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New space-saving crash cushion concept

An important part of upgrades and rehabilitation of tunnels is to protect side area that represent a risk for collisions. The new SMA crash cushions from Automation Manufacturing Services ltd. prove that it is possible to produce space-saving solutions that are easy to install, reliable over time, maintenance friendly and provide a high degree of safety. 

New space-saving crash cushion concept

Cavidrain pre-formed cavity drainage system

Cavidrain® is a preformed geocomposite drainage system designed to relieve water penetration and reduce hydrostatic pressure within tunnel constructions. A satisfactory tunnel design anticipates drainage needs by managing the build up of hydrostatic pressure on the waterproofing layer and by transporting water away in the tunnel invert.

Cavidrain pre-formed cavity drainage system

Well designed space saving tunnel drainage

Directive 2004/54/EC on minimum safety requirements for tunnels says the drainage of flammable and toxic liquids shall be provided for through well-designed slot gutters or other measures. In many cases the tunnel operator needs to find space saving solutions in a cross-section with a minimal space for drainage. 

Well designed space saving tunnel drainage

Water-based PVDF coating concept

Water-based ceiling coating improves tunnel visibility, safety and aesthetics in the Changwon Tunnel. In this case it was important for the tunnel operator to choose tunnel finish materials that had the right reflectivity, adaptability, cleanability, durability and safety effects for the road user.

Water-based PVDF coating concept
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Global news about road tunnels and technology in an operational perspective.

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