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The RockDrain-system

Drainage, fire and frost protection in tunnels and underground structures.

The RockDrain system is a reliable, cost-effective, safe and sustainable system for drainage, fire and frost protection of tunnels and underground structures.

For example; When constructing a 16 km tunnel in Sweden it is possible to reduce costs by approx. SEK 1.5 billion compared with full molding and membranes.

When a better solution comes – use it!

Report from Swedish Transport Administration;

Full-scale installation in the Roadtunnel Lundbytunnel in Gothenburg

One of the conclusions sounds; The site in the Lundby tunnel shows good functioning with a dry traffic environment and outflow through the drainnet behind the tiled wall.

Rating class is given a value of zero which means no inspection or maintenance beyond 10 years.

Evaluation Lundbytunnel fullscale installation

Read more here …….

Article in Tunnelling Journal February 2017

Tunnelling Journal February 2017

LCC, LCA for Swedish Transport Admin;

Calculated by IVL-Swedish Environmental Research Institute