Paragraph 3 Detailed design – general design requirementsI1

The authorised development must be designed in detail and carried out in accordance with the preliminary scheme design shown on the engineering drawings and sections unless otherwise agreed in writing by the Secretary of State following consultation with the relevant planning authority on matters related to its functions, provided that the Secretary of State is satisfied that any amendments to the engineering drawings and sections showing departures from the preliminary scheme design would not give rise to any materially new or materially different environmental effects in comparison with those reported in the environmental statement.

Where amended details are approved by the Secretary of State under sub-paragraph (1), those details are deemed to be substituted for the corresponding engineering drawings and sections and the undertaker must make those amended details available in electronic form for inspection by members of the public.

Except where carried out in accordance with the approved details submitted to comply with a condition issued by Gateshead Council on 4 March 2020 under reference DC/20/00059/NI no part of Work No. 10 or 12 may commence until the details of the layout, scale and external appearance (including materials which are proposed to be used and proposed finishes) of the above ground structures comprised in Work Nos. 10 and 12 have been submitted to and approved by the Secretary of State in consultation with the relevant planning authority. The approved details must not give rise to any materially new or materially different environmental effects in comparison to the approved details submitted to comply with a condition issued by Gateshead Council on 4 March 2020 under reference DC/20/00059/NI.

Work Nos. 10 and 12 shall be constructed in accordance with the approved details submitted to comply with a condition issued by Gateshead Council on 4 March 2020 under reference DC/20/00059/NI or otherwise in accordance with the details approved under sub-paragraph (3).

No part of Work No. 12 may be commenced by the undertaker until a scheme for the demolition of the existing gas transfer building (including the timescale for such demolition) has been submitted to and approved by the Secretary of State in consultation with the relevant planning authority. The demolition of the existing gas transfer building shall be carried out in accordance with the approved scheme.

Without prejudice to article 6 (planning permission), nothing in sub-paragraphs (3) to (5) shall restrict Northern Gas Networks Limited from undertaking works authorised by a separate grant of planning permission or authorised in terms of the Town and Country Planning (General Permitted Development) (England) Order 2015 M1.

No gantries shall be erected within the areas identified on the works plans as proposed new gantry areas until a signage strategy for the provision of signage in those areas (including the design and height of supporting gantries) has been submitted to and approved by the Secretary of State, in consultation with the relevant planning authority. The signage strategy shall consider or take account of—

The authorised development shall be constructed in accordance with the approved signage strategy.

Notwithstanding the terms of sub-paragraph (7), once the gantries have been erected in accordance with the approved signage strategy, the maintenance and, if necessary, replacement of the gantries shall be undertaken by the undertaker in accordance with the powers and duties of the 1980 Act. The carrying out of such maintenance and replacement in accordance with the 1980 Act shall not constitute a breach of this Order provided that such maintenance or replacement does not give rise to any materially new or materially different environmental effects in comparison with those reported in the environmental statement.

No part of Work No. 5a other than ground treatment, piling, abutments and supporting piers is to be constructed until a scheme for the following elements of the design of the bridge deck forming part of that work have been submitted to and approved in writing by the Secretary of State, following consultation with the relevant planning authority, in relation to—

Work No. 5a shall be constructed in accordance with the approved details.

In this requirement—

• “cantilever gantry” means a gantry which spans a single carriageway with the support located in the verge of the carriageway only;

• “single span gantry” means a portal gantry which spans a single carriageway of a dual carriageway with one support located in the central reserve and the other support in the verge of the carriageway which it crosses; and

• “super span gantry” means a portal gantry which spans both carriageways of a dual carriageway with the supports located in the verges of each respective carriageway.