Registration number (WIID)Project No.TitleStatus
7239EN 12255-6:2002Wastewater treatment plants - Part 6: Activated sludge processAtcelts
7252EN 12255-13:2002Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationAtcelts
7245EN 1124-2:1999Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 2: System S; DimensionsAtcelts
25634prEN 15885Classification and performance characteristics of techniques for renovation and repair of drains and sewersAtcelts
7229EN 12050-4:2000Wastewater lifting plants for buildings and sites - Principles of construction and testing - Part 4: Non-return valves for faecal-free wastewater and wastewater containing faecal matterAtcelts
7265EN 1253-4:1999Gullies for buildings - Part 4: Access coversAtcelts
20826EN 12255-3:2000/AC:2000Wastewater treatment plants - Part 3: Preliminary treatmentAtcelts
32311EN 12566-3:2005+A1:2009Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plantsAtcelts
7190EN 295-5:1994Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 5: Requirements for perforated vitrified clay pipes and fittingsAtcelts
7205EN 295-6:1995Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 6: Requirements for vitrified clay manholesAtcelts
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