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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Task # <br />Date <br />User: <br />06/25x2007 <br />TAK <br />State :Colorado PermiUjob# :C-80-007 <br />County :Gunnison Abbreviation :none <br />Site :West Elk Mine Filename :0007-09j <br />Agency or organization name :Colorado Division Of Mining, Reclamation And Safety <br />Permit or otherjob action :TR-109 <br />Task description :Push subsoil material (from shafts) back Into shafts <br />Basic machine :Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 perday <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br />tltlllZatlOn <br />Cost Breakdown : Ownership cost/hour : $72.92 NA <br />OperatingcosUhour: $98.84 100 <br />Ripper op. cosUhour : $0.00 0 <br />Operator cosVhour: $32.78 NA <br />Total unit cosUhour : $204.53 Total fleet cosUhour : $204.53 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 3,000 LCY factor: NA volume: 3,000 LCY <br />Source of estimated volume :Vent shaft: 24' diam X 375' deep, Escape Shaft: 6' diam X 375' deep <br />Source of estimated swell factor :CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 100 feet <br />Unadjusted hourly production : 1,243.2 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 1.00 % ({ <br />Average site altitude : 7,500 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.468 /LCY <br />Operator skill : 0.75 <br />Material consistency : 0.90 <br />Dozing method : 1.00 <br />Visibility : 1.00 <br />Job efficiency : 0.83 <br />Spoil pile : 0.80 <br />Push gradient : 0.99 <br />Altitude : 1.00 <br />Material weight : 0.79 <br />Blade type : 1.00 <br />Net correction : 0.35 <br />Adjusted unit production : 437.03 LCY/hr <br />Adjusted fleet production : 437.03 LCY/hr <br />Total job time : 6.86 Hours <br />Total job cost : $1,404 <br />