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EARTHWORK ESTIMATING -MOTOR r;RADER WORK <br />7~ s /< ~ <br />TASK DESCRIPTION: <br />CRAFT <br />HOURLY EQUIPMENT COST: / <br />Machine make and model Cri~ 16 G attachments None <br /> adjusted Operator Cost ver hour <br /> <br />shift <br />no. hours <br />per <br />daV days <br />per <br />week hale <br />rental <br />rate/hr`i. <br />operating <br />cost/hr base <br />wage <br />rate/hr <br />overtime <br />adjustment shift <br />premium <br />adj. total <br />equip. <br />cost/hr <br />1 6 S $~9.5$ ~ Ig.6 5 ~/g.~sd N~h N/A ~ 8~.oq <br /> <br />3 - - - ~~ <br />$ $9.O~J /hr. divided by _~ shifts/day = $ g'7G~f average equipment cost /h r. <br />AREA MEASUREMENTS: <br />Total area to be graded in acres = <br />Method(s) used to verify acreage 5.2r/_Sr ~„wee ~./-/ <br />HOURLY PRODUCTION: <br />* <br />Grading Production -Acres Per Hour <br />Acres Per Hour <br />Light `tedium Heavy <br />Model Blade ~:lidth grading grading grading <br />12G 12 ft. 2.69 1.34 0.90 <br />14G 14 ft. 3.14 1.57 1_.05 <br />16G 16 ft. 3.71 1.~5 .24 <br />*Unadjusted rates <br />/, Z ~' Acres/hr x , ~ j x y~ ~ _ / O P.cres/hr (adj . ) <br />unadj. prod, job efficiency** altitude adj. <br />* average efficiency for all shifts utilized <br />Eleet prod. _ ~_no. graders used x /.O 3 Acres/hr/grader = /. C ? Acres/hr/fleet <br />JOB COST: <br />(,. j Acres divided by O 3 Acres/hr = ~, ~ Total job hours <br />tota- acreage fl ee <br />S ~% o ;' /hr avg. orader cost x J~ graderf used = 5 ,f ~~` fleet cost/hr <br />,;. C hrs x 5 F ,CG /hr = S ; Cv. ~ / Total Job Cost <br />total job hours hourly fleet cost <br />unit cost/acre = 5 ~'-•= ~ divided b_v '~~_ ~ = S ~'f S~ !Acre <br />total ~iob cost total acreaoe <br />