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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 059 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County :Delta Abbreviation : none <br />User: JRS Site : Bowie No. 1 Mine Filename : C038-059 <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 :Regrade Light Use Roads from MR-125 and TR-38, 49 and 50 <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 : 51.026.41 <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 18,280 BCY factor <br />Source of estimated volume: Division Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job <br />Average push distance : 200 feet <br />Unadjusted hourly production : 946.0 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 5.00 % (pos) <br />Average site altitude : 7,850 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 : $0.845 /LCY <br />Loose <br />1.250 volume : 22,850 LCY <br />Operator skill <br />Material consistency <br />Dozing method <br />Visibility <br />Job efficiency <br />Spoil pile <br />Push gradient <br />Altitude <br />Material weight <br />Blade type <br />Net correction <br />Adjusted unit production <br />Adjusted fleet production <br />Total job time <br />Total job cost <br />tors <br />0.75 Source <br />(avg.) <br />0.90 (Cat HB) <br />1.00 (gen.) <br />1.00 (avg.) <br />0.83 (1 shift/day) <br />0.80 (fnd-ro <br />0.90 (Cat HB) <br />1.00 (Cat HB) <br />0.79 (Cat HB) <br />1.00 (S/SU/U) <br />0.32 <br />303.73 <br />1,214.92 <br />LCY/hr <br />LCY/hr <br />18.81 Hours <br />$19,304