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Page 11 of 80 <br /> <br />COMPACTION WORK <br /> <br />Task description: Compact Mine Waste and Coal Stockpile Footprints at Mine Was <br /> <br />Site: Northfield Mine Permit Action: 2014 Updated Costs Permit/Job#: C2006085 <br /> <br />PROJECT IDENTIFICATION <br /> <br />Task #: 008 State: Colorado Abbreviation: None <br />Date: 7/28/2014 County: Fremont Filename: C085-008 <br />User: JHB <br /> <br />Agency or organization name: DRMS <br /> <br />HOURLY EQUIPMENT COST <br /> <br />Basic Machine: CAT 815F Horsepower: 240 <br />Compactor Type: Soil - tamping foot Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> <br /> <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $36.81 NA <br />Operating Cost/Hour: $82.25 100 <br />Operator Cost/Hour: $28.75 NA <br /> <br />Total Unit Cost/Hour: $147.81 <br /> <br />Total Fleet Cost/Hour: $147.81 <br /> <br />MATERIAL QUANTITIES <br /> <br />Loose volume: 15,000 LCY Shrinkage factor: 0.900 <br />Compacted volume: 13,500 CCY <br /> <br />Source of estimated volume: Division Estimate <br />Source of estimated shrinkage factor: Cat Handbook <br /> <br />HOURLY PRODUCTION <br /> <br />Unadjusted hourly production = (W x S x L x C) / P <br /> <br />Compacted width per pass (W): 6.50 feet <br />Average Compactor Speed (S): 3.00 mph <br />Compacted thickness of each lift (L): 8.00 inches <br />Conversion Constant (C): 16.3 (5,280ft./12in./27cu.ft.) <br />Required number of machine passes (P): 4 passes <br />Unadjusted Hourly Unit Production: 635.70 CCY/hour <br /> <br />Job Condition Correction Factors Site Altitude: 5,400 feet <br /> <br /> Source <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.8300 multiplier <br /> <br />Adjusted Hourly Unit Production: 527.63 CCY/Hour <br />Adjusted Hourly Fleet Production: 527.63 CCY/Hour <br /> <br />JOB TIME AND COST <br /> <br />Fleet size: 1 Compactor(s) Total job time: 25.59 Hours <br /> <br />Unit cost: $0.280 per CCY Total job cost: $3,782 <br /> <br /> <br /> <br />CIRCES Cost Estimating Software <br />