Provision of smoke alarms and heat alarms

At least one smoke alarm should be provided – (a) in the circulation route or routes on each storey; and (b) in the principal every habitable room, and at least one heat alarm should be provided in every kitchen. The smoke and heat alarms should be located to comply with the provisions of paragraphs 2.27 to 2.32. Smoke alarms and heat alarms should be interconnected so that they all give an audible alarm when any one of them is activated. Radio linked interconnection between hard wired smoke alarms and/or heat alarms may be used. More detailed guidance for the use of radio linked technology can be obtained from BS 5839-6. The maximum number of smoke alarms and heat alarms which may be interconnected should not exceed that given in the manufacturer's instructions. A back-up power source to each smoke alarm and heat alarm should be provided by either – (i) a primary or secondary battery; or (ii) a capacitor.