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A 2,800 gallon rain tank with a debris screen collects and stores rain water from a nearby building roof. During the dry season, the water is pumped through a drip irrigation system to water the surrounding landscape.
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Stacked open-celled crates under weed cloth capture storm water in the rain garden and allow it to soak into the ground instead of running off into the street.
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Grasses in the rain garden can withstand both periods of flooding and dry spells.
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The 2,800 gallon rain tank overflows into the rain garden when full.
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Drip irrigation lines are laid down and emitters are placed near the plants before a layer of mulch is spread on top.
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Rain garden excavation
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When it rains, the 4,300 square foot roof drains into the rain tank . When the rain tank is full, it overflows into the rain garden lined with drain rock and slowly seeps into the ground.
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Pittosporum was planted to screen the cistern and protect it from direct sunlight.
The bioswale captures storm water run-off from paved surfaces and classroom roofs before it reaches the storm drain.
Permeable pavers in the courtyard allow storm water to sink into soil. Water that runs off pavers is directed to the bioswale.
Drought tolerant shade garden plants and tile mosaic.
Persimmon tree and drought tolerant plants.
Native and water wise plant palette.
Drip irrigation delivers controlled amounts of water targeted to the root zone of the plants.
