Registration number (WIID)Project No.TitleStatus
6221-Plastics piping systems for buried ducting - Unplasticized poly(vinyl chloride) (PVC-U) - Part 7: Assessment of conformityIzstrādē
6273-Plastics piping systems for renovation of underground water supply networks - Part 3: Lining with close-fit pipesIzstrādē
6245-Plastics piping system for civil engineering subsoil drainage - Part 4: Ancillary equipmentIzstrādē
6244-Plastics piping system for civil engineering subsoil drainage - Part 3: FittingsIzstrādē
6233-Plastics piping systems for buried ducting - Polypropylene (PP) - Part 7: Assessment of conformityIzstrādē
6229-Plastics piping systems for buried ducting - Polypropylene (PP) - Part 2: PipesIzstrādē
6222-Plastics piping systems for buried ducting - Polyethylene (PE) - Part 1: GeneralIzstrādē
6220-Plastics piping systems for buried ducting - Unplasticized poly(vinyl chloride) (PVC-U) - Part 6: Recommended practice for installationIzstrādē
6182-Plastics piping systems for underground drainage and sewerage under pressure - Glass-reinforced thermosetting plastics (GRP) based on epoxy resin (EP) - Part 6: Recommended practice for installationIzstrādē
6219-Plastics piping systems for buried ducting - Unplasticized poly(vinyl chloride) (PVC-U) - Part 5: Fitness for purpose of the systemIzstrādē
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