CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 5850 | - | Plastics piping systems for underground drainage and sewage - High density polyethylene (HD-PE) - Part 5: Fitness for purpose of the system | Izstrādē |
| 5851 | - | Plastics piping systems for underground drainage and sewage - Polyethylene - Part 6: Guidance for installation | Izstrādē |
| 5918 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 2: Pipes without or with (integral) socket | Izstrādē |
| 5919 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 3: Fittings | Izstrādē |
| 5920 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 4: Valves and auxiliary equipment | Izstrādē |
| 81138 | - | Thermoplastic piping systems for non-pressure underground drains and sewers - Determination of long term relaxation under constant deformation | Izstrādē |
| 83682 | - | Plastic piping systems - Structural design of circular thermoplastic manholes - Guidance under various conditions of loading | Izstrādē |
| 5984 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Above and below ground systems assembled from standard components - Part 3: Fittings | Izstrādē |
| 5983 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Above and below ground systems assembled from standard components - Part 2: Pipes with flexible or rigid joints | Izstrādē |
| 5982 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Above and below ground systems assembled from standard components - Part 1: General | Izstrādē |
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