Safety & Security From previous page
Using fire alerts for
lockdown can lead to confusion as to
whether the alarm means evacuate or stay put.
Nexus solution The Nexus system is an alternative which offers battery powered units which can be deployed anywhere. They offer an audible AND visual alert to pupils and staff and are distinguishable from fire alerts. The Nexus Lockdown system comprises battery operated units which can be quickly installed on the school site over a weekend or even at the end of the school day, thus minimising disruption to the learning environment. Battery life is around three years. A maximum of 64 units can be installed per site, up to 1km apart. When one NEXUS unit is activated it will trigger all units in range to sound an audible alert or lockdown message, accompanied by a flashing beacon light. Both internal and external variants are available and decibel levels can be adjusted accordingly. NEXUS units can sound a variety of alerts to differentiate them from a fire alarm – there are 32 sounds to choose from. Alternatively, an annunciator variant can be ordered which has a built-in strobe. There is a standard lockdown message or the school may wish to record their own.
hand held device purely for lockdown or emergencies, relying on personal phones is pretty much a no-go area. The school has no authority or control over usage and there would be problems surrounding battery usage or signal.
Handheld devices
Another option is handheld devices issued to personnel which can be used to alert staff to a variety of problems, not just lockdown events. However, these systems generally rely on colour coding to inform users of the type of event and could be open to misinterpretation. They are also reliant on staff wearing or carrying the devices at all times and keeping them charged.
20 | electrical wholesalerAugust 2020
Whilst all schools will consider the safety of pupils and staff a top priority, budget restrictions for a lockdown system will be an issue. It is vital that the school carry out a regular fire and security risk assessment of the premises and review it regularly. Staff should be made aware of potential risks and subsequent mitigating measures that are in place and know the differences between a fire alert (meaning evacuation) and a lockdown alert (meaning stay on the premises and make your way to your classroom or nearest place of safety). It is vital that whatever system the school chooses, the operation and policy behind the system is communicated to all members of staff.
ewnews.co.uk
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