Fire Alarms

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Fire Alarms

As you would expect all installations are to BS5839 standard with Preventative Maintenance contracts and a 24 hour service department.
Whatever your fire protection requirements, CIA 2000 offer a wide variety of solutions to meet your needs – from the simplest 2 zone conventional panel to a complex network of multi-loop digital addressable systems. We provide a complete service – from design, installation and commissioning, right through to hand-over and after care – plus a comprehensive service programme. All of our fire services comply with BS 5839-1-2002.
Fire Alarms come in 2 main types, conventional and addressable with a combination of manual call points, smoke detectors and sounders to achieve safe egress from a protected building.

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In an L1 System, all areas of the building should be covered. It is normal not to cover the following areas: Lavatories and Water Closets unless they contain electric hand dryers Voids less than 800mm in height.

Coverage of L2 systems depends on the vulnerability of the likely occupants and the probability of ignition of fires, ie: Sleeping Areas without supervision.
Areas having a high probability of ignition ie: day accommodation, store rooms, kitchens and plant rooms. Where occupants are especially vulnerable due to illness, age or are unfamiliar with the building. 
It should be noted that L2 systems always include L3 coverage.

In L3 systems, coverage should be provided for escape routes and any areas in which the occurrence of a fire would directly threaten escape routes. The following areas should therefore be covered: Corridors, passages and circulation areas.
Stairwells, the top of vertical risers at each level within 1.5m of an access point to a lift shaft or other vertical riser In all rooms opening onto an escape route.

Conventional systems consist of a central control panel with a number of detectors on each zone.
This means that if a detector is activated someone needs to go and investigate exactly which detector has operated. It is not possible to find out how clean or dirty a particular detector is at any one time.
This means that all detectors are usually treated similarly when being cleaned or recalibrated.

Addressable systems consist of one continuous cable in and out of the panel onto which are connected a number of detectors. Each detector is given a descriptive text and allocated a zone.
This means that the panel is capable of giving the exact description of the detector to activate. Additionally it is possible not only to find out which detector is due for replacement due to dust etc, but the offending detector will give a pre alarm indicating a possible future problem.

Wireless Fire Detection is available for those premises where surface cabling or listed status prevents the running of cables as both the systems above require Classification.