Detailed design for tunnels, ventilation and smoke extraction — tender support and multidisciplinary engineering across Europe, the Middle East, Africa and worldwide.
ESDIIS delivers and secures the detailed design of underground works: ventilation and smoke-extraction systems, safety scenarios, calculation notes, construction drawings and compliance files.
This specialty rests on a multidisciplinary foundation — structure, HVAC, electrical, networks, acoustics — serving the most demanding infrastructure.
Explore tunnel expertise →
Analysis of specifications (CCTP) and bills of quantities (DPGF), pricing, variants, technical proposals.
Upgrading existing infrastructure and restoring regulatory compliance.
Structural studies, engineering structures, civil works / equipment interfaces.
Heating, ventilation, air conditioning and technical fluid networks.
Power and low-current systems (CFO/CFA), technical networks, EV-charging infrastructure.
Industrial and environmental acoustics, treatment and compliance.
Every assignment follows a controlled sequence, from document analysis to site support — explicit assumptions, traceable calculations, verified deliverables ready for use.
