When designing LID for flood control it is important to consider the need to not only provide extended detention storage but also a means for water to enter the storage reservoir quickly. Incoming flows should also be pre-treated to avoid clogging of media and drainage pipes. Such pre-treatment can be achieved through OGS, catchbasin inserts or high flow cobble inlets, among others. The storage media in the LID facility should have a high void ratio to reduce the potential for clogging with fine sediment that may bypass the inlet pre-treatment controls. | When designing LID for flood control it is important to consider the need to not only provide extended detention storage but also a means for water to enter the storage reservoir quickly. Incoming flows should also be pre-treated to avoid clogging of media and drainage pipes. Such pre-treatment can be achieved through OGS, catchbasin inserts or high flow cobble inlets, among others. The storage media in the LID facility should have a high void ratio to reduce the potential for clogging with fine sediment that may bypass the inlet pre-treatment controls. |