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CIRCES Cost Estimating Softwar <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 018 <br />Date : 1110212009 <br />User: JRS <br />Peimit/job# : C -96 -083 <br />Abbreviation : none <br />Filename :C083 -018 <br />Agency or organization name Colorado Division Of Reclamation, Mining And <br />Permit or other job action : 2009 Midterm Review <br />Task description Regrade Freeman Gulch Vent Shaft Pad <br />HOURLY EQUIPMENT COST <br />Basic machine Cat D10R - 10SU (2005) <br />Horsepower: <br />570 <br />Blade type Semi - Universal <br />Attachment no. 1 : ROPS Cab <br />Shift basis : <br />1 per day <br />Attachment no. 2 : 3-shank ripper <br />Data source: <br />(CRG) <br />Utilization % <br />Cost Breakdown : <br />Ownership cost/hour : $89.77 NA <br />Operating cost/hour : $128.30 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $256.60 Total <br />fleet cost/hour : <br />$1,026.41 <br />MATERIAL QUANTITIES <br />Initial <br />Swell Loose <br />volume: 9,000 CCY <br />factor : 1.165 volume: <br />10,485 <br />LCY <br />Source of estimated volume Division Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION <br />Job Condition Correction Factors <br />Source <br />Operator skill : <br />0.75 <br />(av <br />Average push distance : <br />200 feet Material consistency : <br />0.90 <br />(Cat HB) _ <br />Unadjusted hourly production : <br />946.0 LCY /hr Dozing method: <br />1.00 <br />(gen.) <br />Visibility: <br />1.00 <br />(avg.) <br />Material consistency description : <br />Job efficiency: <br />0.83 <br />(1shift1day) <br />Compacted fill or embankment <br />Spoil pile: <br />0.80 <br />(fnd - ro <br />Push gradient : <br />0.93 <br />(Cat HB) <br />Average push gradient: <br />4.00 % (pos) Altitude : <br />1.00 <br />(Cat HB) <br />Average site altitude : <br />7,000 feet Material weight: <br />0.79 <br />(Cat HB) <br />Blade type : <br />1.00 <br />(S /SU /U) <br />Material weight: <br />2,900 Ibs /LCY Net correction : <br />0.33 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : <br />311.32 <br />LCY /hr <br />Adjusted fleet production : <br />1,245.27 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : <br />4 Dozer(s) Total job time : <br />8.42 <br />Hours <br />Unit cost: <br />$0.824 /LCY Total job cost: <br />$8,642 <br />State : Colorado <br />County : Delta <br />Site Bowie No. 2 Mine <br />