This document specifies the requirements and test methods for plastics piping systems intended to be used for the renovation of underground drainage and sewerage networks under pressure, including both hydraulically and pneumatically pressurised systems. It is applicable to pipes and fittings, as manufactured, as well as to the installed lining system. It is not applicable to the existing pipeline or any non-structural sprayed coatings or annular filler. This part of ISO 11297 gives the general requirements common to all relevant renovation techniques.