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Sloped Barrier
The image shows how measurements must be taken perpendicular to the sloping surface, not vertically.
The NCZ 1 and the effective height of the barrier must be maintained when a barrier is sloping, so in order for measurements to comply they must be measured perpendicular from the top of the barrier.
Standards -
![](https://cdn.prod.website-files.com/6525d8be15e1a6efec85fb6c/6543324c245b6559b9eb7afe_icons8-australia-48.png)
Australia
State(s)