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CIRCES Cost Estimating Software <br />COMPACTION WORK <br />PROJECT IDENTIFICATION <br />Task # : 053 State : Colorado <br />Date <br />User <br />02- Nov -2009 <br />JRS <br />County :Delta <br />Permit/job #: C -96 -083 <br />Site Bowie No. 2 Mine <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : 2009 Midterm Review <br />Task description : Compact B -Seam Portal Bench <br />HOURLY EQUIPMENT COST <br />Machine description :CAT 815F <br />Compactor type : Soil - tamping foot <br />volume: 138,000 LCY <br />Horsepower: 240 <br />Shift basis : 1 per day <br />factor : 0.875 volume: 120,750 CCY <br />Source of estimated volume Operator Estimate <br />Source of estimated shrinkage factor CAT Handbook <br />HOURLY PRODUCTION <br />Unadiusted hourly production = (W x S x L x C) / P <br />Compacted width per pass (W) : <br />6.42 <br />feet <br />Average compactor speed (S) : <br />4.00 <br />mph <br />Compacted thickness of each lift (L) : <br />8.00 <br />inches <br />Conversion constant (C) : <br />16.3 <br />(5,280 ft./12 in. /27 cu.ft.) <br />Required number of machine passes (P) : <br />3 <br />passes <br />Unadjusted hourly unit production : <br />1,116.22 <br />CCY /hr <br />Job Condition Correction Factors <br />Site altitude : 6,750 feet <br />Source <br />Altitude adjustment factor: 1.00 (Cat HB) <br />Job efficiency factor: 0.83 (1 shift/d <br />Net job correction : 0.83 multiplier <br />Adjusted hourly unit production : 926.47 CCY /hr <br />Adjusted hourly fleet production : 926.47 CCY /hr <br />JOB TIME AND COST <br />Fleet size : 1 compactor(s) Total job time: 130.33 hours <br />Abbreviation : none <br />Filename : C083 -053 <br />Unit cost : $0.174 per CCY Total job cost: $21,006 <br />gg <br />tpw a.i-� <br />