Rain Garden Design Construction And Maintenance Manual
1 rain garden design construction maintenance donald carpenter ph d.
Rain garden design construction and maintenance manual. The first goal is. A rain garden has two main goals. Other shapes are also possible.
The digging depth depends on the area draining to the rain garden the amount of rain being captured and the planned footprint of the rain garden. How deep to dig. During construction the rain garden is excavated and.
Rain garden design construction and maintenance manual 3 table of contents introduction 8 part a. The rain garden is usually oval or curvilinear based on site conditions and design aesthetics. Rain gardens should be dug to a depth of approximately 85 centimetres or deeper if you re building a small rain garden.
Design guide 10 1 components of a rain garden 10 2 use and suitability 11 3 location selection 12 4 basic sizing procedure 13 4 1 key parameters 13 4 2 sizing formulae 14 5 standard details 18 5 1 typical cross section 18 5 2 typical layout plan 18. The ground under a rain garden should not be packed down so try to stand outside of the garden area as much as you can and avoid placing any heavy instruments or machinery inside the digging area.