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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 092 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County:Delta Abbreviation :none <br />User : JRS Site :Bowie No. 1 Mine Filename :C038-092 <br />1 Adjusted unit production <br />Adjusted fleet production <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 Timber Storage Pond <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type : Semi-Universal <br />Attachment no. 1 :BOPS 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 : $67.77 NA <br />MATERIAL QUANTITIES <br />Initial <br />volume : 1.593 <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 />Swell Loose <br />BCY factor : 1.330 volume : 2,119 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 : 0.75 (avg.) <br />Average push distance : 50 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 2,110.5 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rg <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient : 0.00 % (pos) Altitude : 1.00 (Cat HS) <br />Average site altitude : 7,200 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.36 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) <br />Unit cost : $0.269 /LCY <br />749.95 LCY/hr <br />749.95 LCY/hr <br />Total job time : 2.83 Hours <br />Total job cost : $570