News Projects

Enamelling – secret ingredient for successful use

Enamelling – secret ingredient for successful use

Today, more than 130 million m³ of purest drinking water flow annually through a 1,700 km long pipeline network from Lake Constance to the Odenwald forest. The 183 members of the Zweckverband Bodensee-Wasserversorgung (towns, municipalities and other special-purpose water supply associations) supply 320 municipalities ...
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100 cast iron drinking fountains combat the plastic bottles

100 cast iron drinking fountains combat the plastic bottles

With the presentation of the “Blue Community” certificate on 23 October 2018 Berlin has officially received the Blue Community designation. With this certificate, presented to the Berlin Senate, the City subscribes to the principles of a Blue Community, thereby committing itself to the following four principles ...
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Circulago – Heating and cooling from the waters of Lake Zug

Circulago – Heating and cooling from the waters of Lake Zug

Circulago is a future-oriented project to supply the town of Zug and the southern part of Baar with environment-friendly heating and cooling energy derived from the water of Lake Zug. With the so-called people’s initiative “2000 Watts for Zug” with the aim of developing the values of a 2000 Watt society ...
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Interim pipelines in ductile cast iron are the best

Interim pipelines in ductile cast iron are the best

When supply pipelines or sewage systems still in operation need to be replaced, renovated or even repaired, the engineering involved for ensuring a secure supply or disposal service in the meantime is not to be underestimated. In branched local networks supplying drinking water, the section concerned can usually be closed ...
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SkiWelt Brixen im Thale equipped for the future

SkiWelt Brixen im Thale equipped for the future

In July 2018, a construction project was started in Brixen im Thale in preparation for the major Zinsberg cable railway planned for next year. During the course of this construction work, the existing snowmaking pipeline is being rerouted and its pipe dimensions enlarged ...
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Turbine pipeline for the Seebachschleife hydropower plant

Turbine pipeline for the Seebachschleife hydropower plant

Seebachschleife is located in the municipality of Bayerisch Eisenstein in the Regen district of Lower Bavaria, Germany. As far back as 1934, the glassgrinding factory in Seebachschleife – now a listed building – was using water power as its energy source. In 1997 the hydroelectric power plant changed hands ...
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Energy from water – clean electricity for Dorfgastein

Energy from water – clean electricity for Dorfgastein

The Austrian Federal Forestry Office (Österreichische Bundesforste AG or ÖBf) has special responsibility for the natural resources and habitats of the Republic of Austria. Sustainability is the number one principle here: only take out as much as grows back. In order to be able to supply around ...
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1,900 m of ductile iron pipes

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

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

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)

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

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

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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Portable line at Berlin Tegel Airport

Portable line at Berlin Tegel Airport

BLS makes it possible In the vicinity of Berlin Tegel Airport, Berliner Wasserbetriebe (BWB) is planning to renovate a DN 1000 sewage pressure pipeline. During the construction phase the section of pipeline will be taken out of operation and additional measures will...

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Expansion equalisation on slippery slopes

Expansion equalisation on slippery slopes

Ski resort Ehrwalder Alm (Austrian, Tyrol) In the Ehrwalder Alm ski resort (Austrian Tyrol) various development and extension projects are currently underway. Firstly, the pistes are being extended and consolidated. And secondly the snowmaking equipment is being...

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Technical snowmaking systems

Technical snowmaking systems

Snowmaking equipment for Bergbahnen Westendorf The last winters proved it: natural snow occurring later and later along with ever shorter periods of cold weather are putting new demands on technical snowmaking systems. Therefore Bergbahnen Westendorf is currently...

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Supervised drinking water network

Supervised drinking water network

vonRoll hydro: Catcher Monitoring System  While quality parameters of drinking water used only to be measured in the untreated water and at the waterworks, as well as after treatment, these days data on the complete infrastructure right through to the house connection...

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Drinking water pipeline in Fribourg

Drinking water pipeline in Fribourg

Replacement of a drinking water supply pipeline in the canton capital of Fribourg On one of the most important traffic corridors in the city, the Boulevard de Pérolles, between the main railway station, the city centre and the university it became necessary to replace...

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Cross-border drinking water supply

Cross-border drinking water supply

Joint effort to secure cross-border drinking water supply The region of Vienna (A), Györ (HU), Bratislava (SK), Sopron (HU) and Eisenstadt (A) are developing dynami-cally socially, economically and in terms of tourism. So that, together, they could secure their water...

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Pipes for the installation in utility tunnels

Pipes for the installation in utility tunnels

Again pipes with BLS® score In some parts of Berlin-Tegel Airport the fire-extinguishing water system was in need of renovation. Ductile iron pipe systems were used, installed in the utility tunnel under the circular airport building. This meant that disruptions to...

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auch verfügbar/also available: German