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PROJECT IDENTIFICATION <br />CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Task # : 006 State : Colorado <br />Date : 0312912009 County :Garfield <br />User : JRS Site : Coal Ridge Mine <br />Permit/job# : C-1984-065 <br />Abbreviation :none <br />Filename : C065-006 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2009 Midterm Review <br />Task description :Backfill Sediment Pond <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8SU (200,1 Horsepower : 310 <br />Blade type : Semi-Universal <br />Attachment no. 1 :BOPS Cab Shiftbasis : 1 per day <br />Attachment no. 2:3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $57.13 NA <br />Operating cost/hour : $77.13 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $167.03 Total fleet cost/hour : $167.03 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 10,785 CCY factor : 1.165 volume : 12,565 LCY <br />Source of estimated volume :Plate 4-1 <br />Source of estimated swell factor : CAT Handbook <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 100 feet <br />Unadjusted hourly production : 852.6 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 11.00 % (r <br />Average site altitude : 5,700 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />Operator skill : 0.75 (avg.) <br />Material consistency : 0.90 (Cat HB) <br />Dozing method : 1.00 (gen.) <br />Visibility: 1.00 (avg.) <br />Job efficiency : 0.83 (1shift1day) <br />Spoil pile : 0.80 (fnd-ri) <br />Push gradient : 1.25 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.79 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.44 <br />Adjusted unit production : 377.70 LCY/hr <br />Adjusted fleet production : 377.70 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 33.27 Hours <br />Unit cost : $0.442 /LCY Total job cost : $5,557