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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 110 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County :Delta Abbreviation : none <br />User : JRS Site :Bowie No. 1 Mine Filename : C038-110 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : 2010 Midterm Review (MT-6) <br />Task description :Replace Topsoil from Stockpile to Drill Pads <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 : 1 per day <br />Attachment no. 2:3-shank ripper <br />Data source : (CRG) <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $89.77 NA <br />Operating cost/hour : $128.30 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $256.60 Total fleet cost/hour : $1,026.41 <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 5,455 BCY factor <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 : 50 feet Material consistency : 1.00 (Cat HB) <br />Unadjusted hourly production : 2,748.7 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Consolidated stockpile Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 0.79 (Cat HB) <br />Average push gradient : 10.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,850 feet Material weight : 1.10 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,100 Ibs/LCY Net correction : 0.43 <br />Weight description <br />Earth - Loam Adjusted unit production : 1179.12 LCY/hr <br /> Adjusted fleet production : 4,716.48 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) Total job time : 1.45 Hours <br />Unit cost : $0.218 /LCY Total job cost : $1,484 <br />Loose <br />1.250 volume : 6,819 LCY