This standard specifies requirements for vitrified clay pipes, fittings and pipe joints for drains and sewers to be in conformance with the requirements of the Mandate M 118 " Waste Water Engineering Products" as well as the Mandate M 131 " Pipes, Tanks and Ancillaries not in contact with water for human consumption"
In this scope it applies to:
- vitrified clay pipes, fittings and pipe joints
- special fittings, adaptors and compatible accessories
- perforated vitrified clay pipes and fittings
- vitrified clay manholes and
- vitrified clay pipes and joints for pipe jacking
for drain or sewer systems for the conveyance of sewage and surface water (including rain water) under gravity or occasionally at low head of pressure.