Registration number (WIID)Project No.TitleStatus
7281EN 12255-15:2003Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsIzstrādē
82764prEN 12056-2 revGravity drainage systems inside buildings - Part 2: Sanitary pipework, layout and calculationIzstrādē
82763-Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge aeration plants using the 0-D-methodIzstrādē
82761-Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge aeration plants using the 1-D-methodIzstrādē
82536prEN 13508-1 revInvestigation and assessment of drain and sewer systems outside buildings - Part 1: General requirementsIzstrādē
65490EN 14654-4:2021Drain and sewer systems outside buildings - Management and control of activities - Part 4: Control of inputs from usersIzstrādē
67881EN 14654-3:2021Drain and sewer systems outside buildings - Management and control of activities - Part 3: Drain and sewer cleaningIzstrādē
35483EN 16323:2014Glossary of wastewater engineering termsIzstrādē
26749EN 12050-4:2015Wastewater lifting plants for buildings and sites - Part 4: Non-return valves for faecal-free wastewater and wastewater containing faecal matterIzstrādē
31248EN 1253-1:2015Gullies for buildings - Part 1: Trapped floor gullies with a depth water seal of at least 50 mmIzstrādē
Displaying 11-20 of 580 results.