News
Route de Fey: Road surface repair 24.05.2023
Nendaz (VS) – The roadway was given a new 6 m wide clearance gauge to allow vehicles to cross at 50 km/h. HOLINGER supervised works such as the redesign of the cross dips, the creation of a new clean water system and the...
As part of the expansion of the Zurich northern bypass, following the construction of the third tunnel through the Gubrist hill, the renovation of the two existing Gubrist tunnels is also planned. HOLINGER AG received the testing...
As part of an engineering consortium, HOLINGER planned and built the Chrätzere Road Water Treatment Plant (RWTP) on the A1 between Kirchberg and Kriegstetten. The construction of the RWTP includes a 1,000 m3 retention basin, an...
Biber valley 450 ha irrigation project 17.04.2023
Agricultural land in the three communities of Buch, Hemishofen and Ramsen has been irrigated from the Biber for over 50 years. The Biber is a small fish stream, that discharges into the Rhine. For the Biber to better serve as a...
Greywater use 12.04.2023
Reusing greywater could save a significant amount of fresh water. Greywater is slightly contaminated wastewater that comes from sinks and showers in the bathroom or dishwashers and sinks in the kitchen. After minimal treatment,...
A stream as a green corridor 03.04.2023
The Büelhältlibach stream, which flows from the upper area of Herrliberg down to Lake Zurich is going to be upgraded as a green corridor. Despite the limited available space, HOLINGER was able to implement the concept for the...
As part of the ‘al galett’ consortium, HOLINGER has designed the wastewater pre-treatment of the new railroad depot of the Swiss Federal Railways (SBB), which is being built in Arbedo-Castione (TI). The new process is designed to...
Jungholz Uster WWTP - milestone reached 06.03.2023
At the beginning of January, the visual leakage test of the two digestion towers was successfully completed together with the client and the AWEL (The Cantonal Department of Waste, Water, Energy and Clean Air of Zurich)...
Thank you for being part of our story 01.03.2023
We are celebrating 90 years of HOLINGER AG and want to say thank you to our employees, customers and partners. Our history is a tribute to the innovation, know-how, pioneering spirit and experience of our people. We are proud of...