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BULLDOZER RIPPING WORK <br />Task description: Rip West Haul Road <br />Permit Action: 2012 New Permit <br />Site: New Horizon North Mine Estimate <br />PROJECT IDENTIFICATION <br />Task #: 011 State: Colorado <br />Date: 02- Mar -12 County: Montrose <br />User: JRS <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D1 1R - 11U <br />Ripper Attachment: 1 -Shank Ripper <br />Permit/Job #: C2010089 <br />Abbreviation: None <br />Filename: C089 -011 <br />Horsepower: 850 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Cost Breakdown: <br />NA <br />feet/second <br />Area: <br />Utilization % <br />Ownership Cost /Hour: <br />$147.98 <br />Average Ripping Width: <br />NA <br />Operating Cost/flour: <br />$274.62 <br />200.00 <br />100 <br />Ripper Operating Cost/Hour: <br />$15.20 <br />feet <br />100 <br />Operator Cost/Hour: <br />$38.49 <br />Production per unit area: <br />NA <br />Total Unit Cost/flour: <br />$476.28 <br />Total Fleet Cost/Hour: <br />$952.57 <br />0.867 <br />MATERIAL QUANTITIES <br />Selected estimating method: Area <br />Alternate Methods: <br />feet <br />Altitude Adj: <br />Seismic: NA Bank Volume: NA <br />BCY <br />Area: 5.45 acres Rip Depth (ft): 3.00 <br />Volume: 2 <br />Source of estimated quantity: Map 2.05.3(_ <br />HOURLY PRODUCTION <br />Seismic: <br />3 <br />NA <br />78 BCY or CCY <br />Seismic Velocity: <br />NA <br />feet/second <br />Area: <br />Average Ripping Depth: <br />5.29 <br />mph <br />Average Ripping Width: <br />7.94 <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 />0.867 <br />acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: <br />0.867 <br />Acres/hr <br />Site Altitude: <br />5,000 <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 />0.72 <br />Acres/hr <br />Adjusted Hourly Fleet Production: <br />1.44 <br />Acres/hr <br />JOB TIME AND COST <br />Fleet size: 2 Grader(s) Total job time: 3.79 Hours <br />Unit cost: $661.821 Per acre Total job cost: $3,607.00 <br />CIRCES Cost Estimating Software <br />