FREE ICC Building Code Professionals Questions and Answers
Which of the following describes the maximum allowed percentage of exterior wall openings for a building within 10 feet of a property line?
Building codes restrict the percentage of openings on exterior walls near property lines to reduce the spread of fire between buildings. This rule is especially critical in urban areas where buildings are close together.
According to building codes, how should stairs be designed in residential buildings?
This requirement is set by the IRC and IBC to ensure that stairs are both safe and comfortable to use, with a balance between tread depth and riser height that minimizes tripping hazards.
In the IBC, what is the required minimum fire-resistance rating for a fire barrier separating a stairway enclosure from the rest of a building?
The IBC requires a minimum fire-resistance rating of 1 hour for barriers around stairway enclosures in most buildings. This rating helps prevent the spread of fire, allowing occupants enough time to evacuate safely.
Which of the following best describes the primary purpose of building codes?
Building codes are established to protect public health, safety, and general welfare as they relate to construction and occupancy of buildings and structures. Aesthetics and construction costs are not the primary focus of building codes.
What is the minimum ceiling height for habitable spaces according to the International Building Code (IBC)?
According to the IBC, habitable spaces such as bedrooms, living rooms, and kitchens should have a minimum ceiling height of 7 feet. This is to ensure adequate space for occupant comfort and safety.