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Page 76 of 116 <br />BULLDOZER RIPPING WORK <br />Task description: King II - Rip coal sales area <br />Site: King Coal Mine Pennit Action: P ermit Renewal 6 <br />PROJECT IDENTIFICATION <br />Task #: 301 State: Colorado <br />Date: 4/23/2012 County: La Plata <br />User: SLB <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D8T - 8SU <br />Ripper Attachment: 3 -Shank Ripper <br />Cost Brealcdown <br />Horsepower: 310 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Alternate Methods <br />Seismic: NA Bank Volume <br />Area: 0.80 acres Rip Depth (ft) <br />Source of estimated quantity: Mar <br />HOURLY PRODUCTION <br />NA <br />2.00 <br />u2 II -007 <br />BCY NA <br />Volume: 2,581 BCY or CCY <br />Seismic Velocity: <br />NA <br />feet /second <br />Utilization % <br />Ownership Cost/Hour: <br />$65.28 <br />Average Ripping Depth: <br />NA <br />Operating Cost/Hour: <br />$102.81 <br />7.08 <br />100 <br />Ripper Operating Cost/Hour: <br />$6.49 <br />feet <br />100 <br />Operator Cost/Hour: <br />$38.49 <br />Average Maneuver Time: <br />NA <br />Total Unit Cost/Hour: <br />$213.07 <br />0.596 <br />Total Fleet Cost/Hour: <br />$213.07 <br />MATERIAL QUANTITIES <br />Selected estimating method: Area <br />Alternate Methods <br />Seismic: NA Bank Volume <br />Area: 0.80 acres Rip Depth (ft) <br />Source of estimated quantity: Mar <br />HOURLY PRODUCTION <br />NA <br />2.00 <br />u2 II -007 <br />BCY NA <br />Volume: 2,581 BCY or CCY <br />Seismic Velocity: <br />NA <br />feet /second <br />Area: <br />Average Ripping Depth: <br />1.00 <br />mph <br />Average Ripping Width: <br />7.08 <br />degrees <br />Average Ripping Length: <br />50.00 <br />feet <br />Average Dozer Speed: <br />88.00 <br />feet <br />Average Maneuver Time: <br />0.25 <br />feet <br />Production per unit area: <br />0.596 <br />acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: <br />0.596 <br />Acres/hr <br />Site Altitude: <br />7,400 <br />feet <br />Altitude Adj : <br />1.00 <br />(CAT HB) <br />Job Efficiency: <br />0.83 <br />(1 shift /day) <br />Net Correction: <br />0.83 <br />multiplier <br />Adjusted Hourly Unit Production: <br />0.49 <br />Acres/hr <br />Adjusted Hourly Fleet Production: <br />0.49 <br />Acres/hr <br />JOB TIME AND COST <br />Fleet size: 1 Grader(s) <br />Total job time: <br />1.62 <br />Hours <br />Pennit /Job #: C1981035 <br />Abbreviation: None <br />Filename: CO35 -301 <br />CIRCES Cost Estimating Software <br />