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BULLDOZER RIPPING WORK <br />Task description: Rip all regraded surfaces to a depth of 18 inches prior to s <br />Site: Multi - Mineral RDD Lease <br />PROJECT IDENTIFICATION <br />Task #: 06A State: Colorado <br />Date: 8/10/2011 County: Rio Blanco <br />User: THM <br />Cost Breakdown: <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D8R Series II - 8SU <br />(2005) <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 />$45.97 <br />$81.13 <br />$6.37 <br />$38.49 <br />$171.95 <br />Total Fleet Cost/Hour: $515.84 <br />MATERIAL QUANTITIES <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 12 acres Rip Depth (ft): 1.50 Volume: 29,524 BCY or CCY <br />Source of estimated quantity: 12.2 acres <br />HOURLY PRODUCTION <br />Seismic: <br />Area: <br />Permit Action: Reclamation Cost <br />Estimate Permit/Job #: P2010026 <br />Horsepower: 310 <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 Velocity: NA feet/second <br />Average Ripping Depth: 2.56 mph <br />Average Ripping Width: 7.08 degrees <br />Average Ripping Length: 300.00 feet <br />Average Dozer Speed: 88.00 feet <br />Average Maneuver Time: 0.25 feet <br />Production per unit area: 0.800 acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.800 Acres/hr <br />Site Altitude: 6,615 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: 0.66 Acres/hr <br />Abbreviation: None <br />Filename P026 -06a <br />Adjusted Hourly Fleet Production: 1.99 Acres/hr <br />JOB TIME AND COST <br />Fleet size: 3 Grader(s) Total job time: 6.13 Hours <br />Unit cost: $259.107 Per acre <br />Total job cost: $3,161.00 <br />CIRCES Cost Estimating Software <br />