I hope your building plans show a retaining wall on that side of the ... You need perforated foundation drain tile pipe at the footer covered by plenty of washed larger gravel that has no sand ...

You can add weep holes to an existing wall using a hammer drill. Adding a drain pipe is a more complex project that may require professional help. Retaining walls add form and function to your ...

all retaining walls, we have multiple components that have to work together to drain the water. Olivia: Right. Mark: So, as Jen just told us, this pipe is perforated. And I just wanted to show you ...

Design flaws in a retaining wall drainage system and heavy rains during construction may have contributed to a “slope failure” that caused the collapse of U.S. 36 in Westminster two years ago ...