2024-12-16_REVISION - M1977410 (12)

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Closure Cost Estimate Waste Rock Dumps Project Name: Cross and Caribou Reclamation Estimator - Reclamation Plan Date of Submittal: November 23 2021 File Name: RND2_Cross And Caribou Reclamation Cost Estimator_REVB.xlsm Model Version: Version 1.4.1 Cost Data: User Data Cost Data File: SRCE_Cost_Data_File_1_12_Std_2020.xlsm Cost Estimate Type: Surety Cost Basis: Northern Nevada Waste Rock Dumps - Cost Summary Labor Equipment Materials Totals Grading Costs $207 $305 N/A $512 Cover Placement Cost $4,367 $12,985 N/A $17,352 Topsoil Placement Cost $2,184 $6,492 N/A $8,676 Ripping/Scarifying Cost $138 $204 N/A $342 Subtotal Earthworks $6,896 $19,986 $0 $26,882 Revegetation Cost $280 $100 $793 $1,173 TOTALS $7,176 $20,086 $793 $28,055 Waste Rock Dumps - Scarifying/Revegetation Costs Description (required) Slope Area Flat Area Total Surface Area Final Slope Length Flat Area Long Dimension Ripping/ Scarifying Fleet Slope Scarifying/ Ripping Hours Flat Area Scarifying/ Ripping Hours Scarifying/ Ripping Labor Costs Scarifying/ Ripping Equipment Cost Total Scarifying/ Ripping Costs Revegetation Labor Cost Revegetation Equipment Cost Revgetation Material Cost Total Revegetation Cost acres acres acres ft ft hrs hrs $$$$$$$ 1 Ore Storage 0.11 0.11 48 20 D7R 0 $69 $102 $171 $140 $50 $118 $308 2 Waste Rock Storage 0.63 0.63 114 20 D7R 1 $69 $102 $171 $140 $50 $675 $865 0.74 0.74 1 $138 $204 $342 $280 $100 $793 $1,173 Notes:1) Minimum total ripping hours = 1 (i.e. If total ripping hrs (slope + flat) < 1, then one hour of fleet time is assumed, regardless of acres shown in in scarifying table.) 11/21/2021 Copyright © 2004 - 2009 SRCE Software. All Rights Reserved. Page 6 of 6 Waste Rock Dumps I I I I I I I I I I I I I I I I I I I I I