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PROJECT IDENTIFICATION <br />Task # : 212 <br />Date : 0610412009 <br />User : JRS <br />CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />State : Colorado <br />County :Delta <br />Site :Elk Creek Mine <br />Permit/job# :C-1981-022 <br />Abbreviation :none <br />Filename :C022-212 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : Technical Revision 63 <br />Task description : Regrade 23 Drill Pads <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <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 />Utilization % <br />Cost Breakdown : Ownership cost/hour : $71.49 NA <br />Operating cost/hour : $103.27 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $207.53 Total fleet cost/hour : $207.53 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 24,200 BCY factor : 1.250 volume : 30,250 LCY <br />Source of estimated volume: Division Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,243.2 LCY/hr Dozing method : 1.00 (gen.) <br />Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift1day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rt) <br />Push gradient : 0.90 (Cat HB) <br />Average push gradient : 5.00 % (pos) Altitude : 0.95 (Cat HB) <br />Average site altitude : 8,000 feet Material weight : 0.79 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Material weight : 2900 Ibs/LCY Net correction : 0.31 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 379.20 LCY/hr <br />Adjusted fleet production : 379.20 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 79.77 Hours <br />Unit cost : $0.547 /LCY Total job cost : $16,556