scope:

This European Prestandard gives guidance for the assessment of conformity intended to be included in the manufacturer's quality plan as part of the quality system. This prestandard includes: a) requirements for materials, components, joints and assemblies given in Parts 1 to 5 of EN 1452:1999; b) requirements for the manufacturer's quality system; c) definitions and procedures to be applied if third party certification is involved. In conjunction with Parts 1 to 5 of EN 1452:1999 it is applicable to PVC-U piping systems intended to be used for the following: a) water mains and services buried in ground; b) conveyance of water above ground for both outside and inside buildings; for the supply of water under pressure at approximately 20°C (cold water) intended for human consumption and for general purposes. This prestandard is also applicable to PVC-U piping systems for the conveyance of water up to and including 45°C. For temperatures between 25°C and 45°C figure A.1 in annex A of EN 1452-2:1999 applies.