Bioswales | National Association of City Transportation Officials
Bioswales as seen in the NACTO Urban Street Design Guide. Click image for full information & guide, and visit the slowottawa.ca boards.
Re-landscaped drainage sump which is approximately 2-2.5 metres deep for flood storage area. Included are 1000 cubic metres of subsoil storage cells and 3 'bubble ups'. Features includes steps and a maintenance track which becomes a psudo-footpath.