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Homestake Mining Company June 17.2019 <br /> Regular i 112d10per-,Reclamation Permit Application Package <br /> Productivity-Scrapers <br /> Scraper Specifications <br /> ripti- <br /> Em c Wei n,Cn 10060_ 112760 <br /> Pa oad C a <br /> Struck 24 24 <br /> Heaped 34 34 <br /> Average 29 29 <br /> Castled b One D10R SeM <br /> Load Time I ms 1 1 <br /> Maneuver and read m 1 1 <br /> Job Etlicienc 1 1 <br /> Rollin Resistance" 3 3 <br /> Altitude Deration Factor 1 1 <br /> Requires <br /> mggn.aang roadxeY arM on gi Ii9M.ud-,,,deung WVo,under <br /> e w un4Wtm9,maauned raiN regdaN.wren <br /> rglk Pedwm-H-1-1,Ed-35 <br /> Downhill Scraper Speed-Grade Retarding vs.Effective Grade(Grade-Rolling Resistance) <br /> Weight of Materials 631G 637G PP <br /> Scraper Load Loaded Weight <br /> Material INry It, WNghl(m s) 22 16 10 5 t (IL) 26 15 10 5 1 <br /> Alluvium 2900 84100 184700 7.5 10 13 33 33 1%860 7 10 18.5 34 34 <br /> Basalt 3 300 95,700 196,300 7.5 10 13 24.5 33 508,460 7 10 18.5 25 31 <br /> Cla- 2,500 72,500 173,100 7.5 10 13 33 33 185.260 7 10 18.5 34 34 <br /> Granite-broken 2,800 81 200 181,800 7.5 10 13 33 33 193,960 7 10 18.5 34 34 <br /> Gravel 2,550 73,950 174,550 7.5 10 13 33 33 186.710 7 10 18.5 34 34 <br /> LS-broken 2,600 75,400 176.000 7.5 10 13 33 33 188.160 7 10 18.5 34 34 <br /> LS-crushed 2.600 75,400 176.000 7.5 10 13 33 33 188,160 7 10 18.5 34 34 <br /> Sandstone 2.550 73950 174,550 7.5 10 13 33 33 116710 7 10 18.5 34 34 <br /> Shale 2100 60900 161500 7.5 10 18 33 33 173.660 10 13.5 18.5 34 34 <br /> Stone-crushed 2.700 78300 178,900 7.5 10 13 33 33 191,060 7 10 18.5 34 34 <br /> Talin -Coarse(dryloose sand 2400 69600 170,200 7.5 10 13 33 33 182360 7 10 1&5 34 34 <br /> Tailin -Slimes loose and 8 U 2 700 78 300 178,900 7.5 10 13 33 33 191,060 7 10 18.5 34 34 <br /> opsol 1,600 46,400 147000 7.5 10 18 33 33 159.160 10 13.5 18.5 34 34 <br /> Ennipty 10 18 24.5 33 33 10 13.5 18.5 34 34 <br /> Caterpb PMwnwce HaigoggF EMien 3a <br /> Page 3 0l 22 HOMESTAKE MINING COMPANY <br /> 132 of 164 <br />