Powered gates: Ensuring powered doors and gates are safe
Powered door and gate safety is not just about the individual components making up the product, but about the way they are combined together to fit a particular set of circumstances, and what is done over time to maintain safety.
At all times a powered gate must respond in a safe way when any person interacts with it. It's design must take into account that foreseeable interactions may go well beyond normal use (eg children playing around or with / on the powered gate), as well as normal wear and tear, and adverse environmental influences, particular wind and rain / snow and other debris that can impair function.
Read the full article here: https://www.hse.gov.uk/work-equipment-machinery/powered-gates/safety.htm