26.03.2013 Views

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 ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

(c) Supply air shall be drawn directly from the external; its<br />

<strong>in</strong>take po<strong>in</strong>t shall be arranged with exhaust outlets to<br />

avoid re-circuit<strong>in</strong>g of air/smoke back <strong>in</strong>to the room.<br />

(d) Where the correspond<strong>in</strong>g ducts run outside the fire<br />

command centre, they shall either be enclosed <strong>in</strong> a<br />

structure or constructed to give at least the same fire<br />

rat<strong>in</strong>g as the room which they serve or that of the room<br />

through which they traverse, whichever is higher.<br />

(e) No fire damper shall be fitted <strong>in</strong> either the supply or<br />

exhaust duct required under this clause.<br />

(f) Duct serv<strong>in</strong>g areas other than the fire command centre<br />

shall not pass through the room.<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> 128

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!