This document applies to gully tops and manhole tops with a clear opening up to and including 500 mm for installation within areas subjected to pedestrian and/or vehicular traffic of class A 15 and class B 125. It applies for manhole tops and gully tops for use in areas which can only be used by pedestrians and pedal cyclists (classes A15) and footways, pedestrian areas and comparable areas, car parks or car parking decks (class B125) made of Polypropylene (PP), Polypropylene with mineral modifiers (PP-MD), Polyethylene (PE) or Polyvinylchloride (PVC-U) by a moulding or extrusion process. This part 6 is not applicable in isolation but only in combination with prEN 124-1. It does not apply: for gratings as part of prefabricated drainage channels according to EN 1433; for floor and roof gullies in buildings which are specified in EN 1253 (all parts); for surface boxes.