Registration number (WIID)Project No.TitleStatus
7209LVS EN 12056-3:2001Gravity drainage systems inside buildings - Part 3: Roof drainage, layout and calculationStandarts spēkā
7211LVS EN 12056-5:2001Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and useStandarts spēkā
7275LVS EN 12380:2003Air admittance valves for drainage systems - Requirements, test methods and evaluation of conformityStandarts spēkā
41267LVS EN 12566-7:2016Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment unitsStandarts spēkā
31248LVS EN 1253-1:2015Gullies for buildings - Part 1: Trapped floor gullies with a depth water seal of at least 50 mmStandarts spēkā
41266LVS EN 12566-1:2016Small wastewater treatment systems for up to 50 PT - Part 1: Prefabricated septic tanksStandarts spēkā
66080LVS EN 12255-16:2021Wastewater treatment plants - Part 16: Physical (mechanical) filtrationStandarts spēkā
37115LVS EN 124-6:2015Gully tops and manhole tops for vehicular and pedestrian areas - Part 6: Gully tops and manhole tops made of polypropylene (PP), polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U)Standarts spēkā
66906EN 12255-8:2024Wastewater treatment plants - Part 8: Sludge treatment and storageStandarts spēkā
69388EN 12255-12:2024Wastewater treatment plants - Part 12: Control and automationStandarts spēkā
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