Registration number (WIID)Project No.TitleStatus
69386LVS EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationStandarts spēkā
76646LVS EN 12255-1:2024Wastewater treatment plants - Part 1: General design and construction principlesStandarts spēkā
41265LVS EN 12566-3:2016Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plantsStandarts spēkā
41265EN 12566-3:2016Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plantsStandarts spēkā
66906LVS EN 12255-8:2024Wastewater treatment plants - Part 8: Sludge treatment and storageStandarts spēkā
37117LVS CEN/TR 1295-4:2016Structural design of buried pipelines under various conditions of loading - Part 4: Parameters for reliability of the designStandarts spēkā
26747LVS EN 12050-2:2015Wastewater lifting plants for buildings and sites - Part 2: Lifting plants for faecal-free wastewaterStandarts spēkā
76646EN 12255-1:2024Wastewater treatment plants - Part 1: General design and construction principlesStandarts spēkā
7154LVS EN 1123-1:2000Pipes and fittings of longitudinally welded hot-dip galvanized steel pipes with spigot and socket for waste water systems - Part 1: Requirements, testing, quality controlStandarts spēkā
7240LVS EN 12255-7:2003Wastewater treatment plants - Part 7: Biological fixed-film reactorsStandarts spēkā
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