Is a CISRS Scaffolding Labourer allowed to work on a scaffold structure, handling materials, whilst the job is being erected, dismantled or altered?

Scaffolding Labourers are only allowed to work from a safe secure position i.e ground, building floor/fully protected roof or a fully completed scaffold platform.

Scaffolding Labourers are not permitted to erect, alter or dismantle scaffolding.