THE SCIENCE OF SIMPLICITY


The rudiments of exit and entry are rooted in the most basic principles. But it’s the deeper thinking behind the scenes that keeps them at the cutting-edge


PERIMETER FENCES N 24 | BACK TO CONTENTS


Nothing says security more than a robust perimeter fence. Taller, thicker, topped with razor wire or electrifi ed and patrolled, they’ve traditionally been the ultimate blend of the physical and psychological.


Even in recent times, as recently as the turn of the Millennium in fact, they were merely passive structures of chain-link mesh under the watching eye of CCTV cameras that relied on human operators to spot breaches in real time. Today, they’re part of a $92 billion industry driven by


the sort of hi-tech solutions that have elevated them from physical barriers to smart, self-analysing detection zones incorporating the likes of fi bre optic sensing. Gone are the days of delay and discourage, an emphasis on hindering an intruder long enough for them to be detected before the fence could be climbed or cut. In its place came an approach summarised as prediction and verifi cation, neutralising the threat ahead of intrusion and replacing standard chain-link with high-density welded


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