TCFP Plans Examiner Practice Test

According to NFPA 220, how does Type II construction differ from Type I construction?

1. It is made of combustible materials

2. It has a lower degree of fire resistance

3. It requires more exit routes

4. It uses more advanced materials

The correct answer is: It has a lower degree of fire resistance

Type II construction is characterized by its use of non-combustible materials, which distinguishes it from Type I construction that is designed to provide a higher degree of fire resistance. While both types contain non-combustible elements, Type I construction features materials that are specifically designed to withstand greater exposure to fire for longer durations. Therefore, Type II construction indeed has a lower degree of fire resistance compared to Type I. This nuanced understanding is important as it impacts fire safety strategies, building design, and construction compliance with regulations. The materials used in Type II construction are often less robust than those in Type I, resulting in a shorter timeframe for structural integrity during a fire event. This differentiation is critical in planning and evaluating fire protection strategies for buildings based on their construction type.