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UndergroundGeneralAnderson Dam Tunnel – 2024 Outstanding Underground Project

Brian Harris, PE, and Alex Folchi, PE

Drill Tech Drilling & Shoring, Inc. performed Sequential Excavation Method (SEM) tunnel construction with geometric cross sections consisting of 19 ft to 24 ft (5.6 to 7.3 m) diameter tunnels (including wide span intersections) for the Anderson Dam Tunnel Project.