# The East Anglia THREE Offshore Wind Farm Order 2017, Paragraph 5


(1) In relation to a wind turbine generator, each gravity base foundation must not have—
(a) a diameter at the level of the seabed which is more than 60 metres;
(b) a base height, where there is a flat base and a cylindrical shaft, which is more than 12 metres above the level of the seabed;
(c) a base height, where there is a conical base, which is more than 2 metres above the level of the seabed;
(d) a column diameter, where there is a flat or conical base, which is more than 9 metres at LAT.
(2) In relation to a wind turbine generator, each suction caisson foundation must not have—
(a) a diameter at the level of the seabed which is more than 30 metres;
(b) a base height where there is a flat base, which is more than 5 metres above the level of the seabed;
(c) a column diameter which is more than 9 metres at LAT.
(3) In relation to a wind turbine generator, each jacket foundation must not have—
(a) a width spacing between its legs at the level of the seabed which is more than 43.5 metres;
(b) a pile diameter which is more than 4 metres in the case of pin piles or a suction caisson diameter which is more than 10 metres;
(c) more than one pile per leg or more than one suction caisson per leg;
(d) more than four legs.
(4) In relation to a wind turbine generator, each monopile foundation forming part of the authorised development must not have a diameter which is more than 12 metres.

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Source: https://www.legislation.gov.uk/uksi/2017/826/schedule/1/paragraph/5 (the official version)
Page: https://openlegislation.uk/east-anglia-three-offshore-wind-farm-order-2017/schedule-1/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.