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BULLDOZER RIPPING WORK <br />Task description: Rip 10 acres of hard pan <br />Robinson Sons Gravel Pit No. Permit Action: <br />Site: 1 M2008076 Permit /Job #: M2008076 <br />PROJECT IDENTIFICATION <br />Task #: 011 <br />Date: 12/3/2012 <br />User: TOD <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D8T - 8SU <br />Cost Breakdown: <br />Area: 10.00 <br />Area: <br />Agency or organization name: DRMS <br />Ripper Attachment: 3 -Shank Ripper <br />Ownership Cost /Hour: <br />Operating Cost /Hour: <br />Ripper Operating Cost /Hour: <br />Operator Cost /Hour: <br />Total Unit Cost /Hour: <br />State: Colorado Abbreviation: None <br />County: Las Animas Filename: M076 -011 <br />$65.28 <br />$102.81 <br />$6.49 <br />$38.49 <br />$213.07 <br />Source of estimated quantity: Estimate <br />HOURLY PRODUCTION <br />Seismic: <br />Horsepower: 310 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Utilization % <br />NA <br />100 <br />100 <br />NA <br />Total Fleet Cost /Hour: $213.07 <br />MATERIAL QUANTITIES Selected estimating method: Area <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />acres Rip Depth (ft): 1.00 Volume: 16,133 BCY or CCY <br />Seismic Velocity: 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: 7,025 feet <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.83 multiplier <br />JOB TIME AND COST <br />Adjusted Hourly Unit Production: 0.64 Acres/hr <br />Adjusted Hourly Fleet Production: 0.64 Acres/hr <br />