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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task description: Rip compacted access roads and stockpile areas <br />Site: Martin Pit 1-A Permit Action: CN-1 AM Permit/Job#: M1990140 <br />PROJECT IDENTIFICATION <br />Task #: 03A State: Colorado Abbreviation: None <br />Date: 4/28/2017 County: Moffat Filename: M140-03a <br />User: ACY <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D8T - 8SU Horsepower: 310 <br />Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $83.81 NA <br />Operating Cost/Hour: $66.17 100 <br />Ripper Ownership Cost/Hour: $7.55 NA <br />Ripper Operating Cost/Hour: $7.21 100 <br />Operator Cost/Hour: $41.85 NA <br />Total Unit Cost/Hour: $206.59 <br />Total Fleet Cost/Hour: $206.59 <br />MATERIAL QUANTITIES <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 2.00 acres Rip Depth (ft): 2.00 Volume: 6,453 BCY or CCY <br />Source of estimated quantity: Site maps/onsite observations <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: NA feet/second <br />Area: <br />Average Ripping Depth: 2.56 mph <br />Average Ripping Width: 7.08 degrees <br />Average Ripping Length: 50.00 feet <br />Average Dozer Speed: 88.00 feet <br />Average Maneuver Time: 0.25 feet <br />Production per unit area: 0.596 acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 0.596 Acres/hr <br />Site Altitude: 6,500 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: 0.49 Acres/hr <br />Adjusted Hourly Fleet Production: 0.49 Acres/hr <br />JOB TIME AND COST <br />Fleet size: 1 Grader(s) Total job time: 4.04 Hours <br /> <br />Unit cost: <br /> <br />$417.652 <br /> <br />Per acre <br /> <br />Total job cost: <br /> <br />$835 <br /> <br />Selected estimating method: Area