Registration number (WIID)Project No.TitleStatus
7294CEN/TR 12566-5:2008Small wastewater treatment systems up to 50 PT - Part 5: Pre-treated Effluent Filtration systemsStandarts spēkā
7242LVS EN 12255-9:2003Wastewater treatment plants - Part 9: Odour control and ventilationStandarts spēkā
7209LVS EN 12056-3:2001Gravity drainage systems inside buildings - Part 3: Roof drainage, layout and calculationStandarts spēkā
38561LVS CEN/TR 16626:2014Vitrified clay pipe systems for drains and sewers - Guidance for voluntary third-party certification proceduresStandarts spēkā
7300LVS EN 14457:2004General requirements for components specifically designed for use in trenchless construction of drains and sewersStandarts spēkā
7213LVS EN 12109:2000Vacuum drainage systems inside buildingsStandarts spēkā
31268LVS EN 295-5:2013Vitrified clay pipe systems for drains and sewers - Part 5: Requirements for perforated pipes and fittingsStandarts spēkā
61418CEN/TR 15897:2018Submerged Membrane Bioreactor (MBR) TechnologyStandarts spēkā
71307EN ISO 11296-9:2022Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 9: Lining with a rigidly anchored plastics inner layer (ISO/DIS 11296-9:2021)Standarts spēkā
69684CEN/TR 17614:2021Standard method for assessing and improving the energy efficiency of waste water treatment plantsStandarts spēkā
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