"Projektallianzen bieten ein vielversprechendes Modell für komplexe Projekte"
For over 150 years, the SIA has shaped competition procedures in Switzerland to guarantee quality and transparency in the built environment. In response to evolving societal needs and procurement law, SIA regulations 142 and 143 have just been revised. We speak with Laurindo Lietha, deputy head of regulations at the SIA, about these updates and their impact on professionals and competition culture.