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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 09w State :Colorado Permit/job# M--2007-044 <br />Date : 02/05/2008 County :Mesa Abbreviation :none _ <br />User <br />GRM <br />Site :Whirlwind Mine Filename :M044-09w <br />Agency or organization name: DRMS <br />Permit or other job action :Initial Reclamation Liability Estimate <br />Task description :backfill sedimentation pond <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series ll - 8U (2005) Horsepower : 310 <br />Blade type : Universal <br />Attachment no. 1 :ROPS Cab Shiftbasis : 1 per day <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br />Cost Breakdown : Ownership cost/hour : <br />Operating cost/hour : <br />Ripper op. cost/hour : <br />Operator cost/hour <br />Total unit cost/hour <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 4,608 CCY <br />Utilization % <br />$57.40 NA <br />$77.43 100 <br />$1.68 25 <br />$32.78 NA <br />$169.28 Total fleet cost/hour : $169.28 <br />Loose <br />factor : 1.165 volume : 5,368 LCY <br />Source of estimated volume :reclamationp/an <br />Source of estimated swell factor :na <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 931.6 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift1day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 1.05 (Cat HB) <br />Average push gradient : 2.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude :- 6,800 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.37 <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 <br />Adjusted unit production : 346.36 LCY/hr <br />Adjusted fleet production : 346.36 LCY/hr <br />Dozer(s) <br />Total job time : 15.50 Hours <br />Unit cost : $0.489 /LCY Total job cost : $2,624