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As part of his master's thesis at ETH Zurich, a student working at HOLINGER has created an integrated model of the drainage system and the Buchs-Dällikon WWTP. With the SIMBA program, various management strategies were modeled...


On Burgstrasse in Thun, a building with four underground parking floors is under construction. HOLINGER did the geological groundwork for the 13 m deep excavation that was made using the diaphragm wall method. For this purpose,...


Tight spaces require innovative solutions. This also applies to the Birsig WWTP. The plant was last rebuilt in 1997, and will now be extended to cope with further operation until 2045. HOLINGER's project involves a micro-sieving...


In Muri the drains system in the​ Pourtalèsstrasse - Bodenacker area are being improved. The core of the project is a double-flow vortex dropshaft, designed to handle a water volume of around 4.5 m3/s. The inlets and outlets of...


The Upper Wiggertal WWTP was built in 1975 and expanded in 1999 for the first time. Nearly 20 years later, it is time for the next stage of expansion. HOLINGER designed a master plan that evaluates the future requirements, and...


On Thursday, April 26, 2018, HOLINGER organized a customer event on the topic of wastewater at the Oberwynental WWTP in Reinach in the canton of Aargau. Over 100 guests were taken on a tour of the new treatment plant with its...