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(1)

Building type

(2)

Total floor area per storey

(3)

Type of fire alarm systems

(4)

PG I & II

NR

NR

HFAD

PG III to VIII

(Without stay-in facilities)

Single storey building

>400m²

Manual*

Building of 2 to 4 storeys

>200m²

Manual*

Building of more than 4 storeys

NR

Automatic + manual

PG III to VIII 

(With stay-in facilities)

Single storey building

NR

Manual**

Building of more than one storey

NR

Automatic + manual

Note:

- When there are 2 or more purpose groups in a building, the strictest requirement for any one of the purpose groups shall be applicable to the whole building

- Where PG II forms part of a mixed-use building, Cl.6.3.1b.(1) shall be followed and HFAD shall be provided in the residential units.

NR - Not relevant

*   - Except otherwise exempted under Cl.6.3.3d.

** - Healthcare occupancy with patient accommodation ward shall be provided with both automatic fire alarm system and manual fire alarm system. See Cl.9.3.2b.(5)(b)

Usage

(1) 

Non‑sprinkler protected building

Sprinkler-protected building

Compartmentation

(2a)

Door

rating

(2b)

Compartmentation

(3a)

Door

rating

(3b)

Sprinkler

(3c)

Store room⁽¹⁾

1 hr

1 hr

N

N

S

AHU room⁽³⁾

N

N

N

N

S

Kitchen⁽²⁾

1 hr

1/2 hr

1 hr

1/2 hr

S

Boiler room (oil fired)

2 hr

2 hr

1 hr

1 hr

S

Low voltage switch room

B

B

B

B

Ex

High voltage switch room

B

B

B

B

Ex

Transformer room

2 hr

2 hr

1 hr

1 hr

S

Oil tank room

2 hr

2 hr

1 hr

1 hr

S

Generator room

2 hr

2 hr

1 hr

1 hr

S

A/C plant room

2 hr

2 hr

1 hr

1 hr

S

Electric lift motor room

2 hr

2 hr

2 hr

2 hr

Ex

Hydraulic lift motor room

2 hr

2 hr

1 hr

1 hr

S

Essential fan room

2 hr

2 hr

1 hr

1 hr

S

Electrical room

2 hr

2 hr

2 hr

2 hr

Ex

Battery room⁽⁶⁾

2 hr

2 hr

2 hr

2 hr

S⁽⁵⁾

Sprinkler/Wet riser tank room

B

B

B

B

S 

Fire pump room

B

B

B

B

S

Fire Command Centre

2 hr

2 hr

2 hr

2 hr

S

Telecommunication/ Non-essential equipment room⁽⁴⁾

N

N

B

B

Ex

N

N

S

Note:

The fire resistance rating stipulated in this table shall be the minimum

N - no specific requirement on compartmentation/ door rating

B - compartmentation and door rating of the special purpose room shall not be less than the fire resistance of the elements of structure of the building where the room is located

S - Sprinkler system has to be extended into such rooms

Ex - Sprinkler system is exempted from the corresponding area provided the area is fitted with an automatic fire alarm system installed according to SS 645

⁽¹⁾ - Requirements stated herein apply to store room which is required to be compartmentalised

⁽²⁾ = Requirements stated herein apply to kitchens in hotel, restaurant, coffee house or other similar places where the preparation of food is required. However, special considerations will be given to the followings:

(a) kitchens where “open flame” cooking appliances are NOT used, or

(b) kitchens where all the cooking facilities are fitted with approved extinguishing systems

⁽³⁾ - Where AHU rooms are vertically stacked, each AHU room shall be separated by a compartment floor at every level. In the case of AHU serving more than one compartment, fire dampers shall be provided in air ducts at penetration through the compartment wall and floors, see Cl.7.1.8

⁽⁴⁾ - Requirements stated herein apply to non-essential equipment rooms such as a PABX/ MDF room, potable water tank/ pump, ejector room, Police Equipment Room (PER) or Electronics Parking System (EPS) room etc.

⁽⁵⁾ - Water mist system can be considered in lieu of conventional automatic fire sprinkler system

⁽⁶⁾ - This requirements of compartmentation shall apply to any room that is designated as a battery room or of Threshold Stored Energy exceeded the limits stated in Table 10.3.1. This does not apply to battery used in consumer products such as laptop, phone, etc.