Why You Shouldn't Have Plumbing Lines Under A Sidewalk

Over time, water runoff from rain or irrigation can erode the soil surrounding the drain line, leaving it unsupported and more prone to damage from settling. Certain soil types are more susceptible to settling than others, especially with fluctuating moisture levels. Clay soils, for example, shrink and swell depending on moisture content, putting stress on buried pipes.

Cracks and leaks: Settling can cause small cracks to form in the drain line, leading to leaks that waste water and potentially attract pests or mold growth. Erosion can cause settlement around the front sidewalk. Settling can cause the drain line to sag or become misaligned, creating dips where debris can accumulate and cause blockages. In severe cases, significant movement due to settling can lead to the complete collapse of the drain line, requiring major repairs or even replacement.

If your drains are draining slowly, it could be a sign of a blocked or collapsed drain line caused by settling. Gurgling noises coming from your drains can indicate air trapped in the line, potentially due to cracks or misalignment caused by settling. Cracks in the sidewalk directly above the drain line can be a visual indicator of settling affecting the pipe below.

Ensuring proper grading and drainage around the sidewalk can help prevent uneven settling and erosion. Regularly inspecting your plumbing system, including drain lines, can help identify early signs of damage before it becomes more serious. If you suspect damage to your drain line due to settling, it's crucial to consult a qualified plumber for diagnosis and repair.

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