Florida Building Code Practice Exam

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The ground adjacent to the foundation must slope away from the building at not less than what percentage for a minimum distance of 10 feet?

2.5%
5%
7.5%
10%

The correct answer is: 5%

The requirement for the ground adjacent to the foundation to slope away from the building at a minimum of 5% for a distance of at least 10 feet is crucial for ensuring proper drainage and moisture management around the foundation. A 5% slope translates to a drop of 0.6 feet over 10 feet, which is effective enough to prevent water from pooling around the foundation. This slope helps direct rainfall and surface water away from the building, thereby reducing the risk of water infiltration into the foundation, which can lead to structural damage and mold growth. In the context of building codes, maintaining this slope is essential not only for the longevity of the structure but also for the safety and habitability of the property. Adequate drainage is a fundamental aspect of site design, particularly in areas prone to heavy rainfall, ensuring that water does not compromise the structural integrity of the building or create adverse conditions in the surrounding landscape.