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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 017 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County :Delta Abbreviation :none <br />User : JRS Site :Bowie No. 1 Mine Filename :C038-017 <br />Operator skill : 0.75 <br />Material consistency : 0.90 <br />Dozing method : 1.00 <br />Visibility : 1.00 <br />Job efficiency : 0.83 <br />Spoil pile : 0.80 <br />Push gradient : 0.79 <br />Altitude : 1.00 <br />Material weight : 0.79 <br />Blade type : 1.00 <br />Net correction : 0.28 <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 : Backrill Orchard Valley West Mine Bench <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 /> (CRG) <br />Data source: <br /> - <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 Loose <br />volume : 11,500 CCY factor : 1.165 volume : 13,398 LCY <br />Source of estimated volume : Remaining Volume after SL-02 Approval <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors <br />Average push distance : 400 feet <br />Unadjusted hourly production : 497.3 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient <br />Average site altitude <br />10.00 % (pos) <br />7,200 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 : $1.846 /LCY <br />Source <br />(avg.) <br />(Cat HB) <br />(gen.) <br />(avg.) <br />(1 shift/day) <br />(fnd-ro <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />(S/SU/U) <br />Adjusted unit production : 139.03 LCY/hr <br />Adjusted fleet production : 556.13 LCY/hr <br />Total job time : 24.09 Hours <br />Total job cost : $24,727