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Clause 9.1 Purpose Group I Occupancy Clause 9.2 Purpose Group II Occupancy Clause 9.3 Purpose Group III Occupancy Clause 9.4 Purpose Group IV Occupancy Clause 9.5 Purpose Group V Occupancy Clause 9.6 Purpose Group VI Occupancy Clause 9.7 Purpose Group VII Occupancy Clause 9.8 Purpose Group VIII Occupancy Clause 9.9 Others Annex 9.9A

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Clause 9.4 - Purpose Group IV Occupancy

Fire Code 2023

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9.4.1 General

a. Means of escape

(1) Aboveground office floors 

One exit staircase is permitted to serve an aboveground office floor
provided:

(a) the habitable height of the floor shall not exceed 15m; 

(b) the floor shall not be located above 4th storey; and 

(c) the AFA of the floor shall not exceed 200m².

(2) Underground office floors

One exit staircase is permitted to serve an office basement provided:

(a) the building is of non-combustible construction;

(b) the depth of basement storey shall not exceed 9m below the average ground level;

(c) compartment below ground shall not comprise more than one storey; and

(d) the AFA of each basement storey, including service ducts, lift shafts, toilets, staircase, etc., shall not exceed 200m2.

b. Structural fire precautions

(Not in use)


Updated 3 Sep 2025