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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Task # : 185 State :Colorado PermiUjob# : C-96-083 <br />Date : 07/02/2002 County :Delta Abbreviation :none <br />User : JRS Site :Bowie No. 2 Mine Filename :C083-185 <br /> <br />Agency or organization name :Colorado Division O/Minerals And Geology <br />Permit or other job action :Minor Revision 24 <br />Task description :Replace Topsoil from Stockpile to Light Use Roads <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Shift basis : 1 oer day <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $49.50 NA <br />Operating cosUhour : $65.98 100 <br />Ripper op.cosUhour : $0.00 0 <br />Operator cosUhour : $27.99 NA <br />Total unit cosUhour : $143.48 Total Fleet cost/hour : $143.48 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 1,400 CCY factor : 1.125 volume: 1,575 LCY <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 : 200 feet <br />Unadjusted hourly production : 491.9 LCY/hr <br />Material consistency description <br />Consolidated stockpile <br />Average push gradient <br />Average site altitude <br />Material weight <br />Weight description <br />Earth -Dry packed <br />5.00 % Q <br />7.500 feet <br />2,550 Ibs/LCY <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.719 /LCY <br />Operator skill : 0.75 (avg.) <br />Material consistency : 1.00 (Cat HB) <br />Dozing method : 1.00 (gen.) <br />Visibility : 1.00 (avg.) <br />Job efficiency : 0.83 (lshift/day) <br />Spoil pile : 0.80 (ind-rn <br />Push gradient : 0.90 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.90 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.41 <br />Adjusted unit production : 199.57 LCYlhr <br />Adjusted fleet production : 199.57 LCY/hr <br />Total job time : 7.89 Hours <br />Total job cost : $1,132 <br />Horsepower: 305 <br />