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BS 5588-7:1997

a) Pressure differential systems to pressurize the associated floor areas NOTE Pressure differential systems using smoke exhaust ventilation to de-pressurize the atrium with a high neutral plane method [see 17.1c)3) and 24.6d)].

Exemplar 6 — Occupancy category A (occupants who are awake and, predominantly, are familiar with the building): enclosed 30 m or less in height, fire-resisting, pressure differential, phased evacuation (continued)

Š BSI 8 December 2004


Bs 5588 71997 fire precautions in the design, construction a