Fencing by Golde

GOLDE standard specification (for residential acoustic fence)

Height: approximately 2.4 m to 3.0 m (depending on noise source, distance, elevation)
Posts: treated timber or galvanised steel, deeper embedment/foundations than standard fence.
Rails: e.g., 3 rails of treated pine (or more if height exceeds 2 m) — example: rails 75×50 mm treated pine for a timber-acoustic fence.
Boards or Palings: vertical treated pine boards butted together (no gaps), typically heavier boards than standard fence. “heavy acoustic” 15 kg/m².
Sealing: Acoustic seal at panels/joints and at bottom (to prevent sound egress) as required in specification.
Material durability: Treated timber, corrosion-protected steel, etc so the acoustic performance is maintained over life.
Consideration of drainage, maintenance, gaps, vegetation etc: e.g., fences shouldn’t impede drainage, avoid ponding, must avoid gaps underneath etc

Star pickets spaced every 2.5 m (so ~20 spaces over 50 m, ~22 pickets including start/end).
End/strainer posts at each end of run, and at any change of direction, ~every ~100 m for longer runs (not needed for just 50 m aside from ends).
Height of fence: 1.8 m (mesh height).
Top barbed wire (or top plain wire if preferred) above mesh.
Mesh fixed to star pickets, tie-wired every ~300 mm down the picket.
Bottom of mesh ~50–70 mm off the ground (or optionally buried ~100 mm if you want dig-proof).
Gate post and gate excluded in the 50 m run but leave space if required.

Basic standards for a Koala proof fence:

The fence must be both dog-proof and koala-proof.
Fencing must be a minimum 1.8 m high in the context of koalas (and higher when also dog-proofing 2.4m high) where an infrastructure action is being assessed.
There must be a minimum 50 cm wide scratch panel (on the outside of the fence) that prevents koalas climbing over.
It must be positioned 3 m clear of any retained trees or overhanging branches that koalas could use to bypass the barrier.
There must be a permanently funded maintenance plan / monitoring arrangement in perpetuity.

Koala‑Sensitive Design Guidelines Version 2 (Queensland Dept. of Environment & Science):

A summary of “koala exclusion fencing” (i.e., fencing that prevents koalas entering areas where they are at risk).
For example, fencing using metal sheet, timber without gaps, or chain-wire plus a “floppy top” or 600 mm exclusion element on top if using chain wire.
The top of the ‘unclimbable’ section of the fence is to be at least 1.5 m from the ground in one example.

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