This standard outlines the specifications for plastic piping systems used in the renovation of underground non-pressure drainage and sewage networks. It focuses on the third part of the series, which deals with the internal lining of closely fitted pipes. The document provides detailed requirements regarding the materials, dimensions, and performance criteria for such systems. It also includes testing methods and safety considerations to ensure the proper functionality and durability of the piping systems in underground applications. The standard is designed to support the installation and maintenance of these systems in various environmental conditions.
*** Please note: This description may not be accurate, please refer to the official documentation.