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NOV 24 '97 04:31PM DMG DURPANGO FIELD OFFICE P.4i7 <br /> Truck Cycle Time Sheet 3 of 3 <br /> --------- ----rr <br /> Rzohange = 0.60 min. Adj. for altitude * 0.60 min. <br /> Load = 0.540 min. ■ r 0.58 min. <br /> Aaaetrrsr fi dump = 1.00 min. • • 1.00 min. <br /> ....... <br /> ------ <br /> Travel Time (haul return) x <br /> Road coed. descr.:Rutted d rt road, little/no maint., 1-2w tire penetration <br /> ------------------------------------------------------------- <br /> Saul route <br /> Road Length Grade Rolling Total Velocity Travel tine <br /> sag. # (ft) res. M res. (4) rea. (%) (fpm) (mast) <br /> ..-------------------------------------------................«....----..-----._-_,._ <br /> 1 2,800 -2-00 5.00 3.00 2994 1.09 <br /> 2 925 9.50 5.00 14.50 616 1.52 <br /> .r r r .- Haul time = 2.61 min. <br /> Return route ------ <br /> --........---r----rr----rrr----r---rr---------------------------.V----I---N- <br /> 1 925 -9.50 5.00 -4.50 3520 0.37 <br /> 2 2,600 2.00 5.00 7.00 2743 1.14 <br /> r*lot & last sea. adj. for accel./decel. Return time 1.51 min. <br /> Total Truck Cycle Time 6.30 min. <br /> Loaders Unit prod.. 411.64 LCY/Sr - Adj. for efficiency- 341.66 LCY/Hr <br /> Truck Unit Prod.= 77.1.4 LCY/Hr - Adj. for efficlencyw. 64.02 LCY/Hr <br /> --------- _---.-_- <br /> optimal number of trucks per loading unit 5 <br /> Selected number of trues per.loading unit 5 <br /> Hourly truck team production 320.12 LCY/Hr <br /> Not Hourly Truck/Loadar Team Production : 320.12 LCY/SY <br /> not Hourly Multiple T/L Team Production 320.12 LCY/Hr <br /> JOB COST: <br /> ss=sa aav <br /> Fleet size : 1 T/L Team(s) Total aeb `1'iane; 9.50 Hours <br /> ~unit Cost - $0.999 /LCY Total Job Coat: $2,718 <br />