BS EN ISO 11300-3:2026

This standard BS EN ISO 11300-3:2026 Piping systems for rehabilitation of underground drains, sewers and water supply networks is classified in these ICS categories:

• 93.030 External sewage systems
• 91.140.80 Drainage systems
• 23.040.20 Plastics pipes
• 23.040.45 Plastics fittings
• 93.025 External water conveyance systems

This document specifies requirements and test methods for pipes and fittings which are part of piping systems for the rehabilitation of non-pressure underground drains and sewers. NOTE            It is not applicable to use of PVC-U material for rehabilitation of pipes under pressure. It is applicable to unplasticized poly (vinyl chloride) (PVC-U) pipes, fittings and assemblies, as manufactured and as installed with service temperature not exceeding 35 °C. It is not applicable to the existing pipeline. This document is applicable to the renovation technique family “lining with close-fit pipes”.