Vienna grabs: Mega tube secures drinking water for the future!

Vienna grabs: Mega tube secures drinking water for the future!

St.-Veit-Gasse, 1130 Wien, Österreich - In Vienna something is happening underground! The city has set itself the goal of securing the water supply for the coming years and investing strongly in the infrastructure. New water pipes are currently being laid under the tree garden bridge that supply the city out of the Alps with fresh high source water. This measure is part of a comprehensive renewal that should be completed by July 2025. A section of the historical water pipe from 1895, with a diameter of 870 millimeters, is renewed over a total of 70 meters below the Vienna river to ensure the connection between the Lainz water tank and the Hungerberg container in Döbling. This is how Today .

The construction work started in April 2024 and affect not only the Baumgartenbrücke, but also St.-Veit-Gasse, the Hietzinger Kai and the Hadik and Zehetnergasse. The city relies on close coordination between the water and sewer construction projects in order to keep the costs low and to make general interest. This synergy effect means that improvements take place in several places in the city.

Details on the construction work

Particular attention is paid to laying a envelope tube with a diameter of 1.6 meters below the Vienna river, which is brought into the ground with special machines. The new drinking water pipe itself has a diameter of one meter and will be put into operation in the coming summer months. The work also includes the pressure laying of 23 reinforced concrete pipes, which together weigh 177 tons. This pipes are joined in the so-called Flysch rock and is a technical masterpiece that is supposed to secure the water supply in the long run. Information about the construction site and the work can be found in the Info Center at the Gaudenzdorfer Gürtel, which is open on Thursdays to Saturday.

The investments for this project, which is considered essential to improve drinking water supply and the preparation for the new Wiental Canal, amount to around three million euros. This measure is part of a large -scale renovation, in which a total of 160 kilometers of pipes in Vienna have been renewed since 2021. What exactly does that mean? The route corresponds to the distance from Vienna to Bratislava and Retour, which underlines the dimension of the efforts to secure the water supply to the million city sustainably. So reports OTS .

the look into the future

The next big project is already in the starting blocks: At the beginning of 2026, the renewal of another water pipe from 1910 begins at the Preindlsteg. Here, too, the city will invest in the infrastructure in order to further increase security of supply. This is not only important for the existing structures, but also as a preparation for urban development in the next few years. After all, the city would like to ensure that water supply keeps pace with the growth of the metropolis. A goal that is further advanced by the already ongoing renewal of the 3rd main line north and various other water pipes, as well as from of the Wiener Presse caused.