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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 002 State : Colorado Permit/job# : C-1981-020 <br />Date : 0711612010 County : Garfield Abbreviation : none <br />User : JRS Site :Munger Canyon Mine Filename :C020-002 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-06) <br />Task description : Regrade Mine Road and Bench with Material from Task 001 <br />HOURLY EQUIPMENT COST <br /> Basic machine : Cat D8R Series 11 - 8SU (200,1 Horsepower : 310 <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 : $53.74 NA <br /> Operating cost/hour : $70.63 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $38.54 NA <br /> Total unit cost/hour : $162.90 Total fleet cost/hour : $162.90 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 7,800 LCY factor : NA volume : 7,800 LCY <br />Source of estimated volume: Operator Estimate <br />Source of estimated swell factor : NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 852.6 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 : 0.80 (fnd-rf) <br /> Push gradient : 0.67 (Cat HB) <br />Average push gradient : 15.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 5,600 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.24 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 201.97 LCY/hr <br /> Adjusted fleet production : 201.97 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 38.62 Hours <br />Unit cost : $0.807 /LCY Total job cost : $6,291