Page 608 - 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

Manufacturer technical instructions
INDUSTRY TIP
Manufacturers’ instructions should be used when assembling, installing,
Following the manufacturer’s repairing and maintaining sanitary equipment, components and appliances.
installation and servicing Installing to the written instructions provided is the best way to ensure
instructions is a requirement compliance with the Regulations in force and the recommendations of the
of any guarantee or warranty British Standards.
given with the appliance or
component. Design requirements

The design of the system will give vital information with regard to the position
and number of appliances installed, and the pipework size and material type. It
is important that the design is followed.

Storage and protection of sanitary appliances
INDUSTRY TIP
Sanitary appliances are expensive, and require great care when handling,
You can access Building transporting, storing and installing them. To protect sanitary appliances:
Regulations 2010 Approved ● store in a clean, dry place away from cements, mortars and plaster
Document H3 (Rainwater ● always leave the protective cover on for as long as possible; the protective
Drainage) at: www.gov.uk/ wrappers should be removed before installation so that a check can be made
government/uploads/system/
uploads/attachment_data/ for damage and defects
file/442889/BR_PDF_ ● always store the items on timber battens and not directly on the ground
AD_H_2015.pdf ● stack items very carefully
● leave plenty of space for removing and replacing items from storage.

We must remember that the installation of AGDS is covered both by Building
KEY TERM Regulations Document H3 (Rainwater Drainage) and BS EN 12056. These

Code of practice: similar to important documents restrict the systems we install and the materials we use,
a British Standard, this is to ensure that hygienic conditions are maintained in dwellings and buildings at
a set of rules that explains all times. The way we install them is also an important issue and is subject to
how people should behave a code of practice. This is BS 8000 Part 13: Workmanship on building sites.
in their chosen profession. Code of Practice for above ground drainage and sanitary appliances: 1989.

Preparation before installation

On new-build installations such as multi-dwelling housing developments, the
position of the soil and vent pipework will be determined by the drain connection
INDUSTRY TIP installed to the architect’s drawings. Any preparation work required to allow
the installation of the sanitary pipework should be agreed with the relevant
It is a good idea to check trades beforehand. For instance, on some sites, any holes required in brickwork
the preparation work to
ensure that pipe and fitting or timberwork is undertaken by the building or joinery contractors. This must be
clearances are adequate. completed prior to our installation to avoid unnecessary and costly delays.
Types of materials

Generally speaking, the materials used on modern AGDS are made from plastic.
The range of plastics used are covered in Chapter 2, Common processes and
techniques, but are briefly summarised here in Table 9.10.

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