For scaffolds with a working platform height of 4 metres or less, any physically sound & able person may erect a scaffold.For scaffolds where a person or object can fall more than 4 metres the person erecting the scaffold must have a certificate of competency. The minimum number of people who are required to erect a scaffold safely up to a height of 6 metres is 2. Above 6 metres a larger crew size is recommended.
A scaffold used for construction should be inspected before it is used for the first time and every 7 days there after, until it is removed. It should also be inspected each time it is exposed to conditions likely to cause deterioration eg following adverse weather conditions or following substantial alteration.