General requirements

1413 QUALITY ASSURANCE
14131 Standards

Comply with the following Standards and any of the Standards as may be referred to in this section.

Asbestos cement pipes BS 486

Ductile iron pipes BS 4772

Galvanized steel and pipe threads BS 1387 & BS 21

Pre-cast concrete pipes ESCD3.326

UPVC pipes for cold water services BS 3505

UPVC pipes for foul and surface BS 5481

Water drainage.

Serialized coating on iron or steel BS 4921

Vitreous China wash down W.C pans BS 5503

Flanges and bolting for pipes, BS 4504

Valves & fittings

Joints and fittings for use with BS 4346

UPVC pressure pipes

14132 QUALIFICATION OF WORKMEN: Generally comply with the requirements of qualification of workmen in the General Requirements of this Specification.
In addition to these requirements assign at least one person who is thoroughly familiar with the specified requirements and capable of guiding the tradesmen in the selection of material and execution of the works of this section.