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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 001 State :Colorado PermiUjob# : M-1988-042 <br />Date : 12/23/2002 County :Weld Abbreviation :none <br />User: TAS Site :Cottonwood Pit Filename:M042-001 <br />Agency or organization name :Division Of Minerals & Geology <br />Permit or other job action :Final Reclamation <br />Task description : Backfill & grade 3725 linear feet of pit scope to 3: 1; 6250 cu. yd. <br />HOURLY EQUIPMENT COST <br /> Basic machine :Cat D8R - 8SU Horsepower : 305 <br /> Blade type :Semi-Universal <br /> Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br /> Attachment no. 2 :NA <br />Cost Breakdown <br />MATERIAL QUANTITIES <br />Initial <br />volume : 231 <br />BC <br /> Data source : (CRG) <br /> Utilization <br />Ownership cost hour : $42.20 NA <br />OperatingcosUhour : $61.31 100 <br />Ripper op. cosUhour : $0.00 NA <br />Operator cosUhour : $30.65 NA <br />Total unit cosUhour : $134.16 Total fleet cosUhour : $268.33 <br /> <br />Swell Loose <br />factor : 1.230 volume : 285 Y <br />LCY <br />Source of estimated volume :permit <br />Source of estimated swell factor :program <br />HOURLY PRODUCTION <br />Average push distance : 60 feet <br />Unadjusted hourly production : 1,246.9 LCY/hr <br />Material consistency description <br />Consolidated stockpile <br />Average push gradient : 2.00 % (neg) <br />Average site altitude : 6,000 feet <br />Material weight : 2,100 Ibs/LCY <br />Weight description <br />Earth -Loam <br />JOB TIME AND COST <br />Fleet size <br />Unit cost <br /> <br /> <br />dition Correction Factors <br />Operator skill : <br />0.75 Source <br />(avg.) <br />Material consistency : 1.00 (Cat HB <br />Dozing method : 7.20 (s-by-s) <br />Visibility : 1.00 (avg.) <br />Job efficiency: 0.83 (lshift/da <br />Spoil pile : 0.70 (fnd-mf) <br />Push gradient : 1.05 (Cat HB <br />Altitude : 1.00 (Cat HB, <br />Material weight : 1.10 (Cat HB, <br />Blade type : 1.00 (S/SU/U <br />Net correction : 0.60 <br />Adjusted unit production : 746.89 LCY/hr <br />Adjusted fleet production : 1,493.77 LCY/hr <br />2 Dozers) <br />$0.180 /LCY <br />Total job time <br />Total job cost <br />0.19 Hours <br />$51 <br />