
Gully Tops And Manhole Tops For Vehicular And Pedestrian Areas - Part 3: Gully Tops And Manhole Tops Made Of Steel Or Aluminium Alloys
出版:British Standards Institution

专家解读视频
Pertains to gully tops and manhole tops made of mild steel, stainless steel and aluminium alloys whether in combination with concrete or not, with a clear opening up to and including 1000 mm for covering gullies, manholes and inspection chambers for installation in areas subjected to pedestrian and/or vehicular traffic.
Together with BS EN 124-1, BS EN 124-2, BS EN 124-4, BS EN 124-5 and BS EN 124-6, it supersedes BS EN 124. Supersedes 12/30265304 DC. (07/2015)