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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task description: AGVLF - Topsoil - Ripping <br />Site: Cresson Project Permit Action: AM14 Permit/Job#: M1980244 <br />PROJECT IDENTIFICATION <br />Task #: A1006 State: Colorado Abbreviation: None <br />Date: 10/1/2025 County: Teller Filename: AM14 - A1006 <br />User: ERR <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D7R DS Series II LGP Horsepower: 240 <br />Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $97.39 NA <br />Operating Cost/Hour: $80.69 100 <br />Ripper Ownership Cost/Hour: $9.58 NA <br />Ripper Operating Cost/Hour: $5.66 100 <br />Operator Cost/Hour: $38.02 NA <br />Total Unit Cost/Hour: $231.34 <br />Total Fleet Cost/Hour: $231.34 <br />MATERIAL QUANTITIES <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 34.93 acres Rip Depth (ft): 2.50 Volume: 140,884 BCY or CCY <br />Source of estimated quantity: AM14 <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: NA feet/second <br />Area: <br />Average Ripping Depth: 2.45 feet/pass <br />Average Ripping Width: 6.50 feet/pass <br />Average Ripping Length: 350.00 feet/pass <br />Average Dozer Speed: 88.00 feet/minute <br />Average Maneuver Time: 0.25 minutes/pass <br />Production per unit area: 0.741 acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.741 Acres/hr <br />Site Altitude: 9,500 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: 0.62 Acres/hr <br />Adjusted Hourly Fleet Production: 0.62 Acres/hr <br />JOB TIME AND COST <br />Fleet size: 1 Grader(s) Total job time: 56.77 Hours <br /> <br />Unit cost: <br /> <br />$376.000 <br /> <br />Per acre <br /> <br />Total job cost: <br /> <br />$13,134 <br /> <br />Selected estimating method: Area