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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 006 <br />Date : 1012412008 <br />User: WHE <br />Agency or organization name: DRMS <br />Permit or other job action : Routine bond update <br />Task description :Rip & Grade 15.4 acres prior to topsoil replacement <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8U (2005) Horsepower : 310 <br />Blade type : Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br />Attachment no. 2:3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $57.40 NA <br />Operating cost/hour : $77.43 100 <br />Ripper op. cost/hour : $6.71 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $174.31 Total fleet cost/hour : $348.63 <br />State : Colorado <br />County :La Plata <br />Site : Craig Pit <br />MATERIAL QUANTITIES <br />Initial <br />volume : 24.845 <br />LCY <br />Swell Loose <br />factor : NA volume : . 24,845 LCY <br />Source of estimated volume: (15.4ac)(43560sf/ac)(1D)/27 = 24,845.33 cy <br />Source of estimated swell factor : NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 1.00 (excl.) <br />Average push distance : 50 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,627.0 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-ro <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient : 0.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,720 feet Material weight : 0.96 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2400 Ibs/LCY Net correction : 0.57 <br />Weight description : <br />Clav and aravel - Drv <br />JOB TIME AND COST <br />Fleet size <br />Unit cost : <br />Adjusted unit production : 931.45 LCY/hr <br />Adjusted fleet production : 1,862.89 LCY/hr <br />2 Dozer(s) Total job time : 13.34 Hours <br />$0.187 /LCY Total job cost : $4,650 <br />Permit/job# :M-1976-027 <br />Abbreviation :none <br />Filename : M027-006