Standard for Fire Safety in Rapid Transit Systems - Singapore Civil ...
Standard for Fire Safety in Rapid Transit Systems - Singapore Civil ...
Standard for Fire Safety in Rapid Transit Systems - Singapore Civil ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
SECTION 2.2<br />
STATION MEANS OF ESCAPE<br />
2.2.1 GENERAL General<br />
2.2.1.1 The provisions of this section of the <strong>Standard</strong> shall serve to<br />
express the <strong>in</strong>tentions <strong>for</strong> determ<strong>in</strong><strong>in</strong>g the design,<br />
construction, protection, location, arrangement and<br />
ma<strong>in</strong>tenance of exit facilities to provide safe means of escape<br />
<strong>for</strong> occupants.<br />
2.2.2 OCCUPANT LOAD<br />
2.2.2.1 Except as required <strong>in</strong> Cl.2.2.2.4 and Cl.2.2.2.5, the occupant<br />
load <strong>for</strong> a transit station shall be:<br />
(a) The cumulative occupant load <strong>for</strong> all plat<strong>for</strong>ms <strong>in</strong> the<br />
station calculated <strong>in</strong> accordance with Cl.2.2.2.2 and<br />
Cl.2.2.2.3.<br />
(b) Based on the peak hour patronage as projected <strong>for</strong> the<br />
design of the transit system.<br />
2.2.2.2 The maximum occupant load <strong>for</strong> each plat<strong>for</strong>m <strong>in</strong> a station<br />
shall be calculated based on:<br />
(a) The greater of the a.m. or p.m. peak period loads.<br />
(b) The simultaneous evacuation of the entra<strong>in</strong><strong>in</strong>g load<br />
and the l<strong>in</strong>k load.<br />
(c) The entra<strong>in</strong><strong>in</strong>g load and l<strong>in</strong>k load <strong>for</strong> each track shall<br />
be based on the entra<strong>in</strong><strong>in</strong>g load and l<strong>in</strong>k load per<br />
headway multiplied by the follow<strong>in</strong>g:<br />
(i) The system surge factor, and<br />
(ii) In the peak direction, an additional factor of 2<br />
to account <strong>for</strong> one missed headway.<br />
(d) The maximum l<strong>in</strong>k load at each track shall be the<br />
maximum passenger tra<strong>in</strong> capacity.<br />
See guide <strong>in</strong> Appendix A.<br />
Occupant load<br />
<strong>for</strong> transit<br />
station<br />
Maximum<br />
occupant load<br />
<strong>for</strong> each<br />
plat<strong>for</strong>m<br />
<strong>Standard</strong> <strong>for</strong> <strong>Fire</strong> <strong>Safety</strong> <strong>in</strong> <strong>Rapid</strong> <strong>Transit</strong> <strong>Systems</strong> 18