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Homestake Mining Company June 17,2019 <br /> Regular 1112d)Operation Reclamation Permit Appkcat-Package <br /> Productivity-Bulldozers <br /> Dozer Specifications <br /> Description 11 10 D9R 08R D7R MR <br /> Blade Witl1h(SU)(ft 18.33 15,92 14.17 12.92 12.08 10.67 <br /> Shank Gua e 3 shanks tt 9.83 8.67 7.67 T08 6.5 6.5 <br /> Pocket Spacing tt 4.75 4.33 3.87 3.58 3.25 3.25 <br /> Rippina Width(Ripper+1Rocket ft 14.58 13 11.54 10.66 9.75 9.75 Dozer Productivity(Semi-UBlade) <br /> R,pp,ng Speed(.ph) 1 1 1 1 1 1 3000 --- <br /> R,pp,ng Maneuver turn Time min 0.25 0.25 0.25 0.25 0.25 0.25 <br /> Aintude Deratiun Factor 0.85 0.97 0.85 0.85 1 0.92 t <br /> Ripping Houdy Product-(mcluding ' r <br /> n time)(ft 4,488 5.122 4,488 4,488 5,280 4.858 2500 <br /> y-1e50e2,'•r• <br /> Source:Cat illar Pedormance Handbook Edition 35 f/ ' <br /> 2000 • 011R <br /> a 01OR <br /> ,� Y'a163Yxa`'10a ♦ MR <br /> Dozer Productivity vs.Grading Distance 1500 • DER <br /> Production LCY/hr U 0 D7R <br /> Average J <br /> D-nq y=1150e7x . • DER <br /> OW-re 1000 0.0 <br /> (feet) D71R D70R MR MIR D7R MIR �'F <br /> • .. <br /> 50 4800 2!81.700 1,250 1,400 1,000 500 - <br /> 200 2.800 7 700 1,000 475 375 210 ♦ .■ <br /> 300 1.500 625 450 275 250 150 •' t ti ti - <br /> 300 1,000 625 450 275 250 150 Y=12719xa -�_ <br /> 400 750 500 300 175 <br /> 500 600 I10 250 125 0 y=foto2ex-"" <br /> 600 50D 350 200 too 0 100 200 300 400 500 600 700 <br /> Source:Cate illar Performance Handbook Edition 35 Dozing Distano0(feat) <br /> dozer productivity=I, ozi x Dozing Distance° <br /> h <br /> k= 185082 $1639 89889 115087 22719 101029 <br /> -0.919 -0.8502 -0.9425 -1.0809 -0.7796 -1.1506 <br /> Paq, 1 of 22 HOMESTAKE MINING COMPANY <br /> 130 of 164 <br />