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BULLDOZER RIPPING WORK <br /> Task description: Rip West Haul Road <br /> Site: New Horizon North Mine Permit Action: RN2 Permit/Job#: C2010089 <br /> PROJECT IDENTIFICATION <br /> Task#: 011 State: Colorado Abbreviation: None <br /> Date: 2/15/2022 County: Montrose Filename: 011-RN2 <br /> User: JHB <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat DI IT- 11U Horsepower: 850 <br /> Ripper Attachment: 1-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $274.04 NA <br /> Operating Cost/Hour: $273.21 100 <br /> Ripper Ownership Cost/Hour: $37.99 NA <br /> Ripper Operating Cost/Hour: $18.69 100 <br /> Operator Cost/Hour: $41.30 NA <br /> Total Unit Cost/Hour: $645.23 <br /> Total Fleet Cost/Hour: $645.23 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 0.25 acres Rip Depth(ft): 3.00 Volume: 1,210 BCY or CCY <br /> Source of estimated quantity: Map 2.05.3(3)-3 <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: 5.29 feet/pass <br /> Average Ripping Width: 7.94 feet/pass <br /> Average Ripping Length: 200.00 feet/pass <br /> Average Dozer Speed: 88.00 feet/minute <br /> Average Maneuver Time: 0.25 minutes/pass <br /> Production per unit area: 0.867 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.867 Acres/hr <br /> Site Altitude: 5,000 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: 0.72 Acres/hr <br /> Adjusted Hourly Fleet Production: 0.72 Acres/hr <br /> JOB TIME AND COST <br /> Fleet size: 1 Grader(s) Total job time: 0.35 Hours <br /> Unit cost: $896.588 Per acre Total job cost: $224 <br />