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‘Specification for vitrified clay pipes, fittings and ducts, also flexible mechanical joints for use solely with surface water pipes and fittings’.
BS 437‘Specification for cast iron drain pipes, fittings and their joints for socketed and socketless systems’.
BS 4660‘Thermoplastics ancillary fittings of nominal sizes 110 and 160 for below ground gravity drainage and sewerage’.
BS 4962‘Specification for plastics pipes and fittings for use as subsoil field drains’.
BS 5911‘Precast concrete pipes, fittings and ancillary products’.
BS EN 124‘Gully tops and manhole tops for vehicular and pedestrian areas’.
BS EN 295‘Vitrified clay pipe systems for drains and sewers’.
BS EN 588‘Fibre cement pipes for sewers and drains’.
BS EN 877‘Cast iron pipes and fittings, their joints and accessories for the evacuation of water from buildings. Requirements, test methods and quality assurance’.
BS EN 1401-1‘Plastics piping systems for non-pressure underground drainage and sewerage – Unplasticised poly (vinyl chloride) (PVC-U)’.
BS EN 1916‘Concrete pipes and fittings, unreinforced, steel fibre and reinforced’.
BS EN 13101‘Steps for underground man entry chambers. Requirements, marking, testing and evaluation of conformity’.
BS EN 13598-1‘Plastics piping systems for non-pressure underground drainage and sewerage. Unplasticized poly (vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE). Specifications for ancillary fittings including shallow inspection chambers’.