# The Building Regulations (Northern Ireland) 2012, Regulation 79: Drainage systems


Every building shall be provided with such sanitary pipework, underground foul drainage and rainwater drainage as may be necessary for the hygienic and adequate disposal of foul water and rainwater from that building.

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Source: https://www.legislation.gov.uk/nisr/2012/192/regulation/79 (the official version)
Page: https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-79
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.