# The Walney Extension Offshore Wind Farm Order 2014, Paragraph 2: Design Parameters for WTG foundations

Extent: E+W

(1) The total number of monopole foundations forming part of the authorised development shall not exceed 207 and no monopile foundation for use with any WTG or offshore substation forming part of the authorised development shall have a diameter greater than 9 metres.
(2) No jacket structure for use with any WTG forming part of the authorised development shall have—
(a) a width spacing between each leg at the level of the seabed of more than 40 metres and at the level of LAT which is greater than 20 metres;
(b) more than four legs;
(c) a leg diameter of more than 3 metres;
(d) more than one pile per leg;
(e) a pile diameter of more than 3 metres;
(f) more than one suction caisson per leg; and
(g) a suction caisson diameter of greater than 10 metres.

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Source: https://www.legislation.gov.uk/uksi/2014/2950/schedule/9/part/2/paragraph/2 (the official version)
Page: https://openlegislation.uk/walney-extension-offshore-wind-farm-order-2014/schedule-9/part-2/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.