Drainage below ground

5.3.12Component requirements

Drainage systems shall be constructed with materials that ensure satisfactory service over the life of the system.

Components in accordance with the following standards will generally be acceptable:

BS 65‘Vitrified clay pipes, fittings, joints and ducts, including perforated pipes’.
BS 437‘Cast iron spigots, socket drainpipes and fittings’.
BS 1247‘Manhole step irons’.
BS 4660‘Unplasticised PVC underground drain pipes and fittings’.
BS 4962‘Plastics pipes for use as light duty subsoil drains’.
BS 5911‘Precast concrete pipes, fittings and ancillary products’.
BS 5955‘Plastics pipework including thermoplastic materials’.
BS 6087‘Flexible joints for cast iron drainpipes and fittings (BS 437) and for cast iron soil, waste and ventilating pipes
and fittings (BS 416)’.
BS DD 76‘Draft for development, including precast concrete pipes of composite construction’.
BS EN 588‘Fibre cement pipes for sewers and drains’.
BS EN 124‘Gully tops and manhole tops for vehicular and pedestrian areas’.
BS EN 295‘Vitrified clay pipes, fittings and pipe joints for drains and sewers’.
BS EN 1401-1‘Plastics piping systems for non-pressure underground drainage and sewerage –
Unplasticised poly (vinyl chloride) (PVC-U)’.