In many urban or industrial settings, soil excavation is not practical due to pavement, rock base, or structural constraints. In these cases, chain wire fencing with bolt-down footplates offers a secure, non-invasive solution. These modular systems can be deployed on concrete, asphalt, or compacted substrates, delivering full perimeter security without deep-set posts.
Using bolt-down footplates allows for rapid installation, repositioning, and minimal surface disruption. This method is ideal for temporary installations, leased sites, and locations with utility infrastructure beneath the surface. In Melbourne’s inner-city transport hub, footplate-mounted chain wire fencing was installed around transformer pads to meet safety codes without excavation.
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The footplate must match the load-bearing capacity of the substrate. According to ASTM E488, anchoring in concrete must withstand uplift, shear, and torque loads. Bolts should be wedge or chemical type depending on surface hardness. Plates are typically laser-cut steel, powder-coated for corrosion resistance per ISO 12944.
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Standard chain-link mesh is tensioned across posts bolted directly onto the footplates. These posts must resist lateral force and should include gussets or bracing for high-security zones. The ASCE guidelines for fencing in transportation zones recommend shock-resistant post anchoring for high-traffic areas.
Footplate designs can include integrated drainage channels or sloped geometry to prevent water pooling. This is critical in loading docks and parking structures. Where concrete is old or damaged, base epoxy fillers are used prior to anchor insertion. In one Doha facility, flexible fencing with bolted bases was installed on cracked asphalt using self-leveling repair resin.
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At a rooftop solar inverter station in Singapore, excavation was not permitted due to membrane roofing. Engineers used 150mm x 150mm footplates with four-bolt anchors per post. Tensioned chain-link mesh was mounted up to 2.4m high, with integrated anti-climb brackets. The system met ISO 21932 facility access safety codes and local seismic load specs.
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