{
  "url": "https://openlegislation.uk/southampton-to-london-pipeline-development-consent-order-2020/article-6",
  "json_url": "https://openlegislation.uk/southampton-to-london-pipeline-development-consent-order-2020/article-6.json",
  "legislation": "uksi/2020/1099",
  "legislation_title": "The Southampton to London Pipeline Development Consent Order 2020",
  "legislation_url": "https://openlegislation.uk/southampton-to-london-pipeline-development-consent-order-2020",
  "path": "article/6",
  "kind": "article",
  "number": "6",
  "heading": "Limits of deviation",
  "text": "(1) In carrying out, maintaining or diverting the authorised development, the undertaker may—\n(a) deviate the pipeline works and the valve works laterally within the extent of the limits of deviation for those works shown on the works plans;\n(b) deviate the pipeline works vertically upwards to a limit of not less than 1.2 metres below the surface of the ground (except where ground conditions make compliance with this upwards limit impracticable in which case the upwards limit is 0.7 metres below the surface of the ground);\n(c) deviate the pipeline works vertically downwards—\n(i) in respect of those sections of the pipeline works which may be constructed and installed using trenched construction methods, to such extent as may be found necessary or convenient to a maximum depth of 4 metres below the surface of the ground (except where ground conditions or existing infrastructure make compliance with this downwards limit impracticable in which case the downwards limit is extended to 5 metres below the surface of the ground, following consultation with the Environment Agency and provided that such extension does not give rise to any new or materially different environmental effects to those assessed in the environmental statement); and\n(ii) in respect of those sections of the pipeline works which may be constructed and installed using trenchless construction methods, to such extent as may be found necessary or convenient to a maximum depth of 12 metres below the surface of the ground (except that, in respect of Works Nos. 1D and 1G, the downwards limit is 16 metres below the surface of the ground and, in respect of Work No. 1Eii, the downwards limit is 50 metres below the surface of the ground);\n(d) deviate the valve works vertically—\n(i) upwards or above ground level to the height limits set for those works in Schedule 1 (authorised development); and\n(ii) downwards to any extent as may be found necessary or convenient to a maximum depth of 4 metres below the surface of the ground.\n(2) The maximum limits of vertical deviation specified in paragraphs (1)(b), (c) and (d) do not apply where it is demonstrated by the undertaker to the Secretary of State’s satisfaction and the Secretary of State, following consultation with the relevant planning authority, certifies accordingly that a deviation in excess of these limits would not give rise to any materially new or materially different environmental effects to those identified in the environmental statement.\n(3) In this article “the valve works” means Works Nos. 2B to 2G (inclusive) and 2I to 2O (inclusive) as set out in Schedule 1 (authorised development).",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2020/1099/article/6",
    "retrieved_at": "2026-10-28T22:24:39.657550+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."
}