(1) A safety zone is established around each installation specified in column 1 of the table in Part 1 of the Schedule (being an installation stationed in waters to which subsection (7) of section 21 of the Petroleum Act 1987 applies) having a radius of 500 metres, as respects that installation, from the point which has the co-ordinates of latitude and longitude according to the World Geodetic System 1984 specified in columns 2 and 3 of the table in Part 1 of the Schedule .
(2) A safety zone is established around each installation specified in column 1 of the table in Part 2 of the Schedule (being an installation to be stationed in waters to which subsection (7) of section 21 of the Petroleum Act 1987 applies) having a radius of 500 metres, as respects that installation, from the point which has the co-ordinates of latitude and longitude according to the World Geodetic System 1984 specified in columns 2 and 3 of the table in Part 2 of the Schedule .
(3) Paragraph (2) comes into force, as respects each installation—
(a) on the general coming into force date, where the installation arrives at its station before that date; and
(b) when the installation arrives at its station, in any other case.