# The Building Regulations (Northern Ireland) 2012, Regulation 80: Sanitary pipework


Sanitary pipework shall—
(a) consist of pipes and fittings—
(i) of such size, layout, construction and watertightness; and
(ii) with sufficient ventilation,
to ensure the hygienic conveyance of foul water to an underground foul drainage system; and
(b) have such means of access as is necessary to facilitate the clearance of blockages.

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Source: https://www.legislation.gov.uk/nisr/2012/192/regulation/80 (the official version)
Page: https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-80
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.