SUMMARY OF WORK

The Boston Hill Mine Safeguard Project area is located one mile South-West of the Town of Silver City, in Grant County, New Mexico.  The project area (see Sheets 3 and 4) is on private land; municipal public land managed by the Town of Silver City, NM; and BLM public land managed by the Las Cruces Field Office.  Site features are located on rugged, steep terrain.

This project involves the following work:

• On-site construction of 11 native waste rock and mortar wall closures (see Sheet 9, Waste Rock Borrow Summary table)
• Installation of 36,700 square feet (SF) of cable mesh over two large stope locations, LT-2/3 and LT-101/103 (see Sheet 10, Steel Mesh Closure Summary table)
• On-site construction of 8 horizontal and 6 vertical metal grate closures (see Sheets11-12; see Sheet 11, Metal Grate Closure Summary table)
• On-site construction of 1,325SF of large adit and stope metal grate closure at 2 locations for feature LT-134 (see Sheet 13, Adit and Stope Metal Grate Closure Summary table)
• On-site construction of 2 metal gate egress adit closures with native waste rock and masonry surrounds (see Sheets 14-16)

Demobilization shall be conducted in such a manner to ensure that the Contractor leaves all project areas in as good or better condition than before disturbance.