Retrofit and refurbishment

Switch cabinets and control facilities for ventilation
Switch cabinets and control facilities for ventilation

Leitet Herunterladen der Datei ein Retrofit and refurbishment of ventilation systems
Leitet Herunterladen der Datei ein Reference list

We analyse your ventilation system and provides a new ventilation design for safe and economic operation considering the current guidelines and requirements. For the refurbishment or optimisation of an existing ventilation system, HBI provides knowledge of specialists in various disciplines such as tunnel construction, control system, simulation, fire protection, mechanical equipment etc. We provide the adequate approach meeting the requirements of your tunnel project.

Leitet Herunterladen der Datei ein Ventilation control

HBI Haerter Consulting Engineers conduct detailed analysis of aerodynamic coefficients of a tunnel, the ventilation system and the sensing elements. This is the foundation of the control and monitoring concept. The control usually includes following conditions:
Normal operation, for example unidirectional traffic, special case, for example oncoming traffic, event of fire and evacuation, event of fire and firefighting.


Reference projects

Retrofit and refurbishment of ventilation systems

Construction of the niches for jet fans in the tunnel de la Vue-des-Alpes
Construction of the niches for jet fans in the tunnel de la Vue-des-Alpes
Tunnel Amberg interior after maintenance
Tunnel Amberg interior after maintenance
Installation of the axial fans in tunnel Isla Bella in 1980
Installation of the axial fans in tunnel Isla Bella in 1980
Factory acceptance test of a jet fan
Factory acceptance test of a jet fan
Northern portal of the Elbtunnel with four tubes
Northern portal of the Elbtunnel with four tubes
Fans in the extraction center of tunnel Heslach
Fans in the extraction center of tunnel Heslach
New jet fans in tunnel Piumogna
New jet fans in tunnel Piumogna
Fire test in the southern tube of the tunnel Schwarzer Berg
Fire test in the southern tube of the tunnel Schwarzer Berg