Substructure, Ground Floors, Drainage and Basements

5.3Drainage below ground

This chapter gives guidance on meeting the Technical Requirements for foul, surface water and ground water drainage systems.

This chapter does not apply to the adoption of sewers under Section 104 agreement of the Water Industry Act 1991 or the Sewerage (Scotland) Act 1968. For information on standards required for adopted sewers, contact the local sewerage undertaker and other relevant authorities.