CIBSE Guide E | Ch. 7 | Eq. 7.9

Acceptance capacity of a stair

Maximum number of people able to enter the stair within a specified period given a certain occupant density in the stairs and landing

Reference

CIBSE (Chartered Institution of Building Services Engineers), 2019. CIBSE Guide E: Fire Safety Engineering. 4th edn. London: CIBSE.

Equations

N_{in_(max)} = 1.2 \cdot W_e \cdot t + \rho \cdot A \cdot (S - 1)