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Does a fire resisting door require a latch?

A fire resisting door requires a latch per NCC 2022 Volume One. Key requirements include self-closing mechanisms, accessible latch operation, and regular maintenance inspections to ensure functionality. Inspections should check latch operation, self-closing mechanisms, alignment, wear, and accessibility compliance for safety and compliance with the National Construction Code and relevant Standards.

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According to the National Construction Code (NCC) 2022 Volume One, fire doors must be equipped with self-closing or automatic-closing mechanisms, which inherently necessitate the use of a latching device to ensure the door remains closed and secure during a fire.

Key Requirements for Fire Door Latches:

  • Self-Closing Mechanisms: Fire doors must have self-closing or automatic-closing features to ensure they close properly in the event of a fire.
  • Latch Operation: The latch must be readily openable without a key from the side that faces a person seeking egress. It should be operable by a single hand using a downward or pushing action on a device located at a specific height.
  • Accessibility: For areas required to be accessible, the latch must be designed so that the hand of a person who cannot grip will not slip during operation. The handle must have a clearance of 35-45 mm between the handle and the back plate or door face.
  • Exceptions: Certain doors, such as those serving secure areas, vaults, or sanitary compartments, may have specific exceptions under the NCC.

These requirements ensure that fire resisting doors are not only functional in preventing the spread of fire but are also accessible and easy to use in emergency situations. Compliance with these standards is crucial for the safety and effectiveness of fire doors in any building.

For more detailed information, always refer to the latest edition of the National Construction Code and Australian Standard AS 1905 or consult with the relevant building surveyor.

Maintenance Inspections

Routine servicing & inspections are crucial to ensure that fire resisting doors, including their latching mechanisms, are functioning correctly and comply with the relevant construction, installation & routine servicing Codes and Standards including;

  • National Construction Code; and
  • Australian Standard AS 1905 – Components for the protection of openings in fire-resistant walls; and
  • AS 1851 – Routine Servicing of Fire Protection Systems and Equipment.

During maintenance inspections, the following should be checked:

  • Latch Operation: Ensure the latch opens and closes smoothly and can be operated easily without the use of a key. Verify that the handle clearance meets the specified standards.
  • Self-Closing Mechanism: Check that the door closes automatically and completely from any open position.
  • Alignment and Fit: Inspect the door alignment to ensure it fits properly within the frame and that the latch engages correctly.
  • Wear and Tear: Look for signs of wear or damage on the latch and handle, and replace any components as necessary.
  • Accessibility Compliance: Confirm that accessible features are in place and functional, such as non-slip handles and proper clearance.

Maintaining the functionality of fire door latches is essential for ensuring safety and compliance to ensure people and buildings are safe from fire. Regular inspections help identify and rectify any issues promptly, ensuring that fire doors will perform as intended in an emergency.

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