3 ms·
The tunnels are smaller, so they're allegedly significantly cheaper, and the narrow diameter is compensated for with automation.
by pault 8y ago
The tunnels are smaller, so they're allegedly significantly cheaper, and the narrow diameter is compensated for with automation.
- ForHackernews 8y agoDoes anyone believe that the costs of tunneling are heavily diameter-dependent? I'd imagine safety, labor and capex costs are the major drivers.