Paragraph 10 Design parameters

(1)

The dimensions of any offshore substation platform forming part of the authorised development (including cranes and helideck) must not exceed—

(a)

61.68 metres in height when measured from MHWS;

(b)

60 metres in length; and

(c)

2,400 m² topside area.

(2)

Offshore substation platform foundation structures forming part of the authorised development must be one of either monopile foundation, multi-leg pin pile jacket foundation or multi-leg suction bucket jacket foundation.

(3)

No offshore substation platform—

(a)

jacket foundation employing pin piles forming part of the authorised development may—

(i)

have a pin pile diameter of greater than 3.5 metres; and

(ii)

employ more than 12 pin piles per jacket foundation; and

(b)

monopile foundation forming part of the authorised development may not have a diameter greater than 17 metres.

(4)

Any part of the authorised development located within the following areas shown on the Deep Water Route Cable Installation Area (Future Dredging Depths) Plan, must be designed, installed, operated and maintained at a level which would not preclude or impede dredging:

(a)

of the area shown shaded in orange and labelled Sunk A – Sunk DW Buffer, to a level of 22 metres below Chart Datum;

(b)

of the area shown shaded in pink and labelled Trinity – Trinity DW Buffer, to a level of 22 metres below Chart Datum;

(c)

of the area shown shaded in green and labelled Sunk B – Sunk DW Buffer, to a level of 19 metres below Chart Datum; and

(d)

of the area shown shaded in blue and labelled Sunk Pilotage Area – Sunk Pilot Diamond Buffer, to a level of 22 metres below Chart Datum.