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<br /> <br /> <br />BULLDOZER RIPPING WORK <br />Task description: Rip North Haul Road <br />Site: New Horizon North Mine Permit Action: RN1 Permit/Job#: C2010089 <br />PROJECT IDENTIFICATION <br />Task #: 012 State: Colorado Abbreviation: None <br />Date: 1/27/2017 County: Montrose Filename: C089-012 <br />User: JDM <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Deleted - Cat D11R - 11SU Horsepower: 850 <br />Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $220.12 NA <br />Operating Cost/Hour: $235.69 100 <br />Ripper Ownership Cost/Hour: $18.91 NA <br />Ripper Operating Cost/Hour: $10.01 100 <br />Operator Cost/Hour: $38.89 NA <br />Total Unit Cost/Hour: $523.62 <br />Total Fleet Cost/Hour: $1,047.24 <br /> <br />MATERIAL QUANTITIES <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 1.72 acres Rip Depth (ft): 3.00 Volume: 8,325 BCY or CCY <br />Source of estimated quantity: PR-1, Map 2.05.3(3)-3 <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: NA feet/second <br />Area: <br />Average Ripping Depth: 3.51 mph <br />Average Ripping Width: 9.83 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: 1.073 acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 1.073 Acres/hr <br />Site Altitude: 5,000 feet <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.83 multiplier <br />Adjusted Hourly Unit Production: 0.89 Acres/hr <br />Adjusted Hourly Fleet Production: 1.78 Acres/hr <br />Selected estimating method: Area