The SIA‘s widely-applied body of standards provides recognized and indispensable regulations for planning and construction in Switzerland. The Society continuously reviews, revises and updates the standards and supplies information about their application.
The standards and the corresponding codes of practice and documentation are drawn up on the basis of parity by planners, building owners, contractors, suppliers and public authorities, universities and colleges.
t +41 44 283 15 05
All SIA publishing products in printed and/or electronic form.
|Coefficients z 2017||Z1||Z2|
|Architects, SIA 102||0.062||10.58|
|Civil engineers, SIA 103||0.075||7.23|
|Landscape architects, SIA105||0.062||10.58|
|Building installations, SIA 108||0.066||11.28|