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Task description: <br />Site: Chambers Pit <br />BULLDOZER RIPPING WORK <br />Rip haul road from AM2 Area 1 and sure pile area <br />Permit Action: 2011 Midterm Review Permit/Job#: M1979205 <br />PROJECT IDENTIFICATION <br />Task #: 003 <br />Date: 4/12/2011 <br />User: DMC <br />State: Colorado <br />County: Garfield <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9R - 9U (2005) <br />Ripper Attachment: 3-Shank Ripper <br />Horsepower: 405 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Cost Breakdown: Utilization % <br />Ownership Cost/Hour: $57.16 NA <br /> <br />EE <br />Operating Cost/Hour: <br />E <br />$110.89 <br /> <br />100 <br />Ripper Operating Cost/Hour: $7.05 100 <br />Operator Cost/Hour: $38.49 NA <br />Total Unit Cost/Hour: $213.59 <br /> <br />Total Fleet Cost/Hour: $213.59 <br /> <br />MATERIAL QUANTITIES Selected estimating method: Area <br />Alternate Methods: <br />Seismic: NA Bank Volume: <br />acres Rip Depth (ft): NA BCY NA <br /> <br />Volume: 7,260 BCY or CCY <br />1.50 <br />Area: 3 <br />Source of estimated quantity: Mine Plan Map <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: <br />NA <br />feet/second <br />Area: <br />Average Ripping Depth: <br />1.50 <br />mph <br />Average Ripping Width: 7.67 degrees <br />Average Ripping Length: 100.00 feet <br />Average Dozer Speed: 88.00 feet <br />Average Maneuver Time: 0.25 feet <br />Production per unit area: 0.762 acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.762 Acres/hr <br />Site Altitude: 5,320 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: 0.63 Acres/hr <br />Adjusted Hourly Fleet Production: 0.63 Acres/hr <br />JOB TIME AND COST <br /> <br />Fleet size: 1 Grader(s) Total job time: 4.74 Hours <br />Unit cost: $337.692 Per acre Total job cost: $1,013.00 <br />Abbreviation: None <br />Filename: M205-003 <br />CIRCES Cost Estimating Software