Page 266 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)

The City & Guilds Textbook: Plumbing Book 1

4 SOURCES OF INFORMATION

RELATING TO COLD WATER

SYSTEMS

The sources of information to be used when undertaking work on cold water
systems are:
● statutory regulations
● industry standards
● manufacturers’ instructions.
Statutory regulations

The Water Supply (Water Fittings) Regulations 1999

Before 1999, each water authority had its own set of water bye-laws that were
based upon the 101 Model Water Bye-laws issued by the UK Government in
1986. The problem was that each water undertaker had local variations, which
caused much confusion as there was no ‘common’ standard throughout the UK.

On 1 July 1999, the Office of the Deputy Prime Minister issued the first ever
water regulations to be enforced in the UK. They are known as the Water
Supply (Water Fittings) Regulations 1999 and offer a common practice
throughout the UK. They are linked to a British Standard, BS EN 806 –
Specification for installations inside buildings conveying water for human
consumption.

KEY POINT
BS EN 806 – Specification for installations inside buildings conveying water
for human consumption is a relatively new British Standard that came into
force in 2011. It is divided into five parts:
1 General recommendations
2 Design
3 Pipe sizing
4 Installation
5 Operation and maintenance.
Linked with this is a second British Standard, BS EN 8558 – Guide to the
design, installation, testing and maintenance of services supplying water
for domestic use within buildings and their curtilages. Together, these two
publications replace the old British Standard, BS 6700 – Design, installation,
testing and maintenance of services supplying water for domestic use
within buildings and their curtilages. However, parts of BS 6700 that are
not covered in either BS EN 806 or BS EN 8558 are retained. For more
information, go to the Water Regulations Advisory Scheme’s website at: www.
wras.co.uk

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