Zaun unveils bespoke perimeter security solution for UK Power Networks in East Anglia

The management team at a power substation in East Anglia have upgraded perimeter security for the location thanks to the installation of CCTV in combination with high security mesh and electric fencing. The UK Power Networks substation is part of the network that generates power from the North Sea gas fields.

The client instructed Carillion as main contractor, who then appointed Newall Civil Engineering to upgrade the security. Newall duly approached perimeter security systems specialist Zaun to design, manufacture and install a bespoke solution that would secure the site under a contract valued at £80,000.

In practice, Zaun had to devise three specially-developed, five metre-wide double gates (two of which form a ‘vehicle lock’) for the site, complete with cantilevered outward-opening secure hinges completely hidden from outside the gates.

The perimeter consists of Zaun’s HiSec Super6 security fencing, which uses a popular ‘358’ welded close mesh configuration that makes it difficult to climb or cut with anything other than power tools.

For good measure, Zaun added heavy duty 15 mm-thick base plates throughout with anti-tamper flanges on anchor bolts to secure the fencing to the ground, while the 3.2 m-high fence has been topped with Gallagher’s electric fencing to create a system that stands at a height of 4.4 metres in total.

In addition, the site now benefits from automated CCTV cameras around the perimeter to further discourage would-be intruders and provide early warning to security patrols of any attempted breach.

Alternative temporary security cordon

In addition to this project work, Zaun has just launched its latest rapid-deploy high security fence.

The AssetGuard is an alternative to Zaun’s SecureGuard, which was used at last year’s Nuclear Security Summit in The Hague, at the 2014 Glasgow Commonwealth Games and for the NATO Conference in South Wales.

SecureGuard was developed specifically for the 2013 G8 Summit in Northern Ireland in tandem with crash barrier expert Highway Care. SecureGuard is a mobile high security range of products all tested to PAS 68:2010 to withstand multiple attacks by a 7.5 tonne truck at speeds of 20, 30 and 50 mph without them breaching the security perimeter.

The AssetGuard has been developed with Asset International, a subsidiary of Hill & Smith, which manufactures and supplies specialist safety barrier systems throughout the world (including the FlexBeam, FlexBeam Plus and Hi-Flex barriers for highways, motorways and dual carriageways, all of which are tested to EN1317).

The Varioguard barriers used on AssetGuard are just under 4 metres (compared to 12 metres on SecureGuard), meaning that they can handle ground undulations more easily. The fence posts are secured to the barrier by a new adapter plate bracket, while bolts have been added at right angles to the barrier to brace it and facilitate lifting into place.

The high security ‘cordons’ have been in-house mob tested to ensure they will repel would-be attackers and still maintain a secure perimeter. Both can be rapidly installed and are ideal alongside public access perimeter road networks.

They’re also ideal solutions for applications like utility plants as no below-ground foundations are needed. They can be used on both soft and hard standing surfaces. They give protection up to 3.5 metres in height and can incorporate above-ground foundation pedestrian and vehicle gates, turnstiles and access portals along with CCTV columns and PIDS.

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