CEN/TC 165

Registration number (WIID)Project No.TitleStatus
65490LVS EN 14654-4:2021Drain and sewer systems outside buildings - Management and control of activities - Part 4: Control of inputs from usersStandarts spēkā
60732LVS EN 16933-2:2018Drain and sewer systems outside buildings - Design - Part 2: Hydraulic designStandarts spēkā
26747LVS EN 12050-2:2015Wastewater lifting plants for buildings and sites - Part 2: Lifting plants for faecal-free wastewaterStandarts spēkā
76645LVS EN 12255-7:2026Wastewater treatment plants - Part 7: Biological fixed-film reactorsStandarts spēkā
7236LVS EN 12255-3:2016Wastewater treatment plants - Part 3: Preliminary treatmentStandarts spēkā
31268LVS EN 295-5:2013Vitrified clay pipe systems for drains and sewers - Part 5: Requirements for perforated pipes and fittingsStandarts spēkā
7213LVS EN 12109:2000Vacuum drainage systems inside buildingsStandarts spēkā
69388EN 12255-12:2024Wastewater treatment plants - Part 12: Control and automationStandarts spēkā
66910LVS EN 12255-6:2023Wastewater treatment plants - Part 6: Activated sludge processStandarts spēkā
66906EN 12255-8:2024Wastewater treatment plants - Part 8: Sludge treatment and storageStandarts spēkā
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