
Gully Tops And Manhole Tops For Vehicular And Pedestrian Areas - Part 1: Definitions, Classification, General Principles Of Design, Performance Requirements And Test Methods
出版:British Standards Institution

专家解读视频
Pertains to manhole tops and gully tops with a clear opening up to and including 1000 mm for covering gullies, manholes and inspection chambers installed in areas subjected to pedestrian and/or vehicular traffic.
Together with BS EN 124-2, BS EN 124-3, BS EN 124-4, BS EN 124-5 and BS EN 124-6, it supersedes BS EN 124. Supersedes 12/30265301 DC. (07/2015)