Energy & Mining

Long-Baseline Neutrino Facility

A 4.5-mile deep neutrino research cavern complex in a former gold mine.

Support caverns, galleries and shaft works for the world’s largest particle physics experiment.

Extremely low vibration, radiation shielding and long-term stability governed every support decision across the underground complex.

Scope of work

  • Tunnels & Underground Engineering
  • Geotechnical Engineering
  • Advisory Consulting
Long-Baseline Neutrino Facility — Lead, SD
Long-Baseline Neutrino Facility, Lead, SD. Hoffman Tunnels provided tunnel and underground design, engineering and construction-phase support.

Project facts

Depth
4.5 miles
Setting
Former mine
Vibration
Ultra-low
Completion
2024
Related work

More energy & mining projects

Gorge 2nd TunnelEnergy & Mining
Newhalem, WA2010

Gorge 2nd Tunnel

A high-pressure water conveyance tunnel for a major hydroelectric facility in the Cascade Range.

View project
Gorge 2nd Tunnel project details
Next steps

Planning something underground?

Every project starts with a conversation about your ground, your constraints, and your programme.