This Draft Rwanda Standard specifies requirements, sampling and test methods for manhole tops and gully tops made of Polypropylene, Polyethylene or unplasticized poly (vinyl chloride) by a moulding or extrusion process, with a clear opening up to and including 1 000 mm.
It is applicable to manhole tops and gully tops for use in areas subjected to pedestrian and/or vehicular traffic of class A 15 and B 125.
This Standard does not apply to:
⎯
rodding point covers;
⎯
gratings/covers as part of prefabricated drainage channels;
⎯
floor and roof gullies in; and
⎯
surface boxes.
NOTE This Part 6 of DRS 607 is not applicable in isolation, but only in combination with DRS 607-1 and gives guidance for combinations of covers/grating made of PP, PE or PVC–U with frames according to DRS 607-2, DRS 607 -3, DRS 607 -4 and DRS 607 -5.
Road equipment and installations (ICS code(s): 93.080.30)