EN 13508-1This description is for standard: EN 13508-1This European Standard is applicable to the establishment of the condition of drain and sewer systems by inspection, status codification and consi
EN 13508-2+A1This description is for standard: EN 13508-2+A1This European Standard is applicable to the establishment of the condition of sewers, drains, manholes and inspection chambers by inspection
EN 14654-1This description is for standard: EN 14654-1This European Standard specifies the general principles for the management and control of cleaning operations in drain and sewer systems and speci