North Carolina Building Contractor License Practice Exam

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What must runoff be diverted across?

Roadways
Erosion barriers
Property lines
Constructed sediment basins

The correct answer is: Erosion barriers

Runoff must be diverted across erosion barriers to effectively manage and control water flow, especially in construction or disturbed areas. Erosion barriers are designed to intercept and redirect runoff, preventing soil erosion and sediment transport. These barriers help stabilize the soil surface, protect against the impacts of heavy rain, and nurture the surrounding environment by maintaining water quality. Erosion barriers are essential in construction practices to comply with environmental regulations and best management practices. They function as a filter, trapping sediment and reducing the volume of suspended particles in water that could otherwise flow into nearby water bodies, causing pollution. By directing runoff through these barriers, contractors can minimize negative environmental impacts and promote responsible land use. Other options, while related to site management and safety in construction projects, do not serve the specific purpose of mitigating erosion caused by runoff as effectively as erosion barriers do.