2024-12-16_REVISION - M1977410 ‎(12)‎

• Permit No: M1977410
• IBM Index Class Name: Revision
• Doc Date: 12/16/2024
• Doc Name Note: Appendix L-1 2021 Reclamation Cost Calculation
• Doc Name: Request For Conversion
• From: Grand Island Resources LLC
• To: DRMS
• Type & Sequence: CN1
• Email Name: JPL
• Email Name: JLE
• Email Name: EL1
• Email Name: LJW
• Email Name: THM
• Media Type: D
• Archive: No

Closure Cost Estimate
Reclamation Quantities
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
Data Cost File: SRCE_Cost_Data_File_1_12_Std_2020.xlsm
Cost Data: User Data
Cost Data File: SRCE_Cost_Data_File_1_12_Std_2020.xlsm
Cost Estimate Type: Surety Cost Basis: Northern Nevada
Reclamation Quantity Summary

Description
Total
Regrade
or Haul
Volume
Total
Regrade
or Haul
Cost
Total
Cover
Volume
Cover
Placement
Cost
Total
Growth Media
Volume
Growth Media
Placement
Cost
Total
Surface
Area
Total
Scarify
Cost
Total
Revetation
Cost TOTALS
Regrade
Unit Cost
Material Haul
or Backfill
Unit Cost
Cover
Unit Cost
Growth
Media
Unit Cost
Scarify
Unit Cost
Area
Unit Cost
1 cy $cy $cy $acres $$$$/CY $/CY $/CY $/CY $/CY $/acre
1 Waste Rock Dumps 1,512 512$ 1,791 17,352$ 597 8,676$ 0.74 342$ 1,173$ 28,055$ $0.34 N/A $9.69 $14.53 $462.16 $37,912.16
2 Tailings Impoundments -$ -$ -$ -$ -$ -$ N/A
3 Heap Leach Pads -$ -$ -$ -$ -$ -$ N/A
5 Open Pits -$ -$ -$ N/A
4 Quarries & Borrow Pits -$ -$ -$ -$ -$ -$ N/A
6 Roads 2,333 1,914$ 2,064 11,277$ 0.75 342$ 1,076$ 14,609$ $0.82 N/A $5.46 $456.00 $19,478.67
7 Landfills -$ -$ -$ -$ -$ -$ N/A
8 Buildings 64 13,014$ -$ 0.3 -$ 912$ 13,926$ N/A $203.34 $0.00 $46,420.00
9 Yards -$ 645 8,676$ 645 8,676$ 4.15 -$ 7,825$ 25,177$ N/A $13.45 $13.45 $0.00 $6,066.75
10 Ponds 2,254 4,852$ 783 11,280$ 0.6 1,635$ 17,767$ N/A $2.15 $14.41 $29,611.67
11 Exploration Roads -$ -$ -$ -$ -$ N/A
12 Exploration Trenches -$ -$ -$ N/A
13 Diversion Ditches -$ -$ -$ N/A
14 Sediment Ponds -$ -$ -$ -$ -$
15 Generic Haulage/Backfill 507 1,903$ 242 4,338$ 48 4,338$ 0.1 171$ 304$ 11,054$ N/A $3.75 $17.93 $90.38 $1,710.00 #########
16 Adit/Decline Backfilling1 -$ -$ N/A
17 Shaft Backfilling 472 4,852$ 4,852$ N/A $10.28
TOTALS 7,078 14,033$ 2,742 43,380$ 4,137 44,247$ 6.64 855$ 12,925$ 115,440$
Average Costs per CY $1.98 per CY $15.82 per CY $10.70 per acre $128.77 $15.12 $17,386 per acre
Unit Costs
11/21/2021
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