Design Rain Garden Clay Soils Parking Lot

Or clay soil a rain garden should be about 60 of the drainage area what s already in or near the space the house patio deck paths driveway existing plants.

Design rain garden clay soils parking lot. Parking lot road turf mixed use. Determine drainage area measure drainage area. Clay soil rain garden in cary north carolina is shown in figure 2.

H width base t width. This design can be used in. This design is common in urban settings where a curb cut is used to direct storm the.

Maggie wants to build a rain garden to collect stormwater flowing off the 3 000 square foot paved parking lot of her store built on clay soils. It is best suited for clay soil parking lots and highway medians. Area 20 x 12 2 240 ft2 2 120 ft2.

Area 15 x 10 150 ft2. It is important to note that water in rain gardens should not be allowed to stand for more than a maximum of 48 hours in order to avoid creating habitat for mosquitos and other vectors. Selecting a site to select the location for a rain garden consider the existing land use vegeta.

The rain garden is located adjacent to a parking area with no curb or curb cuts allowing stormwater to sheet flow over the parking lot directly into the rain garden. Make garden larger based on soil sizing coefficient and shallower and amend with sand and some compost. Width 10 length 15 base 20 height 12.

Design and construction of rain gardens. Sandy soils have the fastest infiltration. The size and design of the rain garden depend on the area that drains to it and the type of soil in which the garden is placed.