Water supply pipes and fittings accepted by this Authority for installation in inside services should be under one of the following categories:

1. Water supply pipes and fittings marked in accordance with the appropriate British Standard and bearing the registered certification trade mark of the British Standard Institution (the B.S. Kitemark).

2. Water supply pipes and fittings accepted and certified by the Water Research Centre of U.K. for compliance with the requirements of The Water Supply (Water Fittings) Regulations/Water Byelaws in UK.

3. Water supply pipes and fittings approved by this Authority as suitable for use locally in conformity with the Waterworks Ordinance and Regulations.

Pipes and fittings to be installed in the water supply plumbing system must be one of the above categories in respect of their types and origin as approved by this Authority and conform to Waterworks requirements.

To obtain approval on your pipes and fittings from this Authority, you are required to produce certification from the British Standard Institution, the U.K. Water Research Centre or testing agents approved by this Authority to the effect that the pipes and fittings comply with the requirements of the Waterworks Regulations.

Under Category(c) of compliance of water supply fittings, this Authority issues acceptance letters for draw-off taps, stop valves, gate valves, ball valves, mixing valves and combination fittings. The approved testing agents for testing Category(c) fittings are listed in Annex.

Any one of the approved testing agents can give you advice on the testing requirements as soon as they have details of your pipes and fittings.

When you submit your application, you are required to send us a test report (original or certified true copy) together with six copies of the catalogue of the pipes and fittings under a covering letter and no application form is required.

Annex