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CIRCES Cost Estimatina Software <br />BULLDOZER WORK <br />R <br />AN <br />PROJECT IDENTIFICATION <br />Task #: 011 State : Colorado Permit/job# : C -96 -083 <br />Date : <br />User: <br />11/02/2009 <br />JRS <br />County : Delta <br />Site Bowie No. 2 Mine <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : 2009 Midterm Review <br />Task description : Regrade Train Loadout Facilities and R ailbed Benches <br />H <br />HOURLY EQUIPMENT COST — - <br />Basic machine Cat D10R - 10SU (2005) Horsepower: 570 _ <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 />Average push distance <br />Unadjusted hourly production <br />Material consistency description <br />Consolidated stockvile <br />200 feet <br />946.0 LCY /hr <br />Average push gradient <br />Average site altitude <br />5.00 % (pos) <br />5,900 feet <br />Material weight: Z900 Ibs /LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Operator skill : <br />Utilization % <br />Cost Breakdown - Ownership cost/hour : $89.77 <br />1.00 <br />NA <br />Operating cost/hour : $128.30 <br />'Visibility: <br />100 <br />Ripper op. cost/hour : $0.00 <br />0.83 <br />0 <br />Operator cost/hour : $38.54 <br />Push gradient : <br />NA <br />Total unit cost/hour : $256.60 <br />Total fleet cost/hour : $1,026.41 <br />MATERIAL QUANTITIES <br />0.79 <br />Initial Swell <br />Loose <br />volume: 231,495 LCY factor : NA <br />volume: 231,495 LCY <br />Source of estimated volume : Operator Estimate <br />Source of estimated swell factor : NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance <br />Unadjusted hourly production <br />Material consistency description <br />Consolidated stockvile <br />200 feet <br />946.0 LCY /hr <br />Average push gradient <br />Average site altitude <br />5.00 % (pos) <br />5,900 feet <br />Material weight: Z900 Ibs /LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Operator skill : <br />0.75 <br />Material consistency : <br />1.00 <br />Dozing method : <br />1.00 <br />'Visibility: <br />1.00 <br />Job eifciency : <br />0.83 <br />Spoil pile: <br />0.80 <br />Push gradient : <br />0.90 <br />Altitude : <br />1.00 <br />Material weight : <br />0.79 <br />Blade type : <br />1.00 <br />Net correction : <br />0.36 <br />(Cat HB) <br />(gen.) <br />(a vg.) <br />(1 shift/da) <br />(fnd -rf) <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />(S /SU /U) <br />Adjusted unit production : 337.48 LCY /hr <br />Adjusted fleet production : 1,349.92 LCY /hr <br />Fleet size : 4 Dozer(s) Total ;job time: 171.49 Hours <br />Unit cost: $0.760 /LCY Total ,job cost: $176,018 <br />Abbreviation : none <br />Filename : C083 -011 <br />