Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - General1 Scope This document specifies the requirements and test methods for plastics piping systems intended to be used for the renovation of underground non pressure drainage and sewerage networks, which are operated as gravity systems and subjected to a maximum surcharge pressure of 0,5 bar1. 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

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