CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 80629 | - | Plastics piping systems for non-pressure underground drains and sewers – General requirements for pipes, fittings and the system | Izstrādē |
| 31476 | EN 14982:2006/FprA1 | Plastics piping and ducting systems - Thermoplastics shafts or risers for inspection chambers and manholes - Determination of ring stiffness | Izstrādē |
| 62368 | prCEN ISO/TS 21003-7 rev | Multilayer piping systems for hot and cold water installations inside buildings - Part 7: Guidance for the assessment of conformity | Izstrādē |
| 5919 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 3: Fittings | Izstrādē |
| 5918 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 2: Pipes without or with (integral) socket | Izstrādē |
| 23038 | prEN 15229 | Plastics piping systems - Piping systems for non-pressure underground drainage and sewerage - Performance requirements for thermoplastics manholes and inspection chambers | Izstrādē |
| 20983 | prEN 15013 | Plastics piping systems - Non-pressure drainage and sewerage systems buried in ground - Performance characteristics for pipes, fittings and their joints | Izstrādē |
| 5851 | - | Plastics piping systems for underground drainage and sewage - Polyethylene - Part 6: Guidance for installation | Izstrādē |
| 5850 | - | Plastics piping systems for underground drainage and sewage - High density polyethylene (HD-PE) - Part 5: Fitness for purpose of the system | Izstrādē |
| 64788 | CEN ISO/TS 15876-7:2018 | Plastics piping systems for hot and cold water installations - Polybutylene (PB) - Part 7: Guidance for the assessment of conformity (ISO/PRF TS 15876-7:2018) | Izstrādē |
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