(1) Aboveground office floors
One exit staircase is permitted to serve an aboveground office floor
provided:
(a) the habitable height of the floor does not exceed 15m;
(b) the floor does not be located above 4th storey; and
E
Explanations & Illustrations
Clause 9.4.1a.(1) : General
.tmb-firecode.png?Culture=en&sfvrsn=929f82b1_1 "Fg.9.4.1a(1)")
Figure 9.4.1a.(1)
• OL < 50 persons (or 10* persons)
• One-way travel distance AC or BC < 15m; or 30m (if sprinkler-protected) or < 10m or 20m respectively*
• Floor area < 200m²
• Storey height < 4 storeys or habitable height of building < 15m whichever is lower.
*For high hazard building if allowed by the SCDF
(c) the AFA of the floor does not exceed 200m².
Amendment History
| 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 does not exceed 9m below the average ground level;
(c) compartment below ground does not comprise more than one storey; and
(d) the AFA of each basement storey, including service ducts, lift shafts, toilets, staircase, etc., does not exceed 200m2.
Amendment History
| 9.4.1a.(2) |
|
01 Mar 2019 |
New |
|
--- |
-
|
b. Structural fire precautions
(Not in use)