This Draft Rwanda Standard specifies requirements, sampling and test methods for gully tops and manhole tops made of composite materials 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, B 125, C 250 and D 400.
This Standard does not apply to:
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manhole tops and gully tops manufactured by means of hand lay-up method;
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gratings/covers as part of prefabricated drainage channels;
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floor and roof gullies in buildings; and
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surface boxes.
NOTE This Part 5 of DRS 607 is not applicable in isolation, but only in combination with DRS 607-1 and gives guidance for combinations of covers/gratings made of composite materials with frames according to DRS 607-2, DRS 607-3, DRS 607-4 or DRS 607-6.
Road equipment and installations (ICS code(s): 93.080.30)