Registration number (WIID)Project No.TitleStatus
66912LVS EN 12255-4:2023Wastewater treatment plants - Part 4: Primary treatmentStandarts spēkā
67880LVS EN 14654-2:2021Drain and sewer systems outside buildings - Management and control of activities - Part 2: RehabilitationStandarts spēkā
25635LVS EN 16506:2015Systems for renovation of drains and sewers - Lining with a rigidly anchored plastics inner layer (RAPL)Standarts spēkā
66908LVS EN 12255-11:2023Wastewater treatment plants - Part 11: General data requiredStandarts spēkā
69389LVS EN 12255-10:2023Wastewater treatment plants - Part 10: Safety principlesStandarts spēkā
67883LVS EN 14654-1:2021Drain and sewer systems outside buildings - Management and control of activities - Part 1: General requirementsStandarts spēkā
67881LVS EN 14654-3:2021Drain and sewer systems outside buildings - Management and control of activities - Part 3: Drain and sewer cleaningStandarts spēkā
31268LVS EN 295-5:2013Vitrified clay pipe systems for drains and sewers - Part 5: Requirements for perforated pipes and fittingsStandarts spēkā
7263LVS EN 274-2:2003Waste fittings for sanitary appliances - Part 2: Test methodsStandarts spēkā
7262LVS EN 274-1:2003Waste fittings for sanitary appliances - Part 1: RequirementsStandarts spēkā
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