CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 6227 | - | Plastics piping systems for buried ducting - Polyethylene (PE) - Part 7: Assessment of conformity | Izstrādē |
| 73612 | - | Thermoplastic piping systems - Test methods for the determination of barrier properties of PE piping systems buried in contaminated soils Part 2: Permeation of model substances through metal barrier layers of PE pipes based on diffusion coefficient | Izstrādē |
| 6307 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on various types of resins - Above and below ground assembled from custom made components - Part 5: Fitness for purpose of the system | Izstrādē |
| 73613 | - | Thermoplastic piping systems - Test methods for the determination of barrier properties of PE piping systems buried in contaminated soils Part 1: Permeation of model substances through plastic barrier layers of PE pipes based on diffusion coefficient | Izstrādē |
| 6211 | - | Plastics piping systems for hot and cold domestic water supply, floor heating and central heating - Polyethylene (PE) - Part 6: Recommended practice for installation | Izstrādē |
| 6216 | - | Plastics piping systems for buried ducting - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General | Izstrādē |
| 6180 | - | Plastics piping systems for underground drainage and sewerage under pressure - Glass-reinforced thermosetting plastics (GRP) based on epoxy resin (EP) - Part 4: Ancillary equipment | Izstrādē |
| 6208 | - | Plastics piping systems for hot and cold domestic water supply, floor heating and central heating - Polyethylene (PE) - Part 3: Fittings | Izstrādē |
| 6248 | - | Plastics piping system for civil engineering subsoil drainage - Part 7: Assessment of conformity | Izstrādē |
| 6283 | - | Plastics piping systems for renovation of underground drainage and sewerage networks under pressure - Part 4: Lining with cured-in pipes | Izstrādē |
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