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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 - User Input You must fill in ALL green cells in this section for each dump, lift or dump category <br />Facility Description Physical - MANDATORY Cover Growth Media <br />Description <br />(required)ID Code Type <br />Underlying <br />Ground <br />Slope <br />Ungraded <br />Slope <br />Final <br />Slope <br />Final Top <br />Slope <br />Lift (dump) <br />Height <br />Mid-Bench <br />Length <br />Average Flat <br />Area Long <br />Dimension <br />(ripping <br />distance) <br />Final <br />(Regraded) <br />Dump <br />Footprint <br />Regrade <br />Volume (1) <br />(if calculated <br />elsewhere) <br />Cover <br />Thickness <br />Slopes <br />Cover <br />Thickness Flat <br />Areas <br />Distance <br />from <br />Cover <br />Borrow <br />Slope <br />from <br />Dump to <br />Cover Borrow <br />Slope Growth <br />Media <br />Thickness <br />Flat Area <br />Growth Media <br />Thickness <br />Distance from <br />Growth Media <br />Stockpile <br />Slope from <br />Dump to <br />Stockpile <br />-1 % Grade _H:1V _H:1V % Grade ft ft ft acres cy in in ft % grade in in ft % grade <br />1 Ore Storage Waste Rock Dump 2.0 2.0 3.0 0.0 15 104 20 0.11 18.0 18.0 22,704 -6.6 6.0 6.0 22,704 -6.6 <br />2 Waste Rock Storage Waste Rock Dump 5.0 2.0 3.0 0.0 35 240 20 0.72 18.0 18.0 22,704 -6.6 6.0 6.0 22,704 -6.6 <br />Notes: <br /> 1. All Physical parameters must be input even if manual overrides for volume or area are used. <br /> 2. If Slope from facility to borrow source is >20, downhill travel time may be underestimated due to limitation of uphill travel time curves and downhill speed tables from CAT Handbook (see Productivty Sheet) <br />11/21/2021 <br />Copyright © 2004 - 2009 <br />SRCE Software. All Rights Reserved. Page 1 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 I I I I I I