Registration number (WIID)Project No.TitleStatus
7188LVS EN 588-2:2002 AFibre cement pipes for drains and sewers - Part 2: Manholes and inspection chambresStandarts spēkā
7262LVS EN 274-1:2003Waste fittings for sanitary appliances - Part 1: RequirementsStandarts spēkā
7208LVS EN 12056-2:2001Gravity drainage systems inside buildings - Part 2: Sanitary pipework, layout and calculationStandarts spēkā
66910LVS EN 12255-6:2023Wastewater treatment plants - Part 6: Activated sludge processStandarts spēkā
69390LVS EN 12255-14:2023Wastewater treatment plants - Part 14: DisinfectionStandarts spēkā
30887LVS EN 1917:2003 /AC:2008Concrete manholes and inspection chambers, unreinforced, steel fibre and reinforcedStandarts spēkā
66316LVS EN 16933-1:2022Drain and sewer systems outside buildings - Design - Part 1: Layout principlesStandarts spēkā
69386LVS EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationStandarts spēkā
36597LVS EN 13508-2+A1:2011Investigation and assessment of drain and sewer systems outside buildings - Part 2: Visual inspection coding systemStandarts spēkā
7294LVS CEN/TR 12566-5:2009Small wastewater treatment systems up to 50 PT - Part 5: Pre- treated Effluent Filtration systemsStandarts spēkā
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