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BULLDOZER RIPPING WORK <br /> <br />Task description: Rip Gravel Pad at Rock Dust Facilities Area <br /> <br />Site: Deserado Mine Permit Action: Permit Renewal 06 Permit/Job#: C1981018 <br /> <br />PROJECT IDENTIFICATION <br /> <br /> <br />Task #:011State:ColoradoAbbreviation:None <br /> <br />Date:7/16/2014County:Rio BlancoFilename:011 <br /> <br />User:JRS <br /> <br />: <br />Agency or organization nameDRMS <br /> <br />HOURLY EQUIPMENT COST <br /> <br />Basic Machine: Cat D9T - 9SU Horsepower: 405 <br />Ripper Attachment: 3-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> <br /> <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $81.10 NA <br />Operating Cost/Hour: $143.16 100 <br />Ripper Operating Cost/Hour: $8.91 100 <br />Operator Cost/Hour: $38.01 NA <br /> <br />Total Unit Cost/Hour: $271.17 <br /> <br />Total Fleet Cost/Hour: $1,084.67 <br /> <br />MATERIAL QUANTITIES <br />Selected estimating method: Area <br /> <br /> <br />Alternate Methods: <br /> <br />Seismic: NA Bank Volume: NA BCY NA <br />Area: 1.00 acres Rip Depth (ft): 2.00 Volume: 3,227 BCY or CCY <br /> <br />Source of estimated quantity: Division Estimate <br /> <br />HOURLY PRODUCTION <br /> <br /> <br />Seismic: <br />Seismic Velocity: NA feet/second <br /> <br />Area: <br />Average Ripping Depth: 2.00 mph <br />Average Ripping Width: 7.67 degrees <br />Average Ripping Length: 100.00 feet <br />Average Dozer Speed: 88.00 feet <br />Average Maneuver Time: 0.25 feet <br />Production per unit area: 0.762 acres/hour <br /> <br />Job Condition Correction Factors <br /> <br />Unadjusted Hourly Unit Production: 0.762 Acres/hr <br /> <br />Site Altitude: 5,300 feet <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.83 multiplier <br /> <br />Adjusted Hourly Unit Production: 0.63 Acres/hr <br />Adjusted Hourly Fleet Production: 2.53 Acres/hr <br /> <br />JOB TIME AND COST <br /> <br />Fleet size: 4 Grader(s) Total job time: 0.40Hours <br /> <br /> <br />Unit cost: $428.728 Per acre Total job cost: $429 <br /> <br /> <br />CIRCES Cost Estimating Software <br />