Registration number (WIID)Project No.TitleStatus
26749LVS EN 12050-4:2015Wastewater lifting plants for buildings and sites - Part 4: Non-return valves for faecal-free wastewater and wastewater containing faecal matterStandarts spēkā
65490LVS EN 14654-4:2021Drain and sewer systems outside buildings - Management and control of activities - Part 4: Control of inputs from usersStandarts spēkā
7199LVS EN 1825-2:2003Grease separators - Part 2: Selection of nominal size, installation, operation and maintenanceStandarts spēkā
76646LVS EN 12255-1:2024Wastewater treatment plants - Part 1: General design and construction principlesStandarts spēkā
7236LVS EN 12255-3:2016Wastewater treatment plants - Part 3: Preliminary treatmentStandarts spēkā
66316LVS EN 16933-1:2022Drain and sewer systems outside buildings - Design - Part 1: Layout principlesStandarts spēkā
7211LVS EN 12056-5:2001Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and useStandarts spēkā
76645EN 12255-7:2026Wastewater treatment plants - Part 7: Biological fixed-film reactorsStandarts spēkā
63909EN 12889:2022Trenchless construction and testing of drains and sewersStandarts spēkā
76024EN 16941-1:2024On-site non-potable water systems - Part 1: Systems for the use of rainwaterStandarts spēkā
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