Thermoplastics pipe and fitting systems for hot and cold water for domestic purposes and heating installations in buildings - General requirements1 Scope This part of BS 7291 specifies general requirements and methods of test for thermoplastics pipe and fitting systems intended for use within buildings for the conveyance of cold water, including drinking water, and heated water for use in domestic hot and cold water distribution and heating installations. These systems are also suitable for the conveyance of cold water for a period of 50 years at a temperature of 20 C and a design pressure of

BS EN ISO 10993-12 is not applicable to materials or devices containing live cells

and credibility

including large

BS EN 50464-3 is a British Standard which gives to the user guidance to determine the loadability of an oil-immersed distribution transformer

BS EN 10111 specifies the grades of continuously hot rolled low carbon steel sheet and strip (in coils) for cold forming

BS 2772-2 specifies requirements for wrought steel plates

suitable for numerical analysis

safety and other regulatory matters are not considered specifically

Some of the text has been edited to reduce the risk of misapplication

4 Suitable welding processes

requirements for quality conformance inspection

NOTE: Information relating to the age grading of toys and