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CIRCES Cost Estimatina Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 241 State : Colorado Permit/job# : C- 1996 -083 <br />Date : 0410112010 County :Delta Abbreviation :none <br />User: JRS Site: Bowie No. 2 Mine Filename :C083 -241 <br />Agency or organization name: Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :Minor Revision 116 <br />Task description : Regrade Terror Creek Light -Use Road <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D9R - 9SU (2005) <br />Horsepower:-- <br />_405 <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: Ownership cost/hour : $67.77 NA <br />Operating cost/hour : $95.29 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $201.60 Total fleet cost/hour : <br />$201.60 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 9,800 CCY factor : 1.125 volume: <br />11,025 <br />LCY <br />Source of estimated volume: Division Estimate <br />Source of estimated swell factor: CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors <br />Source <br />Operator skill : <br />0.75 <br />(a vg.) <br />Average push distance : 125 feet Material consistency: <br />0.90 <br />_(Cat HB) <br />Unadjusted hourly production : 1,055.6 LCY /hr Dozing method : <br />1.00 <br />(gen.) <br />Visibility: <br />1.00 <br />(avg.) <br />Material consistency description : Job efficiency: <br />0.83 <br />(1shift1day) <br />Compacted fill or embankment Spoil pile: <br />0.80 <br />(fnd -r� <br />Push gradient: <br />0.90 <br />(Cat HB) <br />Average push gradient: 5.00 % (pos) Altitude : <br />0.95 <br />_(Cat HB) <br />Average site altitude : 7,800 feet Material weight: <br />0.87 <br />(Cat HB) <br />Blade type : <br />1.00 <br />Material weight: 2,650 Ibs /LCY Net correction : <br />0.33 <br />Weight description : <br />Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : <br />352.35 <br />LCY /hr <br />Adjusted fleet production : <br />352.35 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : <br />31.29 <br />Hours <br />Unit cost: $0.572 /LCY Total job cost: <br />$6,308 <br />