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CIRCES Cost Estimatina Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 009 State : Colorado Permit/job# : C-96-083 <br />Date : 0912812009 County :Delta Abbreviation :none <br />User: JRS Site :Bowie No. 2 Mine Filename :C083-009 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2009 Midterm Review <br />Task description :Regrade New Truck Loadout and Coal Stockplle <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D10R - 10SU (2005) Horsepower:____ _ 570 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis:--- Iper day <br />Attachment no. 2 :3-shank ripper <br />Cost Breakdown : Ownership cost/hour : <br />Operating cost/hour : <br />Ripper op. cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour : <br />MATERIAL QUANTITIES <br />Data source : (_CR_G_) <br />Utilization % <br />$92.20 NA <br />$164.67 100 <br />$0.00 0 <br />$38.54 NA <br />$295.41 Total fleet cost/hour : $1,181.65 <br />Initial Swell <br />volume : 67,920 CCY factor <br />Source of estimated volume :Operator Estimate <br />Source of estimated swell factor CAT Handbook <br />: <br /> - <br />HOURLY PRODUCTION Job <br />Average push distance : 100 feet <br />Unadjusted hourly production : 1,718.9 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br /> <br />Average push gradient : 0.00 % (pos) <br />Average site altitude : 6,000 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) <br />Unit cost : $0.484 /LCY <br />Loose <br />1.165 volume : 79,127 LCY <br />Condition Correction Factors Source <br />Operator skill : 0.75 (avg.) <br />Material consistency : 0.90 (Cat HB) <br />Dozing method : 1.00 (gen.) <br />Visibility : 1.00 (avg.) <br />Job efficiency : 0.83 (1shift1day) <br />Spoil pile : 0.80 (fnd-ro <br />Push gradient : 1.00 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.79 (Cat HB)_ <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.36 <br /> <br />Adjusted unit production : 610.79 LCY/hr <br />Adjusted fleet production : 2,443.18 LCY/hr <br /> <br />Total job time : 32.39 Hours <br />Total job cost : $38,270 <br />