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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 304 State : Colorado Permit/job# : C -81 -035 <br />Date : 0112112010 County :La Plata Abbreviation :none <br />User: TAK Site :King li Mine Filename :C035 -304 <br />Agency or organization name: DRMS <br />Permit or other job action : Midterm Permit Review 2010 <br />Task description : Grade to AOC portal cuts, access roads, water tank pad <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D8R Series 11- <br />8SU (200,1 Horsepower: <br />310 <br />Blade type : Semi - Universal <br />1.00 <br />0.83 <br />Attachment no. 1 : ROPS Cab <br />Shift basis: <br />1 per day <br />Attachment no. 2 :3 -shank ripper <br />1.00 <br />0.36 <br />Data source : <br />(CRG) <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $54.99 <br />NA <br />Operating cost/hour : $90.98 <br />100 <br />Ripper op. cost/hour : $0.00 <br />0 <br />Operator cost/hour : $38.54 <br />NA <br />Total unit cost/hour : $184.50 <br />Total fleet cost/hour : <br />$184.50 <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume: 16,562 CCY factor <br />Source of estimated volume: Map King 11 -007C <br />Source of estimated swell factor: Cat Handbook <br />HOURLY PRODUCTION Job <br />Operator skill <br />Average push distance : 50 feet Material consistency <br />Unadjusted hourly production : 1,400.0 LCY /hr Dozing method <br />Visibility <br />Material consistency description : Job efficiency <br />Consolidated stockpile Spoil pile <br />Push gradient <br />Altitude <br />Material weight <br />Blade type <br />Net correction <br />Adjusted unit production <br />Adjusted fleet production <br />Loose <br />1.165 volume: 19,295 LCY <br />Average push gradient: 5.00 % (pos) <br />Average site altitude : 7,500 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) Total job time <br />Unit cost : $0.369 /LCY Total job cost <br />ors <br />0.75 <br />Source <br />(avg.) <br />(Cat HB) <br />(gen.) <br />(avg.) <br />(1 shift/day) <br />(fnd -rf <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />(S /SU /U) <br />1.00 <br />1.00 <br />1.00 <br />0.83 <br />0.80 <br />0.90 <br />1.00 <br />0.79 <br />1.00 <br />0.36 <br />499.44 LCY /hr <br />499.44 LCY /hr <br />38.63 Hours <br />$7,128 <br />