Registration number (WIID)Project No.TitleStatus
69387EN 12255-3:2024Wastewater treatment plants - Part 3: Preliminary treatmentStandarts spēkā
66907EN 12255-9:2023Wastewater treatment plants - Part 9: Odour control and ventilationStandarts spēkā
76024EN 16941-1:2024On-site non-potable water systems - Part 1: Systems for the use of rainwaterStandarts spēkā
63909EN 12889:2022Trenchless construction and testing of drains and sewersStandarts spēkā
7242LVS EN 12255-9:2003Wastewater treatment plants - Part 9: Odour control and ventilationStandarts spēkā
66080EN 12255-16:2021Wastewater treatment plants - Part 16: Physical (mechanical) filtrationStandarts spēkā
7209LVS EN 12056-3:2001Gravity drainage systems inside buildings - Part 3: Roof drainage, layout and calculationStandarts spēkā
7197LVS EN 858-2:2003Separator systems for light liquids (e.g. oil and petrol) - Part 2: Selection of nominal size, installation, operation and maintenanceStandarts spēkā
7294CEN/TR 12566-5:2008Small wastewater treatment systems up to 50 PT - Part 5: Pre-treated Effluent Filtration systemsStandarts spēkā
38561LVS CEN/TR 16626:2014Vitrified clay pipe systems for drains and sewers - Guidance for voluntary third-party certification proceduresStandarts spēkā
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