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On 8 May 2019, an official ground-breaking ceremony was held to celebrate the second ozonation facility in Baden-Württemberg. Over the next two years, the fourth treatment stage for the protection of the Neckar river will be...


The Finkenaue, a road in Olbernhau near Dresden, had to be renovated along a 240 m section. The project included work on the drainage systems and the replacement of a culvert over the Rungstockbach stream. The new construction...


The banks of the Aare river in Olten, Trimbach and Winznau, had been eroded and washed out in places and needed securing. Wooden casings made of tree trunks and rocks now support the river banks. The root systems of newly planted...


The Mendrisiotto region needs a comprehensive water supply solution. Since 2005, the Cantonal Water Supply Planning Department (PCAI), has been planning a lake water plant in Riva San Vitale, from where water from Lake Lugano...


In view of the plans to refurbish or renovate the Pestalozzi school, HOLINGER Luzern investigated the building structure and tested the indoor air. The main focus was asbestos, formaldehyde, naphthalene and polycyclic aromatic...


The groundbreaking ceremony for the renovation and extension of the WWTP Basel was held on 23rd  January 2019. It marked the start of the largest and arguably most important sewage treatment plant project in Europe. By 2024,...


The city of Winterthur has built six rainwater basins to prevent major overflow from the Mattenbach and Eulach rivers in the event of excessive rainfall. The completion of the Talacker 1,800 m3 rainwater basin concludes the...


HOLINGER assists the Canton of Glarus with natural hazards risk management, a commission encompassing various projects. The first of these involved conducting a risk analysis for the entire cantonal territory. The results from...


HOLINGER is working together with geo7 and GeoAlp, on behalf of the Kempten Water Management Authority, to develop a holistic stream development concept for the Reichenbach in Allgäu. A system analysis of the entire catchment...