CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 80344 | FprCEN/TS 1852-2 | Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Part 2: Guidance for the assessment of conformity | Izstrādē |
| 80343 | FprCEN/TS 1401-2 | Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Guidance for the assessment of conformity | Izstrādē |
| 80261 | prEN ISO 11300-4 | Piping systems for rehabilitation of underground drainage, sewerage and water supply networks — Part 4: Thermoplastic composite materials | Izstrādē |
| 80181 | prCEN ISO/TS 23818-2 rev | Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines — Part 2: Thermoset composite materials | Izstrādē |
| 80026 | prCEN/TS 13476-4 rev | Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 4: Assessment of conformity | Izstrādē |
| 79759 | prEN ISO 11300-2 | Piping systems for rehabilitation of underground drains, sewers and water supply networks-Part 2: Thermoset composite materials (ISO/DIS 11300-2:2025) | Aptauja slēgta |
| 79635 | prCEN ISO/TS 23818-3 rev | Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines — Part 3: Unplasticised poly(vinyl chloride) (PVC-U) material | Izstrādē |
| 79634 | prCEN ISO/TS 23818-1 rev | Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines — Part 1: Polyethylene (PE) material | Izstrādē |
| 79633 | prEN ISO 11295 | Plastics piping systems used for the rehabilitation of pipelines - Classification and overview of strategic, tactical and operational activities (ISO/DIS 11295:2025) | Aptauja |
| 79622 | prEN ISO 11300-3 | Piping systems for rehabilitation of underground drains, sewers and water supply networks - Part 3: Unplasticized poly (vinyl chloride) (PVC-U) material (ISO/DIS 11300-3:2025) | Aptauja slēgta |
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