Registration number (WIID)Project No.TitleStatus
7282-Classification of drains and sewers, optical inspection and assessmentIzstrādē
7213EN 12109:1999Vacuum drainage systems inside buildingsIzstrādē
7210EN 12056-4:2000Gravity drainage systems inside buildings - Part 4: Wastewater lifting plants - Layout and calculationIzstrādē
7250-Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 2: FiltrationIzstrādē
7211EN 12056-5:2000Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and useIzstrādē
39495EN 752:2017Drain and sewer systems outside buildings - Sewer system managementIzstrādē
7301CEN/TR 14920:2005Jetting resistance of drain and sewer pipes - Moving jet test methodIzstrādē
7255prEN 12255-1Wastewater treatment plants - Part 1: General construction principlesIzstrādē
61344EN 15885:2018Classification and characteristics of techniques for renovation, repair and replacement of drains and sewersIzstrādē
37117CEN/TR 1295-4:2015Structural design of buried pipelines under various conditions of loading - Part 4: Parameters for reliability of the designIzstrādē
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