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PROJECT IDENTIFICATION <br />Task #: 015 <br />Date : . 0112612010 <br />User: JRS <br />CIRCES Cost Estimating Softwar <br />BULLDOZER WORK <br />State : Colorado <br />County : Delta <br />Site :Bowie No. 2 Mine <br />Pennit/job# : C -96 -083 <br />Abbreviation : none <br />Filename :C083 -015 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety _ <br />Permit or other job action : 2009 Midterm Review <br />Task description Backfill and Regrade B -Seam Portal Berich <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D10R - 10SU (2005) <br />Horsepower: 570 <br />Blade type Semi - Universal <br />Job Condition Corre Factors <br />Attachment no. 1 : ROPS Cab <br />Shift basis: 1 per day <br />- ------- - - - - -- <br />Attachment no. 2 : 3-shank ripper <br />Data source : (C RG) <br />Utilization % <br />Cost Breakdown: Ownership cost/hour: $89.77 <br />NA <br />Operating cost/hour: $128.30 <br />100 <br />Ripper op. cost/hour : $0.00 <br />0 <br />Operator cost/hour: $38.54 <br />NA <br />Total unit cost/hour : $256.60 <br />Total fleet cost/hour: $1,026.41 <br />MATERIAL QUANTITIES <br />Initial <br />volume: 3 2,000 CCY <br />Swell Loose <br />factor : 1.165 volume <br />37,280 LCY <br />Source of estimated volume : Operator Estimate <br />Source of estimated swell factor CAT Handbook <br />HOURLY PRODUCTION <br />Job Condition Corre Factors <br />Source <br />Operator skill : <br />0.75 <br />(a vg.) <br />Average push distance : <br />150 <br />feet <br />Material consistency : <br />0.90 <br />(Ca HB)_ <br />Unadjusted hourly production : <br />1,243.2 <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 />(l <br />Compacted fill or embankment <br />Spoil pile: <br />0.80 <br />_ (f n_d - <br />Push !gradient : <br />0.54 <br />( HB) <br />Average push gradient: <br />20.00 <br />% (pos) <br />Altitude : <br />1.00 <br />(Cat HB <br />Average site altitude : <br />6,750 <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 />0.19 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />Adjusted unit production : <br />240.67 <br />LCY /hr <br />Adjusted fleet production : <br />962.67 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size: <br />4 <br />Dozer(s) <br />Total job time : <br />38.73 <br />Hours <br />Unit cost: <br />$1.066 <br />/LCY <br />Total job cost : <br />$39,749 <br />