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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 046 State : Colorado Permit/job# : C-96-084 <br />Date : 0510312010 County: Las Animas Abbreviation :none <br />User : JHB Site :Lorencito Canyon Mine Filename :C084-046 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :Midterm 3 <br />Task description :Replace Topsoil from Upslope Area to N-2 <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Horsepower: 405 <br />Shift basis : 1 per day <br />Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $67.77 NA <br /> Operating cost/hour : $95.29 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $38.54 NA <br /> Total unit cost/hour : $201.60 Total fl eet cost/hour : $403.20 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 6,300 B CY factor : 1.250 volume : 7,875 LCY <br /> <br />Source of estimated volume : Table 2.05.4-If <br />Source of estimated swell factor : CAT Handbook <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : a 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 (1shift1day) <br />Compacted fill or embankment Spoil pile : 0.60 (fnd-so <br /> Push gradient : 1.11 (Cat HB) <br />Average push gradient : 5.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,100 feet Material weight : 0.90 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,550 Ibs/LCY Net correction : 0.34 <br />Weight description <br />Earth - Dry packed Adjusted unit production : 307.80 LCY/hr <br /> Adjusted fleet production : 615.61 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 2 Dozer(s) Total job time : 12.79 Hours <br />Unit cost : $0.655 /LCY Total job cost : $5,158 <br />