Page 71

BS 5588-7:1997

Temperature control system

Temperature control system

Enclosed smoke retarding construction

PHE

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

PHE

PHE

AFD/VA

≤ 30 m

AFD/VA

AFD/VA

AFD

Atrium base: controlled fire load

Make-up air

Make-up air

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

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

Exemplar 5 — Occupancy category A (occupants who are awake and, predominantly, are familiar with the building): enclosed 30 m or less in height, phased evacuation

© BSI 8 December 2004

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Bs 5588 71997 fire precautions in the design, construction a