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CIRCES Cost Estimating Software <br />COMPACTION WORK <br />a- <br />PROJECT <br />PROJECT IDENTIFICATION <br />Task # : 054 State :Colorado Permit/job # : C -96 -083 <br />Date : <br />User: <br />02- Nov -2009 <br />JRS <br />County :Delta <br />Site Bowie No. 2 Mine <br />Abbreviation :none <br />Filename : C083 -054 <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 Backfilled Freeman Gulch Vent Shaft Pad <br />HOURLY EQUIPMENT COST <br />Machine description : CAT 815F Horsepower: 240 <br />Compactor type : Soil - tamping foot Shift basis : 1 per day <br />volume: 1,964 LCY factor : 0.875 <br />volume: 1,718 CCY <br />Source of estimated volume : Operator Estimate <br />Source of estimated shrinkage factor CAT Handbook <br />HOURLY PRODUCTION <br />Unadjusted hourl production = (W x S x L x C) / P <br />Compacted width per pass (W) <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 : 7,000 feet <br />6.42 <br />feet <br />4.00 <br />mph <br />8.00 <br />inches <br />16.3 <br />(5,280 ft./12 in. /27 cu.ft.) <br />3 <br />passes <br />1,116.22 CCY /hr <br />Source <br />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 : <br />926.47 <br />CCY /hr <br />Adjusted hourly fleet production : <br />926.47 <br />CCY /hr <br />__.W__ .._.� __... _,.,_ . <br />...r...._. . w <br />JOB TIME AND COST <br />Fleet size : <br />1 compactor(s) Total job time: <br />1.85 <br />hours <br />Unit cost <br />$0.174 per CCY Total job cost : <br />$299 <br />