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Standards Development
This document provides designers with correlations that can be used in performance-based fire safety design to represent the reduction of movement speed of building occupants when walking in an environment with low visibility, which also contains irritants. Different correlations are provided for deterministic analysis and probabilistic analysis.
In performance-based fire safety design, the designer may need to consider that people will move through an environment containing fire smoke. In this specific case, the movement speed of occupants is expected to be influenced by the smoke, e.g., speed reduces due to visibility and the presence of irritant species affecting vision. This document provides guidance on how visibility, irritant species, occupant characteristics and the built environment influences movement speed in fire smoke.
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