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CIRCES Cost Estimating Software <br />COMPACTION WORK <br />PROJECT IDENTIFICATION <br />Task # : 010 State : Colorado Permit/job # : C-92-080 <br />Date : 29-Sep-2010 County:La Plata Abbreviation :none <br />User: TAK Site : Carbon Junction Mine Filename : C080-010 <br />Agency or organization name: CDRMS <br />Permit or other job action :Midterm Review 4 <br />Task description : Compact topsoil fill and spoil fill at North Pit <br />HOURLY EQUIPMENT COST <br />Machine description :CAT 815F Horsepower : 240 <br />Compactor type : Soil - tamping foot Shift basis : 1 per day <br />Utilization % Data source : (CRG) <br />Cost Breakdown : Ownership cost/hour : $44.16 NA <br />Operating cost/hour : $78.47 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $161.17 Tota l fleet cost/hour : $161.17 <br />MATERIAL QUANTITIES <br />Loose Shrinkage Compacted <br />volume : 46,250 LCY factor : 0.700 volume : 32,375 CCY <br />Source of estimated volume : TR-12 estimate <br />Source of estimated shrinkage factor :DR'MS estimate <br />HOURLY PRODUCTION <br />Unadjusted hourly production = (W x S x L x C) / P <br />Compacted width per pass (W) : 6.42 feet <br />Average compactor speed (S) : 2.50 mph <br />Compacted thickness of each lift (L) : 24.00 inches <br />Conversion constant (C) : 16.3 (5,280 ft./12 in./27 cu.ft.) <br />Required numb" machine passes (P) : 5 passes <br />Unadjusted hourly unit production : 1,255.75 CCY/hr <br />Job Condition Correction Factors Source <br />Site altitude : 7,000 feet Altitude adjustment factor : 1.00 (Cat HB) <br /> Job efficiency factor : 0.83 (1 shift/day) <br /> Net job correction : 0.83 multiplier <br /> Adjusted hourly unit production : 1,042.27 CCY/hr <br /> Adjusted hourly fleet production : 1,042.27 CCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 compactor(s) Total job time : 31.06 hours <br />Unit cost $0.155 per CCY Total job cost : $5,006