Nonpublic aisles in Group B occupancies, serving less than 50 people, are not required to be accessible and must have a maximum width of _____ inches.

In Group B occupancies where nonpublic aisles are designated for less than 50 people, the regulations typically specify a maximum width requirement for these aisles. The correct maximum width is 28 inches. This dimension is significant because it reflects the intent of the building codes to accommodate circulation needs for a smaller group without necessitating the wider accessibility features required in larger public spaces.

Wider aisles are generally required in public settings where the number of occupants is greater or where accessibility must be prioritized. For buildings with limited usage or occupancy like those in Group B that serve fewer individuals, the regulations allow for narrower aisles. The specification of 28 inches meets safety and functional needs while balancing the specific context of occupancy and use.

Understanding this regulation is crucial for maintaining compliance with building codes and ensuring safety within commercial buildings, particularly in spaces serving smaller groups.