Paragraph 11 Design parameters
Offshore accommodation platform foundation structures forming part of the authorised scheme must be one of either monopile, gravity base structure, pin pile jacket or suction bucket jacket foundations.
Offshore transformer substation foundation structures forming part of the authorised scheme must be monopile, gravity base structure, pin pile jacket or suction bucket jacket foundations.
In respect of an offshore electrical installation and offshore accommodation platform—
no monopile foundation may have a diameter greater than 14 metres;
no gravity base structure foundation may exceed, at the level of the seabed—
a length of 72 metres; or
a width of 36 metres;
no pin pile jacket foundation forming part of the authorised scheme may—
have a pin pile diameter of greater than five metres; or
employ more than 24 pin piles per jacket foundation;
no suction bucket jacket foundation forming part of the authorised scheme may—
have a suction bucket diameter of greater than 20 metres; or
employ more than eight suction buckets per jacket foundation;
The total seabed footprint area for offshore accommodation platform foundations must not exceed—
2,600 square metres excluding scour protection; and
19,600 square metres including scour protection.
The total seabed footprint area for offshore electrical installation foundations must not exceed—
15,600 square metres excluding scour protection; and
117,600 square metres including scour protection.
Offshore reactive compensation platform foundation structures forming part of the authorised scheme must be monopile, pin pile jacket or suction bucket jacket foundations.