Registration number (WIID)Project No.TitleStatus
7305EN 1123-1:1999/A1:2004Pipes and fittings of longitudinally welded hot-dip galvanized steel pipes with spigot and socket for waste water systems - Part 1: Requirements, testing, quality controlIzstrādē
24504CEN/TC 165 N 1476Vitrified clay pipes and fittings and pipe joints for drains for drains and sewers - Part 5: Requirements for perforated vitrified clay pipes and fittingsIzstrādē
35483EN 16323:2014Glossary of wastewater engineering termsIzstrādē
65384prEN 12566-3Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plantsIzstrādē
7300EN 14457:2004General requirements for components specifically designed for use in trenchless construction of drains and sewersIzstrādē
64290-Mortar for the construction and rehabilitation of drains and sewers outside buildingsIzstrādē
37113EN 124-4:2015Gully tops and manhole tops for vehicular and pedestrian areas - Part 4: Gully tops and manhole tops made of steel reinforced concreteIzstrādē
58405-Submerged Membrane Bioreactor (MBR) TechnologyIzstrādē
76645FprEN 12255-7:2024Wastewater treatment plants - Part 7: Biological fixed-film reactorsIzstrādē
65209prEN 16397-1 revFlexible couplings - Part 1: Performance requirementsIzstrādē
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