Energy & MiningBlue Lake Hydroelectric Expansion
Underground powerhouse and tunnel works for a hydropower expansion in remote Southeast Alaska.
View project
Gorge 2nd Tunnel
A high-pressure water conveyance tunnel for a major hydroelectric facility in the Cascade Range.
Pressure tunnel design and construction management for a new penstock route.
The alignment passed through competent crystalline rock with high cover, allowing a stiff support class and a lean, efficient excavation cycle.
Scope of work
- Tunnels & Underground Engineering
- Geotechnical Engineering
Project facts
- Type
- High pressure
- Rock
- Crystalline
- Cover
- High
- Completion
- 2010
More energy & mining projects
Energy & MiningBlue Lake Hydroelectric Expansion project details
Energy & MiningIowa Hill Pumped Storage Project
Underground powerhouse and headrace works for a pumped storage hydroelectric facility.
View project
Energy & MiningLong-Baseline Neutrino Facility
A 4.5-mile deep neutrino research cavern complex in a former gold mine.
View project
Planning something underground?
Every project starts with a conversation about your ground, your constraints, and your programme.