Detailed design
3.—(1) The authorised development must be carried out in accordance with—
(a)the approved plans listed in Table 1 below inclusive of any limits of deviation; and
(b)any other plans, drawings, documents, details, schemes, statements or strategies which are approved by the relevant planning authority pursuant to any requirement (as the same may be amended by approval of the relevant planning authority pursuant to requirement 19(1))—
Table 1
| works plans | Submission document reference number 2.3 |
| access rights of way plan | Submission document reference number 2.4 |
(2) The authorised development must not exceed the maximum parameters specified in Table 2 and Table 3 below (as the same may be amended by approval of the relevant planning authority under requirement 19(1))—
Table 2
(1) Element of authorised development | (2) Maximum height (metres) above a site level of approximately 99 metres AOD | (3) Maximum width (metres) | (4) Maximum length (metres) | (5) Other parameters |
|---|---|---|---|---|
| Gas turbine building (part of numbered work 1A) | 25 metres | 45 metres | 60 metres | Maximum height 124m AOD |
| Each Heat Recovery Steam Generator Building (part of numbered work 1A) | 35 metres | 13 metres | 25 metres | Maximum height AOD 134 metres |
| Each exhaust gas emission flue stack (part of numbered work 1A) | 50 metres | – | – | Maximum height AOD 149 metres Maximum diameter 6.5 metres |
| Steam turbine building (part of numbered work 1A) | 21 metres | 26 metres | 45 metres | – |
| Air cooled condenser (part of numbered work 1A) | 26 metres | 48 metres | 48 metres | – |
| Switchgear room (part of numbered work 1A) | 5 metres | 10 metres | 15 metres | – |
| Raw/fire water storage tank (part of numbered work 1B) | 20 metres | – | – | Maximum diameter 15 metres |
| Each water storage tank (part of numbered work 1B) | 20 metres | – | – | Maximum diameter 5 metres |
| Water treatment system (part of numbered work 1B) | 10 metres | 25 metres | 20 metres | – |
| Workshop (part of numbered work 1B) | 10 metres | 20 metres | 30 metres | – |
| Natural gas pressure regulating installation (PRI) (part of numbered work 1B) | 5 metres | 25 metres | 35 metres | – |
| Administration/ control building (part of numbered work 1C) | 10 metres | 10 metres | 20 metres | – |
| Heat network interface building (part of numbered work 1C) | 15 metres | 20 metres | 30 metres | – |
| Each transformer compound (part of numbered work 1D) | 8 metres | 15 metres | 15 metres | – |
| 132kV switchyard (part of work numbered 1D) | 10 metres | 42 metres | 72 metres | – |
| Perimeter fencing (part of numbered work 1E) | 2.5 metres | – | 770 metres | – |
Table 3
(1) Element of authorised development | (2) Maximum height (metres) above the existing site level | (3) Maximum width (metres) | (4) Maximum length (metres) | (5) Other parameters |
|---|---|---|---|---|
| Above Ground Installation (numbered work 2A) | 2.5 metres | 13 metres | 13 metres | – |
| Pipeline inspection gauge facility (part of numbered work 2A) | 1.6 metres | 1 metre | 5.5 metres | – |
| Perimeter fencing (part of numbered work 2A) | 2.5 metres | – | 52 metres | – |
| Pipeline support plinth including crown of pipe (part of numbered work 2B) | 2 metres | 0.8 metres | 1.4 metres | – |
(3) To the extent that design objectives relating to any numbered work are set out in the design objectives statement, that numbered work must be designed substantially in accordance with the relevant design objective set out therein.
(4) Numbered works 1, 2 and 4 may not commence until, for that numbered work, written details have been submitted to and approved by the relevant planning authority (in consultation with the National Trust regarding the external appearance and the colour of all permanent buildings and structures) concerning—
(a)the siting, design, external appearance, dimensions and floor levels of all permanent buildings and structures; and
(b)the colour, materials and surface finishes of the pipeline and all permanent buildings and structures.
(5) The details to be submitted for approval under sub-paragraph (4) must include appropriately scaled plans and sectional drawings.