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BULLDOZER RIPPING WORK <br /> Task description: Rip Stockpile Area,4.4 acres,500 ft length <br /> Site: Buffalo No 1 Permit Action: TR-01 2014(3) Permit/Job#: M1978011 <br /> PROJECT IDENTIFICATION <br /> Task#: 004 State: Colorado Abbreviation: None <br /> Date: 12/30/2014 County: Elbert Filename: M011-004 <br /> User: AME <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D7R DS XR Series II Horsepower: 238 <br /> Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $46.88 NA <br /> Operating Cost/Hour: $79.23 100 <br /> Ripper Operating Cost/Hour: $0.00 100 <br /> Operator Cost/Hour: $38.01 NA <br /> Total Unit Cost/Hour: $164.12 <br /> Total Fleet Cost/Hour: $164.12 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 4.40 acres Rip Depth(ft): 1.00 Volume: 7,099 BCY or CCY <br /> Source of estimated quantity: DRMS <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: 2.45 mph <br /> Average Ripping Width: 6.50 degrees <br /> Average Ripping Length: 500.00 feet <br /> Average Dozer Speed: 88.00 feet <br /> Average Maneuver Time: 0.25 feet <br /> Production per unit area: 0.755 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.755 Acres/hr <br /> Site Altitude: 5,900 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 /> Fleet size: 1 Grader(s) Total job time: 7.02 Hours <br /> Unit cost: $262.014 Per acre Total job cost: $1,153 <br /> CIRCES Cost Estimating Software <br />