| 摘要 |
<p>The invention relates to a drainage cell (1 figure 1) for a ground water handling system, the cell comprising a through channel 25, one or more transverse members 5 extending from or adjacent the edge of the through channel 25 towards a base of the cell (1 figure 1) for deflecting, in use, particulates or debris carried in a fluid flowing in the through channel 25. Later embodiments relate to a drainage assembly comprising a plurality of the cells; and a drainage cell comprising an attenuation volume with a channel adjoining a boundary of the cell and fluidly connected to the attenuation volume.</p> |
