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Pedestrian movement
and evacuation

Office blocks, sports stadiums, shopping malls, and underground stations are all areas that require uncomplicated transitions in normal operation and rapid evacuation in the event of an emergency. Using simulation to optimize the flow of people can provide a more agreeable environment and more effective fire safety design in large and crowded places.

Mott MacDonald has developed the STEPS program (Simulation of Transient Evacuation and Pedestrian Movements) to simulate the movement of people under both normal and emergency conditions. Human behavior is simulated through the use of complex characteristics from travel speed and destination to the amount of system familiarity and level of patience.

A key feature of STEPS is its ability to predict evacuation. It can accommodate scenarios involving a shutdown of evacuation routes due to smoke contamination, the effects of emergency services moving against the evacuation flow, and initiation of evacuation at different times from different areas of the environment.

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