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BULLDOZER RIPPING WORK <br /> Task description: Rip Processing Area <br /> Permit Action: 2014 SO-01 Cost <br /> Site: McCormick Pit Estimate Permit/Job#: M2001052 <br /> PROJECT IDENTIFICATION <br /> Task#: 004 State: Colorado Abbreviation: None <br /> Date: 8/8/2014 County: Kit Carson Filename: M052-004 <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: $69.05 NA <br /> Operating Cost/Hour: $108.22 100 <br /> Ripper Operating Cost/Hour: $7.46 100 <br /> Operator Cost/Hour: $38.01 NA <br /> Total Unit Cost/Hour: $222.73 <br /> Total Fleet Cost/Hour: $222.73 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 4.44 acres Rip Depth(ft): 1.50 Volume: 10,745 BCY or CCY <br /> Source of estimated quantity: DRMS-Observed <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: 400.00 feet <br /> Average Dozer Speed: 88.00 feet <br /> Average Maneuver Time: 0.25 feet <br /> Production per unit area: 0.813 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.813 Acres/hr <br /> Site Altitude: 4,440 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: 0.68 Acres/hr <br /> Adjusted Hourly Fleet Production: 0.68 Acres/hr <br /> JOB TIME AND COST <br /> Fleet size: 1 Grader(s) Total job time: 6.58 Hours <br /> Unit cost: $329.894 Per acre Total job cost: $1,465 <br /> CIRCES Cost Estimating Software <br />