Water Supply Industry Interpretations and Advice

  • Area of Interest : Installation
  • Topic : Pressure testing
  • Title : Plastics pipes - test requirements.
  • Clause Reference : Schedule 2 paragraph 12 & G12.3
  • Reference Number : I03
  • Decision Date : June 2001

The Water Supply (Water Fittings) Regulations, Byelaws in Scotland, offer a choice of methods for pressure testing of plastics pipe systems.

The selection of either Test A, requiring the rapid pressurisation of the system and subsequent inspection for pressure loss and leaks or Test B, pressurisation and monitoring of pressure drop, shall be a matter for the water supplier.