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Clause 3.1 General Clause 3.2 Provision of Compartment Walls and Compartment Floors Clause 3.3 Fire Resistance of Elements of Structure Clause 3.4 Tests of Fire Resistance Clause 3.5 External Wall Clause 3.6 Separating Walls Clause 3.7 Compartment Walls and Compartment Floors Clause 3.8 Protected Shafts Clause 3.9 Protection of Openings Clause 3.10 Exit Staircases Clause 3.11 Concealed Spaces Clause 3.12 Fire Stopping Clause 3.13 Classification of Spread Of Flame Clause 3.14 Roofs Clause 3.15 Materials for Construction Related Tables and Diagrams of Chapter 3 Annex 3A Annex 3B

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Clause 3.10 - Exit Staircases

Fire Code 2023

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3.10.1 Non-combustibility of structure

Every exit staircase, including the treads/ risers and landing, shall be constructed of non-combustible materials. The exception is for buildings under PG I, where only the stringer or structures supporting the treads/ risers and landing shall be constructed of non-combustible materials.

3.10.2 Compartmentation

The exit staircase shall be separated from other parts of the building by a masonry structure or drywall complying with Cl.3.8.7b. which shall have fire resistance for not less than the period required by Cl.3.3 for elements of structure. The flight, landing and supporting structures of the exit staircase shall comply with Cl.3.10.1 and fire resistance rating is not required.

3.10.3 Exit doors

Doors opening into the exit staircase shall have at least ½-hr fire resistance rating and fitted with an automatic self-closing device.

3.10.4 Finishes

Finishes to the ceilings/ walls and floors of exit staircase shall be of non-combustible materials.


Updated 3 Sep 2025