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CIRCES Cost Estimating Software <br /> BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 165 State :Colorado PermiUjob# : C-96-083 <br />Date : 06/25/2002 County :Delta Abbreviation :none <br />User : JRS Site :Bowie No. 2 Mine Filename :C083-165 <br />Agency or organization name :Colorado Division Of Minerals And Geology <br />Permit or other job action :Technical Revision 23 <br />Task description :Replace Topsoil from Stockpile to <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 /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $49.50 NA <br /> Operating cosUhour : $65.98 100 <br /> Ripper ap. cost/hour : $0.00 0 <br /> Operator cosUhour : $27.99 NA <br /> Total unit cost/hour : $143.48 Total fleet cosUhour : $143.48 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell loose <br />volume : 4,960 CCY factor : 1.125 volume : 5,580 LCY <br /> <br />Source of estimated volume :Division Estimate <br />Source of estimated swell factor :CAT Handbook <br />HOURLY PRODUCTION Job Condition Comection Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 200 feet Material consistency : 1.00 (Ca[ HB) <br />Unadjusted hourly production : 491.9 LCY/hr Dozing method : 1.00 (gen.) <br /> visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (lshifUday) <br />Consolidated stockpile Spoil pile : 0.80 (fnd-rt) <br /> Push gradient : 0.90 (Cat HB) <br />Average push gradient : 5.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,600 feet Material weight : 0.90 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,550 Ibs/LCY Net correction : 0.41 <br />Weight description <br />Earth -Dry packed Adjusted unit production : 199.57 LCY/hr <br /> Adjusted fleet production : 199.57 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 27.96 Hours <br />Unit cost : $0.719 /LCY Total job cost : $4,012 <br />