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Plastics piping systems for non-pressure underground drains and sewers — Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifiers (PP-MD) and polyethylene (PE) — Specifications for manholes and inspection chambers in traffic areas and underground installations
This document specifies the definitions and requirements for buried circular manholes and inspection chambers installed to a maximum depth of 6 m from ground level to the invert of the main channel and manufactured from unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifiers (PP-MD) or polyethylene (PE). These products are intended for use in traffic areas and outside the building structure (application area code “U”) for wastewater (foul wastewater, domestic wastewater, surface water).
NOTE 1 Products conforming with this document are also suitable in non-traffic areas.
This document is only applicable to those chamber/manhole items where the manufacturer has clearly stated in the documentation how the components must be assembled to create a complete manhole or inspection chamber.
The products covered by this document comprise the following:
NOTE 2 Manholes and inspection chambers can be subject to national regulations and/or local provisions.
NOTE 3 Products conforming with this document can be installed in underground applications without additional static calculations.
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