In England and Wales, Aspect M of Routine one to the Constructing Polices 2000 needs that ‘fair provision’ shall be created for persons to gain use of – and subsequently use – a building and its services. In order to stay away from discrimination, BS EN fifty four-23 compliant VADs https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/