Registration number (WIID)Project No.TitleStatus
30622LVS EN 13508-1:2013Investigation and assessment of drain and sewer systems outside buildings - Part 1: General RequirementsStandarts spēkā
66907EN 12255-9:2023Wastewater treatment plants - Part 9: Odour control and ventilationStandarts spēkā
7299LVS CEN/TR 1295-3:2007Structural design of buried pipelines under various conditions of loading - Part 3: Common methodStandarts spēkā
26743LVS EN 1124-3:2009Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 3: System X - DimensionsStandarts spēkā
66909EN 12255-5:2024Wastewater treatment plants - Part 5: Lagooning processesStandarts spēkā
31266LVS EN 295-3:2012Vitrified clay pipe systems for drains and sewers - Part 3: Test methodsStandarts spēkā
76024EN 16941-1:2024On-site non-potable water systems - Part 1: Systems for the use of rainwaterStandarts spēkā
69387EN 12255-3:2024Wastewater treatment plants - Part 3: Preliminary treatmentStandarts spēkā
37113LVS EN 124-4:2015Gully tops and manhole tops for vehicular and pedestrian areas - Part 4: Gully tops and manhole tops made of steel reinforced concreteStandarts spēkā
67881LVS EN 14654-3:2021Drain and sewer systems outside buildings - Management and control of activities - Part 3: Drain and sewer cleaningStandarts spēkā
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