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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 003 State : Colorado Permit/job# : C -81 -035 <br />Date : 0112512010 County :La Plata Abbreviation :none <br />User: TAK Site :King 1 Mine Filename :C035 -003 <br />Agency or organization name: Division Of Reclamation, Mining And Safety <br />Permit or other job action :Midterm Permit Review 6 <br />Task description :Push ripped waste to tipple highwall <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D8R Series 11 - 8SU (200,1 Horsepower: 310 <br />Blade type: Semi - Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3 -shank ripper <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 3,794 LCY factor: NA volume <br />Source of estimated volume: Volume from Task 002, swelled 20% <br />Source of estimated swell factor: NA <br />3,794 LCY <br />HOURLY PRODUCTION <br />Data source : (CRG) <br />Job Condition Correction Factors <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : <br />$54.99 <br />NA <br />Operating cost/hour : <br />$90.98 <br />100 <br />Ripper op. cost/hour : <br />$0.00 <br />0 <br />Operator cost/hour : <br />$38.54 <br />NA <br />Total unit cost/hour : <br />$184.50 <br />Total fleet cost/hour : $184.50 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 3,794 LCY factor: NA volume <br />Source of estimated volume: Volume from Task 002, swelled 20% <br />Source of estimated swell factor: NA <br />3,794 LCY <br />HOURLY PRODUCTION <br />Job Condition Correction Factors <br />Source <br />Operator skill : <br />0.75 <br />(avg.) <br />Average push distance : <br />200 <br />feet <br />Material consistency : <br />1.20 <br />(Cat HB) <br />Unadjusted hourly production : <br />491.9 <br />LCY /hr <br />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 />(1shift/day) <br />Loose stockpile <br />Spoil pile: <br />0.80 <br />(fnd -ri) <br />Push gradient: <br />1.00 <br />(Cat HB) <br />Average push gradient: <br />0.00 <br />% (pos) <br />Altitude : <br />1.00 <br />(Cat HB) <br />Average site altitude : <br />7,400 <br />feet <br />Material weight: <br />0.79 <br />(Cat HB) <br />Blade type : <br />1.00 <br />(S /SU /U) <br />Material weight: <br />2,900 <br />Ibs /LCY <br />Net correction : <br />0.47 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />Adjusted unit production : <br />233.06 <br />LCY /hr <br />Adjusted fleet production : <br />233.06 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : <br />1 <br />Dozer(s) <br />Total job time: <br />16.28 <br />Hours <br />Unit cost: <br />$0.792 <br />/LCY <br />Total job cost: <br />$3,003 <br />