Energy & MiningGorge 2nd Tunnel
A high-pressure water conveyance tunnel for a major hydroelectric facility in the Cascade Range.
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Blue Lake Hydroelectric Expansion
Underground powerhouse and tunnel works for a hydropower expansion in remote Southeast Alaska.
Tunnel, powerhouse and penstock engineering for a run-of-river expansion.
All works were executed in an inaccessible site, requiring prefabrication, logistics planning and a rigorous temporary works regime.
Scope of work
- Tunnels & Underground Engineering
- Structural Engineering
- Construction Management
Project facts
- Setting
- Remote, coastal
- Works
- Powerhouse + tunnels
- Access
- Restricted
- Completion
- 2021
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Energy & MiningGorge 2nd Tunnel project details
Energy & MiningIowa Hill Pumped Storage Project
Underground powerhouse and headrace works for a pumped storage hydroelectric facility.
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Energy & MiningLong-Baseline Neutrino Facility
A 4.5-mile deep neutrino research cavern complex in a former gold mine.
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