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BS EN 124-1994
Gully Tops and Manhole Tops for Vehicular and Pedestrian Areas-Design Requirements,Type Testing,Marking,Quality Control Replaces BS 497:Part 1:1976;
适用范围：This standard applies to gully tops and manhole tops with a clear opening up to and including 1000 mm, for installation within areas subjected to pedestrian and/or vehicular traffic. This standard does not apply to surface boxes nor to floor and roof gullies in buildings which are specified in prEN 1253. The purpose of this standard is to establish definitions, classes, materials, design and testing requirements, marking and quality control of gully tops and manhole tops.
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