Since autumn 2019, Grundbauberatung-Geoconsulting AG has been carrying out extensive investigations at a polluted site in Altstätten, focussing on the PFAS group of substances (perfluorinated and polyfluorinated chemicals), which has only recently become a topical issue in the field of contaminated site management.
On behalf of the canton of Appenzell Ausserrhoden, we are currently carrying out investigations in connection with the large-scale landslide there.
Nine buildings with up to four upper floors are being built as part of the projected redevelopment of the city saw mill area in St. Gallen. In April 2022, Grundbauberatung - Geoconsulting AG was entrusted with supervising the geological, geotechnical and hydrogeological investigations for this project.
In connection with a new building project on the corner of Badenerstrasse and Segnesstrasse in Zurich-Altstetten, we were commissioned to carry out the building pollutant analysis and specialist supervision for the pollutant remediation of the existing buildings.
After previously unknown fillings which showed arsenic contamination, among other things, were found in the Hennimoos area in Diepoldsau during construction activities in 2015, which showed arsenic contamination, among other things, numerous contaminated site investigations were subsequently carried out by another specialist office. In the further course, we were finally called in by the Cantonal Office for Environment as contaminated site consultants and carried out the following work in 2020 and 2021: