BS EN 17109:2020,Mountaineering equipment – Individual safety systems for rope courses – Safety requirements and test methods.
This document specifies safety requirements and test methods for components of an individual safety system for protection against a fall from height used in permanent and mobile rope courses as defined in EN15567-1.
The products considered in this standard are not intended to limit, by themselves, the deceleration of the fall of the user, as defined in EN 15567-1 For this requirement, it is essential to consider the whole ropes course system.
Safety lines and harnesses are not covered in this standard.
For MCD with pulleys, when tested in accordance with 5. 3. 2, the pulley wheel(s) of the MCD shall be able to rotate 10 times in both directions (see Figure 6).
If the MCD is one-directional, then the requirement is only for the intended direction.