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Ho—tau,Mining Company June 17.2019 <br /> Regular T 12d)Operation Reclamation Permit Apphcan-Package <br /> Project Name: Pitch Mine Reclamation Project-Reclamation Plan <br /> Date of Submittal: March 1,2019 <br /> File Name: SRCE_Version_7_4_1_016c_2019-06-06_amh_User 3 Updates.xlsm <br /> Model Version:Version 1.4.1 <br /> Cost Data:User Data <br /> Cost Data File:SRCE_Cost_data-USR_1_12_2019-05-14.xlsm <br /> Cost Estimate Type:Surety Cost Basis:Northern Nevada <br /> Exploration Roads&Pads-Cost Summary <br /> Labor quipment M.t.rials ota s <br /> Grading Costs $0 $0 WA $0 <br /> Cover Placement Cost $0 $0 WA $0 <br /> 11 in Scan in Cost $0 $0 WA $0 <br /> Subtotal Earthworks $0 $0 $a <br /> Reve etation Cost $0 $0 $0 s0 <br /> TOTALS SO $0 'o SO <br /> Exploration Roads&Pads-Calculations <br /> Regrading Volume and Footprint Volume <br /> -wizen i <br /> ew. DiM—d sbpe kryh•c,•c; <br /> �P+ Dnbrhed rwbrn wNh•Dkbrbed sby.kngm.cos,org,wl sbp.h <br /> sbpe area•pshuroea sbpe kngm s ftoad bnghn <br /> mbrN •Qsrurhee r p h rnmm s ftoad g <br /> Figure 1-Regrading Volume <br /> Will not allow dozer for slopes greater than 30% 5-11 Factor: 1.2 <br /> For dozer regrading push distance=road vddih <br /> Assumes dozer push is uphill <br /> Assumes minimum push distance of 100 fi <br /> Ripping/Scarifying Calculations <br /> Minimum 1 hr ripping—r,fying time per area <br /> Number of passes=Final slope length-Grader vncm <br /> Travel dstance=Number of passes a Road length <br /> Total hours=(Travel distance-Grader productivity)+INumber of passes v Grader maneuver time) <br /> For dozer regrading assumes push d,slance=3 x road v, <br /> Revegetation Calculations <br /> M,n,mum of 1 acre crew time per area <br /> Page 2 of 4 HOMESTAKE MINING COMPANY <br /> 41 of 164 <br />