This Part 3 of EN 13566, read in conjunction with EN 13566-1:2002, specifies requirements and test methods for close-fit lining systems intended to be used for the renovation of non-pressure drainage and sewerage networks. It covers pipes and fittings made of polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U). It is applicable to the plastic lining system only. It does not cover the requirements for the existing pipeline.