B2 Commercial Building Inspector 2026 – 400 Free Practice Questions to Pass the Exam

The correct answer is based on the definition of Institutional Group I-4, which pertains to buildings that are utilized for medical care, treatment, or custodial care of individuals who may require assistance but do not stay in the facility for a full 24 hours. Specifically, this classification includes facilities that house individuals who receive custodial care for fewer than 24 hours a day.

The threshold for classification as Group I-4 is set at more than five individuals receiving this type of care. Therefore, when the occupancy exceeds this number, the facility must be evaluated and designed to comply with the specific building codes and safety requirements that pertain to Group I-4. This distinction is crucial for ensuring that adequate safety measures, such as egress routes and fire safety systems, are in place to protect the occupants.

In contrast, higher numbers such as 10, 15, or 20 do not reflect the requirement for classification as Group I-4, as the focus is on the initial threshold of more than five individuals. Since custodial care for more than five people invokes a need for adherence to stricter guidelines within the building code, understanding this limit is key in ensuring compliance and safety for these specific types of facilities.