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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 003 State : Colorado Permitrob# : C-1981-038 <br />Date <br />User <br />11/21/2007 <br />JRS <br />County : Delta <br />Site : Bowie No. 1 Mine <br />Abbreviation : none <br />Filename : C038-003 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day <br />Attachment no. 2:3-shank ripper <br />Data source:_ (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $97.38 NA <br />Operating cost/hour : $138.49 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $268.65 Total fleet cost/hour : $1,074.59 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 825 CCY factor : 1.165 volume : 961 LCY <br />Source of estimated volume : Map 5C-6A and 8A-2 <br />Source of estimated swell factor : CAT Handbook <br /> <br />Source <br />HOURLY PRODUCTION Job Condition Correction Factors <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 125 feet <br />Unadjusted hourly production : 1,450.0 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient <br />Average site altitude <br />12.00 % (pos <br />7,150 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />DeCOmDosed rock - 50% Rock, 50% Earth <br />Material consistency : 0.90 (Cat HB) <br />Dozing method : 1.00 (gen.) <br />Visibility : 1.00 (avg.) <br />Job efficiency : 0.83 (1shift1day <br />Spoil pile : 0.80 (fnd-rf) <br />Push gradient : 0.74 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.79 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.26 <br />Adjusted unit production <br />Adjusted fleet production <br />380.76 <br />1,523.05 <br />LCY/hr <br />LCY/hr