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Demo Worksheet Cow'd Task # TTT <br />BULLDOZER RIPPING WORK <br />Task description: Scarify subgrade 290,000 ft. of haul road (Table 7) <br />Site: Colowyo Coal Mine Permit Action: PR3 <br />PROJECT IDENTIFICATION <br />Task #: 419 State: Colorado <br />Date: 12/18/2012 County: Moffat <br />9:10:43 AM <br />User: JHB <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D11R - 11SU <br />Ripper Attachment: 3 -Shank Ripper <br />Permit /Job #: C1981019 <br />Abbreviation: None <br />Filename: C019 -419 <br />Horsepower: <br />Shift Basis: <br />Data Source: <br />Utilization % <br />$142.46 NA <br />$280.92 100 <br />$12.89 100 <br />$37.41 NA <br />Ownership Cost /Hour: <br />Operating Cost /Hour: <br />Ripper Operating Cost /Hour: <br />Operator Cost /Hour: <br />Total Unit Cost /Hour: <br />$473.68 <br />Total Fleet Cost /Hour: <br />$1,894.73 <br />MATERIAL QUANTITIES <br />Selected estimating method: Area <br />Alternate Methods: <br />850 <br />1 per day <br />Seismic: NA Bank Volume: NA BCY <br />Area: 645.80 acres Rip Depth (ft): 1.50 Volume: 1,562,836 <br />Source of estimated quantity: Table 7 Exh. 13B -T -20 <br />HOURLY PRODUCTION <br />Area: <br />Seismic Velocity <br />Average Ripping Depth <br />Average Ripping Width <br />Average Ripping Length <br />Average Dozer Speed <br />Average Maneuver Time <br />Production per unit area <br />Im <br />3.51 <br />9.83 <br />300.00 <br />88.00 <br />0.25 <br />1.110 <br />feet /second <br />mph <br />degrees <br />feet <br />feet <br />feet <br />acres /hour <br />(CRG) <br />NA <br />Page 44 of 113 <br />BCY or CCY <br />CIRCES Cost Estimating Soffivare <br />