SCHEDULE 3Exempt facilities and waste operations to which section 33(1)(a) of the 1990 Act does not apply: descriptions and conditions

PART 4Exempt flood risk activities: descriptions and conditions

Electrical cable services2

1

The erection of an electrical cable service crossing over a main river.

2

For the purposes of this paragraph, the specific conditions are—

a

the service crossing is within 10° of perpendicular to the direction of flow of the main river,

b

the vertical and horizontal clearances of the service crossing comply with the requirements set out in the table below,

c

permanent hazard markers are erected on both banks of the main river,

d

the bed and banks of the main river are not disturbed by the works, and

e

all excavated material not re-used on the site of the works is removed from the floodplain.

Voltage (kV)

Vertical clearance1(metres)

Horizontal clearance2(metres)

275

15

15

400

15

15

132

12

15

66

12

15

33

9

10

11

9

10

6.6

9

10

4.15

6

9

1 Vertical clearance above bank or flood bank crest level.

2 Horizontal clearance of any tower or support landward from the top of the bank of the main river.