Queensland Building Regulations 2006, Schedule 1, Section 21, para 2
(2) The building work is prescribed if the device is no more than—
- (a) if the device is attached to a building or structure—3.5m above the building or structure; or
- (b) if the device is detached from any building or structure—10m above the device’s natural ground surface.
Click here:https://www.legislation.qld.gov.au/legisltn/current/b/buildgr06.pdf