Mechanical protection of underground lines above the ground on public land and on private land not owned or leased by the owner of the line
221 Mechanical protection of underground lines above the ground on public land and on private land not owned or leased by the owner of the line
Any portion of an underground line on public land or on private land not owned or leased by the owner of the line that is at or above the surface of the ground must be mechanically protected from the point 300 millimetres below where the line exits the ground to a height of 2400 millimetres from any surface accessible to the public.
The mechanical protection must be one of the following—
a cable guard made of mild steel of 2⋅5 millimetre thickness for a high voltage underground line and 1⋅6 millimetre thickness for a low voltage underground line and galvanised in accordance with AS/NZS 4680 and AS/NZS 4792;
a galvanised steel tube that complies with AS 1074.
This regulation does not apply to negative conductors.
Note
Section 46 of the Act generally prohibits the construction of electric lines on public land unless an exemption applies.
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