Assistive products for blind and vision-impaired persons. Tactile walking surface indicators Ingestion-build-63114 The main changes with respect

The main changes with respect to the previous edition are:

Environmental management teams

Clause 12 revised to include the recommendation for internal and external fire stopping to maintain the switch room fire compartmentation and the need to cater for the thermal expansion of the cable protective enclosure

What is BS EN 50600‑4‑2 about

Assistive products for blind and vision-impaired persons. Tactile walking surface indicators Ingestion-build-63114 The main changes with respectWhat is this standard about? This document provides product specifications for tactile walking surface indicators (TWSIs) and recommendations for their installation in order to assist in the safe and independent mobility of blind or vision impaired persons. This document specifies two types of TWSIs: attention patterns and guiding patterns. Both types can be used indoors and outdoors throughout the built environment where there are insufficient cues