Designing A Rain Garden Swale
Front garden swale system.
Designing a rain garden swale. For this house the front garden was surveyed and the contours planned to work with the natural slope of the land. A front yard swale then the drainage area for the sizing criteria would be 300 feet x 15 feet 5400 square feet. If on a slope this berm goes on the lower end of the slope.
You may solve drainage issues and make an attractive landscape feature at the exact same time with a dry creek bed you wish to serve a great first course. In my front yard we directed the overflow from the swale into a rain garden. Including rain gardens bio swales rock gardens and other landscape architecture strategies.
Site analysis rain garden design lined or unlined under drained or self contained source. This can be done with a swale an extension on the spout or through an underground pipe. We were taught in our pdc to calculate catchment x max rain in 24.
For example if you were designing a rain garden to accommodate water from a downspout than you would use a runoff coefficient of 0 9. If you were designing a rain garden to handle water. Prince george s county bioretention manual.
You are able to add drainage and apply the rain garden to hold the extra water until it has an opportunity to drain away. Vegetated swale vegetated filter strip infiltration berm. See more ideas about permaculture rain garden garden.
See more ideas about rain garden landscape architecture landscape. Oct 9 2020 rainwater retention design solutions. Always consider where the water will go whether the swale overflows.

