North Carolina Building Contractor License Practice Exam

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How many bolts are required to anchor roof diaphragms to masonry walls according to spacing?

1 bolt per foot
1 bolt every 6 feet
1 bolt every 10 feet
2 bolts every 15 feet

The correct answer is: 1 bolt every 6 feet

The correct answer indicates that one bolt is required every 6 feet to anchor roof diaphragms to masonry walls. This specification is essential because it ensures adequate structural integrity by distributing the loads and forces applied to the roof system across the masonry walls effectively. In any building structure, proper anchorage of roof systems to wall systems is critical for resisting lateral forces, especially those arising from wind or seismic activity. The specified spacing allows for optimal load transfer and minimizes the risk of failure at critical junctures. While other spacing options exist, they either do not adhere to the required engineering principles or may compromise the building’s structural performance. By following the established guideline of one bolt every 6 feet, builders can ensure that they are in compliance with state regulations and recognized best practices for safety and durability in construction.