alleviate compac ion = inches <br />Verification method(s) used <br />HOURLY PRODUCTION: <br />C Volume method (for DRL, D9L, and D10 dozers w/single shank rippers only): <br />BCY/hr from production graphs in Sec. VII x job efficiency (avg. for <br />ads x altitude adj. = BCY/hr~ted production <br />Area method (for~ QQz~~ers, track loaders or graders w/multi-shank rippers) <br />pY- t~-~-tom/hr (from production tables in Section VII) x `f 4a' job <br />e :c:ency avg. for all shifts) x altitude adj. _ /.~ z se,-£t./hr <br />ors=.75~ v:i=.b~ EEF=.F3 .4-c, <br />JOB TIME: 7.-o,..tl, <br />Volume method: BCY divided by BCY/hr = hrs <br />o ma vo ume a-d'J: proms. o Jo ime <br />Area method: ~~.lOff - ~aCtt•. divided by ~~03 -~~hr • ~~~/~ hrs <br />,I ota area a~JT'p~. ot. Jr: 'o fime <br />', JOB COST: <br />,j ~,q hrs x ; 8~• S/ /hr = ; ,3~~~ ~ otal Job Cost <br />tot. job time avg. equip. cost -~- <br />unit cost = ; divided by = ; <br />tot a- Jest tota vo or area or sq. ft. <br /> <br />