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BULLDOZER RIPPING WORK <br />Task description: Rip drill pad for water tank boreholes -Main Facilities Area <br />Site: West Elk Mine Permit Action: RN7-subtotal A Permit/Job#: C1980007 <br />Seismic: <br />Area: <br />PROJECT IDENTIFICATION <br />Task #: 002 State: Colorado <br />Date: 2/8/2017 County: Gunnison <br />User: JHB <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9T - 9SU <br />Ripper Attachment: 3 -Shank Ripper <br />Abbreviation: None <br />Filename: C007-002 <br />Horsepower: 405 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Cost Breakdown: <br />2.63 <br />mph <br />Average Ripping Width: <br />7.67 <br />Utilization % <br />Ownership Cost/Hour: <br />$97.48 <br />NA <br />Operating Cost/Hour: <br />$103.60 <br />100 <br />Ripper Ownership Cost/Hour: <br />$10.74 <br />NA <br />Ripper Operating Cost/Hour: <br />$6.60 <br />100 <br />Operator Cost/Hour: <br />$38.89 <br />NA <br />Total Unit Cost/Hour: <br />$257.31 <br />Acres/hr <br />Total Fleet Cost/Hour: <br />$1,029.24 <br />feet <br />Altitude Adj: <br />MATERIAL QUANTITIES <br />Selected estimating method: Area <br />Alternate Methods: <br />0.83 <br />(1 shift/day) <br />NA Bank Volume: NA <br />BCY <br />0.34 acres Rip Depth (ft): <br />Source of estimated quantity: MR -12E <br />HOURLY PRODUCTION <br />Seismic: <br />Area: <br />2.00 <br />Volume <br />1 <br />Seismic Velocity: NA feet/second <br />Average Ripping Depth: <br />2.63 <br />mph <br />Average Ripping Width: <br />7.67 <br />degrees <br />Average Ripping Length: <br />200.00 <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 />0.838 <br />acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: <br />0.838 <br />Acres/hr <br />Site Altitude: <br />6,300 <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 />0.70 <br />Acres/hr <br />Adjusted Hourly Fleet Production: <br />2.78 <br />Acres/hr <br />JOB TIME AND COST <br />Fleet size: 4 Grader(s) <br />Total job time: <br />0.12 <br />Unit cost: $370.135 Per acre <br />Total job cost: <br />$126 <br />NA <br />BCY or CCY <br />Hours <br />CIRCES Cost Estimating Software <br />