Residential Building Inspector Practice Exam

Where can you find floor joist spans for common lumber species used in sleeping areas?

1. Table R502.3.1(1)

2. Table R404.1.1(1)

3. Table R404.1.2(8)

4. R502.3.1(2)

The correct answer is: Table R502.3.1(1)

Floor joist spans for common lumber species specifically utilized in sleeping areas can be located in Table R502.3.1(1). This table provides essential information regarding the allowable spans of various framing lumber, which is crucial for ensuring the structural integrity and safety of residential floors, particularly in areas intended for sleeping. The values provided reflect considerations such as live load and dead load requirements, which are important for maintaining durability and performance over time. Utilizing this table helps inspectors and builders make informed decisions about the types of lumber that can be used and the maximum spans that can be achieved without compromising the strength and safety of the floor system. This is particularly important since sleeping areas often require more stringent guidelines for comfort and safety due to the presence of occupants.