The right scope of the notified document for clarity: This Draft Rwanda Standard specifies classification, general design, performance requirements and test methods for gully tops and manhole tops. It applies for manhole tops and gully tops with a clear opening up to and including 1 000 mm for installation within areas subjected to pedestrian and/or vehicular traffic. This standard is not applicable to gratings as part of prefabricated drainage channels, floor and roof gullies in buildings and surface boxes. NOTE This Part 1 of DRS 607 is not applicable in isolation, but only in combination with DRS 607-2, DRS 607-3, DRS 607-4, DRS 607-5 and DRS 607-6.