Registration number (WIID)Project No.TitleStatus
65490EN 14654-4:2021Drain and sewer systems outside buildings - Management and control of activities - Part 4: Control of inputs from usersStandarts spēkā
67883EN 14654-1:2021Drain and sewer systems outside buildings - Management and control of activities - Part 1: General requirementsStandarts spēkā
35483LVS EN 16323:2014Glossary of wastewater engineering termsStandarts spēkā
7271LVS EN 13380:2002General requirements for components used for renovation and repair of drain and sewer systems outside buildingsStandarts spēkā
66907EN 12255-9:2023Wastewater treatment plants - Part 9: Odour control and ventilationStandarts spēkā
67881EN 14654-3:2021Drain and sewer systems outside buildings - Management and control of activities - Part 3: CleaningStandarts spēkā
69387EN 12255-3:2024Wastewater treatment plants - Part 3: Preliminary treatmentStandarts spēkā
66909EN 12255-5:2024Wastewater treatment plants - Part 5: Lagooning processesStandarts spēkā
36236LVS EN 1124-4:2014Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for wastewater systems - Part 4: Components for vacuum drainage systems and for drainage systems on shipsStandarts spēkā
31267LVS EN 295-4:2013Vitrified clay pipe systems for drains and sewers - Part 4: Requirements for adaptors, connectors and flexible couplingsStandarts spēkā
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