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Demo Worksheet Cont'd Task # TTT <br />Page 85 of 143 <br />MATERIAL QUANTITIES Selected estimating method: Area <br />Alternate Methods: <br />Seismic: NA Bank Volume: <br />NA <br />BCY NA <br />Area: 0.80 acres Rip Depth (ft): <br />2.00 <br />Volume: 2,581 BCY or CCY <br />Source of estimated quantity: Map King II -007 <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity: <br />NA <br />feet/second <br />Area: <br />Average Ripping Depth: <br />1.00 <br />mph <br />Average Ripping Width: <br />7.08 <br />degrees <br />Average Ripping Length: <br />50.00 <br />feet <br />Average Dozer Speed: <br />88.00 <br />feet <br />Average Maneuver Time: <br />0.25 <br />feet <br />Production per unit area: <br />0.596 <br />acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: <br />0.596 <br />Acres/hr <br />Site Altitude: <br />7,400 <br />feet <br />Altitude Adj: <br />1.00 <br />(CAT HB) <br />Job Efficiency: <br />0.83 <br />(1 shift/day) <br />Net Correction: <br />0.83 <br />multiplier <br />Adjusted Hourly Unit Production: <br />0.49 <br />Acres/hr <br />Adjusted Hourly Fleet Production: <br />0.49 <br />Acres/hr <br />JOB TIME AND COST <br />Fleet size: 1 Grader(s) <br />Total job time: <br />1.62 Hours <br />Unit cost: $417.652 Per acre <br />Total job cost: <br />$334 <br />CIRCES Cost Estimating Software <br />