Gates are installed on the scaffold access/egress points.

(i.e. workers are not climbing over guardrail or swinging themselves around the end frames to gain access/egress)

Okland

Subpart L (14) pg 38

Scaffolds equipped with guardrail at their access/egress points shall have an access/egress gate that opens onto the platform at each point of access/egress. Climbing over/under/around the guardrail as a means of access/egress is prohibited.