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

S2.9.10 Provisions for ventilation for the life safety purposes such that,
in the event of a fire, evacuation routes are maintained:
(i) below thermal threshold for human tenability; and
(ii) at visibility levels adequate for occupants evacuation;
and
(iii) below toxicity threshold for human tenability; and
(iv) not impeding the movement and evacuation of
occupants.
for the period of time required for evacuation.
S2.9.11 Provisions for ventilation to maintain safe conditions in the
exits for occupants for the period of time required for escape.
S2.9.12 Provisions for reliability and availability of emergency
ventilation systems.
S2.9.13 Provisions for appropriate access into trainways for firefighting
and rescue operations.
S2.9.14 Provisions to prevent re-circulation of smoke into the RTS
system due to the effects of a fire in the trainway, with
consideration for:-
(i) air intake openings; and
(ii) station entrances; and
(iii) station and / or trainway surface openings; and
(iv) adjacent structures and property uses.
Standard for Fire Safety in Rapid Transit Systems 136