Registration number (WIID)Project No.TitleStatus
7211LVS EN 12056-5:2001Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and useStandarts spēkā
7236LVS EN 12255-3:2016Wastewater treatment plants - Part 3: Preliminary treatmentStandarts spēkā
65490LVS EN 14654-4:2021Drain and sewer systems outside buildings - Management and control of activities - Part 4: Control of inputs from usersStandarts spēkā
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
7238LVS EN 12255-5:2001Wastewater treatment plants - Part 5: Lagooning processesStandarts spēkā
31249LVS EN 1253-2:2015Gullies for buildings - Part 2: Roof drains and floor gullies without trapStandarts spēkā
59498LVS EN 1253-4:2016Gullies for buildings - Part 4: Access coversStandarts spēkā
36237LVS EN 16932-1:2018Drain and sewer systems outside buildings - Pumping systems - Part 1: General requirementsStandarts spēkā
66907EN 12255-9:2023Wastewater treatment plants - Part 9: Odour control and ventilationStandarts spēkā
61418LVS CEN/TR 15897:2019Submerged Membrane Bioreactor (MBR) technologyStandarts spēkā
Displaying 541-550 of 566 results.