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The Lainzer Tunnel is a two-track railway tunnel that runs right under the districts of Meidling, Hietzing and Penzing. What I find special about the tunnel is, on the one hand, the way it was constructed, because the tunnel had to be built just a few meters beneath the residential buildings. Then there are the starting shafts in Hofjagdstrasse, Lainzer Strasse and Klimtgasse, which was a real masterpiece of civil engineering. And on the other hand, a system was installed in the tunnel that can generate energy for buildings. I'll show you how the system works and where it is installed in this video! Have fun! LAINZER TUNNEL: Length: approx. 12.8 km Districts: 12th district (Meidling), 13th district (Hietzing), 14th district (Penzing) East portal: just before the Meidling stop West portal: between the Hadersdorf stop and Wolf in der Au Emergency exits: 28 pieces Construction method: open construction, closed construction Types of tunnelling: elm tunnelling, dome tunnelling - - - My other social media pages: ✅INSTAGRAM: https://www.instagram.com/bernhard_re... ✅FACEBOOK: / rennhofer.bernhard ✅LINKEDIN: / b-rennhofer - - - #lainzertunnel #tunnelbau - - - My name is Bernhard Rennhofer and on my YouTube channels I try to give you an insight into the world of construction. Here on my main channel, everything revolves around the construction and operation of buildings in practice. These can be my own projects from my work as a civil engineer, but also projects that fascinate me outside of my job. I hope that I can inspire you with the videos about the topic of construction sites. If you have any questions or suggestions, please feel free to leave a comment or send me an email. Enjoy the videos!