scope:

This directive includes fundamentals for the planning, calculation, prefabrication and assembly of industrial pipelines that are made of thermoplastics and are laid above ground. Prerequisites for the application of the directive are not only experience in general pipeline construction but also extensive knowledge about the materials specified in Section 1.2.

The pipelines referred to in the directive can be used in order to transport liquid and gaseous substances. The pipelines may be laid either inside buildings, ducts and shafts or outdoors. Pipelines for heating, sanitary and ventilation installations are not dealt with in this directive.

This directive must be considered for the specified area of application. Particularly in the case of pipelines for the transport of environmentally hazardous or toxic substances, there is no need for any additional agreements between the customer and the company performing the work with regard to the application of the directive.

Separate attention must be paid to any laws, regulations or official requirements that demand, extend or restrict the application of this directive. Remarks about this subject are included in Section 2.