Paragraph 5 Further offshore design requirementsI1

in the case of a steel monopile foundation have a diameter of more than 7 metres for use with meteorological stations and for use in all other instances a diameter of more than 8.5 metres; and

in the case of a concrete monopile foundation have a diameter of more than 8.5 metres for use with meteorological stations and for use in all other instances a diameter of more than 10.5 metres.

for use with large HVDC substations or combined substations a length at the level of the seabed of more than 100 metres, a width of 15 metres or a height of more than 15 metres; or for use in all other instances, a diameter at the level of the seabed of more than 45 metres;

a base height, where there is a flat base, of more than 7 metres above the level of the seabed;

a cone/column intersect which is higher than 32 metres above the top of the base;

a cone diameter of more than 45 metres at its base;

a column diameter, where there is a flat or conical base, of more than 10 metres.

for use with wind turbine generators a width spacing between each leg at the level of the seabed of more than 30 metres and more than 4 legs;

a pile diameter of more than 3 metres;

more than one pile per leg or more than one suction can per leg;

for use with offshore substations, combined substations or large HVDC substations more than 8 legs; and for use with combined substations more than 16 legs;

a suction can which is more than 14 metres in diameter.

a diameter at the level of the seabed of more than 25 metres;

a column diameter of more than 10.5 metres.

more than three legs;

a brace diameter of more than 5.5 metres;

a pile diameter of more than 3 metres;

more than one pile per leg;

a column diameter of more than 8 metres;

a suction can which is more than 14 metres in diameter.