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3 <br /> Truck Cycle Time Sheet 3 of 3 <br /> ---------------- <br /> Exchange = 0.70 min. Adj. for altitude = 0.76 min. <br /> Load = 1.010 min. = 1.17 min. <br /> Maneuver & dump = 1.20 min. " " " = 1.30 min. <br /> Travel Time (haul & return): <br /> Road cond. descr.:Rutted soft dirt road, no maint., 4-6" tire penetration <br /> ------------------------------------------------------------- <br /> Haul route <br /> Road Length Grade Rolling Total Velocity Travel time <br /> seg. # (ft) res.(%) res.(%) res.(%) (fpm) (min) <br /> ---------------------------------------------------------------------- <br /> 1 1,200 0.00 7.50 7.50 1177 1.10 <br /> ---------------------------------------------------------------------- <br /> Haul time = 1.10 min. <br /> Return route ------ <br /> ---------------------------------------------------------------------- <br /> 1 1,200 0.00 7.50 7.50 2274 0.69 <br /> ---------------------------------------------------------------------- <br /> *1st & last seg. adj. for accel./decel. Return time = 0.69 min. <br /> Total Truck Cycle Time = 5.02 min. <br /> Loader Unit Prod.= 439.47 LCY/Hr Adj. for efficiency= 364.76 LCY/Hr <br /> --------- -------- <br /> Truck Unit Prod.= 169.31 LCY/Hr Adj. for efficiency= 140.53 LCY/Hr <br /> --------- -------- <br /> Optimal number of trucks per loading unit 3 <br /> Selected number of trucks per loading unit 3 <br /> Hourly truck team production 421.58 LCY/Hr <br /> Net Hourly Truck/Loader Team Production 364.76 LCY/Hr <br /> Net Hourly Multiple T/L Team Production 364.76 LCY/Hr <br /> JOB COST: <br /> Fleet size 1 T/L Team(s) Total Job Time: 28.79 Hours <br /> -------- --------- <br /> Unit Cost $1.388 /LCY Total Job Cost: $14,579 <br /> -------- ---------- <br />