Swiss Tunnel Colloquium 2021

Dear Madam, Sir
Dear Members

We are pleased to inform you that the Swiss Tunnel Colloquium 2021 with the title «Tunnelling in densely populated areas» will take place on September 13, 2021, including all the necessary and required security measures. We are very pleased to be able to offer you a great, interesting and informative colloquium with the possibility of personal exchange, despite difficult conditions.
The program can be found here. Please use this link to register.
We hope for your numerous attendance!
Yours sincerely,
Stefan Maurhofer, President
STS Swiss Tunnelling Society


Main sponsors STC

  • Heitkamp Construction Swiss GmbH, Dierikon

  • Herrenknecht AG, Schwanau (DE)

  • AFRY Schweiz AG, Zürich

  • Holcim (Schweiz) AG, Zürich

  • ILF Beratende Ingenieure AG, Zürich

  • Implenia Schweiz AG, Wallisellen

  • Infra Tunnel SA, Marin

  • IM Maggia Engineering AG, Locarno
    IUB Engineering AG, Bern

  • Lombardi AG
    Bellinzona-Giubiasco, Luzern, Fribourg

  • Marti Technik AG, Moosseedorf

  • Marti Tunnel AG, Moosseedorf

  • Pini Swiss Engineers SA, Zürich – Lugano – Lausanne

  • Promat AG, Münchwilen

  • Renzo Tarchini Cantieri & Contratti SA, Lugano

  • Amberg Engineering AG
    Amberg Loglay AG
    Amberg Technologies AG
    VersuchsStollen Hagerbach AG

  • Avesco AG, Langenthal

  • B+S AG, Bern

  • BASF Schweiz AG, Holderbank

  • Basler & Hofmann AG, Zürich

  • Belloli SA, Grono
    Rowa Tunneling Logistics AG, Wangen SZ

  • BG Ingénieurs Conseils SA
    BG Ingenieure und Berater AG, Lausanne

  • csc costruzioni sa, Lugano

  • Emch+Berger Gruppe, Bern

  • Frutiger AG, Thun

  • Gähler und Partner AG, Ennetbaden

  • Gasser Felstechnik AG, Lungern

Co-sponsors STC