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L , <br />Truck Cycle Time <br />Exchange = 0.60 min. <br />• Load = y1Y530 min. <br />Maneuver & dump = 1.00 min. <br />Travel Time (haul & return): <br />Sheet 3 of 3 <br />Adj. for altitude = 0.60 min. <br />" = 1.53 min. <br />" = 1.00' min. <br />Road cond. descr.:Rutted dirt road, little/no maint., 1-2" tire penetration <br />Haul route <br />Road Length Grade Rolling Total Velocity Travel time* <br />seg. # (ft) res.(%) res.(%) res.(%) (fpm) (min) <br />1 2400 0.00 5.00 5.00 1695 1.56 <br />Haul time = 1.56 min. <br />Return route ------ <br />1 2400 0.00 5.00 5.00 3200 0.97 <br />• <br />*lst & last seg. adj. for accel./decel. Return time = 0.97 min. <br />Total Truck Cycle Time = 5.66 min. <br />Loader Unit Prod.= 239.44 LCY/Hr -Adj. for efficiency= 198.73 LCY/Hr <br />Truck Unit Prod.= 90.03 LCY/Hr -Adj. for efficiency= 74.73 LCY/Hr <br />Optimal number of trucks per loading unit 3 <br />Selected number of trucks per loading unit: 3 <br />Hourly truck team production 224.18 LCY/Hr <br />Net Hourly Truck/Loader Team Production 198.73 LCY/Hr <br />Net Hourly Multiple T/L Team Production 198.73 LCY/Hr <br />B COST: <br />Fleet size : 1 T/L Team(s) <br />Unit Cost $0.981 /LCY <br />Total Job Time <br />Total Job Cost <br />9.32 Hours <br />$1,816 <br />