DRS 607-4: 2025, Gully tops and manhole tops for vehicular and pedestrian areas — Specification — Part 4: Gully tops and manhole tops made of steel reinforced concrete.

来源：epingalert 发布时间：2025-07-07 浏览量：*

通告成员：

Rwanda

通告类型：

TBT

通告发布时间：

2025-07-07

评议截止时间：

2025-09-05

通告描述：

This Draft Rwanda Standard specifies requirements, sampling and test methods for precast gully tops and manhole tops made of steel reinforced concrete 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, D 400, E 600 and F 900.
This Standard does not apply to:
— concave gratings for class D 400 installed in carriageways of roads or hard shoulders and concave gratings for classes F 900 and E 600;
— gratings/covers as part of prefabricated drainage channels;
— floor and roof gullies in buildings; and
— surface boxes.
NOTE This part 4 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 steel reinforced concrete with frames according to DRS 607-2, DRS 607-3, DRS 607-5 and DRS 607-6.

文档编号：

G/TBT/N/RWA/1234

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ICS Code：

93.080.30 - Road equipment and installations

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通告目的：

Consumer information, labelling (TBT)
Prevention of deceptive practices and consumer protection (TBT)
Protection of human health or safety (TBT)
Protection of the environment (TBT)
Quality requirements (TBT)
Reducing trade barriers and facilitating trade (TBT)
Cost saving and productivity enhancement (TBT)

DRS 607-4: 2025, Gully tops and manhole tops for vehicular and pedestrian areas — Specification — Part 4: Gully tops and manhole tops made of steel reinforced concrete.

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