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BULLDOZER RIPPING WORK <br /> Task description: Rip the Buffer Area <br /> Site: MMM Partnership Gravel Pit Permit Action: CN01 Permit/Job#: M2006042 <br /> PROJECT IDENTIFICATION <br /> Task#: 003 State: Colorado Abbreviation: None <br /> Date: 4/21/2014 County: Logan Filename: M042-003 <br /> User: ERR <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8T-8SU Horsepower: 310 <br /> Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $63.00 NA <br /> Operating Cost/Hour: $104.03 100 <br /> Ripper Operating Cost/Hour: $6.53 100 <br /> Operator Cost/Hour: $37.41 NA <br /> Total Unit Cost/Hour: $210.98 <br /> Total Fleet Cost/Hour: $210.98 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 6.40 acres Rip Depth(ft): 0.50 Volume: 5,163 BCY or CCY <br /> Source of estimated quantity: Appl. <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: 2.56 mph <br /> Average Ripping Width: 7.08 degrees <br /> Average Ripping Length: 45.00 feet <br /> Average Dozer Speed: 88.00 feet <br /> Average Maneuver Time: 0.25 feet <br /> Production per unit area: 0.576 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.576 Acres/hr <br /> Site Altitude: 4,180 feet <br /> Altitude Adj: 1.00 (CAT HB) <br /> Job Efficiency: 0.83 (l,shift/day) <br /> Net Correction: 0.83 multiplier <br /> Adjusted Hourly Unit Production: 0.48 Acres/hr <br /> Adjusted Hourly Fleet Production: 0.48 Acres/hr <br /> JOB TIME AND COST <br /> Fleet size: 1 Grader(s) Total job time: 13.38 Hours <br /> Unit cost: $441.008 Per acre Total job cost: $2,822.00 <br /> CIRCES Cost Estimating Software <br />