Physical Security

Mobile hostile vehicle mitigation

by Mark Rowe

Rosehill Security and Zaun Limited have combined rubber hostile vehicle mitigation (HVM) barriers with fence panels developed for the London 2012 Olympics, to produce a crash-rated fencing and barrier system for deploying rapidly.

The ImpaktFence is an integrated IWA14 crash-rated fencing and vehicle security barrier (VSB) HVM perimeter security system developed between Rosehill and Zaun. The surface-mounted ImpaktFence can be deployed for temporary or permanent security, as a part of overall protection from hostile vehicle attacks.

Kirstie Emptage, Rosehill Security’s business manager, said: “The ImpaktFence is so robust and versatile that it can be installed almost anywhere in minutes, removed and used again and again.”

The barrier is amde from solid 1m cubed rubber blocks, which at 430kg each, weigh one third of similar concrete VSBs. Blocks are connected by steel securing cables, which can be anchored, providing the flexibility to protect entrance areas and site perimeters against vehicles used as weapons.

The shape with its large footprint has been specifically designed to block vehicles. The ImpaktFence has been impact-tested to IWA 14-1 specification, stopping a 7.2 tonne N2A lorry travelling at 30mph (48kph).

The IWA14 rating specifies the essential impact performance requirement for a VSB and a test method for rating its performance when subjected to a single impact by a test vehicle not driven by a human being.

The 100pc-recycled rubber blocks incorporate integrated 80mm x 40mm steel fence posts. The posts, at 2060mm centres, hold Zaun’s HiSec anti-climb mesh, providing a perimeter – while CCTV, anti-intrusion detection and fence toppings can also be incorporated into the installation.

Zaun research and development manager Adam Christie said: “With no below-ground foundations, this system can be deployed on soft and hard standing, so will be ideal for utility plants, construction sites and temporary events and venues.”

The new barrier and fencing can be supplied in corporate livery and event branding.

About Rosehill Security

It manufactures engineered rubber vehicle security barriers and perimeter security products. Requiring no foundations, its surface mounted systems can be deployed as temporary or permanent security. Part of the Rosehill Polymers Group, it manufactures to ISO 9001:2008 standards and is a member of Perimeter Security Suppliers’ Association (PSSA) and Secured By Design. Visit: www.rosehillsecurity.com.

About Zaun Limited

Zaun makes the mesh, fencing panels, posts, clamp bars and fixings at its five-acre factory in Wolverhampton in the West Midlands. Zaun works with fencing contractors to design, manufacture and supply fencing systems, increasingly often providing expertise in integrating CCTV, PID and other systems into holistic security. Zaun was founded in 1996 and remains a private company solely owned by co-founder Alastair Henman with a regional office in Dubai. It manufactures to ISO 9001:2008 standards and is a member of the ethical supply chain initiative, Sedex. It is also a member of the Perimeter Security Suppliers’ Association (PSSA), of which Henman is a director.

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