Registration number (WIID)Project No.TitleStatus
72612LVS EN 12255-2:2026Wastewater treatment plants - Part 2: Storm water management systems 
7242LVS EN 12255-9:2003Wastewater treatment plants - Part 9: Odour control and ventilationStandarts spēkā
60732LVS EN 16933-2:2018Drain and sewer systems outside buildings - Design - Part 2: Hydraulic designStandarts spēkā
7213LVS EN 12109:2000Vacuum drainage systems inside buildingsStandarts spēkā
7225LVS EN 12763:2001Fibre-cement pipes and fittings for discharge systems for buildings - Dimensions and technical terms of deliveryStandarts spēkā
7209LVS EN 12056-3:2001Gravity drainage systems inside buildings - Part 3: Roof drainage, layout and calculationStandarts spēkā
31268LVS EN 295-5:2013Vitrified clay pipe systems for drains and sewers - Part 5: Requirements for perforated pipes and fittingsStandarts spēkā
70515LVS EN 476:2022General requirements for components used in drains and sewersStandarts spēkā
38561LVS CEN/TR 16626:2014Vitrified clay pipe systems for drains and sewers - Guidance for voluntary third-party certification proceduresStandarts spēkā
7264LVS EN 274-3:2003Waste fittings for sanitary appliances - Part 3: Quality controlStandarts spēkā
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