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Feature


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expected


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Promoted Benefits simpler


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technology


Addressing the drawbacks, the latest 2021 iteration of BS 8418 (covering the design, installation, commissioning and maintenance of detector-activated VSS) makes several major changes. Key among these is the introduction of a two-tiered risk-based approach: ‘Type A’ and ‘Type A+’ systems.


• ‘Type A+’ enhanced level systems are designed to suit higher risk industrial, military, utilities and other similar sites. These continue to use similar technical and installation requirements as the previous (2015) version of BS 8418.


• The new ‘Type A’ level sets minimum recommendations for systems, based on a site threat assessment and risk analysis.


In essence therefore, a ‘Type A+’ system design includes additional security features, while a standard ‘Type A’ system involves the use of image transmission to alarm receiving centres (ARCs) and dedicated remote video response centres (RVRCs), with alarm verification operators at these centres screening out false alarms using recognised detection techniques.


Importantly however this does not, by any means, represent a ‘watering down’ of requirements for lower risk sites. These must still meet prescribed technical standards for operations, including detection and alarm transmission. In some cases sites may already benefit from pre-existing security measures, including building intruder alarms. Adding a BS 8418: 2021-compliant surveillance system will provide further complementary protection.


requirements of ‘Type A’ systems will encourage significantly greater use of remote video monitoring. In this way, BS 8418: 2021 compliance will further help reduce false alarms and the number of 999 emergency calls being made, both of which put pressure on the police and divert resources away from genuine incidents.


The new two-tier arrangement can help VSS system providers install and maintain systems better tailored to their specific circumstances and therefore more efficient. Additionally, with the Standard being more performance-outcome focused, system providers are enabled to deploy innovative solutions more readily – helping facilities managers and other end users to realise the security benefits.


For a VSS to be allocated a police URN, it must be installed and maintained by a company independently approved by a UKAS- accredited Certification Body such as NSI. As is generally the case with an edition of a standard, approved companies have a transition grace period to give them time to adapt.


In this case NSI has set a 12-month transition period for its approved companies, ending on 31st July 2022. During this period new installations can comply with either the 2015 or 2021 edition of BS 8418.


Conclusion


Recent significant efforts to finally realise the tangible, but largely latent benefits of video surveillance alarm monitoring are contained with this newly published update of BS 8418. For FM’s and others addressing security needs, the opportunities this technology offers can now be exploited to the full.


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