Perforated Drain Pipe Installation Retaining Wall

Perforated drains allow the water to flow out of the wall preventing it from collapsing under the weight of too much water.

Perforated drain pipe installation retaining wall.

I was going to use a perforated 100mm flexible pipe in a geo textile sleeve bedded in gravel but i can t find a product that would allow me to t off smaller diameter weep holes at regular intervals what can i use without spending the earth or should i just bing the pipe out of the wall at one. 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. Steven baczek a residential architect from reading mass who specializes in designing durable low energy homes responds. 1 2 m tall will require a toe drain.

This should be a perforated pipe to allow water to enter it through the length 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. How and why holes point down when installing a french drain gravel perforated pipe yard drain see how a french drain really works. Retaining walls with a height greater than a few feet should also have weep holes that are regularly spaced in the vertical direction forming a grid pattern.

No perforated drain pipe. Drain pipes used in toe drain applications must be properly vented a minimum of every 50 ft. 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. 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.

Another method for relieving hydrostatic pressure is to install a drainage pipe behind the wall. To accomplish this vent the drain pipe to daylight or a lower elevation on the site. Adding drains to the foundation of your retaining wall drainage is vital. When i use perforated pipe in a drainage system should the holes go up or down.

Sites with poor draining soils or walls over 4 ft.