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safely be removed. <br /> There are no large siltation structures at the site. Should one become necessary in the future it will be <br /> removed during reclamation. No new earthen dams will be constructed under this Amendment. <br /> 1 .13 Reclamation Costs <br /> Reclamation costs were estimated using the Nevada Standardized Reclamation Cost Estimator Version <br /> 1.4.1 (SRCE), Build 017b (available at: https:Hnvbond.org/. (NDEP-BMRR 2019). This cost estimator is a <br /> robust and accepted by federal and state agencies in the western U.S. A summary is provided in Table 6 <br /> below and the full set of spreadsheets (with quantities) is available in Appendix III. <br /> Site Specific Assumptions <br /> ■ Topsoil is trucked in from Nederland (4.3 miles= 22,704 ft distance at 6.6%grade) <br /> ■ Pond sediment is trucked to landfill in Erie (44.3 miles= 233,872 ft at-2.2%grade) <br /> ■ Foundation is assumed to be 6" for buildings and 0" for CONEX containers <br /> ■ The Seed mix in Table 4 (Riparian or custom) as the seed mix because it is the most expensive <br /> mix in the spreadsheet at$393/acre. <br /> ■ Mulch and fertilizer are not included in the revegetation cost estimate. <br /> ■ There is a 60%erosion maintenance to the budget, which was approximated by determining <br /> revegetated areas where the natural ground exceeds 3:1. <br /> ■ There is a 50% revegetation maintenance allowance. <br /> • The spreadsheet is designed for regrading, not complete removal of waste rock piles. Waste <br /> rock volumes with haul distances (similar to the ponds) are used. <br /> ■ Acres for reclamation are shown in Exhibit C,Table 1. <br /> Table 6 Reclamation Cost Summary <br /> Labor Equipment Materials Total <br /> A. Earthwork/Recontouring $22,423 $50,681 $5,976 $79,080 <br /> B. Revegetation/Stabilization $3,319 $1,186 $10,342 $14,847 <br /> C. Detoxification/Water $905 $1,695 $0 $2,600 <br /> Treatment/Disposal of Wastes <br /> D. Structure, Equipment and $8,799 $4,549 $9,500 $22,848 <br /> Facility Removal,and Misc. <br /> E. Monitoring $5,203 $14,170 $1,528 $20,901 <br /> F. Construction Management $0 $0 $0 $0 <br /> Support <br /> G. Closure Planning,G&A, $0 $0 $0 $0 <br /> Human Resources <br /> Subtotal Operational and $40,649 $72,281 $27,346 $140,276 <br /> Maintenance <br /> Indirect Costs 0 0 0 $61,070 <br /> Total $40,649 $72,281 $27,346 $201,346 <br /> 12 <br />