Sonnenberg Abtwil, St. Gallen
The development comprises five residential blocks with a total of 70 apartments and 105 indoor parking spaces. Some 660 grouted driven piles were installed for part of the foundations below the 140 x 50 m building footprint. Designed by architectural practice Carlos Martinez Architekten AG and located in the center of Abtwil (Canton of St. Gallen), the scheme was built between 2014 and 2016.
Gruner Wepf AG, St. Gallen was entrusted with all design and site supervision services for the basement excavation, incl. slope stabilization, and structural works for the buildings.