When is climbing scaffolding cross braces permitted?

Climbing on scaffolding cross braces is generally not permitted, as they are designed to provide stability and support rather than serve as a means of access. Some regulations may allow for climbing on cross braces only if they are specifically designed for such use and clearly marked as safe for that purpose. Always consult relevant safety guidelines and regulations, such as OSHA standards, before attempting to climb on any scaffolding elements. Proper access points, like ladders or stairways, should be used instead.