Registration number (WIID)Project No.TitleStatus
7298prEN 12050-4/prA1Effluent lifting plants for buildings and sites - Principles of construction and testing - Part 4: Non-return valves for faecal free effluent and effluent containing faecal matterIzstrādē
7296prEN 12050-2/prA1Effluent lifting plants for buildings and sites - Principles of construction and testing - Part 2: Effluent lifting plants for faecal free effluentIzstrādē
66080EN 12255-16:2021Wastewater treatment plants - Part 16: Physical (mechanical) filtrationIzstrādē
7295prEN 12050-1/prA1Wastewater lifting plants for buildings and sites - Principles of construction and testing - Part 1: Lifting plants for wastewater containing faecal matterIzstrādē
66082prEN 14396 revFixed ladders for manholesIzstrādē
66083prEN 12380 revAir admittance valves for drainage systems - Requirements, tests methods and evaluation of conformityIzstrādē
76645FprEN 12255-7:2024Wastewater treatment plants - Part 7: Biological fixed-film reactorsIzstrādē
80662prCEN/TR 15897 revSubmerged Membrane Bioreactor (MBR) technologyIzstrādē
66078prEN 1433 revDrainage channels for vehicular and pedestrian areas - Classification, design and testing requirements, marking and evaluation of conformityIzstrādē
61481EN 16397-1:2014/prA1Flexible couplings - Part 1: Performance requirementsIzstrādē
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