3. Stormwater retention basins
3.1 General indications
3.1.1 Principle, advantages and constraints
The management of runoff from urbanized areas with separate or pseudo-separate networks calls for the use of collectors sized to cope effectively with peak flows generated by storms. This may involve routing water over long distances to suitable discharge points. In general, this process requires significant investment.
In many cases, it is preferable to moderate these storm peaks and store them. This can be done either outside,...
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Stormwater retention basins
Storm basin on combined sewer system
Bibliography
Standards and norms
- sanitation facilities – Title I: networks - Fascicule n° 70 -
- sanitation facilities – Title II: Stormwater collection, conveyance and storage facilities - Fascicule n° 70 -
- Équipement d´installations de pompage pour réseaux d'évacuation et d'assainissement - Fascicule 81-1 -
- mise en œuvre et essai des branchements et collecteurs d'assainissement - NF EN 1610 -
- réseaux d'évacuation...
Regulations
European Directive of May 21, 1991 concerning urban waste water treatment.
Arrêté du 22 juin 2007 relatif à la collecte, au transport et au traitement des eaux usées des agglomérations d'assainissement ainsi que à la surveillance de leur fonctionnement et de leur efficacité, et aux dispositifs d'assainissement non collectif recevant une charge brute de pollution organique supérieure à 1,2 kg/j de DBO...
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