What type of facility is classified under Group M?

Group M classifications are designated for mercantile occupancies, which specifically include department stores, markets, and other types of retail spaces where goods are displayed and sold. In these establishments, the primary use is for the sale of merchandise to the public. The design and construction of these facilities consider factors such as occupancy loads, safety regulations, and accessibility, all tailored to the needs of shopping environments.

On the other hand, factories and warehouses are typically classified under another group that caters to industrial applications, while residential buildings fall under a separate classification focused on living accommodations. High-rise buildings can include various types of uses but are generally categorized in a different group based on their height and occupancy type, which can include residential, commercial, or mixed-use. This makes the choice related to department stores and markets the appropriate classification for Group M, distinguishing it from other types of facilities that serve different primary functions.