8
Recommended Protection
The Building Code of Australian, state and territory building regulation and
AS1670.1 give the guidance on:
- how many Alarms to install
- what type of Alarm to use
- where to position Alarms
The above points will depend on the type of dwelling and class of building to be
protected and the level of fire risk.
Checking Smoke Alarms Can Be Heard
With the Smoke Alarms sounding in their intended locations check that the alarm
can be heard in each bedroom with the door closed, above the sound of any
TV/audio systems. The TV/audio systems should be set to a reasonably loud
conversation level. If you cannot hear the alarm over the sound of the TV/audio
system, the chances are it would not wake you. Interconnecting the Smoke Alarms
using either a hard-wired interconnection or RadioLINK
+
plug-in modules will help
to ensure that the alarm will be heard throughout the property.
Positioning
Ceiling Mounting
Hot smoke rises and spreads out, so a central ceiling position is the recommended
location. The air is “dead” and does not move in corners, therefore Smoke Alarms
must be mounted away from corners. Keep at least 300mm from walls and corners
(see Figure 3). Additionally, mount the alarm at least 300mm from any light fitting or
decorative object which might prevent smoke entering the Smoke Alarm.
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