California Residential Inspector Practice Exam

What is the minimum required length for a braced wall panel using the WSP method on an 8-foot wall height?

1. 36 inches

2. 48 inches

3. 60 inches

4. 72 inches

The correct answer is: 48 inches

The minimum required length for a braced wall panel using the Wood Structural Panel (WSP) method is determined by structural requirements and building codes that ensure stability and resistance against lateral forces, such as wind and seismic activity. For an 8-foot wall height, the calculation for the panel length is based on a ratio that relates the height of the wall to its length, which helps to maintain the structural integrity of the wall. In this particular case, the established minimum length of 48 inches for braced wall panels using the WSP method reflects these engineering principles. It ensures that the wall can adequately resist lateral loads without compromising safety. This requirement is crucial in the architectural and structural design process, especially in areas prone to higher winds or seismic activity, where enhanced resistance is necessary to prevent failure. Other potential lengths, while they exist as options, do not meet the regulatory standards set forth in the relevant building codes for a braced wall system. The specific minimum length of 48 inches is, therefore, essential for compliance, structural performance, and safety in residential buildings.