News

1,900 m of ductile iron pipes

Burst lining technique The water supply association for the city and district of Offenbach (ZWO) supplies a total of 14 towns and communities with all or part of their water requirements from six of its own waterworks. The association operates long-distance supply...

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Renewal of the drinking water supply in Val Terbi

Swiss Canton of Jura In the Swiss Canton of Jura, to the east of the Canton’s capital of Delémont, a merging of municipalities on 1st January 2013 joined the three villages of Vermes, Vicques and Montsevelier to become the political municipality of Val Terbi. It was...

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Resistance to root penetration

Ductile iron pipe systems: “Root penetration in sewers” is known to be an obstacle to flow from the camera inspections regularly carried out inside piping systems. In private drains, root penetration often only becomes noticeable when blockages and backing up occur,...

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Stream renaturation in Villmergen (Canton of Aargau)

Relocation of a DN 400 transport pipeline The community of Villmergen lies in the South-East of the Swiss Canton of Aargau and is particularly famous as the site of the historic battles in the two religious wars of the Swiss Federation (the “battles of Villmergen”) in...

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30 years of ductile cast iron driven piles

On the occasion of a technology transfer (licence agreement) between the companies Tiroler Röhren- und Metallwerke AG and AB Gustavsberg in 1986, the ductile driven pile came to Austria, where its history of success began. 7 million metres have been produced in 30...

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Rerouting of a drinking water pipeline

Grey cast iron pipelines in a groundwater protection zone replaced  The municipality of Fehraltorf is a suburb of the Swiss cities of Zürich and Winterthur. Together with the supply of water to the adjacent districts of Illnau-Effretikon and Russikon, water for...

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