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WT-u1/ <br /> Truck Cycle Time Sheet 3 of 3 <br /> Exchange = 0.70 min. Adj. for altitude = 0.70 min. <br /> Load = 1."0 min. is IN IN = 1.55 min. <br /> Maneuver & dump = 1.20 min. " " " = 1.20 min. <br /> Travel Time (haul & return): <br /> Road cond. descr.:Firm, smooth, rolling dirt/Lt. surfaced road, maintained <br /> Haul route <br /> Road Length Grade Rolling Total Velocity Travel time* <br /> seg. # (ft) res.(%) res.(%) res.(%) (fpm) (min) <br /> 1 8700 -6.00 3.00 -3.00 3360 2.75 <br /> 2 8000 6.00 3.00 9.00 949 8.43 <br /> 3 6600 6.00 3.00 9.00 949 6.97 <br /> __.._..______w___..__.,_______.._____..______ <br /> Haul time = 18.15 min. <br /> Return route ------ <br /> 1 6600 -6.00 3.00 -3.00 3520 2.00 <br /> 2 8000 -6.00 3.00 -3.00 3520 2.27 <br /> 3 8700 6.00 3.00 9.00 2200 4.16 <br /> *1st & last seg. adj. for accel./decel. Return time = 8.43 min. <br /> Total Truck Cycle Time = 30.03 min. <br /> Loader Unit Prod.= 408.29 LCY/Hr - Adj. for efficiency-- 338.88 LCY/Hr <br /> Truck Unit Prod.= 30.57 LCY/Hr - Adj. for efficiency-- 25.37 LCY/Hr <br /> -------- ------__ <br /> Optimal number of trucks per loading unit 13 <br /> Selected number of trucks per loading unit: 4 <br /> Hourly truck team production 101.49 LCY/Hr <br /> Net Hourly Truck/Loader Team Production 101.49 LCY/Hr <br /> Net Hourly Multiple T/L Team Production 101.49 LCY/Hr <br /> JOB COST: <br /> Fleet size : 1 TA Team(s) Total Job Time: 47.16 Hours <br /> Unit Cost . $4.374 /LCY Total Job Cost: $20,939 <br /> ------- ---------- <br />