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H:7.Iska Minhg COlryany J.17.2019 <br /> Repuhr(I 12d)Ope WF Re Iamstbn Perm—Appkcatnn Package <br /> Project Name:Pitch Mine Reclamation Project-Reclamation Plan <br /> Date of Submittal:March 1,2019 <br /> File Name:SRCE_Version_1_4_7 016c 2019-06-06_amh_User 3 Updates.atsm <br /> Model Version:Version 1.4.1 <br /> Cost Data:User Data <br /> Cost Data File:SRCE_Cost_data-LlSR_1_12 2019-05-14.%lsm <br /> Cost Estimate Type:Surety Cost Basis:Northern Nevada <br /> Waste Roek Dum s-Cost Summary <br /> Gradin9Costs a$221] p31— aIIAas of�.126 <br /> Cover Placement Cast 3888 $2918 N/A Ss]O6 <br /> Topsoil PhcerrenI Cost w $0 N/A f0 <br /> fti n/Scan n Codl $2. $639 N/A 38]9 <br /> 6uaobl Eannvorks $) f9.366 f0 512.211 <br /> Pevegelation Cost $5oo 3190 S28]1 53.561 <br /> -,T!AL$ Saab $9656 f2a]t 16.2]2 <br /> Waste Rock Dumps-Calculations <br /> Rearading Volume Calculation Final Slope Area and Foot not Area Calculations <br /> C A FeW•lope bnpN=c,-r- ' <br /> Lul Fnal tape area-Fa,M abpe kryn. rcn Lenpn <br /> Fml MI neigra III I Ic,•c,l a anlFaW taper - <br /> p F..abee wan Id1=11,•c,l a coslFvvl,— <br /> h(Lln HagMl B, F-Pope loagra=Peal Yope.Yn.M,sbencn L<rpn <br /> F-.1 area=GrW bapae_FaW a/bpe`1m1y,n1 r� <br /> Fi11C <br /> vane^nm A,'.' `T <br /> q •q arevolu•ecakWaeon Figurt3-Final Slope Artaand Footprint AreaCalculation <br /> R radi Push Di ation Ri i /Scar' i Calculations <br /> do g stance.oazed on 2alkd eN sbpe•2'31,nall Il pI,lmimmom=50h) Mnirrumt rnpegscardy,ng tans par damp <br /> slnpeF <br /> ° T-1I a passes=Foal slog lergtn-Gradw h U <br /> awl daanF(=N 1 a w:ae6 a Ma-ber,pn hngln <br /> rail Rows-Irr.wl dishrne-GrMer wodapewlyl•INumb.r a pa:se:.cr.der mewpwr tma) <br /> t Mnirrum I M <br /> Dozing disainea• 3(c,dca) t3aaer0 Flat 4reas: <br /> Irk Fitt arw vadN=Foal bl area-Awrapa brg darensionz <br /> Number a Wsses=Fitt area w10,-Grader w <br /> Trawl chance=Nu a passes a Average brig drmnzignz <br /> T::I baz (Trawldistance-Grader productivity)•IN—aWszez.Grader maneuvertime) <br /> Revegelation:Mninum 1 x rewgehlion crewtme per area <br /> F. <br /> Figure 2-Dosing Distance Glculation <br /> Page 2 of 3 HOMESTAKE MINING COMPANY <br /> 45 of 164 <br />