It covers buried pipework, as well as piping systems buried within the building structure.
In the case of industrial discharge, it is necessary that the chemical and temperature resistance be taken into account, but this will need to be done separately.
ISO 8772:2006 is applicable to PE pipes with or without an integral socket.
This International Standard is applicable to PE pipes and fittings for the following types of joints: elastomeric ring seal joints; butt fused joints; electrofusion joints; mechanical joints.
ISO 8772:2006 also specifies the test parameters for the test methods referred to therein.