Tunnel ventilation Requirements for ventilation systems are becoming increasingly more stringent. Ensure the safety of road users and adherence to environmental regulations with our energy-efficient and cost-effective automation solutions.

Ventilation system in a tunnel

The challenge


Tunnel with overhead ventilation

Fluctuating air quality during operation

Traffic conditions in road tunnels mean it is crucial to continuously monitor the oxygen supply, visibility, and the concentration of pollutants in the tunnel. Ventilation systems work closely with traffic control systems to maintain the air quality in regular operation. It is particularly important to ensure that ventilation remains available in the event of a fire, so that rescue operations can be conducted.

Solution


Depiction of an accident with fire in a tunnel

Extracting smoke and heat in the event of a fire

To ensure that rescue operations can be carried out in the event of a tunnel fire, smoke and heat must be kept away from rescue workers and other road users remaining in the tunnel. A suitable ventilation control system is used to control smoke and heat in the tunnel tube. The ventilation runs in extraction or injection mode, depending on the specific fire scenario. The way in which ventilation is controlled in the event of a fire depends largely on whether the source of the fire can be located in the tunnel tube. An overpressure is generated to prevent smoke from entering the evacuation shaft.

Traffic cameras above a road

Secure remote access in tunnel mode

Secure network and control infrastructures with high-level availability ensure you can lay the foundation for reliable tunnel operation. We support you with high-performance products for fiber optics, copper, and wireless.

Our solutions for redundant network structures meet all the necessary safety and bandwidth requirements for secure and error-free access from the traffic control room. The respective redundancy levels ensure seamless data transmission for all tunnel applications. So, even in the event of partial failures, for example because of defective devices or connections, relevant protocols can be forwarded in real time. Our IEC 62443-certified consulting services and the use of modern encryption standards safeguard your data.

Learn in our white paper how to assure maximum security during remote access to your systems and protect yourself against cyberattacks and malware.

Your advantages

  • Quick and easy connection of your sensors via prepared software and app solutions
  • Reduced costs due to minimal engineering effort
  • Cost-effective operation with needs-based ventilation
  • High-availability ventilation given the redundant network and control infrastructures
  • Secure remote access to your plant

Contact

Your contact person: Christophe Steppe
Christophe Steppe
Global Industry Manager Tunnel Infrastructure
I would be happy to consult with you on your modernization or extension projects. Benefit from our long-standing experience and extensive range of services.

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