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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK Task description: Rip 12.5 ac LTS parcel 33 Site: Keenesburg Strip Mine Permit Action: SL9 Permit/Job#: C1981028 <br />PROJECT IDENTIFICATION Task #: R01 State: Colorado Abbreviation: None <br />Date: 8/16/2018 County: Weld Filename: C028-R01 <br />User: RAR Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST Basic Machine: Cat D11T - 11U Horsepower: 850 <br />Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $242.84 NA <br />Operating Cost/Hour: $200.83 100 <br />Ripper Ownership Cost/Hour: $21.68 NA <br />Ripper Operating Cost/Hour: $11.77 100 <br />Operator Cost/Hour: $40.23 NA <br />Total Unit Cost/Hour: $517.35 Total Fleet Cost/Hour: $517.35 <br />MATERIAL QUANTITIES Alternate Methods: Seismic: NA Bank Volume: NA BCY NA <br />Area: 12.50 acres Rip Depth (ft): 1.50 Volume: 30,250 BCY or CCY Source of estimated quantity: SL9 application <br />HOURLY PRODUCTION Seismic: <br />Seismic Velocity: NA feet/second Area: <br />Average Ripping Depth: 3.51 mph <br />Average Ripping Width: 9.83 degrees <br />Average Ripping Length: 200.00 feet <br />Average Dozer Speed: 88.00 feet <br />Average Maneuver Time: 0.25 feet <br />Production per unit area: 1.073 acres/hour Job Condition Correction Factors Unadjusted Hourly Unit Production: 1.073 Acres/hr Site Altitude: 4,000 feet <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.83 multiplier Adjusted Hourly Unit Production: 0.89 Acres/hr <br />Adjusted Hourly Fleet Production: 0.89 Acres/hr <br />JOB TIME AND COST Fleet size: 1 Grader(s) Total job time: 14.03 Hours <br /> <br />Selected estimating method: Area