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MOTOR GRADER WORK <br /> Task description: Rough grade Phase 1 topsoil (assume 10% of 110 volume). <br /> Task# 120 <br /> HOURLY EQUIPMENT COST <br /> Basic machine: Cat 12M <br /> Ripper Attachment: 0 <br /> Horsepower: 158 <br /> Shift I/day <br /> Cost Breakdown(per DRMS CIRCES) <br /> Ownership Cost/Hour $47.01 <br /> Operating Cost/Hour $37.67 <br /> Ripper Cost 0 <br /> Operator Cost/Hour $30.30 <br /> Total Fleet Cost/Hour $114.98 <br /> MATERIAL QUANTITIES <br /> Total Area to be graded 12.3 acres (10% of 123.3 acres to 5660' elevation) <br /> HOURLY PRODUCTION <br /> Average grader speed: 1.5 mph <br /> Selected Application: Finish grading (0-2.5 mph) - 1.5 <br /> Selected Blade Angle: 30 degrees <br /> Effective Blade Length: 10.40 feet <br /> Width of blade overlap per pass 2.00 feet <br /> Net grading or ripping width per pass 8.40 feet <br /> Unadjusted Hourly Unit Production: 1.5273 acres/hour <br /> 5 <br />