Registration number (WIID)Project No.TitleStatus
39500EN 295-2:2013/prA1Vitrified clay pipe systems for drains and sewers - Part 2: Evaluation of conformity and samplingIzstrādē
39496prEN 12566-4 revSmall wastewater treatment systems for up to 50 PT - Part 4: Septic tanks assembled in situ from prefabricated kitsIzstrādē
31269EN 295-6:2013Vitrified clay pipes systems for drain and sewers - Part 6: Requirements for components of manholes and inspection chambersIzstrādē
31270EN 295-7:2013Vitrified clay pipe systems for drains and sewers - Part 7: Requirements for pipes and joints for pipe jackingIzstrādē
31267EN 295-4:2013Vitrified clay pipe systems for drains and sewers - Part 4: Requirements for adaptors, connectors and flexible couplingsIzstrādē
69385prEN 12255-15 revWastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsIzstrādē
69386EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationIzstrādē
70515EN 476:2022General requirements for components used in drains and sewersIzstrādē
7299CEN/TR 1295-3:2007Structural design of buried pipelines under various conditions of loading - Part 3: Common methodIzstrādē
26775prEN 295-4 revVitrified clay pipes and fittings and pipe joints for drains and sewers - Part 4: Requirements for special fittings, adaptors and compatible accessoriesIzstrādē
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