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Page 79 of 264 <br /> BULLDOZER RIPPING WORK <br /> Task description: Rip D Pit Haul Roads(D1,D3,D4,D5 and D main) <br /> Site: Trapper Mine Permit Action: RN8 Permit/Job#: C1981010 <br /> PROJECT IDENTIFICATION <br /> Task#: 064 State: Colorado Abbreviation: None <br /> Date: 7/6/2022 County: Moffat Filename: CO10-064 <br /> User: RAR <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D10T- lOSU Horsepower: 574 <br /> Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $153.67 NA <br /> Operating Cost/Hour: $166.94 100 <br /> Ripper Ownership Cost/Hour: $22.74 NA <br /> Ripper Operating Cost/Hour: $11.11 100 <br /> Operator Cost/Hour: $41.30 NA <br /> Total Unit Cost/Hour: $395.76 <br /> Total Fleet Cost/Hour: $1,583.05 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 28.10 acres Rip Depth(ft): 2.50 Volume: 113,337 BCY or CCY <br /> Source of estimated quantity: Appendix A Table 1.4-5 <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: 2.50 feet/pass <br /> Average Ripping Width: 8.67 feet/pass <br /> Average Ripping Length: 500.00 feet/pass <br /> Average Dozer Speed: 88.00 feet/minute <br /> Average Maneuver Time: 0.25 minutes/pass <br /> Production per unit area: 1.007 acres/hour <br /> Trapper RN8 2022 December <br />