Page 76

BS 5588-7:1997

Pressure differential smoke control system

AFD/VA

PHE

AFD/VA

PHE

AFD/VA

Enclosed fire-resisting construction (30 min integrity)

PHE

AFD/VA

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

≥ 30 m

AFD/VA

AFD

Atrium base: no combustible content

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 PHE denotes phased evacuation denotes automatic sprinkler protection NOTE

Pressurization by applying all the relevant clauses of BS 5588-4:1998 [see 17.1c)i) and 24.6b)].

Exemplar 9 — Occupancy category A (occupants who are awake and, predominantly, are familiar with the building): enclosed greater than 30 m in height, pressurization, fire-resisting, phased evacuation

70

© BSI 8 December 2004

Bs 5588 71997 fire precautions in the design, construction a  
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