Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 4: Guidance for the assessment of conformity
This CEN Technical Specification gives guidance for the assessment of conformity to be included in the manufacturer's quality plan as part of the quality system.This Technical Specification includes: a) requirements for materials, components and joints given in EN 13476-1, EN 13476-2 and EN 13476-3; b) requirements for the manufacturer's quality; NOTE 1 It is recommended that the quality system conforms to EN ISO 9001:2000 [1]. c) definitions and procedures to be applied if third party certification is involved. NOTE 2 If third party certification is involved, it is recommended that the certification body is accredited to EN 45011 [2] or EN 45012 [3], as applicable.This standard is applicable to: d) structured-wall pipes and fittings, which are intended to be used buried in ground outside the building structure only; reflected in the marking of products by "U"; e) structured-wall pipes and fittings, which are intended to be used buried in ground both outside (application area code "U") and within the building structure (application area code "D"); reflected in the marking of products by "UD". In conjunction with EN 13476-2 and EN 13476-3 it is applicable to structured-wall pipes and fittings with or without an integral socket with elastomeric ring seal joints as well as welded and fused joints.