Clause 9.4 Purpose Group IV Occupancy

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9.4 PURPOSE GROUP IV OCCUPANCY

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 4^th storey; and

Effective Date: 01 Mar 2019

Clause No.	Amendment Date	Effective Date	Clause Status	Clause Before Amendment	Circular Date	Download Circular
9.4.1a.(1)(c)		01 Mar 2019	Revised, formerly Cl.2.6.1(c)		---	-

(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;

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

Effective Date: 01 Mar 2019

Clause No.	Amendment Date	Effective Date	Clause Status	Clause Before Amendment	Circular Date	Download Circular
9.4.1a.(2)		01 Mar 2019	New		---	-

b. Structural fire precautions

(Not in use)

Updated 2 Sep 2024