Sia Norm 500 |link| Download -

Tactile ground information, high-contrast markings, and appropriate lighting are required for sensory accessibility.

Accessibility measures should be incorporated during the initial design phase, not added as an afterthought, which significantly increases costs. sia norm 500 download

Thresholds at entrance doors should ideally be eliminated. If unavoidable, they must not exceed 25 mm, with specialized thresholds (e.g., beveled metal) allowed, per. Tactile ground information

SIA 500 (also known as SN 521 500) has been the mandatory standard in Switzerland since January 1, 2009, replacing the previous 1988 standard. Scope and Applicability The standard covers three main areas: not added as an afterthought

Hospitals, schools, museums, restaurants, shops, and transport hubs.