4. Lifting stations
Where gravity flow of wastewater cannot be ensured due to the characteristics of the site, a lifting station may be required to lift raw wastewater upstream of primary treatment, pre-treated wastewater upstream of secondary treatment, or treated wastewater downstream of the ANC system for discharge. Irrespective of their location, lift stations must meet the following requirements:
specifications of the NF EN 12050 series of standards (maximum pit test deformation of 7.5%, tightness of substation, connections and access cover). The standard NF EN 12050-1 concerns raw sewage treatment plants and the norme NF EN 12050-2 applies to other items;
IP68-rated pump and...
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Lifting stations
Treated wastewater infiltration
Bibliography
- (1) - MINISTÈRES EN CHARGE DE L'ÉCOLOGIE ET DE LA SANTÉ, CERIB ET CSTB - Cadre destiné aux opérateurs économiques pour la procédure d'agrément des dispositifs d'assainissement non collectif. - http://www.assainissement-non-collectif.developpement-durable.gouv.fr/IMG/pdf/16_10_2023_-_cadre_de_la_procedure_ d_evaluation_anc_-_vf.pdf (2023)....
Standards and norms
- Small wastewater treatment plants for a total equivalent population (TEP) of up to 50 inhabitants – Part 1: prefabricated septic tanks. AFNOR - NF EN 12566-1+A1 - 2004
- Small wastewater treatment plants for a total equivalent population (TEP) of up to 50 inhabitants – Part 3: Domestic wastewater treatment plants ready for use and/or assembled on site. AFNOR - NF EN 12566-3+A2 - 2013
- Small wastewater treatment...
Regulations
Law no. 92-3 of January 3, 1992 on water (consolidated version of July 1 2006).
Council Directive 91/271/EEC of 21 May 1991 concerning urban waste-water treatment (consolidated version from 1 January 2014). OJEU L135 of May 30, 1991.
Arrêté du 7 septembre 2009 fixant les prescriptions techniques applicables aux installations...
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