
Gully Tops and Manhole Tops for Vehicular and Pedestrian Areas Part 6: Gully Tops and Manhole Tops Made of Polypropylene (pp), Polyethylene (pe) or Unplasticized Poly(vinyl Chloride) (pvc-u)
出版:National Standards Authority of Ireland

专家解读视频
Pertains to manhole tops and gully tops made of Polypropylene (PP), Polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U) by a moulding or extrusion process, with a clear opening up to and including 1000 mm for covering gullies, manholes and inspection chambers for installation within areas subjected to pedestrian and/or vehicular traffic.