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Task description: <br />Site: Elk Creek Mine <br />BULLDOZER RIPPING WORK <br />Cover Material for East Refuse Pile <br />Permit Action: MT-06 - Compaction <br />and Ripping Tasks <br />PROJECT IDENTIFICATIOI\ <br />Task #: 033 <br />Date: 14-Apr-11 <br />User: JRS <br />State: Colorado <br />County: Delta <br />Permit/Job#: C1981022 <br />Abbreviation: None <br />Filename: C022-033 <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D10R - IOSU (2005) <br />Ripper Attachment: 1-Shank Ripper <br />Cost Breakdown: <br />Horsepower: 570 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br /> Utilization % <br />Ownership Cost/Hour: $80.89 NA <br />Operating Cost/Hour: $147.96 100 <br />Ripper Operating Cost/Hour: $11.24 100 <br />Operator Cost/Hour: $38.49 NA <br />Total Unit Cost/Hour: $278.58 <br />Total Fleet Cost/Hour: $835.74 <br />MATERIAL QUANTITIES Selected estimating method: Seismic <br />Alternate Methods: <br />Seismic: 14,100 BCY Bank Volume: 14,100 BCY Midrange <br />Area: NA acres Rip Depth (ft): NA Volume: NA BCY or CCY <br />Source of estimated quantity: Division Estimate <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: 4,000 feet/second <br />Area: <br />Average Ripping Depth: NA mph <br />Average Ripping Width: NA degrees <br />Average Ripping Length: NA feet <br />Average Dozer Speed: NA feet <br />Average Maneuver Time: NA feet <br />Production per unit area: NA acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: 1,777.80 Cu. yds./hr <br />Site Altitude: 6,200 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: 1,475.57 Cu. yds./hr <br />Adjusted Hourly Fleet Production: 4,426.72 Cu. yds./hr <br />JOB TIME AND COST <br />Fleet size: 3 Grader(s) Total job time: 3.19 <br />Unit cost: $0.189 <br />Per cu. yd. Total job cost: $2,662.00 <br />Hours <br />C[RCES Cost Estimating Software