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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 184 State :Colorado PermiUjob# : C-96-083 <br />Date : 07/02/2002 County :Delta Abbreviation :none <br />User : JRS Site :Bowie No. 2 Mine Filename :C083-184 <br />Agency or organization name :Colorado Division O/Minerals And Geology <br />Permit or other job action :Minor Revision 24 <br />Task descdption :Replace Topsoil from Stockpile to Drill Pads <br />HOURLY EQUIPMENT COST <br /> Basic machine :Cat D8R - 8SU Horsepower : 305 <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 /> Utilization <br />Cost Breakdown : Ownership cosUhour : $49.50 NA <br /> OperatingcosUhour : $65.98 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cosUhour : $27.99 NA <br /> Total unit cost/hour : $143.48 Total fleet cosUhour : $143.48 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 3,230 CCY factor : 1.125 volume: 3,634 LCY <br /> <br />Source of estimated volume :Division Estimate <br />Source of estimated swell factor :CAT Handbook <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 100 feet <br />Unadjusted hourly production : 852.6 LCY/hr <br />Material consistency description <br />Consolidated stockpile <br />Average push gradient : 5.00 % (pos) <br />Average site altitude : 7,500 feet <br />Material weight : 2,550 Ibs/LCY <br />Weight description <br />Operator skill : 0.75 <br />Material consistency : 1.00 <br />Dozing method : 1.00 <br />visibility : 1.00 <br />Job efficiency : 0.83 <br />Spoil pile : 0.80 <br />Push gradient : 0.90 <br />Altitude : 1.00 <br />Material weight : 0.90 <br />Blade type : 1.00 <br />Net correction : 0.41 <br />