Tunnel Ventilation and Safety

Pospisil & Ilg - Associated Engineers is an independent company of consulting engineers, based in Switzerland. We offer a broad range of professional services in the fields of tunnel ventilation and safety. We follow projects from the first ideas and concepts over feasibility studies, preliminary and detailed design, site supervision and operation - worldwide.

engineering services  

Our expertise

  • Tunnel Ventilation
    - Road Tunnels
    - Metro Stations
    - during construction
  • Tunnel Safety
  • Aerodynamics
  • Ventilation during Construction
  • Tunnel Testing
  • Escape Route Ventilation
  • Stairway Pressurisation
  • Wind Effects
  • Waste Air Treatment
  • Research
  • Education
expertise and scope  

Our services

  • Expert opinion, feasibility studies
  • Professional consultancy
  • Project management
  • Concept and system design
  • Design review
  • Calculation and simulation of tunnel
    ventilation systems
  • Scale model and wind tunnel tests
  • Risk analysis, tunnel safety assessment
  • Procurement and site supervision
  • Measurements
  • Commissioning and fire tests
  • Site and factory acceptance tests
  • Operational optimization
projects  

Our projects

  • Australia
  • Austria
  • Belgium
  • Brazil
  • Czech Republic
  • Chile
  • France
  • Georgia
  • Germany
  • Greece
  • Ireland
  • Italy
  • Russia
  • Slovakia
  • Slovenia
  • Switzerland
  • Turkey