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

2.1.2.9 The boundary of the land belonging to the station under
consideration, and including the imaginary extension of the
boundary up to the centre of an abutting public street, canal
or river.
2.1.2.10 Buffer areas are unenclosed corridors located alongside trainways
and are inaccessible to the public.
Buffer
Area
Buffer
Area
Plant
Rooms
Trainway
Trainway
2.1.2.11 Construction provided :
Buffer Area
Buffer Area
Platform
Public Area
Buffer area linking different bounds of
trainways shall be as direct as practicable.
(a) To seal a cavity (concealed space) against the
penetration of smoke and flame, or
(b) Within a cavity (concealed space) to stop the
movement of smoke and flame within the cavity.
2.1.2.12 A part of a station or trainway that encloses and is exposed
overhead in a room, circulation space or protected shaft. (A
soffit or rooflight is included as part of its surface, but not
the frame of a rooflight.)
2.1.2.13 A space mainly used as means of access between a room or
protected shaft and an exit from the station or compartment.
It shall not be used for putting up any commercial activity
such as information and reception counter, exhibition and the
like.
2.1.2.14 A part of a station or trainway separated from all other parts
of the same station or trainway by compartment walls and/or
compartment floors. A roof space above the top storey of a
compartment is included in that compartment.
2.1.2.15 A wall or a floor which is provided for the purpose of
dividing a station into compartments for the purposes of
Cl.2.3.2 and complies with Cl.2.3.7.
Boundary
Buffer areas
Cavity barrier
Ceiling
Circulation
space
Compartment
Compartment
wall and
compartment
floor
Standard for Fire Safety in Rapid Transit Systems 5