What it contains
Employers or self-employed people performing the following construction excavation or trenching work must send this form to WorkSafe at least 3 days before starting:
- a trench if the excavated depth is more than 1.5 metres
- a shaft if the excavated depth is more than 2 metres
- a tunnel (If the construction excavation will be big enough for a person to enter, or if the excavation is a risk to anyone’s health and safety.)
For further information on excavation works refer to; the Excavation compliance code or contact WorkSafe's Advisory Service on 1800 136 089.