North Carolina Building Contractor License Practice Exam

What is the minimum horizontal force a bridging attachment to a joist must be capable of resisting?

1. 700 pounds

2. 800 pounds

3. 900 pounds

4. 1000 pounds

The correct answer is: 700 pounds

The minimum horizontal force that a bridging attachment to a joist must be capable of resisting is set at 700 pounds. This standard is rooted in structural engineering principles to ensure that the build is stable and can withstand lateral forces, such as those produced by wind or seismic activity. Bridging, which involves connecting joists to provide additional lateral support and stability, is essential in preventing shifting or twisting of the joist system. The requirement for a minimum resistance of 700 pounds ensures that the structural integrity of the framework is maintained, reducing the risk of deformation or collapse under unexpected loads. It's important for builders and contractors to adhere to these safety standards as they contribute significantly to the overall durability and safety of the constructed building. Proper design and implementation of bridging systems are integral elements in achieving compliance with these standards.