Which method is used to determine the correct slope for drainage in paved areas?

The correct method for determining the appropriate slope for drainage in paved areas is the elevation differential method. This approach involves measuring the height difference between various points in the paved area to establish a slope that will allow for efficient water runoff. Understanding the topography of the site is crucial, as a proper slope ensures that rainwater is directed toward drainage systems rather than pooling on the surface, which can lead to damage and hazardous conditions.

This method is particularly effective because it allows contractors to calculate the necessary gradient based on existing elevations. By ensuring that the slope meets specific standards, the elevation differential method helps avoid problems such as erosion, stagnant water, and increased maintenance costs over time. Establishing an appropriate slope is essential for the functionality and longevity of paved areas, ensuring that they can handle rain events effectively.