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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 351 State : Colorado Permit/job# : C-1996-083 <br />Date : 0610112009 County :Delta Abbreviation :none <br />User : JRS Site: Bowie No. 2 Mine Filename :C083-351 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :Minor Revision 104 <br />Task description :Regrade Drill Pad 192 <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 : 2500 BCY factor : 1.250 volume : 3,125 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 : 150 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 910.5 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-ro _ <br /> Push gradient : 0.90 (Cat HB) <br />Average push gradient : 5.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,000 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.32 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 292.33 LCY/hr <br /> Adjusted fleet production : 292.33 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 10.69 Hours <br />Unit cost : $0.710 /LCY Total job cost : $2,219