Fördröjningsbädd på bjälklagsgård : Reducerad dagvattenavrinning i täta hårdgjorda miljöer

Sammanfattning: Managing stormwater in dense urban environments is and will in the future be a challenge for all the parts affected by it. The climate is changing and with it the extent of extreme rainfalls. This Bachelor´s thesis aims to analyze if raingardens could be of use when managing stormwater on courtyards on beam supported slabs. It is not uncommon that water drainage systems in these places are insufficient which in some cases leads to water damaged buildings. By locally treating and storing stormwater it could be possible to prevent damages on buildings and the environment even though the climate is changing.   A case in Stockholm Sweden, a privately-owned property, was investigated. In which a solution of managing storm water by using rain gardens was suggested. The study concludes that locally managing storm water could prevent flooding and water damages on those kinds of courtyards and the buildings in its vicinity.