Registration number (WIID)Project No.TitleStatus
31266LVS EN 295-3:2012Vitrified clay pipe systems for drains and sewers - Part 3: Test methodsStandarts spēkā
36597LVS EN 13508-2+A1:2011Investigation and assessment of drain and sewer systems outside buildings - Part 2: Visual inspection coding systemStandarts spēkā
72612EN 12255-2:2026Wastewater treatment plants - Part 2: Storm water management systemsStandarts spēkā
66908EN 12255-11:2023Wastewater treatment plants - Part 11: General data requiredStandarts spēkā
69684CEN/TR 17614:2021Standard method for assessing and improving the energy efficiency of waste water treatment plantsStandarts spēkā
41267EN 12566-7:2016Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment unitsStandarts spēkā
66912EN 12255-4:2023Wastewater treatment plants - Part 4: Primary treatmentStandarts spēkā
7294LVS CEN/TR 12566-5:2009Small wastewater treatment systems up to 50 PT - Part 5: Pre- treated Effluent Filtration systemsStandarts 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
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
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