ÖNORM EN 12566-1

This document specifies characteristics and related requirements, assessment methods, the marking and assessment and verification of constancy of performance (AVCP) procedures for packaged and/or site assembled septic tank used for populations up to 50 inhabitants. Packaged and/or site assembled septic tanks in accordance with this document are: • used for the primary treatment of domestic wastewater including that of guest houses and businesses; • made of concrete, steel, Unplasticized Polyvinylchloride (PVC-U), Polyethylene (PE), Polypropylene (PP), Glass Reinforced Polyester (GRP-UP) and/or Polydicyclopentadiene (PDCPD); • with or without elastomeric seals for joints made of vulcanized rubber; • used buried in the ground; • with or without extension shaft; • with a nominally capacity of at least 2 m³; • made of prefabricated components that are factory or site-assembled by one manufacturer and which are tested as a whole. This document does not cover packaged and/or site assembled septic tank: • where vehicle loads apply to it; • receiving grey water only.