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Leeville Shafts

Leeville Shafts

Location
Carlin, Nevada
Client
Newmont Gold Corporation
Designer
SNC-Lavalin America, Inc./Dynatec
Contract Value
$41.6 Million
Completion Date
2006
Market Sector
Mining
Capabilities
Self Performance

Designed to recover gold deposits which were located near an open pit mining operation, the project included the excavation and concrete lining of two separate shafts: a 22-foot-diameter, 1,900-linear-foot production shaft, and a 20-feet-diameter, 1,650-linear-foot ventilation shaft. Both tunnels were excavated using typical drill and blast techniques. Cover and contact grouting techniques also were used throughout the project in order to control the inflow of ground water. 

In addition to excavation work, Atkinson installed various surface facilities, performed head frame and collar installations, and set up temporary facilities and sinking plants for both shafts.