{
  "url": "https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-78",
  "json_url": "https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-78.json",
  "legislation": "nisr/2012/192",
  "legislation_title": "The Building Regulations (Northern Ireland) 2012",
  "legislation_url": "https://openlegislation.uk/building-regulations-northern-ireland-2012",
  "path": "regulation/78",
  "kind": "regulation",
  "number": "78",
  "heading": "Application and interpretation",
  "text": "(1) Regulation 82 shall not apply to a drainage system intended for use in connection with a roof or balcony of 6 m2 or less in area, unless that roof or balcony receives a flow of rainwater from another part of a building.\n(2) In this Part—\n“Foul water” means waste from a sanitary appliance and water which has been used for cooking or washing purposes and not contaminated by trade effluent;\n“Rainwater drainage” includes gutters, pipes, drains and fittings which convey rainwater only;\n“Sanitary appliance” has the meaning assigned to it by regulation 84 in Part P;\n“Sanitary pipework” means a pipe or system of pipes for conveying foul water from a fitting to an underground foul drain; and\n“Underground foul drainage” includes drains and private sewers used in connection with buildings but not a system which is solely for the conveyance of subsurface water.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2012/192/regulation/78",
    "retrieved_at": "2026-10-29T01:15:53.727465+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}