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BULL13ULLR RIPPING WORK <br /> Task description: Rip 4.98 acre staging area and roads <br /> Site: Blue Streak Mine Permit Action: 2023-03-16 Review Permit/Job#: P2007057 <br /> PROJECT IDENTIFICATION <br /> Task#: 03A State: Colorado Abbreviation: None <br /> Date: 3/16/2023 County: Montrose Filename: 03a <br /> User: DMC <br /> Agency or organization name: DBMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D7R DS Series II LGP Horsepower: 240 <br /> Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: S92.78 NA <br /> Operating Cost/Hour: $79.33 100 <br /> Ripper Ownership Cost/Hour: $8.37 NA <br /> Ripper Operating Cost/Hour: $4.99 100 <br /> Operator Cost/Hour: $41.30 NA <br /> Total Unit Cost/Hour: $226.77 <br /> Total Fleet Cost/Hour: $226.77 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 4.98 acres Rip Depth(ft): 2.00 Volume: 16,069 BCY or CCY <br /> Source of estimated quantity: DRMS <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: 2.45 feet/pass <br /> Average Ripping Width: 6.50 feet/pass <br /> Average Ripping Length: 100.00 feet/pass <br /> Average Dozer Speed: 88.00 feet/minute <br /> Average Maneuver Time; 0.25 minutes/pass <br /> Production per unit area: 0.646 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.646 Acres/hr <br /> Site Altitude: 6,300 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: 0.54 Acres/hr <br /> Adjusted Hourly Fleet Production: 0.54 Acres/hr <br /> JOB TIME AND COST <br /> Fleet size: 1 Grader(s) Total job time: 9.29 Hours <br /> Unit cost: $423.066 Per acre Total job cost: $2,107 <br />