The HyNet Carbon Dioxide Pipeline Order 2024

Scheme design

5.—(1) The authorised development must be carried out in general accordance with the general arrangement plans. The authorised development will not be in general accordance with the general arrangement plans if any departure from the general arrangement plans would give rise to any materially new or materially different environmental effects from those assessed in the environmental statement.

(2) The authorised development must be designed in accordance with the parameters specified in Table 1 below and the works plans and implemented in accordance with approved plans and any other approvals given by the relevant planning authority pursuant to these requirements.

Table 1

Work Type	Parameter	Part(s) of the authorised development	Maximum value(s) and unit
AGI	Maximum fenced area of Ince AGI	Work No. 1	1,800m2
AGI	Maximum fenced area of Stanlow AGI	Work No. 9	2,656m2
AGI	Maximum fenced area of Northop Hall AGI	Work No.45	1,155m2
AGI	Maximum fenced area of Flint AGI	Work No.48	5,600m2
AGI	Maximum height of buildings and structures	Work Nos. 1, 9, 45 and 48	5m from ground level
AGI	Maximum width of new permanent accesses	Work Nos. 2, 8, 10, 46 and 49	6m
AGI	Maximum height of fencing and gating	Work No. 1, 9, 45, 48	3m from ground level
BVS	Maximum fenced area of BVS	Work No. 20, 26, 36, 51, 53, 55	1,050m2
BVS	Maximum height of buildings and structures	Work Nos. 20, 26, 36, 51, 53 and 55	5m from ground level
BVS	Maximum height of fencing and gating	Work Nos. 20, 26, 36, 51, 53 and 55	3m from ground level
BVS	Maximum width of new permanent accesses	Work No. 21, 27, 37, 52, 54 and 56	3m
Construction compound	Maximum height of fencing and gating	Work No. 6B, 15A, 19A, 30A, 30D, 31A, 41A and 44C	2.4m from ground level
Construction Compound	Maximum fenced area of Stanlow Compound	Work No. 6B	66,000m2
Construction Compound	Maximum fenced area of Picton Lane Compound	Work No. 15A	32,000m2
Construction Compound	Maximum fenced area of Chorlton Lane Compound	Work No. 19A	41,000m2
Construction Compound	Maximum fenced area of Wood Farm Compound	Work No. 30D	90,000m2
Construction Compound	Maximum fenced area of Sealand Road Compound	Work No. 30A	48,000m2
Construction Compound	Maximum fenced area of River Dee Compound	Work No. 31A	43,000m2
Construction Compound	Maximum fenced area of Shotton Lane Compound	Work No. 41A	37,000m2
Construction Compound	Maximum fenced area of Northop Hall Compound	Work No. 44C	35,000m2

(3) The buildings and structures identified in Table 1 must only be constructed within the area for the Work No. of which they form part as shown in the works plans.

(4) Each of Work Nos. 1, 9, 20, 26, 36, 45, 48, 51, 53 and 55 may not be commenced until, for that Work No. the following details have been submitted to and approved by the relevant planning authority:

(a) the siting, layout, scale and external appearance, including the colour, materials and surface finishes of all new permanent buildings and structures;

(b) details of permanent accesses to the public highway;

(c) details of any external lighting; and

(d) details of the noise ratings of any external machinery or potentially noisy installations (such as fans).

(5) No part of Work No. 43E may be commenced until details of the design and construction methodology of any works have been submitted to and approved by the relevant planning authority following consultation with Natural Resources Wales.

(6) The details submitted under sub-paragraph (5) must be accompanied by flood risk assessment showing the maximum water level reached in a 1 in 100 year event plus 40% climate change scenario. The soffit level of the embedded pipe bridge over the Alltami brook must be set no less than 300 millimetres above that maximum water level. The flood consequences assessment must also demonstrate that the impacts of the proposal on flood risk elsewhere can be managed to an acceptable level.

(7) Where the position of the abutments of Work No. 43E require the stopping up of part of the current route of Footpath 414/39A, the details submitted under sub-paragraph (5) must include a scheme setting out the alternative route and specification for the permanent diversion of the part of public right of way Footpath 414/39A to be stopped up, and setting out how that alternative is to be legally created.

(8) The works listed in sub-paragraph (4) and (5) must be implemented in accordance with the details approved under this paragraph.