Coastal and Floodplain Construction Inspector's Practice Exam

How many fasteners are required on a Gable End Wall for a house located in a 100 mph wind zone exposure C with a wall height of 19'?

1. 8" o.c.

2. 12" o.c.

3. 10" o.c.

4. 6" o.c.

The correct answer is: 8" o.c.

In a 100 mph wind zone exposure C, the requirements for fasteners on a Gable End Wall are determined based on wind load calculations and local building codes that ensure structural integrity against high-wind forces. For this scenario, applying fasteners at an 8-inch on-center spacing is aligned with standards for building in areas exposed to such wind conditions. This spacing is optimal to ensure that the fastening system can adequately resist the lateral loads imposed by the wind that can create significant stress on the wall structure. Considering a wall height of 19 feet, which is considerable, the distribution of fasteners helps manage the forces by reducing the potential for failure points due to wind pressures. An 8-inch spacing creates a stronger connection throughout the wall, minimizing the risk of buckling or lifting during strong wind events. In contrast, other spacing options may not provide the necessary strength and stability in high-wind situations. For instance, wider spacing such as 10-inch, 12-inch, or larger could result in insufficient mechanical support, especially in regions subject to intense wind velocities, increasing the likelihood of structural damage. Thus, 8-inch on-center fastening is the most suitable choice for this configuration to ensure compliance with safety and structural integrity standards in high-wind