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NOV 24 '97 04:32PM DMG DURANGO FIELD OFFICE P.7i7 <br /> Truck Cycle Time Sheet 3 of 3 <br /> ---------------- <br /> Exchange 0.60 min. Adj. for altitude = 0.60 min. <br /> ------- .....,--- <br /> Load - 0.540 min. ■ 0.5A min. <br /> Maneuver & dump = 1.00 min. " " • = 1.00 min. <br /> ------- ------ <br /> Travel Time (haul & return) : <br /> Road coed. descr. :Rutted dirt road, little/no maint., 1-20 tire penetration <br /> Saul route <br /> toad Length Grade Rolling Total Velocity Travel time <br /> Beg. # (ft) res. (%) res. (%) res. (%) (fpm) (min) <br /> ----------------------------------------------------------------------- <br /> 1 2,800 -2.00 5.00 3.00 2994 1.09 <br /> 2 900 9 .50 5.00 14.50 616 1.48 <br /> ---------------------------------------------------------------------- <br /> Haul time = 2.57 min. <br /> Return routs ------ <br /> -----------•---------------- ------------------------------------------- <br /> 1 900 -9-50 5.00 -4.50 3520 0.36 <br /> 2 2,800 2.00 5.00 7.00 2743 1.14 <br /> ----....---------------------------------------------------------------- <br /> •1st & last sag. adj. for accel./decal. Return time a 1.50 min. <br /> Total Truck Cycle Time . 6.25 min. <br /> Loader Unft Prod.= 411.64 LCY/Sr - Ada. for efficiency= 341.66 LCY/Hr <br /> Truck Unit prod.= 77.72 LCY/Hr - Adj. for efficiency- 64.51 LCY/Hr <br /> optimal number of truck* pear loading wait : 5 <br /> Selected number of trucks per loading unit : 5 <br /> Hourly truck team production s 322.55 LCY/Rr <br /> Net Sourly Truck/Loader Team Production : 322.55 LCY/Hr <br /> Not Hourly Multiple T/L Team Production : 322.55 LCY/sr <br /> JOB COST: <br /> Iplsst aims : 1 T/L Team(s) Total Job Time: 9.20 Sours <br /> ..... ----- --------- <br /> Unit Coat . $0.992 /LCY Total Job Cost: $2,624 <br />