The Norfolk Vanguard Offshore Wind Farm Order 2022

Detailed design parameters onshore E+W+S

16.—(1) The total number of converter buildings for the onshore project substation must not exceed two.

(2) Construction works for the converter buildings referred to in paragraph (1) above must not commence until details of the layout, scale and external appearance of the same have been submitted to and approved by the relevant planning authority.

(3) The onshore project substation must be carried out in accordance with the approved details.

(4) Any details provided by the undertaker pursuant to paragraph (2) must:

(a) accord with the design and access statement;

(b) be supported by a statement illustrating how the details submitted accord with the principles of the OPS Masterplan and have been informed by a strategic approach to mitigate cumulative impacts arising from the onshore project substation and the Norfolk Boreas onshore project substation;

(c) have been subject to an early independent design review which must consider whether the requirements of sub-paragraphs (a) and (b) have been satisfied and make recommendations for design improvements if not; and

(d) be within the Order limits.

(5) Buildings (including the converter buildings) comprised in Work No. 8A must not exceed a height of 19 metres above existing ground level and external electrical equipment comprised in Work No. 8A must not exceed a height of 25 metres above existing ground level.

(6) The total footprint of each converter building must not exceed 110 metres by 70 metres.

(7) The fenced compound area (excluding its accesses) for the onshore project substation comprised in Work No. 8A must not exceed 250 metres by 300 metres.

(8) For the purposes of subparagraph (5) of this requirement ‘existing ground level’ means 71 metres above ordnance datum.

(9) The external electrical equipment comprised in Work No. 10A must not exceed a height of 15 metres above existing ground level.

(10) For the purposes of subparagraph (9) of this requirement ‘existing ground level’ means 69 metres above ordnance datum.

(11) The fenced compound area (excluding its accesses) for the extension to the Necton National Grid substation comprised in Work No. 10A must not exceed 200 metres by 150 metres.

(12) Construction works for the permanent replacement overhead pylons comprised in Work No. 11 must not commence until details of the same have been submitted to and approved by the relevant planning authority.

(13) The permanent replacement overhead line pylon works comprised in Work No. 11 must be carried out in accordance with the approved details.

(14) The permanent replacement overhead line pylons comprised in Work No. 11 must not exceed a height of 55 metres above existing ground level.

(15) The total footprint of each permanent replacement overhead line pylon comprised in Work No. 11 must not exceed 25 metres by 25 metres.

(16) For the purposes of subparagraph (14) of this requirement ‘existing ground level’ means between 66 and 69 metres above ordnance datum in respect of the eastern pylon identified on work plan 41 of 42 with the letter ‘E’ and between 68 and 70 metres above ordnance datum in respect of the eastern pylon identified on work plan 41 of 42 with the letter ‘W’.

(17) Trenchless installation techniques must be used for the purposes of passing under—

(a) the River Wensum (Work No. 7);

(b) King’s Beck (Work No. 5);

(c) Wendling Beck (Work No. 7);

(d) River Bure (Work No. 6);

(e) North Walsham and Dilham Canal (Work No. 5);

(f) the Witton Hall Plantation along Old Hall Road (Work No. 5);

(g) the Wendling Carr County Wildlife Site (Work No. 7);

(h) Little Wood County Wildlife Site (Work No. 7);

(i) land south of the Dillington Carr County Wildlife Site (Work No. 7);

(j) Kerdiston proposed County Wildlife Site (Work No. 6);

(k) Marriott’s Way County Wildlife Site/ Public Right of Way (Work No. 6);

(l) Paston Way and Knapton Cutting County Wildlife Site (Work No. 5);

(m) Norfolk Coast Path (Work No. 4C);

(n) Norwich to Cromer railway line at north Walsham (Work No. 5);

(o) Wymondham to North Elmham Railway line at Dereham (Work No. 7);

(p) A47 Road (Work No. 7);

(q) A140 Road (Work No. 6);

(r) A149 Road (Work No. 5);

(s) A1067 Road (Work No. 7); and

(t) F1 ... B1149 (Work No. 6).

(18) The number of underground cable ducts to be installed at the landfall [F2 must not exceed four].

Textual Amendments

F1 Words in Sch. 1 Pt. 3 omitted (7.9.2022) by virtue of The Norfolk Vanguard Offshore Wind Farm (Corrections) Order 2022 (S.I. 2022/944), art. 1(2), Sch.

F2 Words in Sch. 1 Pt. 3 para. 16(18) substituted (14.12.2023) by The Norfolk Vanguard Offshore Wind Farm (Amendment) Order 2023 (S.I. 2023/1390), arts. 1, 3

Commencement Information

I1 Sch. 1 para. 16 in force at 5.3.2022, see art. 1