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<br />Mine Area Seneca II <br />Project Facilities - Haul Roads <br />Task Grading to Blend/Drain <br />YORKSHEEi N0. HR-3 <br />PRODUCTIVITY FOR DOZER USE - GRADING <br />Dozing Activity: Grading the cut and fill to blend into the surrounding topography <br />[o drain, and burial of the road surface material <br />Dozer Used: D-11N, V blade <br />Description of Dozing: 200' wide x 33,200' long = 152 ac. <br />Productivity Calculations: <br />Operator: 75 <br />Grade: see EMF <br />Material Factor: see EMF <br />Push Distance: see EMF <br />Dozing Factor: see EMF <br />Visibility: 90 <br />Altitude: 91 <br />Dual Till: 100 <br />Spoil Pile Factor: see EMF <br />Minutes Worked per Hour: 50 <br />Bank Material Density: see EMF <br />Loose Material Density: see EMF <br />Direct Drive Trans: 100 <br />Total Adj. Factor: 0.3380 <br />Hourly Production = 2 mi/hr x 19 ft x 5280 ft/mi x 1 ac/43560 ft2 = 4 ac/hr <br />speed eff.blade <br />width <br />Net Hourly Production = 4 ac hr x 0.3380 = 1.35 ac/hr Hours = 152 ac/1.35 ac/yr = <br />hrly prod. op. adj. factor 113 hrs. <br />Cost per xour = E236.22 <br />Total Cost = 113 hrs. x E236.22 cost/hr = f26.693 <br />REFERENCES: <br />Table 13-2-5 <br />Attachment 13-2 <br />1 ' <br />