The presence of elevator recall significantly influences the design and zoning of a fire alarm system in a commercial building because it requires the fire alarm system to control elevator operation for safety during a fire. Elevator recall is a feature that automatically returns elevators to a designated recall floor, typically the ground floor, upon activation of the fire alarm system. This is intended to prevent occupants from using elevators during a fire, as elevators can become traps if they stop on a fire floor or malfunction. The design must ensure that the fire alarm system initiates elevator recall wh....
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