What type of occupancy is most likely required to have a One-Way Voice Communication System?

High-rise buildings are most likely required to have a One-Way Voice Communication System due to their unique safety and evacuation challenges. In the event of an emergency, particularly fires, a reliable communication system is essential to ensure that first responders can relay critical information to occupants without delay. High-rise structures often have numerous floors and a greater potential for confusion during an emergency, making it imperative to have an effective method for disseminating instructions and updates.

The design and operation of high-rise buildings also present risks such as smoke movement and the need for coordinated evacuations, which further underline the necessity of a voice communication system to provide real-time instructions and direct people to safety. This system helps maintain order and prevent panic, which can be especially crucial at significant heights where evacuation might be complicated.

On the other hand, lower-rise residential buildings and single-family homes typically do not present the same level of risk or require the same emergency communication systems due to their smaller scale and simpler evacuation procedures. While commercial warehouses may have safety systems in place, the complexity and height of high-rise buildings specifically necessitate a One-Way Voice Communication System as a standard safety protocol.