AUST – Essential Property Services advises that the Building Code of Australia in clause C3.5 Doorways in fire walls requires a hold open fire doors to close automatically apon the activation of a smoke detector or other detector deemed suitable under AS 1670.1 – 2004 ‘Fire detection, warning, control and intercom systems – System design and commissioning – Fire’. Fire door inspections are to be performed under AS 1851 – 2005.

The following illustration from BCA Illustrated depicts the automatic closing operation of both fire doors separating fire compartments 1 and 2 must be initiated upon the activation of a smoke detector in either compartment or upon the activation of the sprinkler system in fire compartment 2.

The installation of fire doors must comply with AS 1905.1 2005 ‘Components for the protection of openings in fire – resistant walls – Fire Resistant door sets’ and maintenance of fire doors and fire door inspections in accordance with AS 1851 – 2005  ‘Maintenance of fire protection systems and equipment’, which covers fire doors and fire door inspections.

Building Legislation Table

Refer to our Building Legislation table for further information on the building control process.