News
Visit Us at the AFTES International Congress in Lille; October 12–14, 2026
From October 12 to 14, 2026, the French Tunnelling and Underground Space Association (AFTES) holds its 18th International Congress at Lille Grand Palais. Under the theme “New chall…
Technical Presentation at the "Tunnel Safety" Conference of TÜV NORD Akademie; September 30 – October 1, 2025
At the “Tunnel Safety” specialist conference hosted by TÜV NORD Akademie in Bamberg, Dr. Matthias Wehner gave a presentation on the topic: “Selection and Basic Design Principles of…
EmBaLu - Emission-Based Ventilation Control
The research project “Emission-Based Ventilation Control” (EmBaLu) aimed at reducing operating costs in road tunnels has been completed at the Einhorn Tunnel. HBI participated as a…
60th anniversary of HBI
This year, HBI celebrates its 60th anniversary. To mark the occasion, HBI invited its staff on an excursion to Strasbourg. More information and some pictures can be found on our Li…
Optimal tunnel ventilation system through comparison of variants
At the 5th German Tunnel Congress for Operational and Traffic Engineering, Safety and Telematics in Garmisch-Partenkirchen on 27 April 2023, the variant study and decision for the …
Rosensteintunnel in Stuttgart inaugurated
The Rosenstein Tunnel on the B10 with a length of 1059 m was opened. HBI Haerter planned the tunnel ventilation and its control.…
Einhausung Schwamendingen (Enclosure Schwamendingen): Transport of exhaust fans
The enclosure Schwamendingen gets two more fans: The exhaust fans (pollution control) were transported and inserted in the fan plant end of 2021 / beginning of 2022. HBI is acting …
Commissioning of ventilation wagons for rail tunnels
The Swiss Federal Railways (SBB) put 8 innovative ventilation vehicles into operation to ventilate tunnels during maintenance work. The health protection of construction workers is…
M8 (New M5) Tunnel (Sydney) inaugurated
The second section of the complex 44km long motorway tunnel network WestConnex opened to traffic. HBI Haerter designed the tunnel-ventilation system and its control.…
Simulation of environmental conditions during tunnel construction
HBI’s simulation program BAUKLIMA is used to efficiently and reliably simulate the tunnel environmental conditions and the air quality of underground construction sites from the st…
Saving of a tunnel fan plant
A technique was presented at the STUVA-conference 2019, which made it possible to save the construction of an air extraction centre at the Kriegsstraße tunnel in Karlsruhe by deplo…
Current Practice on Cross-Passage Design
HBI is active in Activity Group 2 (Guidelines and Recommendations) of ITA COSUF (International Tunnel Association – Committee on Operational Safety of Underground Facilities). Rece…
M4 East tunnels (Sydney) inaugurated
First section of the complex 44km long motorway tunnel network WestConnex, which is being compared with a Swiss cheese, opened to traffic. HBI Haerter designed the tunnel-ventilati…
Update audit of the quality management system of HBI according to ISO 9001:2015
The quality management system of HBI has been further developed and re-examined by the Swiss Association for Quality and Management Systems (SQS). The quality management system of …
New offices for HBI in Zurich
Since July 1, 2019 you find HBI Zurich in new offices. On Bahnhaldenstrasse 7 in 8052 Zurich larger and more modern rooms are available for the staff.…
Survey "Prevention and Mitigation of Tunnel-Related Collisions"
HBI is member of the World Road Association (PIARC), active in the Technical Committee D.5, providing know how regarding on all aspects of a safe tunnel operation. Recently the stu…
Virtual Reality for safety
Using the solution of a Siemens PLM software HBI Haerter generates 3D-walkabouts through smoke-filled buildings by application of Virtual Reality.…
Training seminar on safe operation of rail tunnels
HBI is member and active supporter of the International Tunnelling and Underground Space Association (ITA). The ITA Committee on Education and Training (ITA-CET) and ITA Committee …
Completion of EU project RICAS2020
RICAS2020 is a design study for the European Underground Research Infrastructure related to Advanced Adiabatic Compressed Air Energy Storage (AA-CAES) which provides concepts to se…
Re-certification of the quality management system according to ISO 9001:2015
The quality management system of HBI has been further developed and examined by the Swiss Association for Quality and Management Systems (SQS). The quality management system of HBI…
Energy savings of 24% were achieved in tunnel Heslach
At the STUVA-2017 conference the new dynamic control process of the ventilation system in tunnel Heslach was presented. Substantial energy and cost savings amounting to 51,463 kWh/…
New offices for HBI in Bern
The HBI team in Bern has moved to Belpstr. 48 at 3007 Bern. Since 1. November 2017, more flexible space for office work and a workshop is used by the HBI Bern staff.…
Innovation award Ostwürttemberg
Dr. Peter Reinke was awarded the innovation prize East Wuerttemberg in the “Patents” category. The patent concerns the application of a sliding door for confined space conditions a…
10 years of HBI Haerter GmbH in Heidenheim
HBI Haerter GmbH in Heidenheim is celebrating its 10th anniversary in 2017.…
HBI designs California High-Speed Rail Project
As a sub-contractor of Sener Engineering and System Inc., HBI has been awarded by the California High-Speed Rail Authority to provide the concept design of the tunnel ventilation a…
HBI is participating in the research project RE(H)STRAIN
HBI is investigating the aerodynamical and thermical conditions in rail tunnels, within the framework of the research project “RE(H)STRAIN” (Resilience of the Franco-German High Sp…