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October 28, 1997 Page 2 <br />ing Estimate Track-type Tractor Productivity <br />..,del D10N Ident [west pit ) Hourly O&O [ 170.82] <br />Blade Type [ SU] Dual Tilt [ 100] <br />Dozing Distance (feet) [ 300) Spoil Pile Factor [ 100) <br />Operator [ 80] Minutes Worked per Hour [ 50] <br />Grade [ -15) Bank Material Density [ 3,250] <br />Material Factor [ 100] Loose Material Density [ 2,600] <br />Dozing Factor [ 120) Coefficient of Traction [ 100) <br />Visibility [ 90] Direct Drive Transmission [ 100) <br />Altitude [ 100] Bank cu yds to Move [ 3,613,766] <br />Theoretical Production Und er Ideal Conditions (Loose cu yd/h) 634 <br />Total Adjustment Factor 0.8482 <br />Adjusted Hourly Production Estimate (Bank cu yd/h) 430 <br />Adjusted Hourly Production Estimate (Loose cu yd/h) 538 <br />Operating Hours to Complet e Job 8,395 <br />Equipment Expense to Move Required Volume $ 1,434,033 <br />Equipment Expense per Bank Cubic Yard $ 0.3968 <br />• <br />• <br />B-2 <br />