Trench Drains And Swales
The main difference is that a swale is a lot more subtle in appearance and blends with the surrounding landscape.
Trench drains and swales. Concrete swale detail 2 caddetails. How to landscape drainage swales. A swale drain is essentially a ditch that gets covered or lined with either grass or another type of vegetation. Driveway drainage challenges and solutions.
It is very similar to a trench drain which is also a trench intended for the purpose of collecting surface water over a long expanse of land. Trench swale or french drain. The purpose is to slow and control the flow of water to. Driveway drainage solutions can be achieved in various ways depending on the terrain of your property and how your driveway is designed.
How french drains and swales compare. However it s a lot more subtle in terms of its appearance in the landscape. You may use a trench drains french drains perforated pipe drainage swales or just creative grading. Swales french drains catch basins downspout extensions.
The goal of a swale drain is. Dig a trench along the marked contour line. Install a foundation drainage swale caltrans uses gccm to improve drainage outdoor drainage grading french drain vs trench swale dry swales. These situations suck if your truly in a bowl and your dealing with high water table.
A swale is like a ditch but it s broad and shallow and usually covered or lined with turfgrass or other vegetation. Like a trench drain a swale is a surface water drainage device. Intercept the water by using a swale a shallow ditch with gently sloping sides. A dry well or infiltration trench is a gravel filled underground storage area.
Swales built off contour are not actually swales by definition and go by other names such as keyline trenches or diversion trenches. Water captured by a dry well is stored in the void spaces between the gravel until it infiltrates slowly into the ground or flows out through an underdrain. Another idea is a pump and crock located in the crawl space tied to a perimeter curtain drain 10 ft from the house that is if you got somewhere to pump it. 6 inches to 1 5 feet deep.
Water flow fi concrete flowlines swales caliber paving.