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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 018 State : Colorado Permit/job# : C-92-080 <br />Date : 0912912010 County: La Plata Abbreviation :none <br />User: TAK Site: Carbon Junction Mine Filename :C080-018 <br />Agency or organization name : CDRMS <br />Permit or other job action : Midterm Review 4 <br />Task description : Rough-grade, South Pit drill pad <br />HOURLY EQUIPMENT COST <br />Basic: machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br />Data source:- (CRG) <br />Cost Breakdown : Ownership cost/hour : <br />Operating cost/hour : <br />Ripper op. cost/hour : <br />Operator cost/hour <br />Total unit cost/hour <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 11,293 LCY factor <br />Source of estimated volume :3.5 acres <br />Source of estimated swell factor : NA <br />HOURLY PRODUCTION <br />Average push distance : 50 feet <br />Unadjusted hourly production : 2,110.5 LCY/hr <br />Material consistency description <br />Loose stockpile <br />Average push gradient : 0.00 % (pos) <br />Average site altitude : 7,000 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) <br />Unit cost : $0.226 /LCY <br />Utilization % <br />$67.84 NA <br />$119.93 100 <br />$0.00 0 <br />$38.54 NA <br />$226.31 Total fleet cost/hour : $226.31 <br />Loose <br />NA volume : <br />12 estimate) X 2 ft deep <br />11,293 <br />LCY <br />)b Condition Correction Factors Source <br />Operator skill : 0.75 (avg.) <br />Material consistency : 1.20 (Cat HB) <br />Dozing method : 1.00 (gen.) _ <br />Visibility : 1.00 (avg.) <br />Job efficiency : 0.83 (1shift1day) <br />Spoil pile : 0.80 (fnd-rf) <br />Push gradient : 1.00 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.79 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.47 <br />Adjusted unit production : 999.92 LCY/hr <br />Adjusted fleet production : 999.92 LCY/hr <br />Total job time : 11.29 Hours <br />Total job cost:-,-,. $2,556