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BULLDOZER RIPPING WORK <br />Task description: Rip pit floor and access roads <br />Site: Blue Pit <br />PROJECT IDENTIFICATION <br />Task #: 02B State: Colorado <br />Date: 6/20/2011 County: Garfield <br />User: DMC <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9R - 9U (2005) <br />Ripper Attachment: 3 -Shank Ripper <br />Cost Breakdown: <br />Area: <br />Agency or organization name' DRMS <br />Ownership Cost/Hour: <br />Operating Cost/Hour: <br />Ripper Operating Cost/Hour: <br />Operator Cost/Hour: <br />Total Unit Cost/Hour: <br />HOURLY PRODUCTION <br />Seismic: <br />Unit cost: $307.245 Per acre <br />Permit Action: <br />$57.16 <br />$110.89 <br />$7.05 <br />$38.49 <br />$213.59 <br />June 9, 2011 <br />Inspection <br />Horsepower: 405 <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: $427.17 <br />MATERIAL QUANTITIES Selected estimating method: Area <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 12 acres Rip Depth (ft): 2.00 Volume: 38,720 BCY or CCY <br />Source of estimated quantity: Approximated from inspection observations <br />Seismic Velocity: NA feet/second <br />Average Ripping Depth: 2.00 mph <br />Average Ripping Width: 7.67 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: 0.838 acres /hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.838 Acres /hr <br />Site Altitude: 6,350 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: 0.70 Acres /hr <br />Adjusted Hourly Fleet Production: 1.39 Acres /hr <br />Permit/Job #: M1981207 <br />Abbreviation: None <br />Total job cost: <br />Filename: M207 -02b <br />JOB TIME AND COST <br />Fleet size: 2 Grader(s) Total job time: 8.63 Hours <br />$3,687.00 <br />CIRCES Cost Estimating Software <br />