Sustainable maintenance of the wastewater system in Germany

Positive incentives for sewer construction

The functions of wastewater systems are handling, collection and treatment of wastewater. For this purpose, their hydraulic dimensions have to be adequate, and they have to be permanently waterproof due to the appropriately chosen materials. A hygienic, flood-proof and good ecologic status is thus obtained in urban areas. In Germany the connection rate to wastewater sewers, which were built over many generations, is high at present. The status of wastwater sewers is worsening, due to aging and also due to internal und external influences. An annual need for rehabilitation of 2-3% is...

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Issue 02/2014 Selection of pipe and manhole materials for sewer systems

Possible applications of concrete in wastewater treatment plants

The public sewer system existing in Germany has an overall length of approx. 550,000 km being worth about € 680 billion. According to the evaluation of a survey carried out by DWA in 2009 [1], the...

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Issue 02/2019 Special corrosion protection measures

Emscher wastewater sewer

On 24 September 2018, the Emschergenossenschaft (Emscher Cooperative) commissioned the first section of the Emscher wastewater sewer. With an overall length of 51 km, the Emscher wastewater sewer runs...

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Issue 02/2017 Heavy rain management in Vienna, with the example of the Simmering Storage Basin

Crazy weather needs a proper sewer system

In response to the impact of climate change that has also long since become noticeable also in Europe, with extreme weather caprices and heavy rain events that we have been feeling for some time now,...

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Issue 01/2015 Berding Beton

Mobile dry weather channel for sewer rehabilitation

A major part of the German sewer network covering more than 500,000 kilometers is in most urgent need of repair, the cost of which, experts estimate, would run to roughly 50 billion euros, alone in...

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Issue 11/2014 Kleihues Betonbauteile

High-quality sewer with high capacity

Based on a study of the German Association for Water, Wastewater and Waste (DWA), about 17?% of the public sewers in Germany are in need of renovation. The most frequent cause: the high age of the...

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