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Homesteke Mining Company <br /> June 17,2019 <br /> Regular(112d)Operation Reclamation Permit Application Package <br /> Productivity-Bulldozers(cont.) <br /> Grade vs.Dozing Factor %Grade vs.Doemg Factor <br /> rode zng actor <br /> -30 1.6 <br /> -20 1.4 <br /> -10 1.2 6 <br /> 0 1 <br /> 10 0.8 <br /> 20 0.55 <br /> 30 0.3 s <br /> L <br /> er Ya PMamarca Handbook Eldon]6 <br /> %Gaae Doarg Facto= 0.o2taa•o.9]96 _ <br /> Isee�apn1 n <br /> efi mow` <br /> Job Condition Correction Factors-Bulldozers 0.3 <br /> OPERATOR <br /> Ave,a e D75 -0 20 10 20 30 <br /> MATERIAL I v.wad.1-0pwnka,•upnie) <br /> Loose slot le 1.2 <br /> Normal 1 U1FA.2YMlN M.WNWrW'Ne'1MNF5A 6.0tlUb <br /> Hare to cut frozen— <br /> wifhoHc finder 0.8 <br /> Hard to drifr,'dead'(dry,non-cohesive <br /> material)or sticky <br /> tic maienal 0.8 <br /> Rock.n ed or blasted 0.6 <br /> SLOT DOZING OR SIDE BY SIDE 1 1.2 <br /> v1SIBIUTY <br /> Good conditions 7 <br /> JOB EFFICIENCY _ <br /> 30—11, 0.5 <br /> (1)SNen in ecery xar s. <br /> IXMrfact ircluee n r ac ors <br /> Sour ee[; rplladi Pedoimance MandboW Ednion]5 <br /> Material Densities(l) <br /> Materi0l Ic", kg/m <br /> AJlu 11um 1.720 Note uses Sand&Gravel-Dry from Caterpillar Handbook <br /> Basalt 3 300 1.960 <br /> Cla - 2 500 1 480 <br /> Granite-broken 2 800 1.660 <br /> Gravel 2,550 1,510 <br /> LS-broken 2.600 1,540 <br /> LS-gushed 222 <br /> 1,540 <br /> Sandstone 2 550 1.510 <br /> Shale 2,100 1.250 <br /> Stone-crushed 2 760 1 600 <br /> Taitn -Coarse d loosesand 2400 1420 <br /> Tailin -Slimes loose sane&da 2 700 1 600 <br /> To soil 1 600 950 <br /> 1115ourc G.wPW PMa�marce Handbook Edition]5 <br /> Page 2 of 22 HOMESTAKE MINING COMPANY <br /> 131 of 164 <br />