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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 : 21- May -2008 County : La Plata <br />User: TA Site Carbon Junction Mine <br />Agency or organization name CDRMS <br />Permit or other job action : -03 <br />Task description : Compact topsoil fill and spoil fill at North Pit <br />HOURLY :. E ::: UIPM ... COST .;:.;:.; :.......................................................................................................................................................... ............................... <br />Q <br />Machine description : CAT 815F Horsepower: 240 <br />Compactor type : Soil - tamping foot Shift basis : 1 per day <br />Source of estimated volume TR -12 estimate <br />Source of estimated shrinkage factor : DRMS estimate <br />........................................................................................................................................................................... ............................... <br />HOURLY PRODU CTION <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 />2.50 <br />mph <br />Compacted thickness of each lift (L) : <br />24.00 <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 />5 <br />passes <br />Unadjusted hourly unit production : <br />1,255.75 <br />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 />Abbreviation :none <br />Filename : C080 -010 <br />