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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 :Backfill and Regrade Pond 4 <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source : (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 /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 968 BCY factor : 1.330 volume <br />Source of estimated volume: Permit Volume 1, Page 33; Map 8-1 <br />Source of estimated swell factor : CAT Handbook <br />1,287 LCY <br />HOURLY PRODUCTION Job Condition Correction Factors <br />Operator skill : 0.75 <br />Average push distance : 100 feet Material consistency : 0.90 <br />Unadjusted hourly production : 1,243.2 LCY/hr Dozing method : 1.00 <br />Visibility: 1.00 <br />Material consistency description : Job efficiency : 0.83 <br />Compacted fill or embankment Spoil pile : 0.80 <br />Average push gradient : 0.00 % (pos) <br />Average site altitude : 7,000 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 : 1 Dozer(s) <br />Unit cost : $0.456 /LCY <br />Push gradient : 1.00 <br />Altitude : 1.00 <br />Material weight : 0.79 <br />Blade type : 1.00 <br />Net correction : 0.36 <br /> <br />Source <br />(avg.) <br />(Cat HB) <br />(gen.) <br />(avg.) <br />(1 shift/day) <br />(fnd-rf) <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />(S/SU/U) <br />Adjusted unit production : 441.76 LCY/hr <br />Adjusted fleet production : 441.76 LCY/hr <br />Total job time : 2.91 Hours <br />Total job cost : $588