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Task description: <br />Site: Red Rock Pit <br />PROJECT IDENTIFICATION <br />Task #: 02A State: Colorado <br />Date: 7/26/2011 County: Routt <br />User: DMC <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D7R DS Series II - 7SU <br />Area: <br />Agency or organization name: DRMS <br />Ripper Attachment: 3 -Shank Ripper <br />Cost Breakdown: <br />Ownership Cost/Hour: <br />Operating Cost/Hour: <br />Ripper Operating Cost/Hour: <br />Operator Cost/Hour: <br />Total Unit Cost/Hour: <br />Adjusted Hourly Unit Production: <br />Adjusted Hourly Fleet Production: <br />Unit cost: $264.761 Per acre <br />BULLDOZER RIPPING WORK <br />Rip compacted area at base of HW <br />Permit Action: SO1 Permit/Job #: M1978315 <br />$48.37 <br />$64.94 <br />$4.18 <br />$38.49 <br />$155.98 <br />Filename M315 -03a <br />Abbreviation: None <br />Horsepower: 240 <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: $155.98 <br />MATERIAL QUANTITIES Selected estimating method: Area <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 1 acres Rip Depth (ft): 2.00 Volume: 1,613 BCY or CCY <br />Source of estimated quantity: Onsite observations <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: NA feet/second <br />Average Ripping Depth: 2.45 mph <br />Average Ripping Width: 6.50 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: 0.710 acres /hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.710 Acres /hr <br />Site Altitude: 7,150 feet <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.83 multiplier <br />0.59 Acres /hr <br />0.59 Acres /hr <br />JOB TIME AND COST <br />Fleet size: 1 Grader(s) Total job time: 0.85 Hours <br />Total job cost: $132.00 <br />CIRCES Cost Estimating Software <br />