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BULLDOZER RIPPING WORK <br /> Task description: Rip pit floor and staging area <br /> Site: Cotton Creek Pit Permit Action: 2016-10 Permit/Job#: M2013054 <br /> PROJECT IDENTIFICATION <br /> Task#: 04A State: Colorado Abbreviation: None <br /> Date: 10/12/2016 County: Saguache Filename: M054-04a <br /> User: ACY <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8T-8SU Horsepower: 310 <br /> Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $82.01 NA <br /> Operating Cost/Hour: $79.23 100 <br /> Ripper Ownership Cost/Hour: $8.40 NA <br /> Ripper Operating Cost/Hour: $5.62 100 <br /> Operator Cost/Hour: $38.89 NA <br /> Total Unit Cost/Hour: $214.15 <br /> Total Fleet Cost/Hour: $214.15 <br /> MATERIAL QUANTITIES Selected estimating method: Area <br /> Alternate Methods: <br /> Seismic: NA Bank Volume: NA BCY NA <br /> Area: 3.00 acres Rip Depth(ft): 1.00 Volume: 4,840 BCY or CCY <br /> Source of estimated quantity: Application <br /> HOURLY PRODUCTION <br /> Seismic: <br /> Seismic Velocity: NA feet/second <br /> Area: <br /> Average Ripping Depth: 2.56 mph <br /> Average Ripping Width: 7.08 degrees <br /> Average Ripping Length: 300.00 feet <br /> Average Dozer Speed: 88.00 feet <br /> Average Maneuver Time: 0.25 feet <br /> Production per unit area: 0.800 acres/hour <br /> Job Condition Correction Factors <br /> Unadjusted Hourly Unit Production: 0.800 Acres/hr <br /> Site Altitude: 7,800 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: 0.66 Acres/hr <br /> Adjusted Hourly Fleet Production: 0.66 Acres/hr <br /> JOB TIME AND COST <br /> Fleet size: 1 Grader(s) Total job time: 4.52 Hours <br /> Unit cost: $322.697 Per acre Total job cost: $968 <br /> CIRCES Cost Estimating Software <br />