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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 012 State : Colorado Permit/job# : C-96-083 <br />Date : 0912812009 County :Delta Abbreviation : none <br />User : JRS Site : Bowie No. 2 Mine Filename : C083-012 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2009 Midterm Review <br />Task description : Backgll and Regrade Train Loadout Overland Conveyor Corridor <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 /> G <br />) <br />Data source : (CR <br /> _ <br />_ <br />_ <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $92.20 NA <br />Operating cost/hour : $164.67 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $295.41 Total fleet cost/hour : $1,181.65 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 9,259 CCY factor : 1.165 volume : 10,787 LCY <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 : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,718.9 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (a vg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-ro <br /> Push gradient : 0.79 (Cat HB) <br />Average push gradient : 10.00 % (pos) Altitude : 1.00 (Cat HB) <br /> <br />Average site altitude : 5,900 <br />feet <br />Material weight : <br />0.79 _ <br />-(Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2900 Ibs/LCY Net correction : 0.28 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 480.56 LCY/hr <br /> Adjusted fleet production : 1,922.23 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 4 Dozers) Total job time : 5.61 Hours <br />Unit cost : $0.615 /LCY Total job cost : $6,631