Scaffolding work is erecting, altering or dismantling a temporary structure erected to support a platform and from which a person or object could fall more than 4 metres from the platform or the structure. Scaffolding work must be undertaken by a person holding the appropriate class of high risk work licence. This definition applies whenever the term 'scaffolding work' is used in this Guide.http://www.yzsuperscaffold.com..../aluminum-scaffold-t