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Page 21 of 102 <br />BULLDOZER RIPPING WORK <br />Task description: Rip Facilities Area <br />Site: Seneca II -W Mine Permit Action: SL5 Permit/Job #: C1982057 <br />PROJECT IDENTIFICATION <br />Task #: 020 State: Colorado <br />Date: 7/3/2014 County: Routt <br />User: JHB <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D1 1R - 11U <br />Ripper Attachment: 3 -Shank Ripper <br />Cost Breakdown: <br />Abbreviation: None <br />Filename: C057 -020 <br />Horsepower: 850 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 17.50 acres Rip Depth (ft): 3.00 Volume: 84,700 BCY or CCY <br />Source of estimated quantity: Page 25 -1 -19 <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: NA feet /second <br />Area: <br />Average Ripping Depth: <br />3.51 <br />mph <br />Utilization % <br />Ownership Cost /Hour: <br />$189.56 <br />Average Ripping Length: <br />NA <br />Operating Cost/Hour: <br />$308.78 <br />88.00 <br />100 <br />Ripper Operating Cost/Hour: <br />$13.94 <br />feet <br />100 <br />Operator Cost/Hour: <br />$38.01 <br />Job Condition Correction Factors <br />NA <br />Total Unit Cost/Hour: <br />$550.28 <br />1.110 <br />Total Fleet Cost/Hour: <br />$2,201.14 <br />7,500 <br />feet <br />MATERIAL QUANTITIES <br />Selected estimating method: Area <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 17.50 acres Rip Depth (ft): 3.00 Volume: 84,700 BCY or CCY <br />Source of estimated quantity: Page 25 -1 -19 <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: NA feet /second <br />Area: <br />Average Ripping Depth: <br />3.51 <br />mph <br />Average Ripping Width: <br />9.83 <br />degrees <br />Average Ripping Length: <br />300.00 <br />feet <br />Average Dozer Speed: <br />88.00 <br />feet <br />Average Maneuver Time: <br />0.25 <br />feet <br />Production per unit area: <br />1.110 <br />acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: <br />1.110 <br />Acres/hr <br />Site Altitude: <br />7,500 <br />feet <br />Altitude Adj: <br />1.00 <br />(CAT HB) <br />Job Efficiency: <br />0.83 <br />(1 shift/day) <br />Net Correction: <br />0.83 <br />multiplier <br />Adjusted Hourly Unit Production: <br />0.92 <br />Acres/hr <br />Adjusted Hourly Fleet Production: <br />3.69 <br />Acres/hr <br />JOB TIME AND COST <br />Fleet size: 4 Grader(s) <br />Total job time: <br />4.75 Hours <br />Unit cost: $597.229 Per acre Total job cost: $10,452 <br />CIRCES Cost Estimating Software <br />