2023-08-12_INSPECTION - M2009077

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BULLDOZER RIPPING WORK Task description: Rip compacted areas-8.5 acres Site: Dill Pit Permit Action: 2023 Calculation Permit/Job#: M2009077 PROJECT IDENTIFICATION Task#: 003 State: Colorado Abbreviation: None Date: 8/7/2023 County: Elbert Filename: M077-003 User: JR2 Agency or organization name: DRMS HOURLY EQUIPMENT COST Basic Machine: Cat D8T-8SU Horsepower: 310 Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day Data Source: (CRG) Cost Breakdown: Utilization% Ownership Cost/Hour: $241.38 NA Operating Cost/Hour: $143.92 100 Ripper Ownership Cost/Hour: $14.11 NA Ripper Operating Cost/Hour: $7.45 100 Operator Cost/Hour: $41.30 NA Total Unit Cost/Hour: $448.16 Total Fleet Cost/Hour: $448.16 MATERIAL QUANTITIES Selected estimating method: Area Alternate Methods: Seismic: NA Bank Volume: NA BCY NA Area: 8.50 acres Rip Depth(ft): 1.50 Volume: 20,570 BCY or CCY Source of estimated quantity: Pit floor and internal haul roads HOURLY PRODUCTION Seismic: Seismic Velocity: NA feet/second Area: Average Ripping Depth: 2.56 feet/pass Average Ripping Width: 7.08 feet/pass Average Ripping Length: 200.00 feet/pass Average Dozer Speed: 88.00 feet/minute Average Maneuver Time: 0.25 minutes/pass Production per unit area: 0.773 acres/hour Job Condition Correction Factors Unadjusted Hourly Unit Production: 0.773 Acres/hr Site Altitude: 5,700 feet Altitude Adj: 1.00 (CAT HB) Job Efficiency: 0.83 (1 shift/day) Net Correction: 0.83 multiplier Adjusted Hourly Unit Production: 0.64 Acres/hr Adjusted Hourly Fleet Production: 0.64 Acres/hr JOB TIME AND COST Fleet size: 1 Grader(s) Total job time: 13.25 Hours Unit cost: $698.391 Per acre Total job cost: $5,936 CIRCES Cost Estimating Software