You can purchase a copy of the regulations by contacting www.wras.co.uk.
If you wish to install the service pipe either deeper or shallower than these depths you must notify the local water supplier for permission.
Products are considered safe, if they pass tests against regulatory standards for mechanical performance and where appropriate non-metallic materials. For example, these tests check that products won’t affect the taste and smell of drinking water and that they are able to inhibit the growth of bacteria.
The Water Supply (Water Fittings) Regulations and Scottish Water Byelaws give three routes in demonstrating that it is of an appropriate quality or standard.