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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task description: Rip compacted areas <br />Site: Cerise Mine Permit Action: TR2 Permit/Job#: M2010058 <br />PROJECT IDENTIFICATION <br />Task #: 03A State: Colorado Abbreviation: None <br />Date: 9/27/2021 County: Garfield Filename: M058-03a <br />User: ACY <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9T - 9SU Horsepower: 405 <br />Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $126.01 NA <br />Operating Cost/Hour: $141.41 100 <br />Ripper Ownership Cost/Hour: $19.26 NA <br />Ripper Operating Cost/Hour: $11.48 100 <br />Operator Cost/Hour: $41.30 NA <br />Total Unit Cost/Hour: $339.46 <br />Total Fleet Cost/Hour: $678.92 <br />MATERIAL QUANTITIES <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 8.80 acres Rip Depth (ft): 1.00 Volume: 14,197 BCY or CCY <br />Source of estimated quantity: TR-2 Table L-1 <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: NA feet/second <br />Area: <br />Average Ripping Depth: 2.63 feet/pass <br />Average Ripping Width: 7.67 feet/pass <br />Average Ripping Length: 100.00 feet/pass <br />Average Dozer Speed: 88.00 feet/minute <br />Average Maneuver Time: 0.25 minutes/pass <br />Production per unit area: 0.762 acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.762 Acres/hr <br />Site Altitude: 6,300 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: 0.63 Acres/hr <br />Adjusted Hourly Fleet Production: 1.26 Acres/hr <br />JOB TIME AND COST <br />Fleet size: 2 Grader(s) Total job time: 6.96 Hours <br /> <br />Unit cost: <br /> <br />$536.697 <br /> <br />Per acre <br /> <br />Total job cost: <br /> <br />$4,723 <br /> <br />Selected estimating method: Area