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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 009 <br />Date : 12/04/2003 <br />User: WHE <br />State :Colorado <br />County :San Juan <br />Site : Sunnyside Mine <br />Agency or organization name :DMG <br />Permi[ or other job action : AR-02 <br />Task description :Rip & <br />HOURLY EQUIPMENT COST <br />8 acres at American Tunnel area <br />Basic machine :Cat D8R Series 11 - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Cost Breakdown <br /> Utilization <br />Ownership cosUhour : $49.85 NA <br />Operating cost/hour : $66.44 700 <br />Ripper op. cosUhour : $3.51 50 <br />Operator cosUhour : $31.83 NA <br />Total unit cosUhour : $151.64 Total fleet cosUhour <br />MATERIAL QUANTITIES <br />Initial <br />volume : 25,813 LCY <br />Source of estimated volume : (8ac)(43560sf/ac)(2'O)/27= 25,813.3 cy <br />Source of estimated swell factor : NA <br />HOURLY PRODUCTION <br />Average push distance : 75 feet <br />Unadjusted hourly production : 1,017.1 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 5.00 % (pos) <br />Average site altitude : 11,000 feet <br />Material weight : 2,650 Ibs/LCY <br />Weight description <br />Decomposed rock - 25 % Rock, 75% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.451 /LCY <br />Swell Loose <br />factor : NA volume : 25,813 LCY <br />Job Condition Correction Factors <br />Operator skill <br />Material consistency <br />Dozing method :_ <br />Visibility <br />Job efficiency :_ <br />Spoil pile <br />I Push gradient <br />Altitude <br />Material weight <br />Blade type <br />Net correction <br />Adjusted unit production <br />Adjusted fleet production <br />PermiTlob# : M-1977-378 <br />Abbreviation :none <br />Filename : M378-009 <br />Total job time <br />Total job cost <br />$151.64 <br />Source <br />I (Cat HB) <br />(Cat HB) <br />(Cat HB) <br />(S/SU/U) <br />LCY/hr <br />LCY/h r <br />Hours <br />Horsepower: 310 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />0.75 <br />0.90 <br />1.00 <br />1.00 <br />0.83 <br />0.80 <br />0.90 <br />0.94 <br />0.87 <br />1.00 <br />0.33 <br />335.92 <br />335.92 <br />76.84 <br />$11,652 <br />