Over deze norm
This document applies to gully tops and manhole tops with a clear opening up to and including 1 000 mm for installation within areas subjected to pedestrian and/or vehicular traffic. It applies for manhole tops and gully tops of classes A 15 to F 900 made of flake graphite cast iron and spheroidal graphite cast iron whether in combination with concrete or not. This document is not applicable in isolation but only in combination with prEN 124-1. This document does not apply - for fillings installed on site, eg. concrete, paving blocks etc., - for gratings as part of prefabricated drainage channels according to EN 1433, - to floor and roof gullies in buildings which are specified in EN 1253 (all parts) and to surface boxes.