CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 80261 | prEN ISO 11300-4 | Piping systems for rehabilitation of underground drains, sewers and water supply networks - Part 4: Thermoplastic composite materials (ISO/DIS 11300‑4:2025) | Aptauja slēgta |
| 79541 | prEN 15383 | Plastics piping systems for drainage and sewerage - Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) - Manholes and inspection chambers | Aptauja slēgta |
| 81053 | prEN 17151-2 | Plastics piping systems for non-pressure underground conveyance and storage of surface water - Part 2: Test method for determination of creep behaviour of boxes | Aptauja slēgta |
| 81414 | prEN ISO 18489 | Thermoplastic materials for piping systems - Determination of resistance to slow crack growth under cyclic loading - Cracked Round Bar (CRB) test method (ISO/DIS 18489:2025) | Aptauja slēgta |
| 80765 | prEN 13598-1 | Plastics piping systems for non-pressure underground drains and sewers - Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: Specifications for ancillary fittings and shallow chambers | Aptauja slēgta |
| 80766 | prEN 13598-2 | Plastics piping systems for non-pressure underground drains and sewers - Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 2: Specifications for manholes and inspection chambers | Aptauja slēgta |
| 82730 | prEN 17151-1 | Plastics piping systems for non-pressure underground conveyance and storage of surface water - Part 1: Test method for determination of long-term compression strength of boxes | Aptauja slēgta |
| 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 |
| 82732 | prEN 17152-1 | Plastics piping systems for non-pressure underground conveyance and storage of surface water - Boxes used for infiltration, attenuation and storage systems - Part 1: Specifications for boxes made of PP and PVC-U | Aptauja slēgta |
| 80872 | prEN ISO 13760 | Plastics pipes for the conveyance of fluids under pressure - Miner's rule - Calculation method for cumulative damage (ISO/DIS 13760:2026) | Aptauja |
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