{
  "url": "https://openlegislation.uk/national-grid-hinkley-point-c-connection-project-order-2016/schedule-1/crossheading-wpd-132kv-works",
  "json_url": "https://openlegislation.uk/national-grid-hinkley-point-c-connection-project-order-2016/schedule-1/crossheading-wpd-132kv-works.json",
  "legislation": "uksi/2016/49",
  "legislation_title": "The National Grid (Hinkley Point C Connection Project) Order 2016",
  "legislation_url": "https://openlegislation.uk/national-grid-hinkley-point-c-connection-project-order-2016",
  "path": "schedule/1/crossheading/wpd-132kv-works",
  "kind": "crossheading",
  "number": null,
  "heading": "WPD 132kV WORKS",
  "text": "In the District of North Somerset\nWork No. 4A — AT connection\nWorks to connect Sandford 132kV Substation to the existing 132kV AT route overhead electric line comprising—\n(a) the construction and installation of a temporary diversion of the 132kV overhead electric line between pylons AT24 and AT26, including the installation of temporary conductors and the construction of a temporary mast or masts. The removal of existing pylon AT25 and associated conductors;\n(b) 132kV electricity connection 3.0km in length between the existing Western Power Distribution, AT route and Sandford 400/132kV Substation, shown on Works Plan section D, sheet 1 and 2. The connection consists of—\n(i) 2.3km of overhead electric line including the construction of 9 new pylons and the installation of conductors, insulators and fittings commencing at pylon AT25R on Works Plan section D sheet 2 and terminating at pylon AT33 on Works Plan section D sheet 1; and\n(ii) 700m of underground electric cables and fibre optic cable from a cable sealing end pylon AT33 to be constructed and Sandford 400/132kV Substation as shown on Works Plan section D, sheet 11; and\n(c) the removal of a 1.4km section of the AT 132kV overhead electric line between pylon AT25 and pylon F69 including the removal of 4 pylons (AT25 to AT28 inclusive) as shown on Works Plans section D, sheets 2 and 3.\nThe works include a temporary site compound as shown on Works Plan section D, sheet 1, containing welfare facilities, material laydown and parking areas.\nIn the District of Sedgemoor and the District of North Somerset\nWork No. 4B — F route removal\nThe removal of 47.8km of the F Route 132kV overhead electric line between Bridgwater and Portishead Substation, including the removal of 177 pylons, conductors, insulators and fittings commencing at the location shown on Works Plan section A, sheet 1 and terminating at the location shown on Works Plan section F, sheet 3.\nIn the District of North Somerset\nWork No. 4C — N route connection\nWorks to connect Sandford 400/132kV Substation to the existing 132kV N route overhead electric line, comprising—\n(a) the construction and installation of a temporary diversion of the 132kV overhead electric line between pylons N14 and N16, including the installation of temporary conductors and the construction of a temporary mast. The removal of existing pylon N15 and conductors. Construction of a new pylon N15R;\n(b) the construction and installation of two parallel single circuit 132kV overhead electric lines 300m in length supported by 10 wooden ‘H’ poles (N16A to N20A and N16B to N20B), new pylon N15R and the installation of conductors, insulators and fittings, from the existing N route into Sandford 400/132kV Substation (Work No. 3A) as shown on Works Plan section D, sheet 1; and\n(c) the removal of an approximate 450m section of the N route overhead electric line between pylon F77 and pylon N15R, including the removal of existing pylon N16 and conductor.\nIn the District of North Somerset\nWork No. 4D — W route removal and undergrounding\nWorks to allow the removal of part of the 132kV W route overhead electric line and its undergrounding, comprising—\n(a) the construction and installation of a temporary diversion of the 132kV overhead electric line between pylons W37 and W35, including the installation of temporary conductors and the construction of a temporary mast, shown on Works Plan section D, sheet 11;\n(b) the installation of 10km of underground 132kV electric cables and fibre optic cables commencing at new cable sealing end pylon (W36R) on Works Plan section D, sheet 11 and terminating at Portishead 132kV substation on Works Plan section F, sheet 3;\n(c) the removal of 9.0km of the W Route 132kV overhead electric line commencing at pylon W36 shown on Works Plan section D, sheet 11, and terminating at Portishead 132kV substation on Works Plan section F, sheet 3, including the removal of 34 pylons, conductors, insulators and fittings; and\n(d) the installation and construction of 7 temporary site compounds along the route of the underground cable circuit containing welfare facilities, material lay down and parking areas shown on Works Plans section D, sheets 11 and 13, section E, sheets 1, 2 and 4 and section F, sheet 1.\nIn the District of North Somerset\nWork No. 4E — Portishead 132kV substation\nThe installation of cables and cable sealing ends within Portishead 132kV Substation to allow the replacement of existing overhead electric line connections into the substation with cable connections (Work No. 4D and Work No. 4P) and connections to existing equipment shown on Works Plan section F, sheet 3, to include—\n(a) construction of foundations to support cable sealing ends;\n(b) installation of support structures;\n(c) installation of cable sealing ends and busbar connections to existing equipment; and\n(d) installation of troughs and below-ground services.\nIn the District of North Somerset\nWork No. 4F — Churchill 132kV Substation\nWorks to allow the continued operation of Churchill 132kV Substation shown on Works Plan section D, sheet 14, to include—\n(a) the construction of a new cable sealing end pylon (Y1R);\n(b) the construction and installation of a temporary diversion of the 132kV overhead electric line between pylons Y1R and Y2, including the installation of temporary conductors and the construction of temporary masts or poles;\n(c) the removal of conductors between pylons Y1 and W69;\n(d) the removal of pylon Y1;\n(e) the construction and installation of 132kV overhead electric line and fibre optic cable between pylons W69 and N1, and pylon W69 to pylon Y2 via pylon Y1R including conductors, insulators and fittings;\n(f) the installation of 220m of underground 132kV electric cables and fibre optic cable between a cable sealing end pylon (Y1R) and Churchill 132kV substation; and\n(g) works on the existing substation compound to extend within the current WPD land ownership boundary and connections to existing equipment shown on Works Plan section D, sheet 14, to include—\n(i) construction of foundations to support all new structures, plant and equipment;\n(ii) installation of support structures;\n(iii) installation of low voltage and mechanical equipment;\n(iv) installation of electrical control panels;\n(v) installation of air insulated switchgear between the new 132kV cable terminations and the existing substation equipment and new overhead electric line connections to the existing landing gantries;\n(vi) installation of troughs and below-ground services; and\n(vii) extension of the substation perimeter fence.\nThe works include construction and installation of a temporary site compound as shown on Works Plan section D sheet 14, containing welfare facilities, material lay down and parking areas.\nIn the District of North Somerset and the City of Bristol\nWork No. 4G — G route removal (Portishead to Avonmouth)\nThe removal of 5.4km of the G Route 132kV overhead electric line between Portishead 132kV Substation, shown on Works Plan section F, sheet 3, and Avonmouth 132kV Substation, shown on Works Plan section G, sheet 4, including the removal of 21 pylons, conductors, insulators and fittings.\nIn the City of Bristol\nWork No. 4H — G route removal (Avonmouth to Pylon G32)\nThe removal of 2.1km of the G Route 132kV overhead electric line between pylon G32, shown on Works Plan section G, sheet 5, and Avonmouth 132kV Substation, shown on Works Plan section G, sheet 4, including the removal of 8 pylons (G24 to G31 inclusive) conductors, insulators and fittings.\nIn the City of Bristol\nWork No. 4I — G route undergrounding\nThe installation of 2.3km of underground 132kV electric cables and fibre optic cable between Avonmouth 132kV Substation on Works Plan section G, sheet 4 and cable sealing end pylon G31R shown on Works Plan section G, sheet 5.\nThe works include construction and installation of a temporary site compound as shown on Works Plan section G sheets 4 and 5, containing welfare facilities, material lay down and parking areas.\nIn the City of Bristol\nWork No. 4J — G route\nThe construction and installation of a cable sealing end pylon G31R and 230m of new overhead electric line conductors and ADSS fibre conductor, insulators and fittings between existing pylon G32 and cable sealing end pylon G31R shown on Works Plan section G, sheet 5.\nIn the City of Bristol\nWork No. 4K — Avonmouth 132kV Substation\nThe installation of electric cables and fibre optic cable, cable sealing ends and air insulated switchgear within Avonmouth 132kV Substation to allow the replacement of existing overhead electric line connections into the substation with cable connections (Work No. 4I) and connections to existing equipment shown on Works Plan section G, sheet 4, to include—\n(a) construction of foundations to support all new structures, plant and equipment;\n(b) installation of support structures;\n(c) installation of cable sealing ends, disconnectors and busbar connections; and\n(d) installation of troughs and below-ground services.\nIn the City of Bristol and the District of South Gloucestershire\nWork No. 4L — Seabank DA route\nWorks as shown on Works Plan section G, sheet 7 and inset to sheet 7, consisting of—\n(a) the construction and installation of a temporary diversion of the 132kV overhead electric line between pylons DA3 and DA1, including the installation of temporary conductors and the construction of temporary wood pole structures or masts;\n(b) the removal of pylons DA1 and DA2 and associated conductors;\n(c) the construction and installation of a cable sealing end pylon DA2R;\n(d) the construction and installation of a 132kV overhead electric line, fibre optic cable, conductors, insulators and fittings between pylons DA3 and DA2R; and\n(e) the installation of between 150m and 300m of underground 132kV cables and fibre optic cable between cable sealing end pylon DA2R and Seabank 132kV Substation.\nThe works include a temporary site compound for the combined Works 4L, 4M and 4N as shown on Works Plans, section G, sheets 7 and 7A, containing welfare facilities, materials laydown and parking areas.\nIn the City of Bristol\nWork No. 4M — Seabank BW route\nWorks as shown on Works Plan section G, sheet 7 and inset to sheet 7, to include—\n(a) the removal of pylons BW1 and BW2 and associated conductors;\n(b) the construction and installation of a cable sealing end pylon BW2R;\n(c) the construction and installation of a 132kV overhead electric line, conductors, insulators, and fittings between pylons BW3 and BW2R; and\n(d) the installation of between 250m and 300m of underground 132kV cables and fibre optic cable between cable sealing end pylon BW2R and Seabank 132kV substation.\nThe works include a temporary site compound for the combined Works 4L, 4M and 4N as shown on Works Plans, section G, sheets 7 and 7A, containing welfare facilities, materials laydown and parking areas.\nIn the City of Bristol\nWork No. 4N — Seabank G route\nWorks as shown on Works Plan section G, sheet 7 and inset to sheet 7, to include—\n(a) the removal of pylons G43 and G42 and associated conductors;\n(b) the construction and installation of a cable sealing end pylon G42R;\n(c) the construction and installation of a 132kV overhead electric line, conductors, insulators, and fittings between pylons G41 and G42R; and\n(d) the installation of between 250m and 300m of underground 132kV cables and fibre optic cable between cable sealing end pylon G42R and Seabank 132kV Substation.\nThe works include a temporary site compound for the combined Works 4L, 4M and 4N as shown on Works Plans, section G, sheets 7 and 7A, containing welfare facilities, materials laydown and parking areas.\nIn the City of Bristol\nWork No. 4O — Seabank 132kV Substation\nWork on the existing Seabank 132kV Substation compound to extend the substation within the current WPD land ownership boundary and connections to existing equipment shown on Works Plan section G, sheet 7 and sheet 7 inset page, to include—\n(a) support structures;\n(b) low voltage and mechanical equipment;\n(c) electrical control panels;\n(d) installation of air insulated switchgear between the new 132kV cable termination and the existing substation equipment;\n(e) removal of existing overhead electric line connections;\n(f) installation of troughs and below ground services;\n(g) installation of a new control building;\n(h) an extension of the substation perimeter fence; and\n(i) modification of the existing substation perimeter fence to facilitate extension of the 400kV substation.\nIn the District of North Somerset\nWork No. 4P — BW Route undergrounding south of the River Avon\nWorks as shown on Works Plan section F, sheets 3 and 4, to consist of—\n(a) the construction and installation of a temporary diversion of the 132kV overhead electric line between pylons BW35 and BW37, including the installation of temporary conductors and the construction of a temporary mast;\n(b) the removal of existing pylon BW36 and associated conductors;\n(c) construction of a new cable sealing end pylon BW36R;\n(d) the construction and installation of a 132kV overhead electric line, conductors, insulators and fittings between pylons BW35 and BW36R;\n(e) the removal of pylons BW37, BW38, BW39 and approximately 600m of conductors insulators and fittings;\n(f) the installation of 650m of 132kV underground electric cables between sealing end pylons BW36R and Portishead 132kV Substation; and\n(g) the installation of fibre optic cable overhead between pylons BW35 and BW36R and underground from pylon BW36R to Portishead 132kV Substation.]\nThe works include a temporary site compound as shown on Works Plans, section F, sheet 4, containing welfare facilities, materials laydown and parking areas.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/49/schedule/1/crossheading/wpd-132kv-works",
    "retrieved_at": "2026-10-28T23:28:15.566000+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."
}