Page 80

BS 5588-7:1997

Smoke exhaust system

Smoke exhaust system

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

AFD/VA

SE

≤ 18 m

AFD/VA

AFD

Atrium base: controlled fire load

Make-up air

Make-up air

AFD/VA denotes L2 automatic fire detection within the atrium and associated floor areas and voice alarm throughout the building AFD denotes automatic fire detection connected to building alarm system SE denotes simultaneous evacuation denotes automatic sprinkler protection NOTE

Not applicable for atria uniting two storeys only [see 1e)].

Exemplar 12 — Occupancy category B (occupants who are awake but may be unfamiliar with the building): 18 m or less in height, open, simultaneous evacuation

74

© BSI 8 December 2004

Bs 5588 71997 fire precautions in the design, construction a  
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