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BULLDOZER RIPPING WORK <br /> Task description: Rip compacted Pit Floor <br /> Permit Action: 2014 Inspection- <br /> Site: Montoya Pit _ BLM Permit/Job#: M1980146 <br /> PROJECT IDENTIFICATION <br /> Task#: 003 State: Colorado Abbreviation: None <br /> Date: 7/1/2014 _ County: La Plata Filename: M146-003 <br /> User: KAP <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat DI OT- IOSU Horsepower: 574 <br /> Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day _ <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $131.86 NA <br /> Operating Cost/Hour: $184.48 100 <br /> Ripper Operating Cost/Hour: $11.02 100 <br /> Operator Cost/Hour: $38.01 NA <br /> Total Unit Cost/Hour: $365.36 <br /> Total Fleet Cost/Hour: $365.36 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 42.00 acres Rip Depth(ft): 1.00 Volume: 67,760 BCY or CCY <br /> Source of estimated quantity: Inspection <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: _ 2.87 mph <br /> Average Ripping Width: 8.67 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: 0.996 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.996 Acres/hr <br /> Site Altitude: 6,700 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: 0.83 Acres/hr <br /> Adjusted Hourly Fleet Production: 0.83 Acres/hr <br /> JOB TIME AND COST <br /> Fleet size: 1 Grader(s) Total job time: 50.80 Hours <br /> Unit cost: $441.906 Per acre Total job cost: $18,560 <br /> CIRCES Cost Estimating Software <br />