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Closure Cost Estimate <br />Waste Rock Dumps <br />Project Name: Cross and Caribou Reclamation Estimator - Reclamation Plan <br />Date of Submittal: November 23 2021 <br />File Name: RND2_Cross And Caribou Reclamation Cost Estimator_REVB.xlsm <br />Model Version: Version 1.4.1 <br />Cost Data: User Data <br />Cost Data File: SRCE_Cost_Data_File_1_12_Std_2020.xlsm <br />Cost Estimate Type: Surety Cost Basis: Northern Nevada <br />Waste Rock Dumps - Cost Summary <br />Labor Equipment Materials Totals <br />Grading Costs $207 $305 N/A $512 <br />Cover Placement Cost $4,367 $12,985 N/A $17,352 <br />Topsoil Placement Cost $2,184 $6,492 N/A $8,676 <br />Ripping/Scarifying Cost $138 $204 N/A $342 <br />Subtotal Earthworks $6,896 $19,986 $0 $26,882 <br />Revegetation Cost $280 $100 $793 $1,173 <br />TOTALS $7,176 $20,086 $793 $28,055 <br />Waste Rock Dumps - Regrading Costs <br />Productivity = Dozer Productivity x Grade Correction x Density Correction x Operator (0.75) x Material x Visibility x Job Efficiency (0.83) x (Slot/Side-by-Side) x (Altitude Deration) <br />Description <br />(required) <br />Regrading <br />Volume <br />Dozing Distance <br />(see above)Regrading Fleet <br />Uncorrected <br />Dozer <br />Productivity <br />Grade <br />Correction <br />Dozing <br />Material <br />Density <br />Correction <br />Side-by-Side <br />or <br />Slot Dozing <br />Total Hourly <br />Productivity <br />Total Dozer <br />Hours <br />Total <br />Labor <br />Cost <br />Total <br />Equipment <br />Cost <br />Total <br />Regrading <br />Cost <br />cy ft cy/hr cy/hr hr $$$ <br />1 Ore Storage 108 50 D7R 1,076 1.6 1.0 0.85 1.0 911 1 $69 $102 $171 <br />2 Waste Rock Storage 1,404 64 D7R 888 1.6 1.0 0.85 1.0 752 2 $138 $203 $341 <br />1,512 3 $207 $305 $512 <br />11/21/2021 <br />Copyright © 2004 - 2009 <br />SRCE Software. All Rights Reserved. Page 4 of 6 Waste Rock Dumps <br />I I I I I <br />I I I I I I I I I I I I I I