How To Design Rain Garden For A Parking Lot

If your first site fails the 48 hour test test the soil at other potential rain garden sites on your property. Dig a little deeper and you ll find healthy groundwater finding its way to underground wells and eventually streams. Width 10 length 15 base 20 height 12.

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Dampen a handful of soil with a few drops of water knead the soil in your fingers and squeeze it into a ball.

How to design rain garden for a parking lot. Area of square rectangle length x width area of triangle base x height 2. The reconfigured parking lot new entry plaza and site periphery feature a native plant palette bioretention cells a rain garden a bioswale and large expanses of permeable paving. Height x 100 slope width 9 inches x 100 5 slope 180 inches.

Dig a 15 centimetre 6 inch deep hole where you plan to build your rain garden and fill it with water. Rain garden design and construction. Table 1 rain gardens less than 30 feet from downspout.

Back in edison n j the parking lot stormwater runoff and rain garden are contributing to healthy plants and that s just the positive effect happening on the surface. To identify sources of pollutants infiltrate samples are compared to rainwater samples and stormwater runoff samples taken from the conventional asphalt spaces that drain into the rain gardens on the southern end of the parking lot. A rain garden is a bowl shaped garden that collects absorbs and filters the rainwater that runs off hard surfaces including parking lots driveways sidewalks lawns and roofs.

He divides the height by the width to ﬁnd his lawn s percent slope. Follow the directions below to determine the surface area of your rain garden. If the water disappears within 48 hours the site is suitable for a rain garden.

4 parking bays are designed to test the effectiveness of 2 types of permeable pavers porous asphalt and pervious concrete. H width base t width. Plus sign if content is closed x if content is open.

Area 15 x 10 150 ft2. Driveway parking lot scenarios. Deep deep deep sandy soil 0 19 0 15 0 08 loamy soil 0 34 0 25 0 16 clay soil 0 43 0 32 0 20.

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