As safe as houses


With today’s real threat of terror attacks and organised crime affecting an increasingly diverse range of establishments such as cash depots, government buildings, bonded warehouses, military sites and other critical national infrastructure, Bristorm by manufacturer Hill & Smith Ltd., has an extensive range to enable it to meet the many different needs of existing and potential clients with bespoke security solutions.


Bristorm is now recognised as ‘top of the range’ in the anti-vehicle market thanks to the range’s innovative design, flexibility and cost effectiveness. Also, crucially, the provision of different levels of security for different levels risk, all tested to BSI PAS 68.


“All too often sites end up with anti- vehicle fencing that is over specified and therefore much more costly than necessary,” says Simon Box, Bristorm product manager. “For a single security product such as a gate or blocker the cost implication of over specification is relatively minor. But when you’re looking at a full perimeter a significant amount of money could be wasted if the level of protection installed is way more than the threat assessment identifies.”


Testing to BSI PAS 68 costs upwards of £20,000 per product, so many manufacturers develop and produce a single higher rated product and promote it as ‘one size fits all’. In contrast, Bristorm has developed and tested four versions of its anti-vehicle perimeter fencing to provide four different levels of security.


“Everyone’s familiar with BSI PAS 68 which helps us understand what a product is capable of, but BSI PAS 69 is considerably less well known though equally important,” continues Simon


Winter 2010


Box. “BSI PAS 69 sets out guidance on how to select, install and use vehicle security barriers as part of a broader security strategy. A wider knowledge of this throughout the security sector would not only help ensure sites are properly protected but also help avoid the unnecessary costs of over-specification once a site’s security requirements are known.”


The Bristorm fence has proved to be so cost effective that, though designed to be a permanent product, it was installed on a ‘temporary’ basis around a government building in Central London.


Bristorm fence has been developed and tested to four security levels, to stop a 7,500 truck travelling at 30, 40 and 50mph respectively. As well as a lighter weight version designed to meet the threat posed by 4x4 vehicles which could threaten perimeter sections accessible only by crossing rough agricultural land. These options compliment a range of crash- rated gates, blocker and bollard systems.


The Bristorm Arrestor is a free- standing demountable anti-vehicle


fence that saw its first installation at the G20 summit in London in March 2009, when it was deployed around a large site in London as part of the Metropolitan Police’s security measures. The product, tested to BSI PAS 68, is deployed within hours of arrival, thanks to its unique ‘no dig’ feature.


“Professional assessment of the threats faced by any site is the most important part of the process” says Simon Box. “Working with manufacturers where you can mix and match without compromising the level of security, means that savings of 30- 50 per cent are achievable.”


Working with Bristorm at the design stage ensures the best level of protection is put in place and, where possible, cut some costs as we do it as we are able to advise about what elements can be removed if they’re superfluous to the level of security needed.


“The result is a truly efficient perimeter in terms of both task and cost, that’s tailored to the specific requirements of a single secure site.”


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