Registration number (WIID)Project No.TitleStatus
76252prEN 124-700Gully tops and manhole tops for vehicular and pedestrian areas - Part 700: Factory production control, thirdparty monitoring and certification for gully tops and manhole tops made of polyamideAptauja slēgta
81482EN 752:2017/prA1Drain and sewer systems outside buildings — Sewer system managementAptauja slēgta
7241LVS EN 12255-8:2002Wastewater treatment plants - Part 8: Sludge treatment and storageAtcelts
7252LVS EN 12255-13:2003Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationAtcelts
7253LVS EN 12255-14:2004Wastewater treatment plants - Part 14: DisinfectionAtcelts
7285LVS EN 295-2:1991/A1:1999Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 2: Quality controlAtcelts
7289LVS EN 13508-2:2003Condition of drain and sewer systems outside buildings - Part 2: Visuel inspection coding systemAtcelts
7239LVS EN 12255-6:2003Wastewater treatment plants - Part 6: Activated sludge processAtcelts
7284LVS EN 295-1:1991/A3:1999Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 1: RequirementsAtcelts
25577LVS EN 13508-2:2003 /AC:2007Conditions of drain and sewer systems outside buildings - Part 2: Visual inspection coding systemAtcelts
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