Government & Infrastructure · North Bradfield, NSW

Anti-climb perimeter for a zone substation

A new zone substation needed a hardened boundary that resisted climbing, carried a barbed topping and kept switchyard equipment visible for inspection.

Anti-climb perimeter for a zone substation
The challenge

A substation perimeter has to do two jobs that pull against each other. It needs to stop someone getting over it, and it needs to let crews see the switchyard for inspection without opening anything up. On top of that, the boundary runs across a mix of surfaces, gravel apron on one side, concrete hardstand at the entry, open ground at the rear, so the same system has to terminate cleanly against all of them.

The solution

The boundary is anti-climb welded mesh, powder-coated black, on matching posts, with barbed topping carried on extension arms above the panel line. The narrow aperture gives no toehold while staying transparent enough to inspect through. Vehicle and pedestrian gates were built in the same system so the entry reads as part of the fence line rather than a bolt-on. Inside the compound, timber post-and-rail delineates plant and access routes where a security barrier isn't needed but a physical edge is.

The detail

Specs & outcomes.

System

Anti-climb welded mesh

Finish

Black

Topping

Barbed, extension arms

Gates

Vehicle · pedestrian

Compliance
Compliant toAS 1725.1AS/NZS 4680
Outcomes
  • Narrow-aperture mesh gives no foothold at any point on the run
  • Switchyard stays visible for inspection through the boundary
  • Gates built in the same system as the fence line
On site

The install.

  • Anti-climb perimeter for a zone substation, image 1
  • Anti-climb perimeter for a zone substation, image 2
  • Anti-climb perimeter for a zone substation, image 3
  • Anti-climb perimeter for a zone substation, image 4
  • Anti-climb perimeter for a zone substation, image 5
  • Anti-climb perimeter for a zone substation, image 6
  • Anti-climb perimeter for a zone substation, image 7
  • Anti-climb perimeter for a zone substation, image 8
  • Anti-climb perimeter for a zone substation, image 9
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1300 944 393

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