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4. Sizing
Storage sizing is a key point in the design of a rainwater harvesting system. On the one hand, the performance of the system will be largely determined by the correct sizing of the storage, since undersized storage is synonymous with mediocre performance. On the other hand, storage is the main item in the cost of a system, so unnecessary oversizing is synonymous with additional costs that could have been avoided. Determining the "right" size is therefore an important issue. It is therefore appropriate to begin by outlining the general philosophy behind sizing a storage tank for rainwater harvesting (§ 4.1 ). Simplified...
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Sizing
Integrating rainwater use into stormwater management systems
Bibliography
Standards and norms
- Systèmes de récupération de l'eau de pluie pour son utilisation à l'intérieur et à l'extérieur des bâtiments (remplacée par la norme EN 16941-1). - NF P 16-005 - 2011
- Protection contre la pollution de l'eau potable dans les réseaux intérieurs et exigences générales des dispositifs de protection contre la pollution par retour. - NF EN 1717 - 2001
- Rainwater harvesting systems – code of practice [Rainwater...
Regulations
Arrêté du 21 août 2008 relatif à la récupération des eaux de pluie et à leur usage à l'intérieur et à l'extérieur des bâtiments.
Arrêté du 17 décembre 2008 relatif au contrôle des installations privatives de distribution d'eau potable, des ouvrages de prélèvement, puits et forage et des ouvrages de récupération des eaux de pluie.
Guides
ASTEE (Scientific and Technical Association for Water and the Environment). – Guide Technique Récupération et Utilisation de l'eau de pluie. Information and recommendations for the construction of systems using water from roofs and stored in situ. Paris: ASTEE, 65 p., coordinated by Bernard de Gouvello (2015).
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Scientific and technical association for water and the environment (ASTEE) :
International Rainwater Harvesting Alliance (IRHA) :
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