run (tread depth)
In French: giron
Definition
The horizontal depth of a step, from one nosing to the next. A run that is too short leaves no room for the foot.
Also called
- going
- tread
Other names in French
- profondeur de marche
Sources
CCOHS summarizes the code values: run of 255 to 355 mm.
Escaliers : prévention contre les chutes · Centre canadien d'hygiène et de sécurité au travail (CCHST)