Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics shafts or risers for inspection chambers and manholes. Determination of resistance against surface and traffic loading

Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics shafts or risers for inspection chambers and manholes. Determination of resistance against surface and traffic loading

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1   Scope

This document specifies a method of testing the resistance of the upper assembly of inspection chambers and manhole components against surface and traffic loading.
It is not applicable to requirements for testing the cover and frame. Those requirements are specified in EN 124‑1 or other standards, depending on the material.

NOTE Upper assembly components normally include shafts or risers, cones, telescopic adapters and near surface components.