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CIRCES Cost Estimating Software <br />PROJECT IDENTIFICATION <br />Task # : 038 <br />Date : 16-Oct-2006 <br />User: JRS <br />PermiUjob # : C-98-083 <br />Abbreviation :none <br />Filename : C083-036 <br />Agency or organization name :Colorado Division Of Minerals And Geology <br />Permit or other job action :Permit Renewa102 <br />Task description :Compact BacMilled D-Portal Bench, Roads and <br />HOURLY EQUIPMENT COST <br />State :Colorado <br />County :Delta <br />Site :Bowie No. 2 Mine <br />Machine description :CAT 815E <br />Compactor type :Pad Foot <br />Horsepower: 240 <br />Shift basis : 1 per day <br /> Utilization % Data source : (CRG) <br />Cost Breakdown : Ownership cost/hour : $49.43 NA <br />Operating cosUhour : $59.54 100 <br />Operator cosUhour : $32.53 NA <br />Total unit cosUhour : $141.50 Total fleet cosUhour : $141.50 <br /> <br />;::. <br />MATERIAL QUANTITIES <br />Loose Shrinkage Compacted <br />volume : 619,112 LCY factor : 0.875 volume : 541,723 CCY <br />Source of estimated volume :Total of All Backfilling Tasks <br />Source of estimated shrinkage factor :CAT Handbook <br />HOURLY PRODUCTION <br />Unadiusted hourly aroduction = (1N x S x L x Cl / P <br />Compacted width per pass (V~ <br />Average compactor speed (S) <br />Compacted thickness of each lift (L) <br />Conversion constant (C) <br />Required number of machine passes (P) <br />Unadjusted hourly unit production <br />Job Condition Correction Factors <br />Site altitude : 6,500 feet <br />6.42 feet <br />4.00 mph <br />8.00 inches <br />16.3 (5,280 ft./12 in./27 cu.ft.) <br />3 passes <br />1,116.22 CCY/hr <br /> Source <br />Altitude adjustment factor : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shifUday) <br />Net job correction : 0.83 multiplier <br />Corridor <br />