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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 332 State : Colorado Permit/job# : C-1996-083 <br />Date : 0512612009 County :Delta Abbreviation :none <br />User: JRS Site : Bowie No. 2 Mine Filename : C083-332 <br />Agency or organization name : Colorado Division of Reclamation <br />Mining And Safet <br />, <br />y <br />Permit or other job action :Minor Revision 105 <br />- --- <br />Task description :Regrade Drill Pad --- <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br /> <br />Blade type : Semi-Universal _ <br />-_ <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 : $71.49 NA <br />Operating cost/hour : $103.27 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $207.53 Total fleet cost/hour : $207.53 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 2,600 BCY factor : 1.250 <br />Source of estimated volume :Division Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correa <br />Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : <br />_ 125 <br />_ feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,055.6 LCY/hr Dozing method : 1.00 --- <br />(gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shif1day) <br />Compacted fill or embankment Spoil pile : 0 <br />80 (fnd-rf) <br /> . <br /> <br />Push gradient : <br />0.90 _ <br />(Cat HB) <br />Average push gradient : 5.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,500 feet Material weight : 0.79 (Cat HB) <br /> <br />Blade type : <br />1.00 _ <br />(S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.32 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 338.92 LCY/hr <br /> Adjusted fleet production : 338.92 LCY/hr <br />JOB TIME AND COST <br />Fleet size Dozer(s) Total job time : 9.58 Hours <br />Unit cost : $0.612 /LCY Total job cost : $1,990 <br /> <br />Loose <br />volume : 3,250 LCY