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I January 15, 1996 <br />Dozing <br />Estimate Track-type Tractor Productivity <br />Page 2 <br />del D10N Ident [PUSH COAL ] Hourly O&O [ 196.29] <br />Blade Type ( UNIV.] Dual Tilt [ 100] <br />Dozing Distance (feet) [ 400] Spoil Pile Factor ( 100] <br />Operator [ 75] Minutes Worked per Hour [ 45] <br />Grade [ 0] Bank Material Density [ 2,157] <br />Material Factor [ 75] Loose Material Density [ 1,601] <br />Dozing Factor [ 100] Coefficient of Traction [ 60] <br />Visibility [ 100] Direct Drive Transmission [ 100] <br />Altitude [ 100] Bank cu yds to Move [ 22,000] <br />Theoretical Production"Under Ideal Conditions (Loose cu yd/h) 502 <br />Total Adjustment Factor 0.6085 <br />Adjusted Hourly Production Estimate (Bank cu yd/h) 227 <br />Adjusted Hourly Production Estimate (Loose cu yd/h) 306 <br />Operating Hours to Complete Job 96 <br />Equipment Expense to Move Required Volume $ 18,843 <br />Equipment Expense per Bank Cubic Yard $ 0.8565 <br />L_.J <br /> <br />23-3 -31 REVISED 01/30/96 <br />