
Plastics Piping Systems for Non-pressure Underground Drainage and Sewerage - Unplasticized Poly(vinyl Chloride) (pvc-u), Polypropylene (pp) and Polyethylene (pe) Part 2: Specifications for Manholes and Inspection Chambers
出版:National Standards Authority of Ireland

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Describes the definitions and requirements for buried manholes and inspection chambers installed in non-pressure drainage and sewerage systems to a maximum depth of 6 m from ground level to the invert of the main chamber and manufactured from unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifier (PP-MD) or polyethylene (PE).