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Homestake Mm g Company June 17.2019 <br /> Regular(112d)Operation Redamation Pxmit Application Package <br /> Concrete Breaking Production <br /> Track Excavator w/Hammer Specifications <br /> Descrl peon 3 34 38 <br /> M maws Manrn•.e� H120Ds H160Ds H180D5 <br /> M atend unforced concrete <br /> Mm Shift Production d3/8hr r 160 300 350 <br /> Max Shift Production ry,1318hr 300 $50 1,550 <br /> Avg ShHt Production 8hr 230 575 950 <br /> Job EfOcien 0.5 0.5 0.5 <br /> Allitutle Oeration Factor 1 0.93 0.85 <br /> Drill Hole Plugging Productivity <br /> Dre' A'f t 9in9 Productivity <br /> cnpton ri am ig p Rig <br /> Move-to-hole,set-u ar-down te 2 <br /> Trip in tremmie 500 <br /> Pulling c threaded not cemented 200 <br /> Smde-piiss erforatin water wells Productivi all Passes <br /> 4 60 4 <br /> 6 60 4 <br /> 8 50 4 <br /> 12 45 6 <br /> 18 40 9 <br /> 24 28 12 <br /> Perforation se" <br /> cost in in"teacost 2 r-down 2 <br /> Perforation tod we .5 <br /> Inen Material Placement baciddh <br /> Groutin Cement rhr 5.73 <br /> Cultin see bdow c Mr 3.5 <br /> 1.Drillers daily logs from Newmont. <br /> Bernick,New West Gold,Agmco <br /> Sources. Eagle,Idaho General Mines Inc. <br /> 2.Dnllers daily logs from Newmont, <br /> Barrick Target Mme als <br /> 3.Drillers daily logs from Newmont <br /> 4.WDC Explorabon.Dec 2005 <br /> woe E.pWa..Dec 2oos <br /> Cuttings Placement Productivity <br /> Shift productivity(Means 02210-700- <br /> 0120.Crew B11M) 28 cy/shill <br /> Shift ten h 8 hours <br /> Estimated Hourl Productive - 3.5 ey/hour <br /> Page 20 of 22 HOMESTAKE MINING COMPANY <br /> 149 of 164 <br />