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BULLDOZER RIPPING WORK <br /> Task description: Rip Haul Roads <br /> Site: Big"G"Gravel Pit Permit Action: ANM 23 Inspection Permit/Job#: M2006081 <br /> PROJECT IDENTIFICATION <br /> Task#: 004 State: Colorado Abbreviation: None <br /> Date: 3/10/2023 County: Pueblo Filename: M081-004 <br /> User: ANM <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8T-8SU Horsepower: 310 <br /> Ripper Attachment: 1-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $124.85 NA <br /> Operating Cost/Hour: $97.63 100 <br /> Ripper Ownership Cost/Hour: $16.38 NA <br /> Ripper Operating Cost/Hour: $8.60 100 <br /> Operator Cost/Hour: $40.04 NA <br /> Total Unit Cost/Hour: $287.50 <br /> Total Fleet Cost/Hour: $287.50 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 2.16 acres Rip Depth(ft): 1.00 Volume: 3,485 BCY or CCY <br /> Source of estimated quantity: DRMS: 6,275' x 15' <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: 3.71 feet/pass <br /> Average Ripping Width: 5.56 feet/pass <br /> Average Ripping Length: 250.00 feet/pass <br /> Average Dozer Speed: 88.00 feet/minute <br /> Average Maneuver Time: 0.25 minutes/pass <br /> Production per unit area: 0.619 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.619 Acres/hr <br /> Site Altitude: 4,450 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: 0.51 Acres/hr <br /> Adjusted Hourly Fleet Production: 0.51 Acres/hr <br /> JOB TIME AND COST <br /> Fleet size: 1 Gmder(s) Total job time: 4.20 Hours <br /> Unit cost: $559.201 Per acre Total job cost: $1,208 <br />