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Closure Cost Estimate <br /> Fleets(Crews) <br /> Project Name: REX Exploration Montrose County Colorado-Notice or Exploration <br /> Date of Submittal: December 2022 <br /> File Name: REX_NOI_SRCE_Ver_1_4_1_017_NVb.xlsm <br /> Model Version:Version 1.4.1 <br /> Cost Data:User Data <br /> Cost Data File:20220801_SRCE_Cost_Data_File_1_12_Std_2022.xlsm <br /> Cost Estimate Type:Surety Cost Basis:N.Nevada Notice Level <br /> EQUIPMENT FLEETS <br /> EQUIPMENT TOTAL LABOR TOTAL <br /> Standard UNIT COST UNIT COST COST <br /> ACTIVITY AND FLEET Crew Size (Hourly) (Hourly) (Hourly) <br /> RIPPING <br /> Rip road <br /> Waste rock dumps,heaps,tails-rip flat surfaces <br /> Surface preparation <br /> Scarify <br /> Small Dozer w/multi-shank <br /> D7R I 1 i $168.881 $71.22 $240.10 <br /> Totalsl 1 1 $168.881 $71.221i $240.10 <br /> Medium Dozer w/ multi-shank <br /> D9R 1 1 1 $384.88 $71.221 $456.10 <br /> Totals L 1 $384.881 $71.221 $456.10 <br /> Large Dozer w/ multi-shank <br /> D10R I 1 1 1 $524.071 $71.221 $595.29 <br /> Totalsl 1 1 $524.071 $71.221 $595.29 <br /> Grader w/ multi-shank <br /> 16G/H I I 1 1 $76.221 $72.28 $148.'0 <br /> Totals $76.22 $72.28 $148.50 <br /> GRADING <br /> Grading storage and structure areas <br /> Grading waste rock dumps and heaps <br /> Grading landfills <br /> Constructing pit safety berms <br /> Small Dozer Fleet <br /> D7R 1 $168.881 $71.22 $240.10 <br /> Totals $168.881 $71.22 $240.10 <br /> Medium Dozer Fleet <br /> D9R I 1 1 1 $3a4.881 $71.221 $456.10 <br /> Totalsl I I $3B4.881 $71.221 $456.10 <br /> Large Dozer Fleet <br /> D10R 1 $524.071 $71.221 $595.29 <br /> Totals $524.071 $71.221 $595.29 <br /> EXPLORATION GRADING <br /> Backflling and grading exploration trenches <br /> Grading flat exploration roads <br /> Small Dozer Fleet <br /> D6R 1 $149.911 $71.22 $221.13 <br /> Totals $149.911 $71.221 $221.13 <br /> Medium Dozer Fleet <br /> D7R 1 1 1 $168.88 $71.221 $240.10 <br /> Totalsl I I $168.881i $71.221 $240.10 <br /> Large Dozer Fleet <br /> D8R 1 $283.87 $71.22 $355.09 <br /> Totals $283.87 $71.22 $355.09 <br /> 3/2/2023 <br /> �vm�o aao.-xoo9 <br /> 9RCE SoMuw All Riau Re . 28 of 56 Fleets(Crews) <br />