Standard for Fire Safety in Rapid Transit Systems - Singapore Civil ...

2.3.2.2 In computing the cubical extent of compartments in shops
and similar premises, a height of 4m may be used where the
actual height exceeds that figure, provided that this rule for
measurement shall not be applied when a compartment
comprises more than one storey or contains mezzanine or
galleries.
2.3.2.3 Compartmentation by Height
(a) In any compartment up to a habitable height of 24m,
no compartment shall comprise more than 3 storeys.
(b) In any station which exceeds 24m in habitable height,
no compartment shall comprise more than one storey
for compartments at storey level exceeding 24m above
average ground level.
2.3.2.4 The following situations shall require compartmentation by
provision of compartment walls and/or compartment floors:
(a) Transit and non-transit occupancies shall have a fire
separation of at least 2 hours. Stations connected to
non-transit occupancies shall comply with the relevant
requirements of Section 2.8.
(b) All public areas shall have a fire separation of at least
2 hours from ancillary areas.
Exception 1: Fire separation shall not apply to
Passenger Service Centre, station
master room, ticketing office and
enclosures housing ticket vending
machines.
Exception 2: Platform public areas need not be fire
separated from the trainway and buffer
areas.
Cubical extent
for
compartment
exceeding 4 m
in height
Compartmentation
by
height
Separation of
transit and
non-transit
occupancies
Separation of
public and
ancillary areas
Standard for Fire Safety in Rapid Transit Systems 51