SUMMARY OF WORK

The Red Hill Mine Safeguard Project- Phase I is located approximately 3 miles northeast of Derry, New Mexico, in the Garfield and McLeod Tank U.S. Geological Survey 1:24k quadrangles. The site features are located on rugged, steep terrain. The Red Hill project consists of 18 adits, 7 shafts, 1 trench with adit and 1 vent hole for a total of 27 mine features to be safeguarded.

This project involves the following on site safeguard construction work of:

• 4 Horizontal Bat Gates on Shaft
• 11 Culvert with Bat Gate in Rock Bulkhead and 1 Culvert with Bat Gate and Waste Rock Backfill, with different diameters, details can be found on the Plan Set.
• 1 30” Culvert closure
• 1 Airflow Closure
• 1 Rock Wall Along the Trench Edge
• 2 Vertical Egress Gate Closure
• 3 PUF with Waste Rock Cover
• 1 Bat Cupola
• 2 Shaft Backfills

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.