Retaining Wall Perforated Drainage Pipe

Adding drains to the foundation of your retaining wall drainage is vital.
Retaining wall perforated drainage pipe. Pipe drains also known as toe drains are perforated pipes that collect water along the length of the wall and drain it to the outside. Taller walls may require more than one drain pipe to sufficiently. This video shows you how to properly install a drainpipe behind your wall for prop. Steven baczek a residential architect from reading mass who specializes in designing durable low energy homes responds.
Once the water makes it to the base of the wall it enters the perforated drain pipe. Retaining wall leaking drainage rocks. This drainage column allows water to migrate downward to the base of the wall. I hear arguments for both methods but it really depends on how the pipe functions in your drainage system before going any further the pipe we are discussing here is heavy duty.
Another method for relieving hydrostatic pressure is to install a drainage pipe behind the wall. In 1987 ads introduced n 12 smooth interior dual wall pipe which today is specified nationwide in 4 through 60 diameters for municipal storm drains and highway drainage offering exceptional hydraulics and strength. This should be a perforated pipe to allow water to enter it through the length of the wall. When i use perforated pipe in a drainage system should the holes go up or down.
Perforated drains allow the water to flow out of the wall preventing it from collapsing under the weight of too much water. For a drain pipe placed behind a retaining wall the purpose is to remove as much water as possible. Mar 19 2014 when building a retaining wall lay perforated drainage tubing at the base of the wall slightly above ground level so runoff can drain out without undermining your wall. Therefore the perforations should be placed down and the pipe sloped to drain.
Learning how to build a retaining wall can be fun with these helpful tips. Our single wall pipe is used in many conditions including agricultural residential highway culverts and recreational applications. No perforated drain pipe. Some of these drains are vented through the front of the retaining wall while others may run the length of the wall and drain out to the sides.
How and why holes point down when installing a french drain gravel perforated pipe yard drain see how a french drain really works. More from doityourself related posts. Apple drains drainage.