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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 088 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County :Delta Abbreviation :none <br />User: JRS Site : Bowie No. 1 Mine Filename : C038-088 <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 :Backfil/ and Regrade Pond 4 <br /> <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <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: <br />(CRG) <br /> Utilization % - <br />Cost Breakdown : Ownership cost/hour : $67.77 NA <br />Operating cost/hour : $95.29 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $201.60 Total fleet cost/hour : $201.60 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 968 BCY factor : 1.330 volume : 1,287 LCY <br />Source of estimated volume: Permit Volume 1, Page 33, Map 8-1 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Operator skill : <br />Average push distance : 100 feet Material consistency : <br />Unadjusted hourly production : 1,243.2 LCY/hr Dozing method : <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 0.00 % (i <br />Average site altitude : 7,000 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Visibility: <br />Job efficiency : <br />Spoil pile: <br />Push gradient : <br />Altitude : <br />Material weight : <br />Blade type <br />Net correction <br />_ 0.75 (avg.) <br />0.90 (Cat HB) <br />1.00 (gen.) <br />1.00 (a vg.) <br />0.83 (lshift/day) <br />0.80 (fnd-tf <br />1.00 (Cat HB) <br />1.00 (Cat HB) <br />0.79 (Cat HB) <br />1.00 (S/SU/U) <br />0.36 <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 441.76 LCY/hr <br />Adjusted fleet production : 441.76 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 2.91 Hours <br />Unit cost : $0.456 /LCY Total job cost : $588 <br />