CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 66908 | LVS EN 12255-11:2023 | Wastewater treatment plants - Part 11: General data required | Standarts spēkā |
| 66908 | EN 12255-11:2023 | Wastewater treatment plants - Part 11: General data required | Izstrādē |
| 66907 | LVS EN 12255-9:2023 | Wastewater treatment plants - Part 9: Odour control and ventilation | Standarts spēkā |
| 66907 | EN 12255-9:2023 | Wastewater treatment plants - Part 9: Odour control and ventilation | Standarts spēkā |
| 66906 | LVS EN 12255-8:2024 | Wastewater treatment plants - Part 8: Sludge treatment and storage | Standarts spēkā |
| 66906 | EN 12255-8:2024 | Wastewater treatment plants - Part 8: Sludge treatment and storage | Standarts spēkā |
| 66900 | prEN 12255-1 rev | Wastewater treatment plants - Part 1: General construction principles | Izstrādē |
| 66898 | prEN 1124-1 rev | Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 1: Requirements, testing, quality control | Izstrādē |
| 66897 | prEN 1123-2 rev | Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Part 2: Dimensions | Izstrādē |
| 66896 | prEN 1123-1 rev | Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Part 1: Requirements, testing, quality control | Izstrādē |
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