{
  "url": "https://openlegislation.uk/heathrow-airportlondon-noise-insulation-grants-scheme-1989/schedule/paragraph-9",
  "json_url": "https://openlegislation.uk/heathrow-airportlondon-noise-insulation-grants-scheme-1989/schedule/paragraph-9.json",
  "legislation": "uksi/1989/247",
  "legislation_title": "The Heathrow Airport–London Noise Insulation Grants Scheme 1989",
  "legislation_url": "https://openlegislation.uk/heathrow-airportlondon-noise-insulation-grants-scheme-1989",
  "path": "schedule/paragraph/9",
  "kind": "paragraph",
  "number": "9",
  "heading": "Specification for combined ventilator system",
  "text": "The combined ventilator system shall conform to the design and standards of ventilation and acoustic performance specified in paragraph 2(1), 4(1)(a), 7 and 8 of this Schedule except that the requirement on paragraph 2(1) that the installation be made at the highest level which is reasonably practicable shall not apply.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1989/247/schedule/paragraph/9",
    "retrieved_at": "2026-10-29T15:49:39.256906+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."
}