Ventilation and Smoke Extraction

Durable Tunnel Dampers of stainless Steel

After a number of tunnel fires with serious consequences around the turn of the millennium, the EU tunnel directive of 2004 and the German guidelines for the equipment and operation of road tunnels (RABT) 2006 laid down explicit standards for new tunnels and upgrading of safety equipment in existing tunnels.

Targeted smoke extraction

The associated measures include automatic fire detection and video surveillance systems as well as above all complex fire protection and ventilation systems. Central elements of such installations are tunnel dampers of stainless steel to control air supply and...

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Issue 01/2013 Tunnel Fire Control Dampers

Heslach Tunnel in Stuttgart/D

The ADAC complains about it, many motorists object to it, it’s an unacceptable situation for fire services – many transport tunnels in Europe fail to comply with the latest state of the art and can...

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Issue 02/2018 Germany

Katzenbergtunnel on the Autobahn A3: Fire Protection in the North Tunnel with 25 Axial Fans

The 570 m long Katzenberg Tunnel on the German Autobahn A3 near Würzburg is currently under construction by cut-and-cover with a total investment volume of about 44 million euros. The first...

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Issue 05/2009 Belgium

Tunnel Smoke Removal System for the Central Station in Antwerp/B

Until recently rail tunnels have scarcely been equipped with tunnel ventilation systems but now these are incorporated in the planning process for many international new construction projects from the...

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Issue 08/2011

Fire Tests for Water Mist Fire Suppression Systems

In May and June 2011 more than 30 major fire tests were carried out on water mist fire suppression systems in conjunction with fire ventilation in road tunnels to establish their efficacy for the...

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Issue 02/2014

Safe from Fire and Smoke

Three significant factors diminish the bearing capacity of the structure and hamper stability in the event of a tunnel fire: Explosion-like spalling caused by immense heat development and the...

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