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BULLDOZER RIPPING WORK <br />Task description: Rip plant area <br />Site: Eagle Mine Permit Action: Initial Bond <br />PROJECT IDENTIFICATION <br />Task #: 05A State: Colorado <br />Date: 7/27/2011 County: Moffat <br />User: DMC <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D8R Series II - 8U <br />(2005) <br />Ripper Attachment: 3 -Shank Ripper <br />Cost Breakdown: <br />Total Fleet Cost/Hour: <br />MATERIAL QUANTITIES <br />Alternate Methods: <br />Area: <br />Agency or organization name: DRMS <br />Ownership Cost/Hour: <br />Operating Cost/Hour: <br />Ripper Operating Cost/Hour: <br />Operator Cost/Hour: <br />Total Unit Cost/Hour: <br />Seismic Velocity: <br />Unit cost: $267.959 Per acre <br />$45.97 <br />$81.13 <br />$6.37 <br />$38.49 <br />$171.95 <br />$171.95 <br />Horsepower: 310 <br />Source of estimated quantity: Mine plan <br />HOURLY PRODUCTION <br />Seismic: <br />Selected estimating method: Area <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Utilization % <br />NA <br />100 <br />100 <br />NA <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 1 acres Rip Depth (ft): 2.00 Volume: 3,227 BCY or CCY <br />NA feet/second <br />Average Ripping Depth: 2.56 mph <br />Average Ripping Width: 7.08 degrees <br />Average Ripping Length: 200.00 feet <br />Average Dozer Speed: 88.00 feet <br />Average Maneuver Time: 0.25 feet <br />Production per unit area: 0.773 acres /hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.773 Acres /hr <br />Site Altitude: 6,650 feet <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.83 multiplier <br />Permit/Job #: M2011029 <br />Abbreviation: None <br />Total job cost: $268.00 <br />Filename: MO29 -05a <br />Adjusted Hourly Unit Production: 0.64 Acres /hr <br />Adjusted Hourly Fleet Production: 0.64 Acres /hr <br />JOB TIME AND COST <br />Fleet size: 1 Grader(s) Total job time: 1.56 Hours <br />CIRCES Cost Estimating Software <br />